2009ApJ...707L.142A

Query : 2009ApJ...707L.142A

2009ApJ...707L.142A - Astrophys. J., 707, L142-L147 (2009/December-3)

Radio-loud narrow-line Seyfert 1 as a new class of gamma-ray active galactic nuclei.

ABDO A.A., ACKERMANN M., AJELLO M., BALDINI L., BALLET J., BARBIELLINI G., BASTIERI D., BECHTOL K., BELLAZZINI R., BERENJI B., BLOOM E.D., BONAMENTE E., BORGLAND A.W., BREGEON J., BREZ A., BRIGIDA M., BRUEL P., BURNETT T.H., CALIANDRO G.A., CAMERON R.A., CARAVEO P.A., CASANDJIAN J.M., CECCHI C., CELIK O., CHEKHTMAN A., CHEUNG C.C., CHIANG J., CIPRINI S., CLAUS R., COHEN-TANUGI J., CONRAD J., CUTINI S., DERMER C.D., DE PALMA F., DO COUTO E SILVA E., DRELL P.S., DUBOIS R., DUMORA D., FARNIER C., FAVUZZI C., FEGAN S.J., FOCKE W.B., FOSCHINI L., FRAILIS M., FUKAZAWA Y., FUSCO P., GARGANO F., GEHRELS N., GERMANI S., GIEBELS B., GIGLIETTO N., GIORDANO F., GIROLETTI M., GLANZMAN T., GODFREY G., GRENIER I.A., GROVE J.E., GUILLEMOT L., GUIRIEC S., HAYASHIDA M., HAYS E., HORAN D., HUGHES R.E., JOHANNESSON G., JOHNSON A.S., JOHNSON W.N., KADLER M., KAMAE T., KATAGIRI H., KATAOKA J., KERR M., KNODLSEDER J., KUSS M., LANDE J., LATRONICO L., LONGO F., LOPARCO F., LOTT B., LOVELLETTE M.N., LUBRANO P., MAKEEV A., MAZZIOTTA M.N., McCONVILLE W., McENERY J.E., MEURER C., MICHELSON P.F., MITTHUMSIRI W., MIZUNO T., MONTE C., MONZANI M.E., MORSELLI A., MOSKALENKO I.V., MURGIA S., NOLAN P.L., NORRIS J.P., NUSS E., OHSUGI T., OMODEI N., ORLANDO E., ORMES J.F., PELASSA V., PEPE M., PERSIC M., PESCE-ROLLINS M., PIRON F., PORTER T.A., RAINO S., RANDO R., RAZZANO M., ROCHESTER L.S., RODRIGUEZ A.Y., RYDE F., SADROZINSKI H.F.-W., SAMBRUNA R., SANDER A., SAZ PARKINSON P.M., SCARGLE J.D., SGRO C., SMITH P.D., SPANDRE G., SPINELLI P., STRICKMAN M.S., SUSON D.J., TAGLIAFERRI G., TAKAHASHI H., TAKAHASHI T., TANAKA T., THAYER J.B., THAYER J.G., THOMPSON D.J., TIBALDO L., TIBOLLA O., TORRES D.F., TOSTI G., TRAMACERE A., UCHIYAMA Y., USHER T.L., VASILEIOU V., VILCHEZ N., VITALE V., WAITE A.P., WANG P., WINER B.L., WOOD K.S., YLINEN T., ZIEGLER M. (The Fermi-LAT Collaboration), GHISELLINI G., MARASCHI L. and TAVECCHIO F.

Abstract (from CDS):

We report the discovery with Fermi/LAT of γ-ray emission from three radio-loud narrow-line Seyfert 1 galaxies: PKS 1502+036 (z = 0.409), 1H 0323+342 (z = 0.061), and PKS 2004-447 (z = 0.24). In addition to PMN J0948+0022 (z = 0.585), the first source of this type to be detected in γ rays, they may form an emerging new class of γ-ray active galactic nuclei (AGNs). These findings can have strong implications on our knowledge about relativistic jets and the unified model of the AGN.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: Seyfert - gamma rays: observations - quasars: general

CDS comments: PKS 2004+447 is a misprint for PKS 2004-447.

Simbad objects: 4

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Number of rows : 4
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 6C 032130+340016 BLL 03 24 41.1612813408 +34 10 45.857918460     15.72 13.1   ~ 314 1
2 QSO J0948+0022 Bla 09 48 57.32005819 +00 22 25.5596984   18.85 18.61 18.17   ~ 350 2
3 QSO J1505+0326 Bla 15 05 06.47716039 +03 26 30.8125704   19.02 18.62 17.72   ~ 278 1
4 QSO B2004-447 Bla 20 07 55.1842447944 -44 34 44.274118260   19.3 19.3 18   ~ 185 1

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