21581-0329 STF 2847 (HD 208690)
21h 58m 07.76s -03° 29' 23.3" P.A. 126.00 sep 0.7 mag 7.73,9.59 Sp F0 dist. 140.25 pc (457.5 l.y.)
| Coord 2000 |
21581-0329 |
|
Discov num |
STF2847 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 07.76 -03 29 23.3 |
|
| Date first |
1831 |
|
Date last |
2016 |
|
Obs |
97 |
|
| Pa first |
117 |
|
Pa last |
126 |
|
P.A. Now (θ) |
126° |
|
| Sep first |
1.2 |
|
Sep last |
0.696 |
|
Sep. Now (ρ) |
0.696" |
|
| Mag pri |
7.73 |
|
Mag sec |
9.59 |
|
delta mag (ΔM) |
1.86 |
|
Spectral class |
F0 (yellow-white) |
|
| Pri motion ra |
+004 |
|
Sec motion ra |
+004 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 208690 |
|
Constellation |
Aquarius |
|
SAO |
145777 |
|
HIP |
108448 |
|
| Tycho2 |
5215-00783-1 |
|
Gaia DR2 |
2670299709020589824 |
|
HD |
208690 |
|
GC |
30739 |
|
| BD |
BD-04 5585 |
|
Distance |
140.25 |
|
Distance ly |
457.5 |
|
