2000A&A...359.1201F


Query : 2000A&A...359.1201F

2000A&A...359.1201F - Astronomy and Astrophysics, volume 359, 1201-1204 (2000/7-3)

Spatial variability of compact extragalactic radiosources.

FEISSEL M., GONTIER A.-M. and EUBANKS T.M.

Abstract (from CDS):

Several hundreds of compact extragalactic radiosources (mainly quasars, but also BL Lac and galaxies) are monitored in a series of permanent VLBI geodetic and astrometric programs that were initiated in the late 1970's in support to the solar system exploration, for studying the Earth's rotation and crustal deformations, and for creating the celestial reference frame later recommended by the IAU as the International Celestial Reference Frame (ICRF). Time series of directions of ICRF objects can be established at a sub-milliarcsecond precision level. A subset of 16 objects with a dense observational history over 1988-1999 are studied in order to derive information on the geometric and statistical properties of their emission at centimetric wavelength.

Abstract Copyright:

Journal keyword(s): astrometry - reference systems - galaxies: quasars: general

Simbad objects: 16

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Number of rows : 16
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 QSO B0016+73 QSO 00 19 45.7863851568 +73 27 30.018073212     19.0 18.26   ~ 283 1
2 QSO B0133+476 Bla 01 36 58.5947351640 +47 51 29.099491848     18.0 19.25 15.21 ~ 468 1
3 6C 021252+733537 BLL 02 17 30.8129232696 +73 49 32.622815712     19.0 18.97   ~ 425 1
4 4C 28.07 QSO 02 37 52.4057664048 +28 48 08.990026884     18.5 16.99   ~ 550 1
5 4C 47.08 BLL 03 03 35.2422414360 +47 16 16.276532592   17.54 16.95 16.2   ~ 254 1
6 7C 055201.39+394824.00 QSO 05 55 30.8055972888 +39 48 49.166341920     18.0 17.5   ~ 487 2
7 QSO J0854+2006 BLL 08 54 48.8749846272 +20 06 30.639583620   15.91 15.43 15.56   ~ 2161 1
8 ICRF J092703.0+390220 Sy1 09 27 03.0138528936 +39 02 20.850343332   17.17 17.00 16.486   ~ 959 1
9 Ton 599 QSO 11 59 31.8338889192 +29 14 43.826803116   14.80 14.41 17.652 13.39 ~ 850 1
10 7C 1308+3236 BLL 13 10 28.6639899312 +32 20 43.774028664   15.61 15.24 17.91   ~ 788 1
11 6C 161147+342017 QSO 16 13 41.0642858568 +34 12 47.910181572   17.98 17.46 17.07   ~ 598 1
12 4C 38.41 QSO 16 35 15.4928147784 +38 08 04.499799360   18.14 17.97 17.25   ~ 799 1
13 ICRF J163813.4+572023 Sy1 16 38 13.4562758136 +57 20 23.980140888     17.0 16.94   ~ 327 1
14 4C 51.37 Bla 17 40 36.9781162752 +52 11 43.408067208   18.16 18.5 16.73   ~ 380 1
15 8C 1803+784 BLL 18 00 45.6838528560 +78 28 04.018028016   16.4 16.4 15.46   ~ 689 1
16 QSO B2232+282 BLL 22 36 22.4708346336 +28 28 57.411659856   19.1 19.0 17.60   ~ 235 1

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2022.05.23-10:12:54

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