21406+5423 BKO 899
21h 40m 35.42s +54° 22' 48.6" P.A. 154.00 sep 7.5 mag 13.95,13.98
| Coord 2000 |
21406+5423 |
|
Discov num |
BKO 899 |
|
Comp |
|
|
Coord arcsec 2000 |
21 40 35.42 +54 22 48.6 |
|
| Date first |
2000 |
|
Date last |
2014 |
|
Obs |
6 |
|
| Pa first |
154 |
|
Pa last |
153.5 |
|
P.A. Now (θ) |
153.5° |
|
| Sep first |
7.5 |
|
Sep last |
7.453 |
|
Sep. Now (ρ) |
7.453" |
|
| Mag pri |
13.95 |
|
Mag sec |
13.98 |
|
delta mag (ΔM) |
0.03 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2174336440683097344 |
|
