18582+4858 KOI 258 AB
18h 58m 10.04s +48° 57' 40.6" P.A. 73.00 sep 1.0 mag 10.10,13.60
| Coord 2000 |
18582+4858 |
|
Discov num |
KOI 258 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 58 10.04 +48 57 40.6 |
|
| Date first |
2010 |
|
Date last |
2017 |
|
Obs |
29 |
|
| Pa first |
72 |
|
Pa last |
72.6 |
|
P.A. Now (θ) |
72.6° |
|
| Sep first |
1.0 |
|
Sep last |
1.02 |
|
Sep. Now (ρ) |
1.02" |
|
| Mag pri |
10.10 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
3.5 |
|
Spectral class |
|
|
| Pri motion ra |
+004 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
18582+4858 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
18 58 10 +48 57 41 |
GII 275 Aa1,2 |
2014 |
2 |
130 |
0.1 |
10.90 |
10.90 |
0.00 |
|
|
| Show |
|
|
18 58 10 +48 57 41 |
KOI 258 Aa,Ab |
2014 |
6 |
79 |
0.4 |
10.10 |
13.60 |
3.50 |
|
|
| Show |
|
|
18 58 10 +48 57 41 |
KOI 258 AB |
2017 |
29 |
73 |
1.0 |
10.10 |
13.60 |
3.50 |
|
<=== |
| Show |
|
|
18 58 10 +48 57 41 |
KOI 258 AC |
2017 |
8 |
75 |
1.4 |
9.89 |
13.30 |
3.41 |
|
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
Tycho2 |
3549-02340-1 |
|
Gaia DR2 |
2131798534810060288 |
|