18431-7804 HDS 2650 AB (HD 171043)
18h 43m 03.23s -78° 03' 58.5" P.A. 171.00 sep 0.6 mag 6.94,9.21 Sp F5IV/V dist. 154.8 pc (504.96 l.y.)
Coord 2000 |
18431-7804 |
|
Discov num |
HDS2650 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 43 03.23 -78 03 58.5 |
|
Date first |
1991 |
|
Date last |
2018 |
|
Obs |
3 |
|
Pa first |
165 |
|
Pa last |
170.6 |
|
P.A. Now (θ) |
170.6° |
|
Sep first |
0.5 |
|
Sep last |
0.606 |
|
Sep. Now (ρ) |
0.606" |
|
Mag pri |
6.94 |
|
Mag sec |
9.21 |
|
delta mag (ΔM) |
2.27 |
|
Spectral class |
F5IV/V (yellow-white) |
|
Pri motion ra |
+022 |
|
Sec motion ra |
+022 |
|
Pri motion dec |
+001 |
|
Sec motion dec |
+001 |
|
Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 171043 |
|
Constellation |
Octans |
|
SAO |
257615 |
|
HIP |
91795 |
|
Tycho2 |
9462-00928-1 |
|
HD |
171043 |
|
GC |
25468 |
|
CP |
CP-78 1180 |
|
Distance |
154.8 |
|
Distance ly |
504.96 |
|