21381+2339 BKO 490
21h 38m 08.43s +23° 39' 19.3" P.A. 104.00 sep 5.0 mag 13.00,14.00
| Coord 2000 |
21381+2339 |
|
Discov num |
BKO 490 |
|
Comp |
|
|
Coord arcsec 2000 |
21 38 08.43 +23 39 19.3 |
|
| Date first |
2000 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
109 |
|
Pa last |
103.7 |
|
P.A. Now (θ) |
103.7° |
|
| Sep first |
4.9 |
|
Sep last |
5.011 |
|
Sep. Now (ρ) |
5.011" |
|
| Mag pri |
13.00 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Gaia DR2 |
1797522707631884416 |
|
