Ross 21

Query : Ross 21

Basic data :
Ross 21 -- High Proper Motion Star
Other object types: otypes_help 		PM* (2013MNRAS,LHS,...), * (CNS5,CSI,...), NIR (2MASS), MIR (WISEA)
ICRS coord. (ep=J2000) : 		02 31 27.6673147761 +57 22 43.160868517 (Optical) [ 0.0152 0.0178 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		02 27 43.9146470340 +57 09 26.455341615 [ 0.0152 0.0178 90 ]
Gal coord. (ep=J2000) : 		136.1213125974441 -02.9092202481420 [ 0.0152 0.0178 90 ]
Proper motions mas/yr : 		1115.719 11.127 [0.020 0.022 90] A 2020yCat.1350....0G
Parallaxes (mas): 		50.0054 [0.0239] A 2020yCat.1350....0G
Spectral type: 		dM4.0 C 2022ApJ...927..122H
Fluxes (6) :
B 14.73 [~] E ~
R 11.2 [~] E 2003AJ....125..984M
G 12.018761 [0.002790] C 2020yCat.1350....0G
J 9.218 [0.037] C 2003yCat.2246....0C
H 8.637 [0.057] C 2003yCat.2246....0C
K 8.418 [0.020] C 2003yCat.2246....0C
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Identifiers (25) :
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LHS 155 GJ 101 PLX 504.00 WISEA J023129.09+572243.3
Ci 20 169 LFT 214 PM 02277+5710 [RHG95] 447
CNS5 638 LSPM J0231+5722 PM J02314+5722 Gaia DR2 458018340407727104
CSI+57-02277 1 LTT 10837 Ross 21 Gaia DR3 458018340407727104
G 220-10 2MASS J02312765+5722432 TIC 444136855
G 246-2 NLTT 8168 USNO 407
G 174-1 PLX 504 USNO-B1.0 1473-00105418

References (34 between 1850 and 2026) (Total 34)
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

Distance : 3    Var : 1    Fe/H : 2    Plx : 7    PM : 10    SpT : 4   

   

External archives :

Link by name to the catalogue in VizieR :

LHS 155 G 220-10 G 246-2 G 174-1 GJ 101
LSPM J0231+5722 2MASS J02312765+5722432 NLTT 8168 PLX 504 USNO-B1.0 1473-00105418
WISEA J023129.09+572243.3 Gaia DR2 458018340407727104 Gaia DR3 458018340407727104

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