2015ApJ...808...74L

Query : 2015ApJ...808...74L

2015ApJ...808...74L - Astrophys. J., 808, 74 (2015/July-3)

Discovery of γ-ray emission from the strongly lobe-dominated quasar 3C 275.1.

LIAO N.-H., XIN Y.-L., LI S., JIANG W., LIANG Y.-F., LI X., ZHANG P.-F., CHEN L., BAI J.-M. and FAN Y.-Z.

Abstract (from CDS):

We systematically analyze the 6 year Fermi/Large Area Telescope (LAT) data on lobe-dominated quasars (LDQs) in the complete LDQ sample from the Revised third Cambridge Catalogue of Radio Sources (3CRR) survey and report the discovery of high-energy γ-ray emission from 3C 275.1. The γ-ray emission of 3C 207 is confirmed and significant variability of the light curve is identified. We do not find statistically significant γ-ray emission from other LDQs. 3C 275.1 is the known γ-ray quasar with the lowest core dominance parameter (i.e., R = 0.11). We also show that both the northern radio hotspot and parsec jet models can reasonably reproduce the γ-ray data. The parsec jet model, however, is favored by the potential γ-ray variability on a timescale of months. We suggest that some dimmer γ-ray LDQs will be detected in the future and LDQs could contribute non-ignorably to the extragalactic γ-ray background.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: jets - quasars: individual: 3C 275.1 - radiation mechanisms: non-thermal

Simbad objects: 34

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Number of rows : 34
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 3C 9 BLL 00 20 25.2231670656 +15 40 54.774271884   17.92 17.62     ~ 347 1
2 2C 44 QSO 00 36 06.4449136608 +18 37 59.099054268   20 20     ~ 121 1
3 SDSS J003659.42+183203.7 QSO 00 36 59.4114502128 +18 32 03.660098460           ~ 8 1
4 2E 437 Sy1 01 36 24.4208152464 +20 57 27.522990972   18.15 18.10     ~ 367 2
5 7C 022927.30+341049.00 QSO 02 32 28.8769824336 +34 23 46.713498468   20.70 19     ~ 197 1
6 3C 111 Sy1 04 18 21.2772425736 +38 01 35.801359968   19.75 18.05     ~ 1002 2
7 MCG+01-12-009 Bla 04 33 11.0956735296 +05 21 15.619461552   15.72 15.05 10.08   ~ 2099 2
8 ESO 252-18A Sy1 05 19 49.7229323856 -45 46 43.852662732   15.73 15.77 14.85   ~ 714 0
9 3C 175 Sy1 07 13 02.4220971768 +11 46 16.269484656   17.06 16.60     ~ 269 3
10 3C 181.0 Sy2 07 28 10.2171164616 +14 37 36.565176324   19.35 18.92     ~ 168 2
11 3C 190 QSO 08 01 33.5525166480 +14 14 42.813906612   21.07 20.26 18.972   ~ 249 2
12 3C 191 QSO 08 04 47.9671662720 +10 15 23.746977252   18.65 18.40     ~ 295 2
13 3C 204 QSO 08 37 45.0013678200 +65 13 35.305376376   18.76 18.21     ~ 184 1
14 3C 205 Sy1 08 39 06.5324936736 +57 54 17.069000688   18.10 17.62     ~ 264 1
15 3C 207.0 Bla 08 40 47.58842599 +13 12 23.5637506   18.58 18.15 17.622   ~ 455 1
16 3C 208 QSO 08 53 08.6093021736 +13 52 54.845406984   17.76 17.42     ~ 257 1
17 3C 212 QSO 08 58 41.44702653 +14 09 44.7622845   19.96 19.06     ~ 257 1
18 LB 9308 Sy1 09 06 31.8732919056 +16 46 11.785679112   18.48 18.27     ~ 303 3
19 4C 12.37 QSO 10 42 44.6052783816 +12 03 31.263917976   18.03 17.77     ~ 448 2
20 [OKM2018] SWIFT J1104.8+7689 Sy1 11 04 13.8611496720 +76 58 58.194549084   15.70 15.72 15.40   ~ 564 1
21 ICRF J113957.0+654749 Sy1 11 39 57.0254367168 +65 47 49.483232880   16.50 16.32     ~ 528 1
22 ICRF J120913.6+433920 Sy1 12 09 13.6108333200 +43 39 20.916497268   18.81 18.24     ~ 248 1
23 7C 1218+3359 QSO 12 20 33.8756544048 +33 43 12.026168040   18.80 18.61     ~ 271 1
24 M 87 AGN 12 30 49.42338414 +12 23 28.0436859 10.16 9.59 8.63   7.49 ~ 7815 3
25 NGC 4651 LIN 12 43 42.6376070448 +16 23 36.002649300   11.30 10.92 10.42 9.84 ~ 537 0
26 ICRF J124357.6+162253 Sy1 12 43 57.6491122968 +16 22 53.395049244   19.23 19.00     ~ 321 1
27 SDSS J124444.35+161621.7 BLL 12 44 44.3542093608 +16 16 21.728360568       18.5   ~ 32 0
28 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
29 2E 3648 Sy1 16 20 21.8185395384 +17 36 23.952361176   16.53 16.41 20.5   ~ 425 2
30 4C 23.43 Bla 16 24 39.0838297968 +23 45 12.223370412   17.91 17.47     ~ 343 1
31 8C 1704+608 Bla 17 04 41.3742408840 +60 44 30.520617000   15.65 15.40 15.30   ~ 782 1
32 4C 16.49 QSO 17 34 42.6025956120 +16 00 32.342065776     18.4     ~ 78 2
33 2C 1569 Bla 18 29 31.7809732968 +48 44 46.160168892   17.05 16.81 16.860   ~ 713 1
34 3C 432.0 QSO 21 22 46.3251704424 +17 04 37.916198832   18.18 17.96     ~ 215 2

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