01355-6522 DON 19 (HD 9971)
01h 35m 29.39s -65° 21' 57.9" P.A. 184.00 sep 2.7 mag 10.30,10.69 Sp F2/3V
| Coord 2000 |
01355-6522 |
|
Discov num |
DON 19 |
|
Comp |
|
|
Coord arcsec 2000 |
01 35 29.39 -65 21 57.9 |
|
| Date first |
1928 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
183 |
|
Pa last |
183.8 |
|
P.A. Now (θ) |
183.8° |
|
| Sep first |
2.5 |
|
Sep last |
2.705 |
|
Sep. Now (ρ) |
2.705" |
|
| Mag pri |
10.30 |
|
Mag sec |
10.69 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
F2/3V (yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+010 |
|
| Pri motion dec |
-013 |
|
Sec motion dec |
-013 |
|
| Notes |
V
(Proper motion indicates physical) |
|
rPM=0.059 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 9971 |
|
Constellation |
Hydrus |
|
Tycho2 |
8856-00196-1 |
|
Gaia DR2 |
4710881384800954624 |
|
| HD |
9971 |
|
