20120-0031 J 548
20h 12m 00.44s -00° 37' 35.5" P.A. 139.00 sep 4.1 mag 9.40,13.00
| Coord 2000 |
20120-0031 |
|
Discov num |
J 548 |
|
Comp |
|
|
Coord arcsec 2000 |
20 12 00.44 -00 37 35.5 |
|
| Date first |
1911 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
161 |
|
Pa last |
138.6 |
|
P.A. Now (θ) |
138.6° |
|
| Sep first |
3.9 |
|
Sep last |
4.143 |
|
Sep. Now (ρ) |
4.143" |
|
| Mag pri |
9.40 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
3.6 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
|
|
| Pri motion dec |
+002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
