17208-4240 I 410 (HD 156661)
17h 20m 48.77s -42° 39' 30.1" P.A. 279.00 sep 2.9 mag 8.31,10.25 Sp F8V dist. 56.72 pc (185.02 l.y.)
Coord 2000 |
17208-4240 |
|
Discov num |
I 410 |
|
Comp |
|
|
Coord arcsec 2000 |
17 20 48.77 -42 39 30.1 |
|
Date first |
1902 |
|
Date last |
2017 |
|
Obs |
13 |
|
Pa first |
285 |
|
Pa last |
278.7 |
|
P.A. Now (θ) |
278.7° |
|
Sep first |
2.8 |
|
Sep last |
2.946 |
|
Sep. Now (ρ) |
2.946" |
|
Mag pri |
8.31 |
|
Mag sec |
10.25 |
|
delta mag (ΔM) |
1.94 |
|
Spectral class |
F8V (yellow-white) |
|
Pri motion ra |
+035 |
|
Sec motion ra |
+015 |
|
Pri motion dec |
+010 |
|
Sec motion dec |
+012 |
|
Notes |
|
|
rPM=0.552
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 156661 |
|
Constellation |
Scorpius |
|
SAO |
227845 |
|
HIP |
84879 |
|
Tycho2 |
7891-00041-1 |
|
Gaia DR2 |
5959478126358758016 |
|
HD |
156661 |
|
CD |
CD-4212051 |
|
CP |
CP-42 7731 |
|
Distance |
56.72 |
|
Distance ly |
185.02 |
|