HD 228721

Query : HD 228721

Basic data :
HD 228721 -- Star
Other object types: otypes_help 		* (HD,AG,...), RG* (2021ApJ), V* (NSV), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 16 52.8482261520 +37 31 04.714995648 (Optical) [ 0.0118 0.0157 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 15 01.3735911392 +37 21 44.537281985 [ 0.0118 0.0157 90 ]
Gal coord. (ep=J2000) : 		075.2998179472723 +01.1792938399549 [ 0.0118 0.0157 90 ]
Proper motions mas/yr : 		25.965 -0.518 [0.015 0.019 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -46.12 [0.16] / z(spectroscopic) -0.000154 [0.000001] / cz -46.12 [0.16]
   (Opt) A 2018yCat.1345....0G
Parallaxes (mas): 		3.7673 [0.0161] A 2020yCat.1350....0G
Spectral type: 		G9.5IIIb C 1989ApJS...71..245K
Fluxes (6) :
B 9.74 [~] E ~
V 8.59 [~] E ~
G 8.225104 [0.002760] C 2020yCat.1350....0G
J 6.605 [0.021] C 2003yCat.2246....0C
H 6.065 [0.016] C 2003yCat.2246....0C
K 5.953 [0.017] C 2003yCat.2246....0C
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Identifiers (20) :
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HD 228721 GEN# +3.49960057 PPM 84614 uvby98 003703865
AG+37 1947 GSC 03151-00943 SAO 69750 WEB 17992
BD+37 3865 IC 4996 57 TIC 12018859 Gaia DR2 2060665733151845120
Cl* IC 4996 HOAG 2 2MASS J20165284+3731048 TYC 3151-943-1 Gaia DR3 2060665733151845120
GCRV 70814 NSV 25077 UBV M 39323 Gaia DR1 2060665728835473408

References (16 between 1850 and 2026) (Total 16)
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 : 4    Distance : 2    Plx : 3    PM : 2    SpT : 6   

   

External archives :

Link by name to the catalogue in VizieR :

HD 228721 AG+37 1947 BD+37 3865 GSC 03151-00943 2MASS J20165284+3731048
NSV 25077 PPM 84614 SAO 69750 TYC 3151-943-1 uvby98 003703865
Gaia DR2 2060665733151845120 Gaia DR3 2060665733151845120 Gaia DR1 2060665728835473408

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