20470+3156 GYL 71
20h 46m 58.78s +31° 56' 09.5" P.A. 46.00 sep 24.4 mag 11.06,13.10 dist. 191.57 pc (624.9 l.y.)
| Coord 2000 |
20470+3156 |
|
Discov num |
GYL 71 |
|
Comp |
|
|
Coord arcsec 2000 |
20 46 58.78 +31 56 09.5 |
|
| Date first |
1893 |
|
Date last |
2015 |
|
Obs |
11 |
|
| Pa first |
45 |
|
Pa last |
46.1 |
|
P.A. Now (θ) |
46.1° |
|
| Sep first |
23.3 |
|
Sep last |
24.429 |
|
Sep. Now (ρ) |
24.429" |
|
| Mag pri |
11.06 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
2.04 |
|
Spectral class |
|
|
| Pri motion ra |
-006 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-010 |
|
Sec motion dec |
-004 |
|
| Notes |
|
|
rPM=0.67
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
SAO |
70498 |
|
HIP |
102568 |
|
Tycho2 |
2691-01625-1 |
|
| Gaia DR2 |
1859922397703614592 |
|
BD |
BD+31 4220 |
|
Distance |
191.57 |
|
Distance ly |
624.9 |
|
