12492+2147 STF 1680 AB
12h 49m 12.97s +21° 46' 30.0" P.A. 335.00 sep 2.9 mag 9.40,11.60 Sp G0
| Coord 2000 |
12492+2147 |
|
Discov num |
STF1680 |
|
Comp |
AB |
|
Coord arcsec 2000 |
12 49 12.97 +21 46 30.0 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
23 |
|
| Pa first |
341 |
|
Pa last |
335.3 |
|
P.A. Now (θ) |
335.3° |
|
| Sep first |
3.0 |
|
Sep last |
2.94 |
|
Sep. Now (ρ) |
2.94" |
|
| 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.
12492+2147 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
12 49 13 +21 46 30 |
STF 1680 Aa,Ab |
2015 |
2 |
35 |
0.3 |
9.40 |
|
|
|
|
| Show |
|
|
12 49 13 +21 46 30 |
STF 1680 AB |
2015 |
23 |
335 |
2.9 |
9.40 |
11.60 |
2.20 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Coma Berenices |
|
SAO |
82514 |
|
GC |
17407 |
|
