21226+3158 DAL 15 AC
21h 22m 33.22s +31° 57' 39.0" P.A. 142.00 sep 8.3 mag 8.69,14.40 Sp F5
| Coord 2000 |
21226+3158 |
|
Discov num |
DAL 15 |
|
Comp |
AC |
|
Coord arcsec 2000 |
21 22 33.22 +31 57 39.0 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
144 |
|
Pa last |
141.9 |
|
P.A. Now (θ) |
141.9° |
|
| Sep first |
8.7 |
|
Sep last |
8.292 |
|
Sep. Now (ρ) |
8.292" |
|
| Mag pri |
8.69 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
5.71 |
|
Spectral class |
F5 (yellow-white) |
|
| Pri motion ra |
+010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-037 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
21226+3158 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 203613 |
71256 |
21 22 33 +31 57 39 |
HJ 1637 AB |
2015 |
15 |
104 |
13.4 |
8.69 |
11.70 |
3.01 |
|
|
| Show |
|
71256 |
21 22 33 +31 57 39 |
DAL 15 AC |
2015 |
8 |
142 |
8.3 |
8.69 |
14.40 |
5.71 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
71256 |
|
Tycho2 |
2707-00945-1 |
|
Gaia DR2 |
1853686654938686080 |
|
| HD |
203613 |
|
