20289+5939 HJ 2978
20h 28m 56.14s +59° 38' 50.1" P.A. 277.00 sep 14.1 mag 10.29,11.07
| Coord 2000 |
20289+5939 |
|
Discov num |
HJ 2978 |
|
Comp |
|
|
Coord arcsec 2000 |
20 28 56.14 +59 38 50.1 |
|
| Date first |
1831 |
|
Date last |
2015 |
|
Obs |
17 |
|
| Pa first |
275 |
|
Pa last |
276.9 |
|
P.A. Now (θ) |
276.9° |
|
| Sep first |
10.0 |
|
Sep last |
14.139 |
|
Sep. Now (ρ) |
14.139" |
|
| Mag pri |
10.29 |
|
Mag sec |
11.07 |
|
delta mag (ΔM) |
0.78 |
|
Spectral class |
|
|
| Pri motion ra |
+010 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+019 |
|
Sec motion dec |
+020 |
|
| Notes |
|
|
rPM=0.062 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3962-01342-1 |
|
Gaia DR2 |
2188655483677996416 |
|