20311+1600 BPM 2181
20h 31m 08.70s +16° 00' 02.2" P.A. 57.00 sep 94.1 mag 13.84,15.42
Coord 2000 |
20311+1600 |
|
Discov num |
BPM2181 |
|
Comp |
|
|
Coord arcsec 2000 |
20 31 08.70 +16 00 02.2 |
|
Date first |
1993 |
|
Date last |
2015 |
|
Obs |
9 |
|
Pa first |
57 |
|
Pa last |
56.7 |
|
P.A. Now (θ) |
56.7° |
|
Sep first |
94.1 |
|
Sep last |
94.141 |
|
Sep. Now (ρ) |
94.141" |
|
Mag pri |
13.84 |
|
Mag sec |
15.42 |
|
delta mag (ΔM) |
1.58 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-006 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.833
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1811592676899750016 |
|