18222-1505 STF 2306 AB (HD 168815)
18h 22m 13.89s -15° 05' 17.8" P.A. 222.00 sep 9.1 mag 8.08,8.61 Sp G9IV-V dist. 386.1 pc (1259.46 l.y.)
Coord 2000 |
18222-1505 |
|
Discov num |
STF2306 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 22 13.89 -15 05 17.8 |
|
Date first |
1797 |
|
Date last |
2018 |
|
Obs |
77 |
|
Pa first |
214 |
|
Pa last |
221.5 |
|
P.A. Now (θ) |
221.5° |
|
Sep first |
13.2 |
|
Sep last |
9.079 |
|
Sep. Now (ρ) |
9.079" |
|
Mag pri |
8.08 |
|
Mag sec |
8.61 |
|
delta mag (ΔM) |
0.53 |
|
Spectral class |
G9IV-V (yellow) |
|
Pri motion ra |
+002 |
|
Sec motion ra |
+030 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+023 |
|
Notes |
U
(Proper motion indicates non-physical) |
|
rPM=0.881
This double is not physical.
18222-1505 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 168815 |
161390 |
18 22 14 -15 05 18 |
STF 2306 AB |
2018 |
77 |
222 |
9.1 |
8.08 |
8.61 |
0.53 |
|
<=== |
Show |
|
|
18 22 13 -15 05 25 |
MTL 3 BC |
2017 |
34 |
71 |
0.8 |
8.62 |
9.01 |
0.39 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 168815 |
|
Constellation |
Scutum |
|
SAO |
161390 |
|
HIP |
90032 |
|
Tycho2 |
6265-00656-1 |
|
Gaia DR2 |
4098217219300677504 |
|
HD |
168815 |
|
GC |
25062 |
|
ADS |
11282 |
|
BD |
BD-15 4946 |
|
Distance |
386.1 |
|
Distance ly |
1259.46 |
|