HD 2957

Query : HD 2957

Basic data :
HD 2957 -- alpha2 CVn Variable
Other object types: otypes_help 		* (HD,BD,...), a2* (2016AJ), Ro* (2019MNRAS), NIR (2MASS)
ICRS coord. (ep=J2000) : 		00 32 44.0827348344 -13 29 13.458487488 (Optical) [ 0.0307 0.0251 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		00 30 12.5256682564 -13 45 46.630547954 [ 0.0307 0.0251 90 ]
Gal coord. (ep=J2000) : 		104.2447901988938 -75.6758333229086 [ 0.0307 0.0251 90 ]
Proper motions mas/yr : 		3.882 4.867 [0.047 0.039 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) 12.25 [1.19] / z(spectroscopic) 0.000041 [0.000004] / cz 12.25 [1.19]
   (Opt) B 2022yCat.1355....0G
Parallaxes (mas): 		3.1663 [0.0378] A 2020yCat.1350....0G
Spectral type: 		ApCrEu D 1973AJ.....78..687B
Fluxes (6) :
B 8.527 [0.017] D 2000A&A...355L..27H
V 8.49 [0.01] D 2000A&A...355L..27H
G 8.490942 [0.002839] C 2022yCat.1355....0G
J 8.448 [0.026] C 2003yCat.2246....0C
H 8.466 [0.036] C 2003yCat.2246....0C
K 8.465 [0.022] C 2003yCat.2246....0C
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Identifiers (20) :
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HD 2957 HIP 2579 Renson 760 TYC 5271-306-1
BD-14 83 2MASS J00324409-1329134 SAO 147330 uvby98 100002957
GEN# +1.00002957 PPM 208945 SB 220 YZC 11 143
GSC 05271-00306 RAVE J003244.1-132914 SRS 3205 Gaia DR2 2375215565792552064
HIC 2579 RAVE J003244.1-132913 TIC 423663684 Gaia DR3 2375215565792552064

References (45 between 1850 and 2026) (Total 45)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
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Collections of Measurements Description of Measurements

Velocities : 3    Distance : 3    Var : 2    Fe/H : 2    Plx : 5    PM : 4    SpT : 3   

   

External archives :

Link by name to the catalogue in VizieR :

HD 2957 BD-14 83 GSC 05271-00306 HIC 2579 HIP 2579
2MASS J00324409-1329134 PPM 208945 RAVE J003244.1-132914 RAVE J003244.1-132913 SAO 147330
TYC 5271-306-1 uvby98 100002957 YZC 11 143 Gaia DR2 2375215565792552064 Gaia DR3 2375215565792552064

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