20512+4415 CHN 31
20h 51m 15.67s +44° 14' 55.6" P.A. 47.00 sep 6.7 mag 16.00,18.80
| Coord 2000 |
20512+4415 |
|
Discov num |
CHN 31 |
|
Comp |
|
|
Coord arcsec 2000 |
20 51 15.67 +44 14 55.6 |
|
| Date first |
1976 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
20 |
|
Pa last |
46.8 |
|
P.A. Now (θ) |
46.8° |
|
| Sep first |
9.0 |
|
Sep last |
6.686 |
|
Sep. Now (ρ) |
6.686" |
|
| Mag pri |
16.00 |
|
Mag sec |
18.80 |
|
delta mag (ΔM) |
2.8 |
|
Spectral class |
|
|
| Pri motion ra |
-031 |
|
Sec motion ra |
|
|
| Pri motion dec |
-040 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2163135367832269824 |
|
