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
Cdsa2 id
STF 1680
Constellation
Coma Berenices
SAO
82514
Tycho2
1455-00878-1
Ra deg
12.820269444444444
De deg
21.775
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

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