21079+3123 GRV 421
21h 07m 54.92s +31° 23' 15.0" P.A. 185.00 sep 14.6 mag 11.70,12.60
| Coord 2000 |
21079+3123 |
|
Discov num |
GRV 421 |
|
Comp |
|
|
Coord arcsec 2000 |
21 07 54.92 +31 23 15.0 |
|
| Date first |
1999 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
185 |
|
Pa last |
184.7 |
|
P.A. Now (θ) |
184.7° |
|
| Sep first |
14.6 |
|
Sep last |
14.596 |
|
Sep. Now (ρ) |
14.596" |
|
| Mag pri |
11.70 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
|
|
| Pri motion ra |
+020 |
|
Sec motion ra |
+019 |
|
| Pri motion dec |
+029 |
|
Sec motion dec |
+029 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.028 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1853032445524965888 |
|
