21285+8700 HDS3057

 
 
21h 28m 32.54s +87 00' 06.2" P.A. 278 sep 0.4 mag 8.51,11.96 Sp A2 dist. 294.99 pc (962.26 l.y.)
 
 
Coord 2000
21285+8700
Discov num
HDS3057
Comp
Coord arcsec 2000
21 28 32.54 +87 00 06.2
Date first
1991
Date last
1991
Obs
1
Pa first
278
Pa last
278
P.A. Now (θ)
278°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.51
Mag sec
11.96
delta mag (ΔM)
3.45
Spectral class
A2 (white)
Pri motion ra
+014
Sec motion ra
Pri motion dec
+017
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278
Precise sep
0.415
Constellation
Ursa Minor
HIP
106030
HD
207779
Distance
294.99
Distance ly
962.26
last precise pa
278
last precise sep
0.415
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21285+8700 HDS3057 1991 1 278 0.4 8.51 11.96 A2 D 212832.54+870006.2

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