12492+2147 STF1680

 
 
12h 49m 12.97s +21 46' 30.0" P.A. 336 sep 3 mag 9.40,11.60 Sp G0
 
 
Coord 2000
12492+2147
Discov num
STF1680
Comp
Coord arcsec 2000
12 49 12.97 +21 46 30.0
Date first
1830
Date last
2012
Obs
19
Pa first
341
Pa last
336
P.A. Now (θ)
336°
Sep first
3.0
Sep last
3.0
Sep. Now (ρ)
3"
Mag pri
9.40
Mag sec
11.60
delta mag (ΔM)
2.2
Spectral class
G0 (yellow)
Pri motion ra
-090
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.7
Precise sep
2.95
Constellation
Coma Berenices
SAO
82514
Tycho2
1455-00878-1
last precise pa
335.7
last precise sep
2.95
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12492+2147 STF1680 2002 18 338 3.0 9.40 11.60 G0 124912.97+214630.0
12492+2147 STF1680 2012 19 336 2.8 9.40 11.60 G0 124912.97+214630.0

If you need more information about this double, apply for a data request form to the WDS.