20313+0020 BAL 923

 
 
20h 31m 21.02s +00 20' 10.0" P.A. 146.00 sep 3.5 mag 10.20,10.30 Sp K2
 
 
Coord 2000
20313+0020
Discov num
BAL 923
Comp
Coord arcsec 2000
20 31 21.02 +00 20 10.0
Date first
1895
Date last
1895
Obs
1
Pa first
146
Pa last
146
P.A. Now (θ)
146°
Sep first
3.5
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.20
Mag sec
10.30
delta mag (ΔM)
0.1
Spectral class
K2 (yellow-orange)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-012
Sec motion dec
Notes
X (Dubious double)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146.2
Precise sep
3.505
Constellation
Aquila
SAO
125890
Gaia DR2
96594896768
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20313+0020 BAL 923 1895 1 146 3.5 10.20 10.30 203121.02+002010.0

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