18157+2400 STF 2301 AB (HD 167783)
18h 15m 45.90s +23° 59' 45.7" P.A. 128.00 sep 21.4 mag 8.84,9.78 Sp K0 dist. 303.03 pc (988.48 l.y.)
| Coord 2000 |
18157+2400 |
|
Discov num |
STF2301 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 15 45.90 +23 59 45.7 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
36 |
|
| Pa first |
123 |
|
Pa last |
128.1 |
|
P.A. Now (θ) |
128.1° |
|
| Sep first |
22.7 |
|
Sep last |
21.408 |
|
Sep. Now (ρ) |
21.408" |
|
| Mag pri |
8.84 |
|
Mag sec |
9.78 |
|
delta mag (ΔM) |
0.94 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
+005 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=1.31
This double is not physical.
18157+2400 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 167783 |
85869 |
18 15 46 +23 59 46 |
STF 2301 AB |
2015 |
36 |
128 |
21.4 |
8.84 |
9.78 |
0.94 |
|
<=== |
| Show |
|
85869 |
18 15 46 +23 59 46 |
FOX 222 AC |
2015 |
9 |
214 |
35.3 |
8.84 |
13.02 |
4.18 |
|
|
| Show |
|
|
18 15 44 +23 59 16 |
POU 3370 CD |
2015 |
11 |
141 |
7.9 |
13.02 |
14.08 |
1.06 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 167783 |
|
Constellation |
Hercules |
|
SAO |
85869 |
|
HIP |
89491 |
|
| Tycho2 |
2092-00829-1 |
|
Gaia DR2 |
4578557252047032960 |
|
HD |
167783 |
|
GC |
24921 |
|
| BD |
BD+23 3287 |
|
Distance |
303.03 |
|
Distance ly |
988.48 |
|
