12493+2733 CHR 179 Aa,Ab (30 Com)
12h 49m 17.51s +27° 33' 08.4" P.A. 7.00 sep 0.3 mag 5.80, Sp A2V dist. 92.94 pc (303.17 l.y.)
| Coord 2000 |
12493+2733 |
|
Discov num |
CHR 179 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
12 49 17.51 +27 33 08.4 |
|
| Date first |
1988 |
|
Date last |
1988 |
|
Obs |
1 |
|
| Pa first |
7 |
|
Pa last |
6.8 |
|
P.A. Now (θ) |
6.8° |
|
| Sep first |
0.3 |
|
Sep last |
0.287 |
|
Sep. Now (ρ) |
0.287" |
|
| Mag pri |
5.80 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
A2V (white) |
|
| Pri motion ra |
-094 |
|
Sec motion ra |
|
|
| Pri motion dec |
+023 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
12493+2733 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
30 Com |
82515 |
12 49 18 +27 33 08 |
CHR 179 Aa,Ab |
1988 |
1 |
7 |
0.3 |
5.80 |
|
|
|
<=== |
| Show |
|
82515 |
12 49 18 +27 33 08 |
HJ 522 AB |
2015 |
7 |
26 |
42.5 |
5.80 |
13.45 |
7.65 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
30 Com |
|
Constellation |
Coma Berenices |
|
SAO |
82515 |
|
HIP |
62576 |
|
| Tycho2 |
1992-02215-1 |
|
Gaia DR2 |
3961830154846485760 |
|
HD |
111469 |
|
HR |
4869 |
|
| GC |
17410 |
|
ADS |
8674 |
|
BD |
BD+28 2153 |
|
Flamsteed |
30 Comae Berenices |
|
| Flamsteed name |
30 Com |
|
Distance |
92.94 |
|
Distance ly |
303.17 |
|
