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
Cdsa2 id
HDS 1689
Constellation
Ursa Major
SAO
62801
HIP
58640
Tycho2
2529-00368-1
BD
BD+35 2302
Ra deg
12.024505555555557
De deg
34.73558333333333
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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