21385+4955 HLD 47
21h 38m 29.00s +49° 57' 42.0" P.A. 227.00 sep 6.4 mag 8.22,11.80 Sp K5
| Coord 2000 |
21385+4955 |
|
Discov num |
HLD 47 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 29.00 +49 57 42.0 |
|
| Date first |
1881 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
229 |
|
Pa last |
227.1 |
|
P.A. Now (θ) |
227.1° |
|
| Sep first |
6.6 |
|
Sep last |
6.35 |
|
Sep. Now (ρ) |
6.35" |
|
| Mag pri |
8.22 |
|
Mag sec |
11.80 |
|
delta mag (ΔM) |
3.58 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
-018 |
|
Sec motion ra |
|
|
| Pri motion dec |
+000 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3599-01038-1 |
|
Gaia DR2 |
1979119113249327872 |
|
