12156+1454 HJ 3337

 
 
12h 15m 34.57s +14 54' 09.8" P.A. 170 sep 40.9 mag 11.58,13.62 Sp F8
 
 
Coord 2000
12156+1454
Discov num
HJ 3337
Comp
Coord arcsec 2000
12 15 34.57 +14 54 09.8
Date first
1876
Date last
2013
Obs
6
Pa first
150
Pa last
170
P.A. Now (θ)
170°
Sep first
10.0
Sep last
40.9
Sep. Now (ρ)
40.9"
Mag pri
11.58
Mag sec
13.62
delta mag (ΔM)
2.04
Spectral class
F8 (yellow-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
+002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.4
Precise sep
40.87
Constellation
Coma Berenices
Tycho2
0879-00792-1
last precise pa
170.4
last precise sep
40.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12156+1454 HJ 3337 2006 3 170 38.7 11.59 13.60 D 121534.57+145409.8
12156+1454 HJ 3337 2013 5 170 40.9 11.58 13.62 F8 121534.57+145409.8

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