21553+2850 COU 836

 
 
21h 55m 20.25s +28 49' 35.5" P.A. 161 sep 1.3 mag 11.54,11.66 Sp F5
 
 
Coord 2000
21553+2850
Discov num
COU 836
Comp
Coord arcsec 2000
21 55 20.25 +28 49 35.5
Date first
1972
Date last
2015
Obs
7
Pa first
156
Pa last
161
P.A. Now (θ)
161°
Sep first
0.9
Sep last
1.3
Sep. Now (ρ)
1.3"
Mag pri
11.54
Mag sec
11.66
delta mag (ΔM)
0.12
Spectral class
F5 (yellow-white)
Pri motion ra
-008
Sec motion ra
-008
Pri motion dec
-010
Sec motion dec
-010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
160.8
Precise sep
1.255
Constellation
Pegasus
Tycho2
2215-01382-1
Gaia DR2
24862092160
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21553+2850 COU 836 2001 6 162 1.2 11.54 11.66 F5 215520.25+284935.5
21553+2850 COU 836 2015 7 161 1.3 11.54 11.66 F5 215520.25+284935.5

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