21242+4801 SKF 2397
21h 24m 12.51s +48° 00' 39.9" P.A. 246.00 sep 2.8 mag 12.50,13.30 Sp OB
| Coord 2000 |
21242+4801 |
|
Discov num |
SKF2397 |
|
Comp |
|
|
Coord arcsec 2000 |
21 24 12.51 +48 00 39.9 |
|
| Date first |
2001 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
243 |
|
Pa last |
245.6 |
|
P.A. Now (θ) |
245.6° |
|
| Sep first |
2.7 |
|
Sep last |
2.791 |
|
Sep. Now (ρ) |
2.791" |
|
| Mag pri |
12.50 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
OB (blue) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+015 |
|
| Pri motion dec |
+003 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.767
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2164725643901843840 |
|
