21196+4913 YR 29 (HD 203284)
21h 19m 36.00s +49° 13' 16.3" P.A. 124.00 sep 0.2 mag 7.77,10.78 Sp G5 dist. 90.42 pc (294.95 l.y.)
| Coord 2000 |
21196+4913 |
|
Discov num |
YR 29 |
|
Comp |
|
|
Coord arcsec 2000 |
21 19 36.00 +49 13 16.3 |
|
| Date first |
2000 |
|
Date last |
2014 |
|
Obs |
10 |
|
| Pa first |
143 |
|
Pa last |
124.4 |
|
P.A. Now (θ) |
124.4° |
|
| Sep first |
0.3 |
|
Sep last |
0.19 |
|
Sep. Now (ρ) |
0.19" |
|
| Mag pri |
7.77 |
|
Mag sec |
10.78 |
|
delta mag (ΔM) |
3.01 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-071 |
|
Sec motion ra |
|
|
| Pri motion dec |
-081 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 203284 |
|
Constellation |
Cygnus |
|
SAO |
50717 |
|
HIP |
105290 |
|
| Tycho2 |
3597-01243-1 |
|
Gaia DR2 |
2165078243535669888 |
|
HD |
203284 |
|
BD |
BD+48 3346 |
|
| Distance |
90.42 |
|
Distance ly |
294.95 |
|
