21317+3730 GRV 474
21h 31m 42.80s +37° 30' 34.2" P.A. 236.00 sep 24.6 mag 10.46,11.97
| Coord 2000 |
21317+3730 |
|
Discov num |
GRV 474 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 42.80 +37 30 34.2 |
|
| Date first |
1929 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
237 |
|
Pa last |
235.9 |
|
P.A. Now (θ) |
235.9° |
|
| Sep first |
24.7 |
|
Sep last |
24.569 |
|
Sep. Now (ρ) |
24.569" |
|
| Mag pri |
10.46 |
|
Mag sec |
11.97 |
|
delta mag (ΔM) |
1.51 |
|
Spectral class |
|
|
| Pri motion ra |
+072 |
|
Sec motion ra |
+074 |
|
| Pri motion dec |
+055 |
|
Sec motion dec |
+057 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.03 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3183-02464-1 |
|
Gaia DR2 |
1952145206786538112 |
|
