20557+3540 SEI 1316
20h 55m 41.66s +35° 40' 13.9" P.A. 24.00 sep 12.3 mag 10.87,12.73 Sp G0 dist. 237.53 pc (774.82 l.y.)
| Coord 2000 |
20557+3540 |
|
Discov num |
SEI1316 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 41.66 +35 40 13.9 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
26 |
|
Pa last |
24 |
|
P.A. Now (θ) |
24° |
|
| Sep first |
12.4 |
|
Sep last |
12.252 |
|
Sep. Now (ρ) |
12.252" |
|
| Mag pri |
10.87 |
|
Mag sec |
12.73 |
|
delta mag (ΔM) |
1.86 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
+007 |
|
Sec motion dec |
+004 |
|
| Notes |
|
|
rPM=0.349
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
HIP |
103303 |
|
Tycho2 |
2700-01135-1 |
|
Gaia DR2 |
1869788384259139840 |
|
| BD |
BD+35 4322 |
|
Distance |
237.53 |
|
Distance ly |
774.82 |
|
