20108+2029 HDS2875

 
 
20h 10m 45.15s +20 29' 12.7" P.A. 235 sep 0.3 mag 7.61,9.46 Sp B8 dist. 452.49 pc (1476.02 l.y.)
 
 
Coord 2000
20108+2029
Discov num
HDS2875
Comp
Coord arcsec 2000
20 10 45.15 +20 29 12.7
Date first
1991
Date last
1997
Obs
2
Pa first
231
Pa last
235
P.A. Now (θ)
235°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
7.61
Mag sec
9.46
delta mag (ΔM)
1.85
Spectral class
B8 (blue-white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
234.8
Precise sep
0.272
Constellation
Sagitta
SAO
88299
HIP
99421
Tycho2
1626-00634-1
Gaia DR2
77784480128
HD
191721
BD
BD+20 4461
Distance
452.49
Distance ly
1476.02
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20108+2029 HDS2875 1997 2 235 0.3 7.61 9.46 B8 201045.15+202912.7

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