2012ApJ...752..153H


Query : 2012ApJ...752..153H

2012ApJ...752..153H - Astrophys. J., 752, 153 (2012/June-3)

The Swift BAT survey detects two optical broad line, X-ray heavily obscured active galaxies: NVSS 193013+341047 and IRAS 05218-1212.

HOGG J.D., WINTER L.M., MUSHOTZKY R.F., REYNOLDS C.S. and TRIPPE M.

Abstract (from CDS):

The Swift Burst Alert Telescope (BAT) is discovering interesting new objects while monitoring the sky in the 14-195 keV band. Here we present the X-ray properties and spectral energy distributions (SEDs) for two unusual active galactic nucleus sources. Both NVSS 193013+341047 and IRAS 05218-1212 are absorbed, Compton-thin, but heavily obscured (NH∼ 1023/cm2), X-ray sources at redshifts <0.1. The SEDs reveal these galaxies to be very red, with high extinction in the optical and UV. A similar SED is seen for the extremely red objects (EROs) detected in the higher redshift universe. This suggests that these unusual BAT-detected sources are a low-redshift (z {Lt} 1) analog to EROs, which recent evidence suggests are a class of the elusive type II quasars. Studying the multi-wavelength properties of these sources may reveal the properties of their high-redshift counterparts.

Abstract Copyright: ∼

Journal keyword(s): galaxies: active - galaxies: Seyfert - surveys - X-rays: galaxies

CDS comments: IRAS 02218-1212 is a misrpint for IRAS 05218-1212.

Simbad objects: 11

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Number of rows : 11
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 XBS J021642.3-043553 Sy1 02 16 42.4 -04 35 52       24.46   ~ 14 0
2 3C 105.0 Sy2 04 07 16.4671273272 +03 42 25.813809432   18.5       ~ 241 0
3 3C 111 Sy1 04 18 21.2772425736 +38 01 35.801359968   19.75 18.05     ~ 1002 2
4 IRAS 05218-1212 Sy1 05 24 06.9092163696 -12 10 08.857529076   15.70 14.84 15.08   ~ 77 1
5 IRAS 05563-3820 Sy1 05 58 02.0566707456 -38 20 04.452162288   16.05 14.98 11.6   ~ 249 1
6 NGC 3516 Sy1 11 06 47.4632200800 +72 34 07.298374656   13.12 12.40     ~ 1638 0
7 NGC 3783 Sy1 11 39 01.7096819040 -37 44 19.009642992   12.46 13.43 11.33 12.1 ~ 1765 1
8 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
9 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
10 IRAS 19283+3404 Sy1 19 30 13.80000 +34 10 49.5264   17.7   15.8   ~ 47 1
11 LEDA 68751 Sy1 22 23 49.5398449645 -02 06 12.856394895   16.93 15.77 16.02   ~ 511 2

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