21140+3755 SEI 1457
21h 13m 59.80s +37° 54' 34.5" P.A. 27.00 sep 10.6 mag 11.35,11.36
| Coord 2000 |
21140+3755 |
|
Discov num |
SEI1457 |
|
Comp |
|
|
Coord arcsec 2000 |
21 13 59.80 +37 54 34.5 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
14 |
|
| Pa first |
27 |
|
Pa last |
27.2 |
|
P.A. Now (θ) |
27.2° |
|
| Sep first |
10.4 |
|
Sep last |
10.632 |
|
Sep. Now (ρ) |
10.632" |
|
| Mag pri |
11.35 |
|
Mag sec |
11.36 |
|
delta mag (ΔM) |
0.01 |
|
Spectral class |
|
|
| Pri motion ra |
-009 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-008 |
|
| Notes |
N
(See Notes) |
|
rPM=0.332
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-01761-1 |
|
Gaia DR2 |
1868899978861957760 |
|
