BD+44 3581

Query : BD+44 3581

Basic data :
BD+44 3581 -- Star
Other object types: otypes_help 		* (2022ApJS,BD,...), NIR (2MASS)
ICRS coord. (ep=J2000) : 		20 47 43.9113165312 +44 51 59.638226940 (Optical) [ 0.0121 0.0132 90 ] A 2020yCat.1350....0G
FK4 coord. (ep=B1950 eq=1950) : 		20 45 59.5785726623 +44 40 52.557166607 [ 0.0121 0.0132 90 ]
Gal coord. (ep=J2000) : 		084.6509711924246 +00.8687347954376 [ 0.0121 0.0132 90 ]
Proper motions mas/yr : 		6.545 5.251 [0.017 0.016 90] A 2020yCat.1350....0G
Radial velocity / Redshift / cz : 		V(km/s) -32 [20] / z(~) -0.000107 [0.000067] / cz -32.00 [20.00]
   E 1979IAUS...30...57E
Parallaxes (mas): 		3.0417 [0.0149] A 2020yCat.1350....0G
Spectral type: 		A7V C ~
Fluxes (6) :
B 9.40 [0.02] D 2000A&A...355L..27H
V 9.17 [0.02] D 2000A&A...355L..27H
G 9.138699 [0.002769] C 2020yCat.1350....0G
J 8.646 [0.030] C 2003yCat.2246....0C
H 8.647 [0.031] C 2003yCat.2246....0C
K 8.540 [0.020] C 2003yCat.2246....0C
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Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 1 : 19 Display criteria :

Identifiers (12) :
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BD+44 3581 GSC 03178-00149 SAO 50068 [SMV89] 96
AG+44 1829 2MASS J20474390+4451595 TIC 366941241 Gaia DR2 2067149931160896128
GCRV 71478 PPM 60475 TYC 3178-149-1 Gaia DR3 2067149931160896128

References (7 between 1850 and 2026) (Total 7)
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 : 2    Distance : 2    Plx : 2    PM : 3    SpT : 2   

   

External archives :

Link by name to the catalogue in VizieR :

BD+44 3581 AG+44 1829 GSC 03178-00149 2MASS J20474390+4451595 PPM 60475
SAO 50068 TYC 3178-149-1 Gaia DR2 2067149931160896128 Gaia DR3 2067149931160896128

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