HD 228684

Query : HD 228684

Basic data :
HD 228684 -- Emission-line Star
Other object types: otypes_help 		* (HD,ALS,...), Em* (EM*), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 16 30.3694005120 +35 06 31.312364292 (Optical) [ 0.0082 0.0097 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 14 35.4716297213 +34 57 12.736833820 [ 0.0082 0.0097 90 ]
Gal coord. (ep=J2000) : 		073.2598005379731 -00.1049124551129 [ 0.0082 0.0097 90 ]
Proper motions mas/yr : 		-0.718 -3.481 [0.011 0.012 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.5278 [0.0117] A 2020yCat.1350....0G
Spectral type: 		B3II C ~
Fluxes (7) :
U 10.53 [~] D 2003AJ....125.2531R
B 10.65 [~] E ~
V 9.94 [~] E ~
G 9.682258 [0.002768] C 2020yCat.1350....0G
J 8.353 [0.029] C 2003yCat.2246....0C
H 8.233 [0.040] C 2003yCat.2246....0C
K 8.090 [0.018] C 2003yCat.2246....0C
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Identifiers (16) :
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HD 228684 GEN# +1.00228684 2MASS J20163038+3506313 UBV M 27617
ALS 11051 GSC 02680-01258 TIC 202681485 Gaia DR2 2055815959155300992
BD+34 3952 Hilt 906 TYC 2680-1258-1 Gaia DR3 2055815959155300992
EM* CDS 1145 LS II +34 18 UBV 17560 Gaia DR1 2055815954849274112

References (14 between 1850 and 2026) (Total 14)
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 : 3    PM : 2    SpT : 5   

   

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Link by name to the catalogue in VizieR :

HD 228684 ALS 11051 BD+34 3952 GSC 02680-01258 LS II +34 18
2MASS J20163038+3506313 TYC 2680-1258-1 Gaia DR2 2055815959155300992 Gaia DR3 2055815959155300992 Gaia DR1 2055815954849274112

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