20558+3951 LDS 2469
20h 55m 45.40s +39° 50' 34.1" P.A. 2.00 sep 3.3 mag 14.90,18.80
| Coord 2000 |
20558+3951 |
|
Discov num |
LDS2469 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 45.40 +39 50 34.1 |
|
| Date first |
1954 |
|
Date last |
2016 |
|
Obs |
3 |
|
| Pa first |
358 |
|
Pa last |
2.4 |
|
P.A. Now (θ) |
2.4° |
|
| Sep first |
3.0 |
|
Sep last |
3.275 |
|
Sep. Now (ρ) |
3.275" |
|
| Mag pri |
14.90 |
|
Mag sec |
18.80 |
|
delta mag (ΔM) |
3.9 |
|
Spectral class |
|
|
| Pri motion ra |
+024 |
|
Sec motion ra |
|
|
| Pri motion dec |
-085 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1872911031646259584 |
|
