2001A&A...369..339P


C.D.S. - SIMBAD4 rel 1.7 - 2020.05.25CEST01:18:23

2001A&A...369..339P - Astronomy and Astrophysics, volume 369, 339-363 (2001/4-1)

GAIA: Composition, formation and evolution of the Galaxy.

PERRYMAN M.A.C., DE BOER K.S., GILMORE G., HOG E., LATTANZI M.G., LINDEGREN L., LURI X., MIGNARD F., PACE O. and DE ZEEUW P.T.

Abstract (from CDS):

The GAIA astrometric mission has recently been approved as one of the next two ``cornerstones'' of ESA's science programme, with a launch date target of not later than mid-2012. GAIA will provide positional and radial velocity measurements with the accuracies needed to produce a stereoscopic and kinematic census of about one billion stars throughout our Galaxy (and into the Local Group), amounting to about 1 percent of the Galactic stellar population. GAIA's main scientific goal is to clarify the origin and history of our Galaxy, from a quantitative census of the stellar populations. It will advance questions such as when the stars in our Galaxy formed, when and how it was assembled, and its distribution of dark matter. The survey aims for completeness to V=20 mag, with accuracies of about 10µas at 15mag. Combined with astrophysical information for each star, provided by on-board multi-colour photometry and (limited) spectroscopy, these data will have the precision necessary to quantify the early formation, and subsequent dynamical, chemical and star formation evolution of our Galaxy. Additional products include detection and orbital classification of tens of thousands of extra-Solar planetary systems, and a comprehensive survey of some 105-106 minor bodies in our Solar System, through galaxies in the nearby Universe, to some 500000 distant quasars. It will provide a number of stringent new tests of general relativity and cosmology. The complete satellite system was evaluated as part of a detailed technology study, including a detailed payload design, corresponding accuracy assesments, and results from a prototype data reduction development.

Abstract Copyright:

Journal keyword(s): instrumentation: miscellaneous - space vehicles: instruments - astrometry - galaxy: general - techniques: photometric - techniques: radial velocities

Status at CDS:  

Simbad objects: 38

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Number of rows : 38

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 NGC 55 GiG 00 14 53.602 -39 11 47.86 8.54 8.58 7.87 7.84   ~ 697 2
2 IC 10 G 00 20 23.16 +59 17 34.7   13.6 9.5     ~ 1004 0
3 NGC 147 GiG 00 33 12.120 +48 30 31.46   12.0 9.5     ~ 618 1
4 NAME Andromeda III G 00 35 22.7 +36 30 17     14.4     ~ 269 0
5 NGC 185 Sy2 00 38 57.970 +48 20 14.56   9.10 9.2     ~ 725 1
6 M 110 GiG 00 40 22.0544552438 +41 41 07.496294862   8.92 8.07     ~ 1205 1
7 M 32 IG 00 42 41.825 +40 51 54.61 9.51 9.03 8.08     ~ 2000 2
8 M 31 G 00 42 44.330 +41 16 07.50 4.86 4.36 3.44     ~ 10838 1
9 NAME Andromeda I G 00 45 39.8 +38 02 28   13.9 12.7     ~ 302 0
10 NAME SMC G 00 52 38.0 -72 48 01   2.79 2.2     ~ 9377 1
11 NAME Sculptor Dwarf Galaxy G 01 00 09.4 -33 42 32   9.79 8.6 8.81   ~ 1104 4
12 NAME Pisces I G 01 03 56.6 +21 53 41   16.18 14.3     ~ 356 0
13 IC 1613 GiC 01 04 54.2 +02 08 00   10.42 10.01 9.77   ~ 1102 2
14 NAME Andromeda II G 01 16 29.8 +33 25 09     11.7     ~ 339 0
15 M 33 GiG 01 33 50.904 +30 39 35.79 6.17 6.27 5.72     ~ 5115 1
16 NAME Phoenix Dwarf Galaxy Sy1 01 51 06.3 -44 26 41   13.48 13.2 12.69   ~ 446 2
17 NAME Fornax Dwarf Spheroidal G 02 39 59.3 -34 26 57   9.02 7.4     ~ 1465 1
18 UGCA 92 G 04 32 04.9 +63 36 49   16.15       ~ 115 0
19 NAME LMC G 05 23 34.6 -69 45 22     0.4     ~ 14734 1
20 NAME Carina dSph G 06 41 36.7 -50 57 58   22.14 11.0 19.47   ~ 985 0
21 NAME Leo Dwarf Irregular Galaxy G 09 59 26.46 +30 44 47.0 14.08 13.54 13.26 13.33   ~ 545 0
22 NAME Sextans B H2G 10 00 00.8201300945 +05 20 09.572530884 12.77 12.25 11.89 11.71   ~ 464 0
23 NGC 3109 G 10 03 06.877 -26 09 34.46 11.10 10.42 10.04 9.91   ~ 690 2
24 NAME Antlia Dwarf Galaxy G 10 04 03.9 -27 20 01 16.73 15.69 15.17 15.00   ~ 194 1
25 NAME Leo I dSph G 10 08 28.12 +12 18 23.4   11.3 10.0     ~ 1041 1
26 NAME Sex A H2G 10 11 00.5 -04 41 30 12.48 12.13 11.93 11.78   ~ 649 2
27 NAME Dwarf Elliptical Galaxy in Sex G 10 13 02.9 -01 36 53   12 10.4     ~ 697 0
28 NAME Leo B G 11 13 28.13 +22 09 10.1   12.9 12.0     ~ 729 0
29 UGC 8091 H2G 12 58 40.1930291852 +14 13 00.737117016 15.24 15.16 14.98 14.81   ~ 437 0
30 NAME UMi Galaxy G 15 09 11.34 +67 12 51.7   13.60 10.6     ~ 1172 0
31 NAME Dra dSph G 17 20 14.335 +57 55 16.39   12.40 10.6     ~ 1155 1
32 NAME Sgr dIG G 19 29 59.0 -17 40 41   15.5 13.6     ~ 274 1
33 NGC 6822 G 19 44 56.199 -14 47 51.29   18 8.1     ~ 1425 0
34 NAME Aquarius Dwarf G 20 46 51.7 -12 50 54 15.75 15.18 14.83 14.46   ~ 392 1
35 IC 5152 G 22 02 41.521 -51 17 47.20   11.03 10.9 10.19   ~ 218 1
36 NAME Tuc Galaxy G 22 41 49.6 -64 25 10   15.7 15.2     ~ 264 0
37 NAME Pisces II G 22 58 31.0 +05 57 09     16.3     ~ 212 0
38 NAME Peg Dwarf Irregular Galaxy G 23 28 35.2 +14 44 35 13.85 13.16 12.52     ~ 417 1

    Equat.    Gal    SGal    Ecl

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2020.05.25-01:18:23

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