18065+4022 STF 2282 AB (HD 165941)
18h 06m 30.47s +40° 21' 39.6" P.A. 83.00 sep 2.7 mag 7.93,9.43 Sp A1V dist. 512.82 pc (1672.82 l.y.)
| Coord 2000 |
18065+4022 |
|
Discov num |
STF2282 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 06 30.47 +40 21 39.6 |
|
| Date first |
1828 |
|
Date last |
2017 |
|
Obs |
75 |
|
| Pa first |
92 |
|
Pa last |
82.6 |
|
P.A. Now (θ) |
82.6° |
|
| Sep first |
2.6 |
|
Sep last |
2.67 |
|
Sep. Now (ρ) |
2.67" |
|
| Mag pri |
7.93 |
|
Mag sec |
9.43 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
A1V (white) |
|
| Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
Nature of this double is uncertain.
18065+4022 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 165941 |
47220 |
18 06 30 +40 21 40 |
STF 2282 AB |
2017 |
75 |
83 |
2.7 |
7.93 |
9.43 |
1.50 |
|
<=== |
| Show |
|
47220 |
18 06 30 +40 21 40 |
STF 2282 AC |
2008 |
2 |
80 |
2.7 |
7.93 |
9.43 |
1.50 |
|
|
| Show |
|
|
18 06 30 +40 21 40 |
STF 2282 BC |
2008 |
1 |
48 |
0.2 |
9.43 |
9.43 |
0.00 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 165941 |
|
Constellation |
Hercules |
|
SAO |
47220 |
|
HIP |
88703 |
|
| Tycho2 |
3106-00046-1 |
|
Gaia DR2 |
2112565323371434624 |
|
HD |
165941 |
|
GC |
24691 |
|
| BD |
BD+40 3286 |
|
Distance |
512.82 |
|
Distance ly |
1672.82 |
|
