16521-1820 DON 814
16h 52m 10.23s -18° 21' 16.8" P.A. 84.00 sep 0.9 mag 11.00,11.30
| Coord 2000 |
16521-1820 |
|
Discov num |
DON 814 |
|
Comp |
|
|
Coord arcsec 2000 |
16 52 10.23 -18 21 16.8 |
|
| Date first |
1932 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
80 |
|
Pa last |
83.5 |
|
P.A. Now (θ) |
83.5° |
|
| Sep first |
0.7 |
|
Sep last |
0.942 |
|
Sep. Now (ρ) |
0.942" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.30 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
|
|
Sec motion ra |
|
|
| Pri motion dec |
|
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
6222-00619-1 |
|
Gaia DR2 |
4132190651119418240 |
|
