18094+3144 A 237 AB
18h 09m 23.73s +31° 44' 23.0" P.A. 103.00 sep 2.2 mag 10.09,10.89 Sp F8
Coord 2000 |
18094+3144 |
|
Discov num |
A 237 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 09 23.73 +31 44 23.0 |
|
Date first |
1901 |
|
Date last |
2018 |
|
Obs |
19 |
|
Pa first |
99 |
|
Pa last |
103.4 |
|
P.A. Now (θ) |
103.4° |
|
Sep first |
1.9 |
|
Sep last |
2.214 |
|
Sep. Now (ρ) |
2.214" |
|
Mag pri |
10.09 |
|
Mag sec |
10.89 |
|
delta mag (ΔM) |
0.8 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-007 |
|
Sec motion dec |
-008 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.117 (< 0.3, Physical double)
This double is physical.
18094+3144 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 09 24 +31 44 23 |
A 237 AB |
2018 |
19 |
103 |
2.2 |
10.09 |
10.89 |
0.80 |
|
<=== |
Show |
|
|
18 09 24 +31 44 23 |
A 237 AC |
2015 |
6 |
358 |
28.7 |
10.09 |
14.00 |
3.91 |
|
|
Show |
|
|
18 09 24 +31 44 23 |
A 237 AD |
2015 |
6 |
221 |
101.8 |
10.09 |
12.90 |
2.81 |
|
|
Show |
|
|
18 09 24 +31 44 23 |
DAM 807 AF |
2015 |
2 |
63 |
10.6 |
10.09 |
14.90 |
4.81 |
|
|
Show |
|
|
18 09 18 +31 43 06 |
A 237 DE |
2016 |
11 |
308 |
8.2 |
13.10 |
13.60 |
0.50 |
|
|
Sextuple system
6 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2622-00413-1 |
|
Gaia DR2 |
4591256203329649024 |
|