18241+2027 HO 652 (HD 169490)
18h 24m 05.63s +20° 27' 08.1" P.A. 352.00 sep 33.2 mag 6.78,11.60 Sp F0 dist. 80.13 pc (261.38 l.y.)
Coord 2000 |
18241+2027 |
|
Discov num |
HO 652 |
|
Comp |
|
|
Coord arcsec 2000 |
18 24 05.63 +20 27 08.1 |
|
Date first |
1903 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
350 |
|
Pa last |
351.5 |
|
P.A. Now (θ) |
351.5° |
|
Sep first |
39.0 |
|
Sep last |
33.192 |
|
Sep. Now (ρ) |
33.192" |
|
Mag pri |
6.78 |
|
Mag sec |
11.60 |
|
delta mag (ΔM) |
4.82 |
|
Spectral class |
F0 (yellow-white) |
|
Pri motion ra |
-022 |
|
Sec motion ra |
|
|
Pri motion dec |
+050 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 169490 |
|
Constellation |
Hercules |
|
SAO |
86007 |
|
HIP |
90176 |
|
Tycho2 |
1577-00989-1 |
|
Gaia DR2 |
4528533772256801280 |
|
HD |
169490 |
|
GC |
25121 |
|
BD |
BD+20 3769 |
|
Distance |
80.13 |
|
Distance ly |
261.38 |
|