12284+6528 HDS1756

 
 
12h 28m 23.43s +65 28' 25.3" P.A. 155 sep 0.2 mag 8.61,9.30 Sp F3V dist. 112.11 pc (365.7 l.y.)
 
 
Coord 2000
12284+6528
Discov num
HDS1756
Comp
Coord arcsec 2000
12 28 23.43 +65 28 25.3
Date first
1991
Date last
2012
Obs
6
Pa first
318
Pa last
155
P.A. Now (θ)
155°
Sep first
0.1
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.61
Mag sec
9.30
delta mag (ΔM)
0.69
Spectral class
F3V (yellow-white)
Pri motion ra
-057
Sec motion ra
Pri motion dec
+026
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.3
Precise sep
0.155
Constellation
Draco
SAO
15808
HIP
60858
Tycho2
4161-01055-1
HD
108649
BD
BD+66 761
Distance
112.11
Distance ly
365.7
last precise pa
155.3
last precise sep
0.155
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12284+6528 HDS1756 2004 2 325 0.2 8.61 9.30 F3V D 122823.43+652825.3
12284+6528 HDS1756 2007 4 144 0.2 8.61 9.30 F3V D 122823.43+652825.3
12284+6528 HDS1756 2012 6 155 0.2 8.61 9.30 F3V 122823.43+652825.3

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