BD+21 2457

Query : BD+21 2457

Basic data :
BD+21 2457 -- delta Sct Variable
Other object types: otypes_help 		* (BD,AG,...), dS* (2011A&A), Pe* (2022ApJS), V* (1SWASP), UV (FAUST), NIR (2MASS), Opt (LAMOST)
ICRS coord. (ep=J2000) : 		12 48 16.4187708456 +20 52 45.666920532 (Optical) [ 0.1059 0.0739 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		12 45 47.8693762702 +21 09 08.186672921 [ 0.1059 0.0739 90 ]
Gal coord. (ep=J2000) : 		296.1707724101657 +83.7095184308813 [ 0.1059 0.0739 90 ]
Proper motions mas/yr : 		5.930 -28.940 [0.145 0.133 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -43.02 [0.84] / z(spectroscopic) -0.000143 [0.000003] / cz -43.02 [0.84]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		3.0979 [0.1316] A 2020yCat.1350....0G
Spectral type: 		kA2hA5mF0 C 2022ApJS..259...63S
Fluxes (6) :
B 10.41 [~] E ~
V 10.03 [~] E ~
G 10.020260 [0.002926] C 2020yCat.1350....0G
J 9.382 [0.024] C 2003yCat.2246....0C
H 9.276 [0.033] C 2003yCat.2246....0C
K 9.163 [0.021] C 2003yCat.2246....0C
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Identifiers (20) :
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BD+21 2457 GSC 01455-00869 SAO 82503 UBV M 1087
AG+21 1319 LAMOST J124816.59+205245.6 1SWASP J124816.41+205245.6 uvby98 002102457
FAUST NGP-75 2MASS J12481641+2052456 TIC 409345097 YZ 21 4610
FAUST 3485 PPM 102164 TYC 1455-869-1 Gaia DR2 3954409585229559168
GEN# +0.02102457 Renson 32340 UBV 11506 Gaia DR3 3954409585229559168

References (21 between 1850 and 2026) (Total 21)
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 : 1    Distance : 2    Var : 1    Fe/H : 1    Plx : 2    PM : 2    SpT : 2   

   

External archives :

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

Link by name to the catalogue in VizieR :

BD+21 2457 AG+21 1319 FAUST NGP-75 FAUST 3485 GSC 01455-00869
2MASS J12481641+2052456 PPM 102164 SAO 82503 TYC 1455-869-1 uvby98 002102457
Gaia DR2 3954409585229559168 Gaia DR3 3954409585229559168

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