18311-3259 HWE 43 AB (HD 170479)
18h 31m 04.85s -32° 59' 20.4" P.A. 185.00 sep 3.4 mag 5.41,9.78 Sp A3m dist. 88.89 pc (289.96 l.y.)
| Coord 2000 |
18311-3259 |
|
Discov num |
HWE 43 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 31 04.85 -32 59 20.4 |
|
| Date first |
1877 |
|
Date last |
2016 |
|
Obs |
18 |
|
| Pa first |
208 |
|
Pa last |
185.1 |
|
P.A. Now (θ) |
185.1° |
|
| Sep first |
2.3 |
|
Sep last |
3.4 |
|
Sep. Now (ρ) |
3.4" |
|
| Mag pri |
5.41 |
|
Mag sec |
9.78 |
|
delta mag (ΔM) |
4.37 |
|
Spectral class |
A3m (white) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-041 |
|
Sec motion dec |
-047 |
|
| Notes |
|
|
rPM=0.128 (< 0.3, Physical double)
This double is physical.
18311-3259 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170479 |
210257 |
18 31 05 -32 59 20 |
HWE 43 AB |
2016 |
18 |
185 |
3.4 |
5.41 |
9.78 |
4.37 |
|
<=== |
| Show |
|
210257 |
18 31 05 -32 59 20 |
HWE 43 AC |
1999 |
5 |
339 |
32.1 |
5.41 |
13.00 |
7.59 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170479 |
|
Constellation |
Sagittarius |
|
SAO |
210257 |
|
HIP |
90763 |
|
| Tycho2 |
7398-01220-1 |
|
Gaia DR2 |
4044965912701284224 |
|
HD |
170479 |
|
HR |
6936 |
|
| GC |
25263 |
|
CD |
CD-3313281 |
|
CP |
CP-33 5124 |
|
Distance |
88.89 |
|
| Distance ly |
289.96 |
|
