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
SAO
3601
HIP
106030
Tycho2
4657-00215-1
HD
207779
BD
BD+86 324
Distance
294.99
Distance ly
962.26
 
 
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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