20387+1139 GWP 2975
20h 38m 43.31s +11° 39' 07.0" P.A. 166.00 sep 5.8 mag 12.90,14.10
Coord 2000 |
20387+1139 |
|
Discov num |
GWP2975 |
|
Comp |
|
|
Coord arcsec 2000 |
20 38 43.31 +11 39 07.0 |
|
Date first |
1987 |
|
Date last |
2016 |
|
Obs |
8 |
|
Pa first |
165 |
|
Pa last |
165.8 |
|
P.A. Now (θ) |
165.8° |
|
Sep first |
5.2 |
|
Sep last |
5.797 |
|
Sep. Now (ρ) |
5.797" |
|
Mag pri |
12.90 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
Pri motion ra |
-020 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
-096 |
|
Sec motion dec |
-096 |
|
Notes |
V
K
(Proper motion indicates physical, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
rPM=0.041 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1754643953173905920 |
|