21046+5224 STF 2757 (HD 200943)
21h 04m 34.72s +52° 23' 59.2" P.A. 264.00 sep 1.9 mag 7.82,9.24 Sp B9.5V dist. 227.79 pc (743.05 l.y.)
| Coord 2000 |
21046+5224 |
|
Discov num |
STF2757 |
|
Comp |
|
|
Coord arcsec 2000 |
21 04 34.72 +52 23 59.2 |
|
| Date first |
1831 |
|
Date last |
2016 |
|
Obs |
29 |
|
| Pa first |
273 |
|
Pa last |
263.8 |
|
P.A. Now (θ) |
263.8° |
|
| Sep first |
1.9 |
|
Sep last |
1.914 |
|
Sep. Now (ρ) |
1.914" |
|
| Mag pri |
7.82 |
|
Mag sec |
9.24 |
|
delta mag (ΔM) |
1.42 |
|
Spectral class |
B9.5V (blue-white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
+008 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 200943 |
|
Constellation |
Cygnus |
|
SAO |
33110 |
|
HIP |
104032 |
|
| Tycho2 |
3600-00352-1 |
|
Gaia DR2 |
2170325177440567168 |
|
HD |
200943 |
|
GC |
29455 |
|
| BD |
BD+51 2991 |
|
Distance |
227.79 |
|
Distance ly |
743.05 |
|
