LS IV +00 21

Query : LS IV +00 21

Basic data :
LS IV +00 21 -- Hot Subdwarf
Other object types: otypes_help 		* (TYC,ALS,...), blu (2019A&A), UV (Balloon,GALEX), HS* (1991A&A), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 31 18.2843441232 +01 05 25.856083464 (Optical) [ 0.0422 0.0286 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 28 45.3552557574 +00 55 16.346788301 [ 0.0422 0.0286 90 ]
Gal coord. (ep=J2000) : 		045.9387586189485 -21.5251842245903 [ 0.0422 0.0286 90 ]
Proper motions mas/yr : 		24.097 -14.767 [0.068 0.045 90] A 2020yCat.1350....0G
Parallaxes (mas): 		2.7448 [0.0521] A 2020yCat.1350....0G
Spectral type: 		sdB D 1991A&A...250..370B
Fluxes (7) :
U 11.03 [~] D 2003AJ....125.2531R
B 12.45 [0.18] D 2000A&A...355L..27H
V 12.82 [0.29] D 2000A&A...355L..27H
G 12.390131 [0.002792] C 2020yCat.1350....0G
J 12.95 [0.026] C 2003yCat.2246....0C
H 13.065 [0.033] C 2003yCat.2246....0C
K 13.166 [0.047] C 2003yCat.2246....0C
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Identifiers (11) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

TYC 510-316-1 CSI+00-20288 2MASS J20311828+0105257 Gaia DR3 4230753789714485376
ALS 11394 GALEX J203118.5+010527 TIC 375769526 Gaia DR2 4230753789714485376
Balloon 90600002 LS IV +00 21 uvby98 804000021

References (19 between 1850 and 2026) (Total 19)
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 : 2    Plx : 2    PM : 2    SpT : 2   

   

Observing logs
IUE : 3   

   

External archives :

Archive data at HEASARC - High-Energy Astrophysics Science Archive Research Center

Link by name to the catalogue in VizieR :

TYC 510-316-1 ALS 11394 GALEX J203118.5+010527 LS IV +00 21 2MASS J20311828+0105257
uvby98 804000021 Gaia DR3 4230753789714485376 Gaia DR2 4230753789714485376

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