20017+3119 GRV 307
20h 01m 47.01s +31° 19' 21.6" P.A. 138.00 sep 45.7 mag 12.59,14.19
| Coord 2000 |
20017+3119 |
|
Discov num |
GRV 307 |
|
Comp |
|
|
Coord arcsec 2000 |
20 01 47.01 +31 19 21.6 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
138 |
|
Pa last |
137.8 |
|
P.A. Now (θ) |
137.8° |
|
| Sep first |
45.7 |
|
Sep last |
45.658 |
|
Sep. Now (ρ) |
45.658" |
|
| Mag pri |
12.59 |
|
Mag sec |
14.19 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-012 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.305
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2030895764323419264 |
|