20506+3740 SKF 1925
20h 50m 37.76s +37° 40' 03.9" P.A. 170.00 sep 13.8 mag 18.20,20.00 Sp M:
| Coord 2000 |
20506+3740 |
|
Discov num |
SKF1925 |
|
Comp |
|
|
Coord arcsec 2000 |
20 50 37.76 +37 40 03.9 |
|
| Date first |
1951 |
|
Date last |
2016 |
|
Obs |
12 |
|
| Pa first |
170 |
|
Pa last |
169.5 |
|
P.A. Now (θ) |
169.5° |
|
| Sep first |
14.2 |
|
Sep last |
13.791 |
|
Sep. Now (ρ) |
13.791" |
|
| Mag pri |
18.20 |
|
Mag sec |
20.00 |
|
delta mag (ΔM) |
1.8 |
|
Spectral class |
M: (red) |
|
| Pri motion ra |
+028 |
|
Sec motion ra |
+032 |
|
| Pri motion dec |
+036 |
|
Sec motion dec |
+052 |
|
| Notes |
|
|
rPM=0.27 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1870954755628215808 |
|
