17405-2045 DON 856
17h 40m 27.53s -20° 45' 48.3" P.A. 57.00 sep 0.4 mag 11.20,11.30
| Coord 2000 |
17405-2045 |
|
Discov num |
DON 856 |
|
Comp |
|
|
Coord arcsec 2000 |
17 40 27.53 -20 45 48.3 |
|
| Date first |
1931 |
|
Date last |
1951 |
|
Obs |
4 |
|
| Pa first |
56 |
|
Pa last |
57.1 |
|
P.A. Now (θ) |
57.1° |
|
| Sep first |
0.4 |
|
Sep last |
0.35 |
|
Sep. Now (ρ) |
0.35" |
|
| Mag pri |
11.20 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-009 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
6260-01681-1 |
|
Gaia DR2 |
4118177994005121664 |
|
