12015+3444 HDS1689

 
 
12h 01m 28.22s +34 44' 08.1" P.A. 77 sep 0.1 mag 9.91,10.40 Sp F8 dist. 198.81 pc (648.52 l.y.)
 
 
Coord 2000
12015+3444
Discov num
HDS1689
Comp
Coord arcsec 2000
12 01 28.22 +34 44 08.1
Date first
1991
Date last
2012
Obs
3
Pa first
17
Pa last
77
P.A. Now (θ)
77°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.91
Mag sec
10.40
delta mag (ΔM)
0.49
Spectral class
F8 (yellow-white)
Pri motion ra
+003
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
77.4
Precise sep
0.08
Constellation
Ursa Major
SAO
62801
HIP
58640
Tycho2
2529-00368-1
BD
BD+35 2302
Distance
198.81
Distance ly
648.52
last precise pa
77.4
last precise sep
0.08
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12015+3444 HDS1689 1991 1 17 0.2 9.91 10.40 F8 120128.22+344408.1
12015+3444 HDS1689 2012 3 77 0.1 9.91 10.40 F8 120128.22+344408.1

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