21457+2708 BKO 633
21h 45m 43.38s +27° 07' 43.9" P.A. 18.00 sep 7.4 mag 12.80,15.10
Coord 2000 |
21457+2708 |
|
Discov num |
BKO 633 |
|
Comp |
|
|
Coord arcsec 2000 |
21 45 43.38 +27 07 43.9 |
|
Date first |
1997 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
19 |
|
Pa last |
17.6 |
|
P.A. Now (θ) |
17.6° |
|
Sep first |
7.3 |
|
Sep last |
7.381 |
|
Sep. Now (ρ) |
7.381" |
|
Mag pri |
12.80 |
|
Mag sec |
15.10 |
|
delta mag (ΔM) |
2.3 |
|
Spectral class |
|
|
Pri motion ra |
-008 |
|
Sec motion ra |
|
|
Pri motion dec |
-012 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Pegasus |
|
Gaia DR2 |
1800120475651877888 |
|