18057+1200 STF 2276 AB (HD 165474)
18h 05m 43.30s +12° 00' 13.9" P.A. 257.00 sep 7.1 mag 7.09,7.44 Sp A7p dist. 138.12 pc (450.55 l.y.)
Coord 2000 |
18057+1200 |
|
Discov num |
STF2276 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 05 43.30 +12 00 13.9 |
|
Date first |
1782 |
|
Date last |
2017 |
|
Obs |
137 |
|
Pa first |
260 |
|
Pa last |
256.8 |
|
P.A. Now (θ) |
256.8° |
|
Sep first |
7.6 |
|
Sep last |
7.079 |
|
Sep. Now (ρ) |
7.079" |
|
Mag pri |
7.09 |
|
Mag sec |
7.44 |
|
delta mag (ΔM) |
0.35 |
|
Spectral class |
A7p (white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-003 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18057+1200 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 165474 |
103373 |
18 05 43 +12 00 14 |
STF 2276 AB |
2017 |
137 |
257 |
7.1 |
7.09 |
7.44 |
0.35 |
|
<=== |
Show |
|
103373 |
18 05 43 +12 00 14 |
STF 2276 AC |
2016 |
19 |
306 |
63.8 |
7.09 |
11.03 |
3.94 |
|
|
Show |
|
|
18 05 43 +12 00 12 |
STF 2276 BC |
2015 |
10 |
311 |
58.7 |
7.44 |
11.03 |
3.59 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 165474 |
|
Constellation |
Ophiuchus |
|
SAO |
103373 |
|
HIP |
88627 |
|
Tycho2 |
1016-01153-1 |
|
Gaia DR2 |
4495389647069328256 |
|
HD |
165474 |
|
HR |
6758 |
|
GC |
24655 |
|
ADS |
11056 |
|
BD |
BD+12 3382 |
|
Distance |
138.12 |
|
Distance ly |
450.55 |
|