20157+5316 MMA 20
20h 15m 41.62s +53° 15' 48.1" P.A. 245.00 sep 11.3 mag 16.00,16.00
| Coord 2000 |
20157+5316 |
|
Discov num |
MMA 20 |
|
Comp |
|
|
Coord arcsec 2000 |
20 15 41.62 +53 15 48.1 |
|
| Date first |
1952 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
246 |
|
Pa last |
244.6 |
|
P.A. Now (θ) |
244.6° |
|
| Sep first |
10.9 |
|
Sep last |
11.279 |
|
Sep. Now (ρ) |
11.279" |
|
| Mag pri |
16.00 |
|
Mag sec |
16.00 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.625
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2184692912492524288 |
|
