2002A&A...389L..47D


Query : 2002A&A...389L..47D

2002A&A...389L..47D - Astronomy and Astrophysics, volume 389, L47-50 (2002/7-2)

An unusual iron Lo-BAL quasar detected by ISOCAM.

DUC P.-A., HALL P.B., FADDA D., CHANIAL P., ELBAZ D., MONACO P., POMPEI E., POGGIANTI B.M., FLORES H., FRANCESCHINI A., BIVIANO A., MOORWOOD A. and CESARSKY C.

Abstract (from CDS):

We report the discovery of an unusual low-ionization broad absorption line quasar at z=1.776 which exhibits absorption lines from many excited states of FeII. This member of the rare class of ``FeLoBAL'' quasars was serendipitously found in a mid-infrared (MIR) survey of distant clusters carried out with the ISOCAM camera. ISO J005645.1-273816 has a high MIR to UV luminosity ratio, suggesting a strong dust obscuration plus emission from very hot dust. This characteristic makes MIR surveys particularly efficient at detecting LoBAL quasars.

Abstract Copyright:

Journal keyword(s): quasars: absorption lines - quasars: individual: ISO J005645.1-273816 - infrared: galaxies

Nomenclature: [DHF2002] ISO J005645.1-273816 N=1.

CDS comments: Cluster J1888.16CL = CEMM J1888.16CL.

Simbad objects: 9

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Number of rows : 9
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2022
#notes
1 [DHF2002] ISO J005645.1-273816 AGN 00 56 45.1 -27 38 16   22.74       ~ 7 0
2 ClG 0055-2754 ClG 00 56 56.8 -27 40 29   21.9       ~ 83 0
3 QSO J0840+3633 QSO 08 40 44.4183146928 +36 33 27.831133836   17.51 16.98     ~ 60 0
4 Mrk 231 Sy1 12 56 14.2341182928 +56 52 25.238373852   14.68 13.84     ~ 1894 3
5 QSO J1415+1129 QSO 14 15 46.25 +11 29 43.4   17.63 17.23     ~ 618 0
6 [VV2006] J153741.8+122744 QSO 15 37 41.8 +12 27 44     18.52     ~ 6 0
7 QSO J1556+3517 QSO 15 56 33.7774602000 +35 17 57.390028908   21.39 20.68 19.07   ~ 81 1
8 [VV96] J164010.4+410522 QSO 16 40 10.1317401000 +41 05 22.192517940 16.43 17.41 17.06   16.73 ~ 21 0
9 IRAS 17002+5153 Sy1 17 01 24.8265469104 +51 49 20.447878836   15.49 15.12     ~ 367 0

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2022.05.21-12:15:44

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