18197+0207 AG 219 AB (HD 168458)
18h 19m 40.74s +02° 07' 04.4" P.A. 34.00 sep 8.7 mag 10.08,10.80 Sp K0
| Coord 2000 |
18197+0207 |
|
Discov num |
AG 219 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 19 40.74 +02 07 04.4 |
|
| Date first |
1902 |
|
Date last |
2018 |
|
Obs |
28 |
|
| Pa first |
36 |
|
Pa last |
34.1 |
|
P.A. Now (θ) |
34.1° |
|
| Sep first |
7.3 |
|
Sep last |
8.702 |
|
Sep. Now (ρ) |
8.702" |
|
| Mag pri |
10.08 |
|
Mag sec |
10.80 |
|
delta mag (ΔM) |
0.72 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-049 |
|
Sec motion ra |
-042 |
|
| Pri motion dec |
+058 |
|
Sec motion dec |
+057 |
|
| Notes |
|
|
rPM=0.093 (< 0.3, Physical double)
This double is physical.
18197+0207 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 168458 |
123361 |
18 19 41 +02 07 04 |
AG 219 AB |
2018 |
28 |
34 |
8.7 |
10.08 |
10.80 |
0.72 |
|
<=== |
| Show |
|
123361 |
18 19 41 +02 07 04 |
AG 219 AC |
2015 |
8 |
243 |
6.0 |
10.08 |
12.50 |
2.42 |
|
|
| Show |
|
123361 |
18 19 41 +02 07 04 |
AG 219 AD |
2015 |
9 |
251 |
57.1 |
10.08 |
13.30 |
3.22 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 168458 |
|
Constellation |
Ophiuchus |
|
SAO |
123361 |
|
Tycho2 |
0436-03032-1 |
|
| Gaia DR2 |
4277460979249155840 |
|
HD |
168458 |
|
