15501+3046 HDS 2230 AB
15h 50m 03.50s +30° 45' 39.6" P.A. 313.00 sep 1.8 mag 10.27,13.79 Sp K2 dist. 404.86 pc (1320.65 l.y.)
| Coord 2000 |
15501+3046 |
|
Discov num |
HDS2230 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 50 03.50 +30 45 39.6 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
312 |
|
Pa last |
312.8 |
|
P.A. Now (θ) |
312.8° |
|
| Sep first |
1.8 |
|
Sep last |
1.807 |
|
Sep. Now (ρ) |
1.807" |
|
| Mag pri |
10.27 |
|
Mag sec |
13.79 |
|
delta mag (ΔM) |
3.52 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
Nature of this double is uncertain.
15501+3046 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
15 50 04 +30 45 40 |
GII 224 Aa,Ab |
2013 |
1 |
16 |
0.2 |
11.00 |
11.00 |
0.00 |
|
|
| Show |
|
|
15 50 04 +30 45 40 |
HDS 2230 AB |
2016 |
5 |
313 |
1.8 |
10.27 |
13.79 |
3.52 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Corona Borealis |
|
HIP |
77555 |
|
Tycho2 |
2572-00442-1 |
|
BD |
BD+31 2788 |
|
| Distance |
404.86 |
|
Distance ly |
1320.65 |
|