18043+4206 ROE 1 AB (HD 165503)
18h 04m 16.91s +42° 05' 45.0" P.A. 186.00 sep 24.3 mag 8.33,12.40 Sp A8III dist. 141.04 pc (460.07 l.y.)
Coord 2000 |
18043+4206 |
|
Discov num |
ROE 1 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 04 16.91 +42 05 45.0 |
|
Date first |
1893 |
|
Date last |
2015 |
|
Obs |
14 |
|
Pa first |
188 |
|
Pa last |
186 |
|
P.A. Now (θ) |
186° |
|
Sep first |
22.0 |
|
Sep last |
24.257 |
|
Sep. Now (ρ) |
24.257" |
|
Mag pri |
8.33 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
4.07 |
|
Spectral class |
A8III (white) |
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+029 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18043+4206 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
47188 |
18 04 17 +42 05 45 |
COU 1786 Aa,Ab |
2016 |
35 |
11 |
0.2 |
8.33 |
9.11 |
0.78 |
Y |
|
Show |
HD 165503 |
47188 |
18 04 17 +42 05 45 |
ROE 1 AB |
2015 |
14 |
186 |
24.3 |
8.33 |
12.40 |
4.07 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 165503 |
|
Constellation |
Hercules |
|
SAO |
47188 |
|
HIP |
88498 |
|
Tycho2 |
3110-01491-1 |
|
Gaia DR2 |
2113742900320323968 |
|
HD |
165503 |
|
BD |
BD+42 2995 |
|
Distance |
141.04 |
|
Distance ly |
460.07 |
|