20284+1713 HJ 2969
20h 28m 22.83s +17° 12' 55.6" P.A. 170.00 sep 6.0 mag 9.60,10.00
| Coord 2000 |
20284+1713 |
|
Discov num |
HJ 2969 |
|
Comp |
|
|
Coord arcsec 2000 |
20 28 22.83 +17 12 55.6 |
|
| Date first |
1831 |
|
Date last |
2018 |
|
Obs |
17 |
|
| Pa first |
172 |
|
Pa last |
169.5 |
|
P.A. Now (θ) |
169.5° |
|
| Sep first |
4.0 |
|
Sep last |
5.986 |
|
Sep. Now (ρ) |
5.986" |
|
| Mag pri |
9.60 |
|
Mag sec |
10.00 |
|
delta mag (ΔM) |
0.4 |
|
Spectral class |
|
|
| Pri motion ra |
-037 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
+112 |
|
Sec motion dec |
-025 |
|
| Notes |
|
|
rPM=1.176
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Delphinus |
|
Gaia DR2 |
1811979258318036352 |
|
