21431+2157 BRT 2499
21h 43m 06.40s +21° 57' 16.9" P.A. 206.00 sep 4.8 mag 10.00,10.80
| Coord 2000 |
21431+2157 |
|
Discov num |
BRT2499 |
|
Comp |
|
|
Coord arcsec 2000 |
21 43 06.40 +21 57 16.9 |
|
| Date first |
1938 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
188 |
|
Pa last |
206 |
|
P.A. Now (θ) |
206° |
|
| Sep first |
3.0 |
|
Sep last |
4.844 |
|
Sep. Now (ρ) |
4.844" |
|
| Mag pri |
10.00 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
|
|
| Pri motion ra |
+018 |
|
Sec motion ra |
|
|
| Pri motion dec |
+016 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
1677-01173-1 |
|
Gaia DR2 |
1793753066375416320 |
|
