20203+2350 BKO 643
20h 20m 21.29s +23° 50' 42.8" P.A. 147.00 sep 2.5 mag 13.50,14.00
| Coord 2000 |
20203+2350 |
|
Discov num |
BKO 643 |
|
Comp |
|
|
Coord arcsec 2000 |
20 20 21.29 +23 50 42.8 |
|
| Date first |
2008 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
146 |
|
Pa last |
147.3 |
|
P.A. Now (θ) |
147.3° |
|
| Sep first |
2.0 |
|
Sep last |
2.492 |
|
Sep. Now (ρ) |
2.492" |
|
| Mag pri |
13.50 |
|
Mag sec |
14.00 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-045 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Gaia DR2 |
1831871794496087680 |
|
