2002A&A...396..489B

Query : 2002A&A...396..489B

2002A&A...396..489B - Astronomy and Astrophysics, volume 396489-501 (2002/12-3)

Near IR spectroscopy of active galactic nuclei.

BOISSON C., COUPE S., CUBY J.G., JOLY M. and WARD M.J.

Abstract (from CDS):

Using the VLT together with the near infrared instrument ISAAC, we have obtained medium spectral and high spatial resolution observations of a sample of nearby Seyfert galaxies in the H-band. This band is particularly suited for stellar population studies since the stellar component dominates over the AGN nucleus. The H-band also includes the peak contribution from cool stars. The AGN spectra are very rich in strong metallic lines which are sensitive to stellar luminosity class. For 4 out of 5 galaxies the central velocity dispersions are found to be significantly lower than reported in previous studies. Gradients in the stellar population within the central regions were searched for, together with evidence for dilution of the stellar spectral features within the nucleus.

Abstract Copyright: ∼

Journal keyword(s): galaxies: stellar content - galaxies: active - galaxies: nuclei - methods: data analysis - infrared: galaxies

Simbad objects: 19

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Number of rows : 19
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 HD 11507 PM* 01 52 49.1725594618 -22 26 05.488146613 11.572 10.322 8.883 7.975 7.072 M0V 146 0
2 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
3 HD 36395 PM* 05 31 27.3957852161 -03 40 38.024004501 10.626 9.443 7.968 6.996 5.913 M1.5Ve 574 0
4 HD 39715 PM* 05 54 28.5765205846 +02 08 32.041435253   9.86   8.1   K3V 93 0
5 V* V350 CMa gD* 06 42 46.0439059320 -22 26 54.936081132   6.56 6.23     F2V 73 0
6 NGC 2992 Sy2 09 45 42.045 -14 19 34.90 13.54 13.14 12.18 12.6 12.2 ~ 951 3
7 NGC 2993 Sy1 09 45 48.325 -14 22 06.02 12.72 13.11 12.64 13.4 13.0 ~ 194 2
8 NGC 3185 Sy2 10 17 38.5650471192 +21 41 17.573817228   12.99 12.17 12.37   ~ 308 1
9 NGC 3189 GiP 10 18 05.643 +21 49 54.98 12.60 12.12 11.15 11.14   ~ 422 2
10 HD 93250 ** 10 44 45.0275085072 -59 33 54.680974848 6.73 8.12 7.50 8.38   O4III(fc) 334 0
11 NGC 3783 Sy1 11 39 01.7096819040 -37 44 19.009642992   12.46 13.43 11.33 12.1 ~ 1765 1
12 HD 106116 PM* 12 12 28.8425407188 -03 05 04.109959534   8.15 7.50     G5V 206 0
13 HD 112164 SB* 12 54 58.5434001533 -44 09 06.955051834 6.78 6.53 5.89     F9Vp 138 0
14 MCG-06-30-015 Sy1 13 35 53.7691256160 -34 17 44.160716796   13.89 13.61 8.9   ~ 1559 0
15 * ups01 Cen Pu* 13 58 40.7486851 -44 48 12.908967 2.87 3.67 3.87 4.01 4.22 B2IV-V 157 0
16 HD 131977 BY* 14 57 28.0007918772 -21 24 55.727265310 7.89 6.83 5.72 4.74 4.19 K4V 525 0
17 V* U Nor cC* 15 42 20.9185773096 -55 18 42.939346104   10.68 9.22     F8Ib/II 160 0
18 NGC 6221 Sy2 16 52 46.329 -59 13 00.99   10.90 13.45 9.68 10.4 ~ 328 0
19 * sig Ara * 17 35 39.5913568261 -46 30 20.463850983 4.47 4.56 4.59 4.60 4.65 A0V 69 0

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