18086-0948 HDS 2557 (HD 165888)
18h 08m 37.18s -09° 48' 05.3" P.A. 252.00 sep 0.6 mag 9.56,12.30 Sp F2 dist. 132.28 pc (431.5 l.y.)
| Coord 2000 |
18086-0948 |
|
Discov num |
HDS2557 |
|
Comp |
|
|
Coord arcsec 2000 |
18 08 37.18 -09 48 05.3 |
|
| Date first |
1991 |
|
Date last |
2021 |
|
Obs |
3 |
|
| Pa first |
248 |
|
Pa last |
251.6 |
|
P.A. Now (θ) |
251.6° |
|
| Sep first |
0.5 |
|
Sep last |
0.647 |
|
Sep. Now (ρ) |
0.647" |
|
| Mag pri |
9.56 |
|
Mag sec |
12.30 |
|
delta mag (ΔM) |
2.74 |
|
Spectral class |
F2 (yellow-white) |
|
| Pri motion ra |
+009 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 165888 |
|
Constellation |
Serpens |
|
SAO |
142111 |
|
HIP |
88872 |
|
| Tycho2 |
5680-00763-1 |
|
Gaia DR2 |
4158116482466342912 |
|
HD |
165888 |
|
BD |
BD-09 4654 |
|
| Distance |
132.28 |
|
Distance ly |
431.5 |
|
