20556+1744 BPM 2297
20h 55m 33.21s +17° 43' 53.1" P.A. 91.00 sep 30.5 mag 14.04,15.05
| Coord 2000 |
20556+1744 |
|
Discov num |
BPM2297 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 33.21 +17 43 53.1 |
|
| Date first |
1995 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
91 |
|
Pa last |
91.3 |
|
P.A. Now (θ) |
91.3° |
|
| Sep first |
30.7 |
|
Sep last |
30.526 |
|
Sep. Now (ρ) |
30.526" |
|
| Mag pri |
14.04 |
|
Mag sec |
15.05 |
|
delta mag (ΔM) |
1.01 |
|
Spectral class |
|
|
| Pri motion ra |
-023 |
|
Sec motion ra |
-027 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-021 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.236 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1764774166116617856 |
|
