21079+3324 TRN 31
21h 07m 55.41s +33° 23' 49.3" P.A. 221.00 sep 6.1 mag 7.75,17.00 Sp O9.5V dist. 909.09 pc (2965.45 l.y.)
| Coord 2000 |
21079+3324 |
|
Discov num |
TRN 31 |
|
Comp |
|
|
Coord arcsec 2000 |
21 07 55.41 +33 23 49.3 |
|
| Date first |
1999 |
|
Date last |
2012 |
|
Obs |
3 |
|
| Pa first |
221 |
|
Pa last |
221.1 |
|
P.A. Now (θ) |
221.1° |
|
| Sep first |
7.4 |
|
Sep last |
6.139 |
|
Sep. Now (ρ) |
6.139" |
|
| Mag pri |
7.75 |
|
Mag sec |
17.00 |
|
delta mag (ΔM) |
9.25 |
|
Spectral class |
O9.5V (blue) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
|
|
| Pri motion dec |
-008 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
70953 |
|
HIP |
104316 |
|
Tycho2 |
2705-00460-1 |
|
| Gaia DR2 |
1865519977036620544 |
|
HD |
201345 |
|
BD |
BD+32 4060 |
|
Distance |
909.09 |
|
| Distance ly |
2965.45 |
|
