18534+1851 SKF 331 AC
18h 53m 22.90s +18° 53' 06.1" P.A. 239.00 sep 2.6 mag 11.80,12.70 Sp M1
| Coord 2000 |
18534+1851 |
|
Discov num |
SKF 331 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 53 22.90 +18 53 06.1 |
|
| Date first |
2004 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
240 |
|
Pa last |
239.4 |
|
P.A. Now (θ) |
239.4° |
|
| Sep first |
2.7 |
|
Sep last |
2.646 |
|
Sep. Now (ρ) |
2.646" |
|
| Mag pri |
11.80 |
|
Mag sec |
12.70 |
|
delta mag (ΔM) |
0.9 |
|
Spectral class |
M1 (red) |
|
| Pri motion ra |
+175 |
|
Sec motion ra |
|
|
| Pri motion dec |
+181 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18534+1851 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 53 23 +18 53 06 |
LDS 5867 AB |
2016 |
14 |
207 |
210.7 |
11.84 |
12.50 |
0.66 |
|
|
| Show |
|
|
18 53 23 +18 53 06 |
SKF 331 AC |
2015 |
3 |
239 |
2.6 |
11.80 |
12.70 |
0.90 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Tycho2 |
1592-00154-1 |
|
Gaia DR2 |
4518377377198705280 |
|
