20381+2953 A   744

 
 
20h 38m 07.95s +29 52' 58.8" P.A. 272 sep 0.7 mag 9.68,9.89 Sp F0
 
 
Coord 2000
20381+2953
Discov num
A   744
Comp
Coord arcsec 2000
20 38 07.95 +29 52 58.8
Date first
1904
Date last
2016
Obs
38
Pa first
269
Pa last
272
P.A. Now (θ)
272°
Sep first
0.6
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
9.68
Mag sec
9.89
delta mag (ΔM)
0.21
Spectral class
F0 (yellow-white)
Pri motion ra
-004
Sec motion ra
-004
Pri motion dec
-009
Sec motion dec
-009
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272.3
Precise sep
0.74
Constellation
Cygnus
SAO
88935
Tycho2
2169-00847-1
Gaia DR2
60061268480
HD
334812
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20381+2953 A 744 1999 36 274 0.7 9.68 9.89 F0 203807.95+295258.8
20381+2953 A 744 2007 38 273 0.7 9.68 9.89 F0 203807.95+295258.8
20381+2953 A 744 2009 39 273 0.7 9.68 9.89 F0 203807.95+295258.8
20381+2953 A 744 2016 37 272 0.7 9.68 9.89 F0 203807.95+295258.8

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