18181+2318 BUP 181 AC
18h 18m 07.72s +23° 17' 49.0" P.A. 125.00 sep 153.7 mag 6.68,10.04 Sp K5
| Coord 2000 |
18181+2318 |
|
Discov num |
BUP 181 |
|
Comp |
AC |
|
Coord arcsec 2000 |
18 18 07.72 +23 17 49.0 |
|
| Date first |
1878 |
|
Date last |
2015 |
|
Obs |
16 |
|
| Pa first |
126 |
|
Pa last |
125.2 |
|
P.A. Now (θ) |
125.2° |
|
| Sep first |
156.3 |
|
Sep last |
153.711 |
|
Sep. Now (ρ) |
153.711" |
|
| Mag pri |
6.68 |
|
Mag sec |
10.04 |
|
delta mag (ΔM) |
3.36 |
|
Spectral class |
K5 (yellow-orange) |
|
| Pri motion ra |
+012 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
-012 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
rPM=1.439
This double is not physical.
18181+2318 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 168323 |
85906 |
18 18 08 +23 17 49 |
BUP 181 AB |
2015 |
8 |
223 |
37.5 |
6.68 |
11.50 |
4.82 |
|
|
| Show |
|
85906 |
18 18 08 +23 17 49 |
BUP 181 AC |
2015 |
16 |
125 |
153.7 |
6.68 |
10.04 |
3.36 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
SAO |
85906 |
|
Tycho2 |
2093-00636-1 |
|
Gaia DR2 |
4530430498529889536 |
|
| HD |
341905 |
|
HR |
6854 |
|
DM |
BD+23 3299 |
|