12207+2703 STF1633

 
 
12h 20m 41.37s +27 03' 16.4" P.A. 245 sep 8.9 mag 7.04,7.13 Sp F3V+F3V dist. 91.83 pc (299.55 l.y.)
 
 
Coord 2000
12207+2703
Discov num
STF1633
Comp
Coord arcsec 2000
12 20 41.37 +27 03 16.4
Date first
1820
Date last
2017
Obs
111
Pa first
242
Pa last
245
P.A. Now (θ)
245°
Sep first
8.0
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
7.04
Mag sec
7.13
delta mag (ΔM)
0.09
Spectral class
F3V+F3V (yellow-white/yellow-white)
Pri motion ra
+009
Sec motion ra
+009
Pri motion dec
-120
Sec motion dec
-120
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
245.3
Precise sep
8.885
Constellation
Coma Berenices
SAO
82254
HIP
60197
Tycho2
1991-01898-1
HD
107398
HR
4698
BD
BD+27 2115
Distance
91.83
Distance ly
299.55
last precise pa
245.3
last precise sep
8.885
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12207+2703 STF1633 2007 94 246 8.9 7.04 7.13 F3V+F3V N D 122041.37+270316.4
12207+2703 STF1633 2012 99 244 9.0 7.04 7.13 F3V F3V N D 122041.37+270316.4
12207+2703 STF1633 2014 104 245 8.7 7.04 7.13 F3V F3V N D 122041.37+270316.4
12207+2703 STF1633 2017 111 245 8.9 7.04 7.13 F3V+F3V N 122041.37+270316.4

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