20157+1534 BKO 547
20h 15m 43.36s +15° 34' 19.6" P.A. 91.00 sep 4.4 mag 13.50,14.00
| Coord 2000 |
20157+1534 |
|
Discov num |
BKO 547 |
|
Comp |
|
|
Coord arcsec 2000 |
20 15 43.36 +15 34 19.6 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
90 |
|
Pa last |
90.5 |
|
P.A. Now (θ) |
90.5° |
|
| Sep first |
4.4 |
|
Sep last |
4.437 |
|
Sep. Now (ρ) |
4.437" |
|
| Mag pri |
13.50 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-026 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1808423953112128000 |
|
