21157+2355 GRV 440
21h 15m 46.63s +23° 55' 32.7" P.A. 300.00 sep 44.1 mag 10.71,10.70
| Coord 2000 |
21157+2355 |
|
Discov num |
GRV 440 |
|
Comp |
|
|
Coord arcsec 2000 |
21 15 46.63 +23 55 32.7 |
|
| Date first |
1894 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
303 |
|
Pa last |
299.6 |
|
P.A. Now (θ) |
299.6° |
|
| Sep first |
45.2 |
|
Sep last |
44.066 |
|
Sep. Now (ρ) |
44.066" |
|
| Mag pri |
10.71 |
|
Mag sec |
10.70 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-024 |
|
| Pri motion dec |
-069 |
|
Sec motion dec |
-090 |
|
| Notes |
|
|
rPM=0.226 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Vulpecula |
|
Tycho2 |
2186-00770-1 |
|
Gaia DR2 |
1840367269855935488 |
|
