20491+3640 SEI 1260
20h 49m 03.83s +36° 40' 40.3" P.A. 42.00 sep 7.5 mag 11.16,10.90
| Coord 2000 |
20491+3640 |
|
Discov num |
SEI1260 |
|
Comp |
|
|
Coord arcsec 2000 |
20 49 03.83 +36 40 40.3 |
|
| Date first |
1896 |
|
Date last |
2015 |
|
Obs |
10 |
|
| Pa first |
44 |
|
Pa last |
42.4 |
|
P.A. Now (θ) |
42.4° |
|
| Sep first |
8.5 |
|
Sep last |
7.472 |
|
Sep. Now (ρ) |
7.472" |
|
| Mag pri |
11.16 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.26 |
|
Spectral class |
|
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-010 |
|
| Pri motion dec |
-015 |
|
Sec motion dec |
-011 |
|
| Notes |
N
(See Notes) |
|
rPM=0.302
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
2699-01891-1 |
|
Gaia DR2 |
1870792581981215232 |
|
