21429+3904 GRV 496
21h 42m 55.63s +39° 04' 33.4" P.A. 72.00 sep 29.9 mag 11.13,11.97
| Coord 2000 |
21429+3904 |
|
Discov num |
GRV 496 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 55.63 +39 04 33.4 |
|
| Date first |
1894 |
|
Date last |
2016 |
|
Obs |
11 |
|
| Pa first |
74 |
|
Pa last |
72.2 |
|
P.A. Now (θ) |
72.2° |
|
| Sep first |
29.5 |
|
Sep last |
29.894 |
|
Sep. Now (ρ) |
29.894" |
|
| Mag pri |
11.13 |
|
Mag sec |
11.97 |
|
delta mag (ΔM) |
0.84 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-007 |
|
| Pri motion dec |
-020 |
|
Sec motion dec |
-014 |
|
| Notes |
|
|
rPM=0.316
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3184-00745-1 |
|
Gaia DR2 |
1953698026441714688 |
|
