18459-4046 HDS 2661 AB (HD 173181)
18h 45m 51.70s -40° 46' 23.6" P.A. 263.00 sep 4.3 mag 8.98,12.35 Sp F5V dist. 147.49 pc (481.11 l.y.)
| Coord 2000 |
18459-4046 |
|
Discov num |
HDS2661 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 45 51.70 -40 46 23.6 |
|
| Date first |
1991 |
|
Date last |
1999 |
|
Obs |
4 |
|
| Pa first |
261 |
|
Pa last |
262.8 |
|
P.A. Now (θ) |
262.8° |
|
| Sep first |
4.7 |
|
Sep last |
4.34 |
|
Sep. Now (ρ) |
4.34" |
|
| Mag pri |
8.98 |
|
Mag sec |
12.35 |
|
delta mag (ΔM) |
3.37 |
|
Spectral class |
F5V (yellow-white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
-014 |
|
| Pri motion dec |
-027 |
|
Sec motion dec |
-027 |
|
| Notes |
W
|
|
rPM=0.23 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173181 |
|
Constellation |
Corona Austrina |
|
SAO |
229254 |
|
HIP |
92063 |
|
| Tycho2 |
7919-00921-1 |
|
HD |
173181 |
|
CD |
CD-4012780 |
|
CP |
CP-40 8643 |
|
| Distance |
147.49 |
|
Distance ly |
481.11 |
|
