21428-4247 DON 1015
21h 42m 50.60s -42° 46' 47.9" P.A. 340.00 sep 2.1 mag 10.10,14.50 Sp G8III
| Coord 2000 |
21428-4247 |
|
Discov num |
DON1015 |
|
Comp |
|
|
Coord arcsec 2000 |
21 42 50.60 -42 46 47.9 |
|
| Date first |
1931 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
339 |
|
Pa last |
340.3 |
|
P.A. Now (θ) |
340.3° |
|
| Sep first |
1.6 |
|
Sep last |
2.06 |
|
Sep. Now (ρ) |
2.06" |
|
| Mag pri |
10.10 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
4.4 |
|
Spectral class |
G8III (yellow) |
|
| Pri motion ra |
+001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Grus |
|
SAO |
230804 |
|
Tycho2 |
7989-00346-1 |
|
Gaia DR2 |
6566104121900378880 |
|
| HD |
206371 |
|
DM |
CP-43 9502 |
|
