21566+0633 HU  381

 
 
21h 56m 33.16s +06 32' 30.8" P.A. 232 sep 0.2 mag 10.40,10.50 Sp F2
 
 
Coord 2000
21566+0633
Discov num
HU  381
Comp
Coord arcsec 2000
21 56 33.16 +06 32 30.8
Date first
1901
Date last
2009
Obs
10
Pa first
42
Pa last
232
P.A. Now (θ)
232°
Sep first
0.5
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
10.40
Mag sec
10.50
delta mag (ΔM)
0.1
Spectral class
F2 (yellow-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
231.9
Precise sep
0.229
Constellation
Pegasus
Tycho2
0557-00868-1
last precise pa
231.9
last precise sep
0.229
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21566+0633 HU 381 1979 9 224 0.3 10.40 10.50 F2 215633.16+063230.8
21566+0633 HU 381 2009 10 232 0.2 10.40 10.50 F2 215633.16+063230.8

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