20442+1731 BPM 2241
20h 44m 12.86s +17° 30' 39.9" P.A. 344.00 sep 107.2 mag 15.74,15.74
| Coord 2000 |
20442+1731 |
|
Discov num |
BPM2241 |
|
Comp |
|
|
Coord arcsec 2000 |
20 44 12.86 +17 30 39.9 |
|
| Date first |
1990 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
344 |
|
Pa last |
344.3 |
|
P.A. Now (θ) |
344.3° |
|
| Sep first |
106.4 |
|
Sep last |
107.188 |
|
Sep. Now (ρ) |
107.188" |
|
| Mag pri |
15.74 |
|
Mag sec |
15.74 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-035 |
|
Sec motion dec |
+000 |
|
| Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.996
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1811475441471023232 |
|