12492+2147 STF 1680
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 |
|
|
Coord arcsec 2000 |
12 49 12.97 +21 46 30.0 |
|
Date first |
1830 |
|
Date last |
2015 |
|
Obs |
21 |
|
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.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Coma Berenices |
|
Tycho2 |
1455-00878-1 |
|
Gaia DR2 |
3955040601825164672 |
|