18574+4131 KOI 227 AD
18h 57m 24.49s +41° 31' 09.1" P.A. 190.00 sep 6.5 mag 11.50,14.20
Coord 2000 |
18574+4131 |
|
Discov num |
KOI 227 |
|
Comp |
AD |
|
Coord arcsec 2000 |
18 57 24.49 +41 31 09.1 |
|
Date first |
1998 |
|
Date last |
2013 |
|
Obs |
2 |
|
Pa first |
189 |
|
Pa last |
189.9 |
|
P.A. Now (θ) |
189.9° |
|
Sep first |
6.9 |
|
Sep last |
6.549 |
|
Sep. Now (ρ) |
6.549" |
|
Mag pri |
11.50 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
2.7 |
|
Spectral class |
|
|
Pri motion ra |
+009 |
|
Sec motion ra |
|
|
Pri motion dec |
+007 |
|
Sec motion dec |
|
|
Notes |
K
(K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
Nature of this double is uncertain.
18574+4131 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
18 57 24 +41 31 09 |
KOI 227 AB |
2013 |
4 |
71 |
0.3 |
14.00 |
15.00 |
1.00 |
|
|
Show |
|
|
18 57 24 +41 31 09 |
KOI 227 AC |
2013 |
1 |
149 |
3.4 |
11.50 |
17.90 |
6.40 |
|
|
Show |
|
|
18 57 24 +41 31 09 |
KOI 227 AD |
2013 |
2 |
190 |
6.5 |
11.50 |
14.20 |
2.70 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS