18517+1331 STF 2409 AC
18h 51m 43.74s +13° 31' 06.9" P.A. 196.00 sep 33.8 mag 8.46,12.96 Sp G5 dist. 261.1 pc (851.71 l.y.)
Coord 2000 |
18517+1331 |
|
Discov num |
STF2409 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 51 43.74 +13 31 06.9 |
|
Date first |
1897 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
196 |
|
Pa last |
196.2 |
|
P.A. Now (θ) |
196.2° |
|
Sep first |
32.8 |
|
Sep last |
33.792 |
|
Sep. Now (ρ) |
33.792" |
|
Mag pri |
8.46 |
|
Mag sec |
12.96 |
|
delta mag (ΔM) |
4.5 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+010 |
|
Sec motion ra |
+005 |
|
Pri motion dec |
-004 |
|
Sec motion dec |
-008 |
|
Notes |
|
|
rPM=0.595
Nature of this double is uncertain.
18517+1331 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 174791 |
104190 |
18 51 44 +13 31 07 |
STF 2409 AB |
2015 |
48 |
22 |
0.9 |
8.46 |
9.64 |
1.18 |
|
|
Show |
|
104190 |
18 51 44 +13 31 07 |
STF 2409 AC |
2015 |
13 |
196 |
33.8 |
8.46 |
12.96 |
4.50 |
|
<=== |
Show |
|
104190 |
18 51 44 +13 31 07 |
WAL 96 AB,D |
2014 |
5 |
291 |
72.7 |
8.15 |
13.10 |
4.95 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
SAO |
104190 |
|
HIP |
92565 |
|
Tycho2 |
1038-00509-1 |
|
Gaia DR2 |
4506988528369460992 |
|
HD |
174791 |
|
BD |
BD+13 3783 |
|
Distance |
261.1 |
|
Distance ly |
851.71 |
|