18534-0628 J 2680 AB (HD 174939)
18h 53m 21.33s -06° 27' 25.4" P.A. 319.00 sep 91.3 mag 9.32,11.40 Sp K2
| Coord 2000 |
18534-0628 |
|
Discov num |
J 2680 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 53 21.33 -06 27 25.4 |
|
| Date first |
1943 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
320 |
|
Pa last |
319.4 |
|
P.A. Now (θ) |
319.4° |
|
| Sep first |
80.0 |
|
Sep last |
91.269 |
|
Sep. Now (ρ) |
91.269" |
|
| Mag pri |
9.32 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
2.08 |
|
Spectral class |
K2 (yellow-orange) |
|
| Pri motion ra |
+008 |
|
Sec motion ra |
-015 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
+045 |
|
| Notes |
|
|
rPM=1.047
This double is not physical.
18534-0628 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 174939 |
|
18 53 21 -06 27 25 |
J 2680 AB |
2015 |
8 |
319 |
91.3 |
9.32 |
11.40 |
2.08 |
|
<=== |
| Show |
|
|
18 53 17 -06 26 16 |
J 2680 BC |
2015 |
8 |
159 |
5.3 |
11.40 |
12.20 |
0.80 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 174939 |
|
Constellation |
Scutum |
|
Tycho2 |
5127-01509-1 |
|
Gaia DR2 |
4253933350259319808 |
|
| HD |
174939 |
|
