BD+30 4282

Query : BD+30 4282

Basic data :
BD+30 4282 -- Emission-line Star
Other object types: otypes_help 		* (BD,ALS,...), Em* (HBHA,Hen,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		21 01 09.5373179760 +31 17 10.789664748 (Optical) [ 0.0085 0.0109 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 59 04.3607238712 +31 05 22.203884120 [ 0.0085 0.0109 90 ]
Gal coord. (ep=J2000) : 		075.8693223747357 -09.8501950251547 [ 0.0085 0.0109 90 ]
Proper motions mas/yr : 		-4.731 -7.736 [0.011 0.014 90] A 2020yCat.1350....0G
Parallaxes (mas): 		0.2406 [0.015] A 2020yCat.1350....0G
Spectral type: 		B D ~
Fluxes (6) :
B 9.96 [0.02] D 2000A&A...355L..27H
V 9.86 [0.02] D 2000A&A...355L..27H
G 9.714625 [0.002949] C 2020yCat.1350....0G
J 9.152 [0.046] C 2003yCat.2246....0C
H 9.145 [0.032] C 2003yCat.2246....0C
K 8.851 [0.020] C 2003yCat.2246....0C
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Identifiers (13) :
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BD+30 4282 Hen 3-1925 TYC 2701-1594-1 Gaia DR1 1864709323424879744
ALS 11676 LS II +31 37 [KW97] 54-16
GSC 02701-01594 2MASS J21010953+3117107 Gaia DR2 1864709327731338880
HBHA 3205-02 TIC 428636170 Gaia DR3 1864709327731338880

References (13 between 1850 and 2026) (Total 13)
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 : 1    Plx : 3    PM : 2    SpT : 1   

   

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BD+30 4282 ALS 11676 GSC 02701-01594 LS II +31 37 2MASS J21010953+3117107
TYC 2701-1594-1 Gaia DR2 1864709327731338880 Gaia DR3 1864709327731338880 Gaia DR1 1864709323424879744

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