20071-4256 DON 979
20h 07m 08.80s -42° 55' 55.7" P.A. 258.00 sep 0.9 mag 11.31,11.41
| Coord 2000 |
20071-4256 |
|
Discov num |
DON 979 |
|
Comp |
|
|
Coord arcsec 2000 |
20 07 08.80 -42 55 55.7 |
|
| Date first |
1932 |
|
Date last |
1991 |
|
Obs |
4 |
|
| Pa first |
262 |
|
Pa last |
258.3 |
|
P.A. Now (θ) |
258.3° |
|
| Sep first |
0.8 |
|
Sep last |
0.891 |
|
Sep. Now (ρ) |
0.891" |
|
| Mag pri |
11.31 |
|
Mag sec |
11.41 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
+022 |
|
Sec motion ra |
+022 |
|
| Pri motion dec |
-019 |
|
Sec motion dec |
-019 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
7955-02731-1 |
|
