2002ApJ...576...61H

Query : 2002ApJ...576...61H

2002ApJ...576...61H - Astrophys. J., 576, 61-74 (2002/September-1)

The luminosity function of QSO host galaxies.

HAMILTON T.S., CASERTANO S. and TURNSHEK D.A.

Abstract (from CDS):

We present some results from our HST archival image study of 71 QSO host galaxies. The objects are selected to have z≤0.46 and total absolute magnitude MV≤-23 in our adopted cosmology (H0=50 km.s–1.Mpc–1, q0=0.5, and Λ=0). The aim of this initial study is to investigate the composition of the sample with respect to host morphology and radio loudness, as well as to derive the QSO host galaxy luminosity function. We have analyzed available WFPC2 images in R or I band (U band, in one case), using a uniform set of procedures. The host galaxies span a narrow range of luminosities and are exceptionally bright, much more so than normal galaxies, usually L>L*V. The QSOs are almost equally divided among three subclasses: radio-loud QSOs with elliptical hosts, radio-quiet QSOs with elliptical hosts, and radio-quiet QSOs with spiral hosts. Radio-loud QSOs with spiral hosts are extremely rare. Using a weighting procedure, we derive the combined luminosity function of QSO host galaxies. We find that the luminosity function of QSO hosts differs in shape from that of normal galaxies but that they coincide at the highest luminosities. The ratio of the number of quasar hosts to the number of normal galaxies at a luminosity LV is R=LV/11.48L*V2.46, where L*V corresponds to M*V=-22.35, and a QSO is defined to be an object with total nuclear plus host light MV≤-23. This ratio can be interpreted as the probability that a galaxy with luminosity LV will host a QSO at redshift z~0.26.

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Journal keyword(s): Galaxies: Elliptical and Lenticular, cD - Galaxies: Spiral - Galaxies: Quasars: General

Simbad objects: 68

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Number of rows : 68
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 SDSS J002311.05+003517.4 Sy1 00 23 11.0604554688 +00 35 17.528496792   20.14 19.80     ~ 67 0
2 2MASS J00240269-0244598 Sy1 00 24 02.6813196480 -02 44 59.675284464     18.8     ~ 19 0
3 LEDA 2822170 Sy2 00 24 30.1497156456 -29 28 54.448830876     20.0     ~ 67 1
4 2MASS J00454722+0410233 Sy1 00 45 47.2231233240 +04 10 23.386759392   15.88 16.00     ~ 163 0
5 LEDA 3237 Sy1 00 54 52.1183662680 +25 25 38.983241532     15.42     ~ 421 0
6 [OKM2018] SWIFT J0056.9+1472 Sy1 00 57 09.9306975096 +14 46 10.142054004   16.56 16.29     ~ 167 0
7 LBQS 0100+0205 QSO 01 03 12.9904808808 +02 21 09.980099388   16.81 16.39     ~ 66 1
8 2E 437 Sy1 01 36 24.4208152464 +20 57 27.522990972   18.15 18.10     ~ 367 2
9 3C 48 QSO 01 37 41.2996631208 +33 09 35.080388820   16.62 16.20     ~ 2924 2
10 ICRF J013957.3+013146 Sy1 01 39 57.30577668 +01 31 46.1387932   17.12 17.07     ~ 178 1
11 Mrk 1014 Sy1 01 59 50.2534701768 +00 23 40.864244784   16.08 15.87     ~ 606 0
12 ICRF J020213.6-762003 Sy1 02 02 13.6936269168 -76 20 03.062287464   16.95 16.90     ~ 111 1
13 Mrk 586 Sy1 02 07 49.8619039200 +02 42 55.876760568   15.67 15.41     ~ 192 0
14 LEDA 138537 Sy1 02 47 40.8457737264 +19 40 57.824917500   16.77 16.66     ~ 48 0
15 PB 6972 QSO 03 00 29.7768363648 +02 40 50.861837028   16.1 16.1     ~ 33 0
16 QSO J0311-7651 BLL 03 11 55.2496997640 -76 51 50.848335324 15.27 16.09 16.10 15.33   ~ 231 1
17 QSO B0316-3437 QSO 03 18 06.4933403496 -34 26 36.035624652   15.30 15.1     ~ 35 0
18 3C 93.0 BLL 03 43 29.9963486496 +04 57 48.612170988   18.49 18.14     ~ 155 1
19 LEDA 75249 Sy1 04 52 30.0811 -29 53 35.226 15.07 17.39 15.35 16.06   ~ 128 0
20 QSO B0736+01 Bla 07 39 18.03389906 +01 37 04.6177501   16.90 16.47 16.19   ~ 738 1
21 1E 0754+39.3 Sy1 07 58 00.0523246728 +39 20 28.996699092   14.74 14.36 14.4   ~ 104 0
22 IRAS 07598+6508 Sy1 08 04 30.4643108040 +64 59 52.789588188   14.3 15.5     ~ 242 0
23 LEDA 139051 Sy1 08 04 52.7356328496 +21 20 50.213431896   17.19 16.99     ~ 41 0
24 3C 206 Sy1 08 39 50.5829445936 -12 14 34.327188564   15.78 15.76     ~ 254 1
25 LB 9308 Sy1 09 06 31.8732919056 +16 46 11.785679112   18.48 18.27     ~ 303 3
26 Ton 1057 Sy1 09 25 54.7145627448 +19 54 05.064888348   16.02 15.89     ~ 187 0
27 QSO B0944+1333 QSO 09 46 52.5750103056 +13 19 53.865481548   16.40 16.21     ~ 38 0
28 PG 0953+414 Sy1 09 56 52.3931554992 +41 15 22.211247636 14.710 15.611 15.546 15.294 14.720 ~ 472 0
29 Ton 28 Sy1 10 04 02.6102134920 +28 55 35.329310688   16.17 15.7     ~ 192 0
30 4C 13.41 Sy1 10 07 26.0965408440 +12 48 56.184940764   15.81 15.68     ~ 418 2
31 2MASS J10145491+0033374 Sy1 10 14 54.9035635608 +00 33 37.366161048   20.23 18.94 16.104   ~ 169 0
32 HE 1029-1401 Sy1 10 31 54.3173785536 -14 16 51.378102372   14.08 13.86     ~ 140 0
33 LEDA 33335 Sy1 11 02 36.7931619240 +72 46 38.509502016   17.09 16.40     ~ 61 0
34 Ton 1388 Sy1 11 19 08.6786220240 +21 19 17.987085948   14.91 14.80     ~ 492 0
35 QSO J1204+2754 Bla 12 04 42.1097215992 +27 54 11.869350264   15.64 15.60     ~ 429 0
36 LBQS 1209+1259 AGN 12 12 27.8815344336 +12 42 54.605875140     18.5     ~ 14 0
37 PG 1216+069 Sy1 12 19 20.9318278680 +06 38 38.467059252   15.68 15.65     ~ 302 0
38 87GB 121807.5+173455 Sy1 12 20 39.3516596376 +17 18 20.816559828   18.66 18.47     ~ 42 1
39 Mrk 205 BLL 12 21 44.0724099888 +75 18 38.241006228   15.64 15.24 14.7   ~ 492 0
40 LBQS 1222+1010 QSO 12 25 12.3338994696 +09 54 20.390858748   18.70 18.58     ~ 37 1
41 RMB 145 BLL 12 25 12.9367773576 +12 18 35.717924160   17.77 17.71     ~ 61 1
42 3C 273 BLL 12 29 06.6998257176 +02 03 08.597629980   13.05 14.830 14.11   ~ 6022 1
43 Z 99-79 Sy1 12 32 03.6223710000 +20 09 29.495834136   15.57 15.30     ~ 526 0
44 LBQS 1240+1754 QSO 12 42 37.2853882464 +17 38 19.809023352   18.27 18.19     ~ 27 0
45 2MASS J12462810+1645228 Sy1 12 46 28.0955822640 +16 45 22.914030132     17.9     ~ 17 0
46 2E 2879 Sy1 12 52 26.3561235816 +56 34 19.573734864   18.42 18.11 17.660   ~ 293 2
47 QSO J1305-1033 Bla 13 05 33.0150535680 -10 33 19.430383680   15.18 15.23 14.46   ~ 624 1
48 LEDA 45656 Sy1 13 09 47.0031619008 +08 19 48.212362524   16.04 15.89     ~ 412 0
49 Ton 1565 Bla 13 12 17.7526981968 +35 15 21.086467128   15.45 15.64 14.2   ~ 292 1
50 2MASS J14003196+0404576 Sy1 14 00 31.9624647744 +04 04 57.667261656   16.68 16.58     ~ 67 0
51 PB 1309 Sy1 14 04 38.7980689872 +43 27 07.452879120   16.12 15.76     ~ 134 0
52 Ton 182 Sy1 14 05 16.2178674936 +25 55 34.117540788   15.42 15.34     ~ 268 0
53 [OKM2018] SWIFT J1419.0-1323 Sy1 14 19 03.8170514760 -13 10 44.785212600   16.46 16.10 16.50   ~ 245 0
54 Ton 202 Sy1 14 27 35.6076948744 +26 32 14.541190476   15.96 16.00     ~ 315 0
55 LEDA 1029293 Sy1 15 22 28.7158022688 -06 44 40.827942852   14.8 14.60     ~ 43 0
56 ICRF J154743.5+205216 Sy1 15 47 43.5376371336 +20 52 16.612810320   16.80 16.69 15.70   ~ 521 1
57 4C 11.50 Bla 15 50 43.5947388984 +11 20 47.453985024   17.47 17.23 16.5   ~ 175 3
58 LEDA 3096499 Sy1 16 37 46.4977481160 +11 49 49.203034212   16.98 16.50     ~ 112 1
59 8C 1704+608 Bla 17 04 41.3742408840 +60 44 30.520617000   15.65 15.40 15.30   ~ 782 1
60 ICRF J213745.1-143255 Sy1 21 37 45.1959922824 -14 32 55.695508728 15.41 15.63 15.53 15.0   ~ 390 1
61 QSO B2141+1730 Bla 21 43 35.54456275 +17 43 48.7875890   15.91 15.73 15.17   ~ 418 1
62 LEDA 89182 Sy2 22 02 55.1956185072 -56 59 37.409109036 16.14 17.25 15.98 15.98   ~ 24 0
63 4C 31.63 BLL 22 03 14.9756830008 +31 45 38.269473228   15.85 15.58 14.33   ~ 523 1
64 LBQS 2214-1903 QSO 22 16 51.6856077000 -18 48 12.539316204     18.2     ~ 13 0
65 2MASS J22174773-0332383 Sy1 22 17 47.7281177664 -03 32 38.436635436   17.25 17.20 17.37   ~ 57 0
66 2MASX J22502534+1419519 Sy1 22 50 25.3475290512 +14 19 52.095751140   17.28 16.97 17.243   ~ 210 1
67 2MASX J23472568+1844502 Sy2 23 47 25.7033911152 +18 44 50.636115024     15.9     ~ 26 0
68 4C -01.61 BLL 23 51 56.1224889360 -01 09 13.315371768   16.83 16.59     ~ 380 1

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