20540+4905 HEI 913
20h 53m 58.53s +49° 05' 57.4" P.A. 14.00 sep 2.1 mag 12.10,13.70
| Coord 2000 |
20540+4905 |
|
Discov num |
HEI 913 |
|
Comp |
|
|
Coord arcsec 2000 |
20 53 58.53 +49 05 57.4 |
|
| Date first |
1997 |
|
Date last |
2015 |
|
Obs |
2 |
|
| Pa first |
23 |
|
Pa last |
14.4 |
|
P.A. Now (θ) |
14.4° |
|
| Sep first |
1.6 |
|
Sep last |
2.137 |
|
Sep. Now (ρ) |
2.137" |
|
| Mag pri |
12.10 |
|
Mag sec |
13.70 |
|
delta mag (ΔM) |
1.6 |
|
Spectral class |
|
|
| Pri motion ra |
-005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2167324953802302848 |
|