20307+1718 BPM 2178
20h 30m 43.56s +17° 18' 29.8" P.A. 217.00 sep 110.0 mag 13.20,14.68
Coord 2000 |
20307+1718 |
|
Discov num |
BPM2178 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 43.56 +17 18 29.8 |
|
Date first |
1995 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
217 |
|
Pa last |
217.4 |
|
P.A. Now (θ) |
217.4° |
|
Sep first |
110.0 |
|
Sep last |
109.951 |
|
Sep. Now (ρ) |
109.951" |
|
Mag pri |
13.20 |
|
Mag sec |
14.68 |
|
delta mag (ΔM) |
1.48 |
|
Spectral class |
|
|
Pri motion ra |
-011 |
|
Sec motion ra |
-008 |
|
Pri motion dec |
-014 |
|
Sec motion dec |
+001 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.859
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Gaia DR2 |
1812019145672844288 |
|