21138+2329 BKO 889
21h 13m 47.35s +23° 28' 59.5" P.A. 13.00 sep 7.3 mag 15.10,15.40
| Coord 2000 |
21138+2329 |
|
Discov num |
BKO 889 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 47.35 +23 28 59.5 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
13 |
|
Pa last |
13 |
|
P.A. Now (θ) |
13° |
|
| Sep first |
7.3 |
|
Sep last |
7.251 |
|
Sep. Now (ρ) |
7.251" |
|
| Mag pri |
15.10 |
|
Mag sec |
15.40 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-035 |
|
Sec motion dec |
+024 |
|
| Notes |
|
|
rPM=1.693
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1839972068442076672 |
|
