20091+3657 SEI 921
20h 09m 06.42s +36° 55' 52.7" P.A. 336.00 sep 25.7 mag 10.73,13.16 Sp M7
| Coord 2000 |
20091+3657 |
|
Discov num |
SEI 921 |
|
Comp |
|
|
Coord arcsec 2000 |
20 09 06.42 +36 55 52.7 |
|
| Date first |
1896 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
338 |
|
Pa last |
336.1 |
|
P.A. Now (θ) |
336.1° |
|
| Sep first |
25.5 |
|
Sep last |
25.7 |
|
Sep. Now (ρ) |
25.7" |
|
| Mag pri |
10.73 |
|
Mag sec |
13.16 |
|
delta mag (ΔM) |
2.43 |
|
Spectral class |
M7 (red) |
|
| Pri motion ra |
-000 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.319
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2683-01269-1 |
|
Gaia DR2 |
2059266673339472896 |
|
