18590-0740 J 2161 BC
18h 59m 03.76s -07° 39' 34.9" P.A. 130.00 sep 3.7 mag 13.60,14.10
| Coord 2000 |
18590-0740 |
|
Discov num |
J 2161 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 59 03.76 -07 39 34.9 |
|
| Date first |
1942 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
140 |
|
Pa last |
129.5 |
|
P.A. Now (θ) |
129.5° |
|
| Sep first |
4.0 |
|
Sep last |
3.735 |
|
Sep. Now (ρ) |
3.735" |
|
| Mag pri |
13.60 |
|
Mag sec |
14.10 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
|
|
| Pri motion dec |
-004 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18590-0740 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 59 03 -07 40 02 |
J 2161 AB |
2015 |
4 |
25 |
29.6 |
10.10 |
13.60 |
3.50 |
|
|
| Show |
|
|
18 59 04 -07 39 35 |
J 2161 BC |
2015 |
4 |
130 |
3.7 |
13.60 |
14.10 |
0.50 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Aquila |
|
Gaia DR2 |
4205519688627674880 |
|
