THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE

M. Ackermann, M. Ajello, W. B. Atwood, L. Baldini, J. Ballet, G. Barbiellini, D. Bastieri, J. Becerra Gonzalez, R. Bellazzini, E. Bissaldi, R. D. Blandford, E. D. Bloom, R. Bonino, E. Bottacini, T. J. Brandt, J. Bregeon, R. J. Britto, P. Bruel, R. Buehler, S. Buson & 128 others G. A. Caliandro, R. A. Cameron, M. Caragiulo, P. A. Caraveo, B. Carpenter, J. M. Casandjian, E. Cavazzuti, C. Cecchi, E. Charles, A. Chekhtman, C. C. Cheung, J. Chiang, G. Chiaro, S. Ciprini, R. Claus, J. Cohen-Tanugi, L. R. Cominsky, J. Conrad, S. Cutini, R. D'Abrusco, F. D'Ammando, A. De Angelis, R. Desiante, S. W. Digel, L. Di Venere, P. S. Drell, C. Favuzzi, S. J. Fegan, E. C. Ferrara, J. Finke, W. B. Focke, A. Franckowiak, L. Fuhrmann, Y. Fukazawa, A. K. Furniss, P. Fusco, F. Gargano, D. Gasparrini, N. Giglietto, P. Giommi, F. Giordano, M. Giroletti, T. Glanzman, G. Godfrey, I. A. Grenier, J. E. Grove, S. Guiriec, J. W. Hewitt, A. B. Hill, D. Horan, R. Itoh, G. Jóhannesson, A. S. Johnson, W. N. Johnson, Jun Kataoka, T. Kawano, F. Krauss, M. Kuss, G. La Mura, S. Larsson, L. Latronico, C. Leto, J. Li, L. Li, F. Longo, F. Loparco, B. Lott, M. N. Lovellette, P. Lubrano, G. M. Madejski, M. Mayer, M. N. Mazziotta, J. E. McEnery, P. F. Michelson, T. Mizuno, A. A. Moiseev, M. E. Monzani, A. Morselli, I. V. Moskalenko, S. Murgia, E. Nuss, M. Ohno, T. Ohsugi, R. Ojha, N. Omodei, M. Orienti, E. Orlando, A. Paggi, D. Paneque, J. S. Perkins, M. Pesce-Rollins, F. Piron, G. Pivato, T. A. Porter, S. Rainò, R. Rando, M. Razzano, S. Razzaque, A. Reimer, O. Reimer, R. W. Romani, D. Salvetti, M. Schaal, F. K. Schinzel, A. Schulz, C. Sgrò, E. J. Siskind, K. V. Sokolovsky, F. Spada, G. Spandre, P. Spinelli, L. Stawarz, D. J. Suson, H. Takahashi, T. Takahashi, Y. Tanaka, J. G. Thayer, J. B. Thayer, L. Tibaldo, D. F. Torres, E. Torresi, G. Tosti, E. Troja, Y. Uchiyama, G. Vianello, B. L. Winer, K. S. Wood, S. Zimmer

    Research output: Contribution to journalArticle

    276 Citations (Scopus)

    Abstract

    The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between 100 MeV and 300 GeV with a Test Statistic greater than 25, between 2008 August 4 and 2012 July 31. The 3LAC includes 1591 AGNs located at high Galactic latitudes (), a 71% increase over the second catalog based on 2 years of data. There are 28 duplicate associations, thus 1563 of the 2192 high-latitude gamma-ray sources of the 3FGL catalog are AGNs. Most of them (98%) are blazars. About half of the newly detected blazars are of unknown type, i.e., they lack spectroscopic information of sufficient quality to determine the strength of their emission lines. Based on their gamma-ray spectral properties, these sources are evenly split between flat-spectrum radio quasars (FSRQs) and BL Lacs. The most abundant detected BL Lacs are of the high-synchrotron-peaked (HSP) type. About 50% of the BL Lacs have no measured redshifts. A few new rare outliers (HSP-FSRQs and high-luminosity HSP BL Lacs) are reported. The general properties of the 3LAC sample confirm previous findings from earlier catalogs. The fraction of 3LAC blazars in the total population of blazars listed in BZCAT remains non-negligible even at the faint ends of the BZCAT-blazar radio, optical, and X-ray flux distributions, which hints that even the faintest known blazars could eventually shine in gamma-rays at LAT-detection levels. The energy-flux distributions of the different blazar populations are in good agreement with extrapolation from earlier catalogs.

    Original languageEnglish
    Article number14
    JournalAstrophysical Journal
    Volume810
    Issue number1
    DOIs
    Publication statusPublished - 2015 Sep 1

    Fingerprint

    blazars
    active galactic nuclei
    catalogs
    telescopes
    radio
    general property
    synchrotrons
    radio spectra
    outlier
    energy flux
    quasars
    gamma rays
    polar regions
    extrapolation
    luminosity
    statistics
    distribution
    x rays

    Keywords

    • BL Lacertae objects: general
    • galaxies: active
    • galaxies: jets
    • gamma rays: galaxies

    ASJC Scopus subject areas

    • Space and Planetary Science
    • Astronomy and Astrophysics

    Cite this

    Ackermann, M., Ajello, M., Atwood, W. B., Baldini, L., Ballet, J., Barbiellini, G., ... Zimmer, S. (2015). THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE. Astrophysical Journal, 810(1), [14]. https://doi.org/10.1088/0004-637X/810/1/14

    THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE. / Ackermann, M.; Ajello, M.; Atwood, W. B.; Baldini, L.; Ballet, J.; Barbiellini, G.; Bastieri, D.; Gonzalez, J. Becerra; Bellazzini, R.; Bissaldi, E.; Blandford, R. D.; Bloom, E. D.; Bonino, R.; Bottacini, E.; Brandt, T. J.; Bregeon, J.; Britto, R. J.; Bruel, P.; Buehler, R.; Buson, S.; Caliandro, G. A.; Cameron, R. A.; Caragiulo, M.; Caraveo, P. A.; Carpenter, B.; Casandjian, J. M.; Cavazzuti, E.; Cecchi, C.; Charles, E.; Chekhtman, A.; Cheung, C. C.; Chiang, J.; Chiaro, G.; Ciprini, S.; Claus, R.; Cohen-Tanugi, J.; Cominsky, L. R.; Conrad, J.; Cutini, S.; D'Abrusco, R.; D'Ammando, F.; Angelis, A. De; Desiante, R.; Digel, S. W.; Di Venere, L.; Drell, P. S.; Favuzzi, C.; Fegan, S. J.; Ferrara, E. C.; Finke, J.; Focke, W. B.; Franckowiak, A.; Fuhrmann, L.; Fukazawa, Y.; Furniss, A. K.; Fusco, P.; Gargano, F.; Gasparrini, D.; Giglietto, N.; Giommi, P.; Giordano, F.; Giroletti, M.; Glanzman, T.; Godfrey, G.; Grenier, I. A.; Grove, J. E.; Guiriec, S.; Hewitt, J. W.; Hill, A. B.; Horan, D.; Itoh, R.; Jóhannesson, G.; Johnson, A. S.; Johnson, W. N.; Kataoka, Jun; Kawano, T.; Krauss, F.; Kuss, M.; La Mura, G.; Larsson, S.; Latronico, L.; Leto, C.; Li, J.; Li, L.; Longo, F.; Loparco, F.; Lott, B.; Lovellette, M. N.; Lubrano, P.; Madejski, G. M.; Mayer, M.; Mazziotta, M. N.; McEnery, J. E.; Michelson, P. F.; Mizuno, T.; Moiseev, A. A.; Monzani, M. E.; Morselli, A.; Moskalenko, I. V.; Murgia, S.; Nuss, E.; Ohno, M.; Ohsugi, T.; Ojha, R.; Omodei, N.; Orienti, M.; Orlando, E.; Paggi, A.; Paneque, D.; Perkins, J. S.; Pesce-Rollins, M.; Piron, F.; Pivato, G.; Porter, T. A.; Rainò, S.; Rando, R.; Razzano, M.; Razzaque, S.; Reimer, A.; Reimer, O.; Romani, R. W.; Salvetti, D.; Schaal, M.; Schinzel, F. K.; Schulz, A.; Sgrò, C.; Siskind, E. J.; Sokolovsky, K. V.; Spada, F.; Spandre, G.; Spinelli, P.; Stawarz, L.; Suson, D. J.; Takahashi, H.; Takahashi, T.; Tanaka, Y.; Thayer, J. G.; Thayer, J. B.; Tibaldo, L.; Torres, D. F.; Torresi, E.; Tosti, G.; Troja, E.; Uchiyama, Y.; Vianello, G.; Winer, B. L.; Wood, K. S.; Zimmer, S.

    In: Astrophysical Journal, Vol. 810, No. 1, 14, 01.09.2015.

    Research output: Contribution to journalArticle

    Ackermann, M, Ajello, M, Atwood, WB, Baldini, L, Ballet, J, Barbiellini, G, Bastieri, D, Gonzalez, JB, Bellazzini, R, Bissaldi, E, Blandford, RD, Bloom, ED, Bonino, R, Bottacini, E, Brandt, TJ, Bregeon, J, Britto, RJ, Bruel, P, Buehler, R, Buson, S, Caliandro, GA, Cameron, RA, Caragiulo, M, Caraveo, PA, Carpenter, B, Casandjian, JM, Cavazzuti, E, Cecchi, C, Charles, E, Chekhtman, A, Cheung, CC, Chiang, J, Chiaro, G, Ciprini, S, Claus, R, Cohen-Tanugi, J, Cominsky, LR, Conrad, J, Cutini, S, D'Abrusco, R, D'Ammando, F, Angelis, AD, Desiante, R, Digel, SW, Di Venere, L, Drell, PS, Favuzzi, C, Fegan, SJ, Ferrara, EC, Finke, J, Focke, WB, Franckowiak, A, Fuhrmann, L, Fukazawa, Y, Furniss, AK, Fusco, P, Gargano, F, Gasparrini, D, Giglietto, N, Giommi, P, Giordano, F, Giroletti, M, Glanzman, T, Godfrey, G, Grenier, IA, Grove, JE, Guiriec, S, Hewitt, JW, Hill, AB, Horan, D, Itoh, R, Jóhannesson, G, Johnson, AS, Johnson, WN, Kataoka, J, Kawano, T, Krauss, F, Kuss, M, La Mura, G, Larsson, S, Latronico, L, Leto, C, Li, J, Li, L, Longo, F, Loparco, F, Lott, B, Lovellette, MN, Lubrano, P, Madejski, GM, Mayer, M, Mazziotta, MN, McEnery, JE, Michelson, PF, Mizuno, T, Moiseev, AA, Monzani, ME, Morselli, A, Moskalenko, IV, Murgia, S, Nuss, E, Ohno, M, Ohsugi, T, Ojha, R, Omodei, N, Orienti, M, Orlando, E, Paggi, A, Paneque, D, Perkins, JS, Pesce-Rollins, M, Piron, F, Pivato, G, Porter, TA, Rainò, S, Rando, R, Razzano, M, Razzaque, S, Reimer, A, Reimer, O, Romani, RW, Salvetti, D, Schaal, M, Schinzel, FK, Schulz, A, Sgrò, C, Siskind, EJ, Sokolovsky, KV, Spada, F, Spandre, G, Spinelli, P, Stawarz, L, Suson, DJ, Takahashi, H, Takahashi, T, Tanaka, Y, Thayer, JG, Thayer, JB, Tibaldo, L, Torres, DF, Torresi, E, Tosti, G, Troja, E, Uchiyama, Y, Vianello, G, Winer, BL, Wood, KS & Zimmer, S 2015, 'THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE', Astrophysical Journal, vol. 810, no. 1, 14. https://doi.org/10.1088/0004-637X/810/1/14
    Ackermann M, Ajello M, Atwood WB, Baldini L, Ballet J, Barbiellini G et al. THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE. Astrophysical Journal. 2015 Sep 1;810(1). 14. https://doi.org/10.1088/0004-637X/810/1/14
    Ackermann, M. ; Ajello, M. ; Atwood, W. B. ; Baldini, L. ; Ballet, J. ; Barbiellini, G. ; Bastieri, D. ; Gonzalez, J. Becerra ; Bellazzini, R. ; Bissaldi, E. ; Blandford, R. D. ; Bloom, E. D. ; Bonino, R. ; Bottacini, E. ; Brandt, T. J. ; Bregeon, J. ; Britto, R. J. ; Bruel, P. ; Buehler, R. ; Buson, S. ; Caliandro, G. A. ; Cameron, R. A. ; Caragiulo, M. ; Caraveo, P. A. ; Carpenter, B. ; Casandjian, J. M. ; Cavazzuti, E. ; Cecchi, C. ; Charles, E. ; Chekhtman, A. ; Cheung, C. C. ; Chiang, J. ; Chiaro, G. ; Ciprini, S. ; Claus, R. ; Cohen-Tanugi, J. ; Cominsky, L. R. ; Conrad, J. ; Cutini, S. ; D'Abrusco, R. ; D'Ammando, F. ; Angelis, A. De ; Desiante, R. ; Digel, S. W. ; Di Venere, L. ; Drell, P. S. ; Favuzzi, C. ; Fegan, S. J. ; Ferrara, E. C. ; Finke, J. ; Focke, W. B. ; Franckowiak, A. ; Fuhrmann, L. ; Fukazawa, Y. ; Furniss, A. K. ; Fusco, P. ; Gargano, F. ; Gasparrini, D. ; Giglietto, N. ; Giommi, P. ; Giordano, F. ; Giroletti, M. ; Glanzman, T. ; Godfrey, G. ; Grenier, I. A. ; Grove, J. E. ; Guiriec, S. ; Hewitt, J. W. ; Hill, A. B. ; Horan, D. ; Itoh, R. ; Jóhannesson, G. ; Johnson, A. S. ; Johnson, W. N. ; Kataoka, Jun ; Kawano, T. ; Krauss, F. ; Kuss, M. ; La Mura, G. ; Larsson, S. ; Latronico, L. ; Leto, C. ; Li, J. ; Li, L. ; Longo, F. ; Loparco, F. ; Lott, B. ; Lovellette, M. N. ; Lubrano, P. ; Madejski, G. M. ; Mayer, M. ; Mazziotta, M. N. ; McEnery, J. E. ; Michelson, P. F. ; Mizuno, T. ; Moiseev, A. A. ; Monzani, M. E. ; Morselli, A. ; Moskalenko, I. V. ; Murgia, S. ; Nuss, E. ; Ohno, M. ; Ohsugi, T. ; Ojha, R. ; Omodei, N. ; Orienti, M. ; Orlando, E. ; Paggi, A. ; Paneque, D. ; Perkins, J. S. ; Pesce-Rollins, M. ; Piron, F. ; Pivato, G. ; Porter, T. A. ; Rainò, S. ; Rando, R. ; Razzano, M. ; Razzaque, S. ; Reimer, A. ; Reimer, O. ; Romani, R. W. ; Salvetti, D. ; Schaal, M. ; Schinzel, F. K. ; Schulz, A. ; Sgrò, C. ; Siskind, E. J. ; Sokolovsky, K. V. ; Spada, F. ; Spandre, G. ; Spinelli, P. ; Stawarz, L. ; Suson, D. J. ; Takahashi, H. ; Takahashi, T. ; Tanaka, Y. ; Thayer, J. G. ; Thayer, J. B. ; Tibaldo, L. ; Torres, D. F. ; Torresi, E. ; Tosti, G. ; Troja, E. ; Uchiyama, Y. ; Vianello, G. ; Winer, B. L. ; Wood, K. S. ; Zimmer, S. / THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE. In: Astrophysical Journal. 2015 ; Vol. 810, No. 1.
    @article{53021fd33ec44eb790c98b3b65a966ba,
    title = "THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE",
    abstract = "The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between 100 MeV and 300 GeV with a Test Statistic greater than 25, between 2008 August 4 and 2012 July 31. The 3LAC includes 1591 AGNs located at high Galactic latitudes (), a 71{\%} increase over the second catalog based on 2 years of data. There are 28 duplicate associations, thus 1563 of the 2192 high-latitude gamma-ray sources of the 3FGL catalog are AGNs. Most of them (98{\%}) are blazars. About half of the newly detected blazars are of unknown type, i.e., they lack spectroscopic information of sufficient quality to determine the strength of their emission lines. Based on their gamma-ray spectral properties, these sources are evenly split between flat-spectrum radio quasars (FSRQs) and BL Lacs. The most abundant detected BL Lacs are of the high-synchrotron-peaked (HSP) type. About 50{\%} of the BL Lacs have no measured redshifts. A few new rare outliers (HSP-FSRQs and high-luminosity HSP BL Lacs) are reported. The general properties of the 3LAC sample confirm previous findings from earlier catalogs. The fraction of 3LAC blazars in the total population of blazars listed in BZCAT remains non-negligible even at the faint ends of the BZCAT-blazar radio, optical, and X-ray flux distributions, which hints that even the faintest known blazars could eventually shine in gamma-rays at LAT-detection levels. The energy-flux distributions of the different blazar populations are in good agreement with extrapolation from earlier catalogs.",
    keywords = "BL Lacertae objects: general, galaxies: active, galaxies: jets, gamma rays: galaxies",
    author = "M. Ackermann and M. Ajello and Atwood, {W. B.} and L. Baldini and J. Ballet and G. Barbiellini and D. Bastieri and Gonzalez, {J. Becerra} and R. Bellazzini and E. Bissaldi and Blandford, {R. D.} and Bloom, {E. D.} and R. Bonino and E. Bottacini and Brandt, {T. J.} and J. Bregeon and Britto, {R. J.} and P. Bruel and R. Buehler and S. Buson and Caliandro, {G. A.} and Cameron, {R. A.} and M. Caragiulo and Caraveo, {P. A.} and B. Carpenter and Casandjian, {J. M.} and E. Cavazzuti and C. Cecchi and E. Charles and A. Chekhtman and Cheung, {C. C.} and J. Chiang and G. Chiaro and S. Ciprini and R. Claus and J. Cohen-Tanugi and Cominsky, {L. R.} and J. Conrad and S. Cutini and R. D'Abrusco and F. D'Ammando and Angelis, {A. De} and R. Desiante and Digel, {S. W.} and {Di Venere}, L. and Drell, {P. S.} and C. Favuzzi and Fegan, {S. J.} and Ferrara, {E. C.} and J. Finke and Focke, {W. B.} and A. Franckowiak and L. Fuhrmann and Y. Fukazawa and Furniss, {A. K.} and P. Fusco and F. Gargano and D. Gasparrini and N. Giglietto and P. Giommi and F. Giordano and M. Giroletti and T. Glanzman and G. Godfrey and Grenier, {I. A.} and Grove, {J. E.} and S. Guiriec and Hewitt, {J. W.} and Hill, {A. B.} and D. Horan and R. Itoh and G. J{\'o}hannesson and Johnson, {A. S.} and Johnson, {W. N.} and Jun Kataoka and T. Kawano and F. Krauss and M. Kuss and {La Mura}, G. and S. Larsson and L. Latronico and C. Leto and J. Li and L. Li and F. Longo and F. Loparco and B. Lott and Lovellette, {M. N.} and P. Lubrano and Madejski, {G. M.} and M. Mayer and Mazziotta, {M. N.} and McEnery, {J. E.} and Michelson, {P. F.} and T. Mizuno and Moiseev, {A. A.} and Monzani, {M. E.} and A. Morselli and Moskalenko, {I. V.} and S. Murgia and E. Nuss and M. Ohno and T. Ohsugi and R. Ojha and N. Omodei and M. Orienti and E. Orlando and A. Paggi and D. Paneque and Perkins, {J. S.} and M. Pesce-Rollins and F. Piron and G. Pivato and Porter, {T. A.} and S. Rain{\`o} and R. Rando and M. Razzano and S. Razzaque and A. Reimer and O. Reimer and Romani, {R. W.} and D. Salvetti and M. Schaal and Schinzel, {F. K.} and A. Schulz and C. Sgr{\`o} and Siskind, {E. J.} and Sokolovsky, {K. V.} and F. Spada and G. Spandre and P. Spinelli and L. Stawarz and Suson, {D. J.} and H. Takahashi and T. Takahashi and Y. Tanaka and Thayer, {J. G.} and Thayer, {J. B.} and L. Tibaldo and Torres, {D. F.} and E. Torresi and G. Tosti and E. Troja and Y. Uchiyama and G. Vianello and Winer, {B. L.} and Wood, {K. S.} and S. Zimmer",
    year = "2015",
    month = "9",
    day = "1",
    doi = "10.1088/0004-637X/810/1/14",
    language = "English",
    volume = "810",
    journal = "Astrophysical Journal",
    issn = "0004-637X",
    publisher = "IOP Publishing Ltd.",
    number = "1",

    }

    TY - JOUR

    T1 - THE THIRD CATALOG OF ACTIVE GALACTIC NUCLEI DETECTED BY THE FERMI LARGE AREA TELESCOPE

    AU - Ackermann, M.

    AU - Ajello, M.

    AU - Atwood, W. B.

    AU - Baldini, L.

    AU - Ballet, J.

    AU - Barbiellini, G.

    AU - Bastieri, D.

    AU - Gonzalez, J. Becerra

    AU - Bellazzini, R.

    AU - Bissaldi, E.

    AU - Blandford, R. D.

    AU - Bloom, E. D.

    AU - Bonino, R.

    AU - Bottacini, E.

    AU - Brandt, T. J.

    AU - Bregeon, J.

    AU - Britto, R. J.

    AU - Bruel, P.

    AU - Buehler, R.

    AU - Buson, S.

    AU - Caliandro, G. A.

    AU - Cameron, R. A.

    AU - Caragiulo, M.

    AU - Caraveo, P. A.

    AU - Carpenter, B.

    AU - Casandjian, J. M.

    AU - Cavazzuti, E.

    AU - Cecchi, C.

    AU - Charles, E.

    AU - Chekhtman, A.

    AU - Cheung, C. C.

    AU - Chiang, J.

    AU - Chiaro, G.

    AU - Ciprini, S.

    AU - Claus, R.

    AU - Cohen-Tanugi, J.

    AU - Cominsky, L. R.

    AU - Conrad, J.

    AU - Cutini, S.

    AU - D'Abrusco, R.

    AU - D'Ammando, F.

    AU - Angelis, A. De

    AU - Desiante, R.

    AU - Digel, S. W.

    AU - Di Venere, L.

    AU - Drell, P. S.

    AU - Favuzzi, C.

    AU - Fegan, S. J.

    AU - Ferrara, E. C.

    AU - Finke, J.

    AU - Focke, W. B.

    AU - Franckowiak, A.

    AU - Fuhrmann, L.

    AU - Fukazawa, Y.

    AU - Furniss, A. K.

    AU - Fusco, P.

    AU - Gargano, F.

    AU - Gasparrini, D.

    AU - Giglietto, N.

    AU - Giommi, P.

    AU - Giordano, F.

    AU - Giroletti, M.

    AU - Glanzman, T.

    AU - Godfrey, G.

    AU - Grenier, I. A.

    AU - Grove, J. E.

    AU - Guiriec, S.

    AU - Hewitt, J. W.

    AU - Hill, A. B.

    AU - Horan, D.

    AU - Itoh, R.

    AU - Jóhannesson, G.

    AU - Johnson, A. S.

    AU - Johnson, W. N.

    AU - Kataoka, Jun

    AU - Kawano, T.

    AU - Krauss, F.

    AU - Kuss, M.

    AU - La Mura, G.

    AU - Larsson, S.

    AU - Latronico, L.

    AU - Leto, C.

    AU - Li, J.

    AU - Li, L.

    AU - Longo, F.

    AU - Loparco, F.

    AU - Lott, B.

    AU - Lovellette, M. N.

    AU - Lubrano, P.

    AU - Madejski, G. M.

    AU - Mayer, M.

    AU - Mazziotta, M. N.

    AU - McEnery, J. E.

    AU - Michelson, P. F.

    AU - Mizuno, T.

    AU - Moiseev, A. A.

    AU - Monzani, M. E.

    AU - Morselli, A.

    AU - Moskalenko, I. V.

    AU - Murgia, S.

    AU - Nuss, E.

    AU - Ohno, M.

    AU - Ohsugi, T.

    AU - Ojha, R.

    AU - Omodei, N.

    AU - Orienti, M.

    AU - Orlando, E.

    AU - Paggi, A.

    AU - Paneque, D.

    AU - Perkins, J. S.

    AU - Pesce-Rollins, M.

    AU - Piron, F.

    AU - Pivato, G.

    AU - Porter, T. A.

    AU - Rainò, S.

    AU - Rando, R.

    AU - Razzano, M.

    AU - Razzaque, S.

    AU - Reimer, A.

    AU - Reimer, O.

    AU - Romani, R. W.

    AU - Salvetti, D.

    AU - Schaal, M.

    AU - Schinzel, F. K.

    AU - Schulz, A.

    AU - Sgrò, C.

    AU - Siskind, E. J.

    AU - Sokolovsky, K. V.

    AU - Spada, F.

    AU - Spandre, G.

    AU - Spinelli, P.

    AU - Stawarz, L.

    AU - Suson, D. J.

    AU - Takahashi, H.

    AU - Takahashi, T.

    AU - Tanaka, Y.

    AU - Thayer, J. G.

    AU - Thayer, J. B.

    AU - Tibaldo, L.

    AU - Torres, D. F.

    AU - Torresi, E.

    AU - Tosti, G.

    AU - Troja, E.

    AU - Uchiyama, Y.

    AU - Vianello, G.

    AU - Winer, B. L.

    AU - Wood, K. S.

    AU - Zimmer, S.

    PY - 2015/9/1

    Y1 - 2015/9/1

    N2 - The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between 100 MeV and 300 GeV with a Test Statistic greater than 25, between 2008 August 4 and 2012 July 31. The 3LAC includes 1591 AGNs located at high Galactic latitudes (), a 71% increase over the second catalog based on 2 years of data. There are 28 duplicate associations, thus 1563 of the 2192 high-latitude gamma-ray sources of the 3FGL catalog are AGNs. Most of them (98%) are blazars. About half of the newly detected blazars are of unknown type, i.e., they lack spectroscopic information of sufficient quality to determine the strength of their emission lines. Based on their gamma-ray spectral properties, these sources are evenly split between flat-spectrum radio quasars (FSRQs) and BL Lacs. The most abundant detected BL Lacs are of the high-synchrotron-peaked (HSP) type. About 50% of the BL Lacs have no measured redshifts. A few new rare outliers (HSP-FSRQs and high-luminosity HSP BL Lacs) are reported. The general properties of the 3LAC sample confirm previous findings from earlier catalogs. The fraction of 3LAC blazars in the total population of blazars listed in BZCAT remains non-negligible even at the faint ends of the BZCAT-blazar radio, optical, and X-ray flux distributions, which hints that even the faintest known blazars could eventually shine in gamma-rays at LAT-detection levels. The energy-flux distributions of the different blazar populations are in good agreement with extrapolation from earlier catalogs.

    AB - The third catalog of active galactic nuclei (AGNs) detected by the Fermi-LAT (3LAC) is presented. It is based on the third Fermi-LAT catalog (3FGL) of sources detected between 100 MeV and 300 GeV with a Test Statistic greater than 25, between 2008 August 4 and 2012 July 31. The 3LAC includes 1591 AGNs located at high Galactic latitudes (), a 71% increase over the second catalog based on 2 years of data. There are 28 duplicate associations, thus 1563 of the 2192 high-latitude gamma-ray sources of the 3FGL catalog are AGNs. Most of them (98%) are blazars. About half of the newly detected blazars are of unknown type, i.e., they lack spectroscopic information of sufficient quality to determine the strength of their emission lines. Based on their gamma-ray spectral properties, these sources are evenly split between flat-spectrum radio quasars (FSRQs) and BL Lacs. The most abundant detected BL Lacs are of the high-synchrotron-peaked (HSP) type. About 50% of the BL Lacs have no measured redshifts. A few new rare outliers (HSP-FSRQs and high-luminosity HSP BL Lacs) are reported. The general properties of the 3LAC sample confirm previous findings from earlier catalogs. The fraction of 3LAC blazars in the total population of blazars listed in BZCAT remains non-negligible even at the faint ends of the BZCAT-blazar radio, optical, and X-ray flux distributions, which hints that even the faintest known blazars could eventually shine in gamma-rays at LAT-detection levels. The energy-flux distributions of the different blazar populations are in good agreement with extrapolation from earlier catalogs.

    KW - BL Lacertae objects: general

    KW - galaxies: active

    KW - galaxies: jets

    KW - gamma rays: galaxies

    UR - http://www.scopus.com/inward/record.url?scp=84940986423&partnerID=8YFLogxK

    UR - http://www.scopus.com/inward/citedby.url?scp=84940986423&partnerID=8YFLogxK

    U2 - 10.1088/0004-637X/810/1/14

    DO - 10.1088/0004-637X/810/1/14

    M3 - Article

    VL - 810

    JO - Astrophysical Journal

    JF - Astrophysical Journal

    SN - 0004-637X

    IS - 1

    M1 - 14

    ER -