1997A&AS..124..109P


Query : 1997A&AS..124..109P

1997A&AS..124..109P - Astron. Astrophys., Suppl. Ser., 124, 109-122 (1997/July-0)

Extragalactic database. VII. Reduction of astrophysical parameters.

PATUREL G., ANDERNACH H., BOTTINELLI L., DI NELLA H., DURAND N., GARNIER R., GOUGUENHEIM L., LANOIX P., MARTHINET M.C., PETIT C., ROUSSEAU J., THEUREAU G. and VAUGLIN I.

Abstract (from CDS):

The Lyon-Meudon Extragalactic database (LEDA) gives a free access to the main astrophysical parameters for more than 100 000 galaxies. The most common names are compiled allowing users to recover quickly any galaxy. All these measured astrophysical parameters are first reduced to a common system according to well defined reduction formulae leading to mean homogeneized parameters. Further, these parameters are also transformed into corrected parameters from widely accepted models. For instance, raw 21-cm line widths are transformed into mean standard widths after correction for instrumental effect and then into maximum velocity rotation properly corrected for inclination and non-circular velocity. This paper presents the reduction formulae for each parameter: coordinates, morphological type and luminosity class, diameter and axis ratio, apparent magnitude (UBV, IR, HI) and colors, maximum velocity rotation and central velocity dispersion, radial velocity, mean surface brightness, distance modulus and absolute magnitude, and group membership. For each of these parameters intermediate quantities are given: galactic extinction, inclination, K-correction etc.. All these parameters are available from direct connexion to LEDA and distributed on a standard CD-ROM (PGC-ROM 1996) by the Observatoire de Lyon via the CNRS.

Abstract Copyright:

Journal keyword(s): galaxies: fundamental parameters - astronomical data bases: miscellaneous - catalogs

Simbad objects: 22

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Number of rows : 22
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 NAME WLM Galaxy G 00 01 57.9 -15 27 50   11.50 11.10 10.93   ~ 627 2
2 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 10311 1
3 NAME Sculptor Dwarf Galaxy G 01 00 09.4 -33 42 32   9.79 8.6 8.81   ~ 1242 4
4 NAME Phoenix Dwarf Galaxy Sy1 01 51 06.3 -44 26 41   13.48 13.2 12.69   ~ 499 2
5 LBN 659 GiG 02 36 35.4662282832 +59 39 17.507008584   17       ~ 183 2
6 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1625 1
7 UGCA 39 GiG 02 41 55.092 +59 36 14.73   16       ~ 338 1
8 LEDA 101304 G 02 54 08.47 +59 00 19.1   20.5       ~ 33 0
9 NAME Cas 2 GiG 02 56 51.6359356200 +58 54 42.136879608           ~ 78 0
10 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 16150 1
11 NAME Carina dSph G 06 41 36.7 -50 57 58   22.14 11.0 19.47   ~ 1060 0
12 NAME Hya A LIN 09 18 05.6783347248 -12 05 43.634531472   14.38 14.8     ~ 961 1
13 NAME Leo A G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 581 0
14 NAME Sextans B H2G 10 00 00.8217342072 +05 20 09.533389560 12.77 12.25 11.89 11.71   ~ 503 0
15 NAME Sex A H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 692 2
16 2MASX J12365934+1419494 LSB 12 36 59.3463193464 +14 19 49.164305988   17.80       ~ 188 0
17 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1098 2
18 NAME UMi Galaxy G 15 09 11.34 +67 12 51.7   13.60 10.6     ~ 1271 0
19 NAME Hercules A rG 16 51 07.9886687784 +04 59 35.547131472     18.25     ~ 448 1
20 NAME Dra dSph G 17 20 14.335 +57 55 16.39   12.40 10.6     ~ 1251 1
21 NAME Cyg A Sy2 19 59 28.35645829 +40 44 02.0966496   16.22 15.10     ~ 2247 2
22 NAME PegDIG G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 449 1

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2022.08.08-16:49:19

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