18030-0237 GII 257 Aa,Ab
18h 02m 59.91s -02° 36' 39.3" P.A. 286.00 sep 0.1 mag 10.30,10.30 Sp G0
| Coord 2000 |
18030-0237 |
|
Discov num |
GII 257 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
18 02 59.91 -02 36 39.3 |
|
| Date first |
2013 |
|
Date last |
2013 |
|
Obs |
2 |
|
| Pa first |
276 |
|
Pa last |
286.4 |
|
P.A. Now (θ) |
286.4° |
|
| Sep first |
0.2 |
|
Sep last |
0.106 |
|
Sep. Now (ρ) |
0.106" |
|
| Mag pri |
10.30 |
|
Mag sec |
10.30 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
-028 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
18030-0237 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 02 60 -02 36 39 |
GII 257 Aa,Ab |
2013 |
2 |
286 |
0.1 |
10.30 |
10.30 |
0.00 |
|
<=== |
| Show |
HD 164788 |
|
18 02 60 -02 36 39 |
A 35 AB |
2018 |
37 |
297 |
1.4 |
9.53 |
10.08 |
0.55 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Serpens |
|
Tycho2 |
5100-00275-1 |
|
HD |
164788 |
|
