20307+2826 GRV 347
20h 30m 44.21s +28° 26' 47.5" P.A. 8.00 sep 22.4 mag 11.60,12.80
| Coord 2000 |
20307+2826 |
|
Discov num |
GRV 347 |
|
Comp |
|
|
Coord arcsec 2000 |
20 30 44.21 +28 26 47.5 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
8 |
|
Pa last |
7.8 |
|
P.A. Now (θ) |
7.8° |
|
| Sep first |
22.4 |
|
Sep last |
22.441 |
|
Sep. Now (ρ) |
22.441" |
|
| Mag pri |
11.60 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
| Pri motion ra |
-020 |
|
Sec motion ra |
-019 |
|
| Pri motion dec |
-024 |
|
Sec motion dec |
-025 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.045 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2169-00937-1 |
|
Gaia DR2 |
1860166003938326656 |
|
