04451-6801 DON 81 Aa,Ab (HD 30759)
04h 45m 07.78s -68° 01' 16.2" P.A. 294.00 sep 0.2 mag 8.79,9.01 Sp F6/7V dist. 111.61 pc (364.07 l.y.)
| Coord 2000 |
04451-6801 |
|
Discov num |
DON 81 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 45 07.78 -68 01 16.2 |
|
| Date first |
1930 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
300 |
|
Pa last |
293.7 |
|
P.A. Now (θ) |
293.7° |
|
| Sep first |
0.2 |
|
Sep last |
0.244 |
|
Sep. Now (ρ) |
0.244" |
|
| Mag pri |
8.79 |
|
Mag sec |
9.01 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
F6/7V (yellow-white) |
|
| Pri motion ra |
+040 |
|
Sec motion ra |
|
|
| Pri motion dec |
+068 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
04451-6801 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 30759 |
249100 |
04 45 08 -68 01 16 |
DON 81 Aa,Ab |
2018 |
9 |
294 |
0.2 |
8.79 |
9.01 |
0.22 |
|
<=== |
| Show |
|
249100 |
04 45 08 -68 01 16 |
UC 1207 AB |
2015 |
3 |
106 |
49.3 |
8.79 |
13.86 |
5.07 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 30759 |
|
Constellation |
Dorado |
|
SAO |
249100 |
|
HIP |
22088 |
|
| Tycho2 |
9154-01704-1 |
|
HD |
30759 |
|
CP |
CP-68 272 |
|
Distance |
111.61 |
|
| Distance ly |
364.07 |
|
