2002ApJ...569L..35F

Query : 2002ApJ...569L..35F

2002ApJ...569L..35F - Astrophys. J., 569, L35-L38 (2002/April-2)

The black hole mass of BL Lacertae objects from the stellar velocity dispersion of the host galaxy.

FALOMO R., KOTILAINEN J.K. and TREVES A.

Abstract (from CDS):

The correlation between black hole mass MBH and stellar velocity dispersion σ in nearby elliptical galaxies affords us a novel way to determine MBH in active galaxies. We report on measurements of σ from optical spectra of seven BL Lacertae host galaxies. The derived values of σ are in the range of 160-290 km.s–1 corresponding to MBH of 5x107-1x109 M☉. The average ratio of MBH to the host galaxy mass is 1.4x10–3, consistent with that estimated in other active and inactive galaxies. The velocity dispersions and the derived values of MBH of the BL Lac objects are similar to those obtained for low-redshift radio galaxies, in good agreement with the predictions of the unified models for radio-loud active galaxies.

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Journal keyword(s): Galaxies: BL Lacertae Objects: General - Galaxies: Active - Galaxies: Elliptical and Lenticular, cD - Galaxies: Kinematics and Dynamics - Galaxies: Nuclei

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 - 2026 		#notes
1 Z 184-50 BLL 11 04 27.3140835504 +38 12 31.798495872   13.50 12.90 8.31   ~ 2841 1
2 Z 334-43 BLL 11 36 26.4090783600 +70 09 27.309071232   15.16 14.49 10.51   ~ 394 1
3 ACO 1656 ClG 12 59 44.40 +27 54 44.9           ~ 5141 2
4 NGC 5831 GiG 15 04 07.0002600408 +01 13 11.705607012   13.1   11.19   ~ 304 0
5 Z 225-7 BLL 16 53 52.21668403 +39 45 36.6088754 14.09 14.15 13.29 8.26   ~ 2304 2
6 ZW I 187 BLL 17 28 18.6242294352 +50 13 10.469553996   16.55 15.97 12.95   ~ 396 1
7 Z 340-35 BLL 18 06 50.6802916920 +69 49 28.109609256   14.77 14.22 11.39   ~ 909 1
8 QSO B1959+650 BLL 19 59 59.8520303688 +65 08 54.652536492     12.8 11.21   ~ 699 2
9 Z 403-19 BLL 22 04 17.6521146096 +04 40 02.027503020   16.20 15.2 10.2   ~ 223 2

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