19489+4723 KOI 2390 AD
19h 48m 51.79s +47° 22' 42.6" P.A. 236.00 sep 5.9 mag 10.80,14.80
Coord 2000 |
19489+4723 |
|
Discov num |
KOI2390 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 48 51.79 +47 22 42.6 |
|
Date first |
1998 |
|
Date last |
2015 |
|
Obs |
4 |
|
Pa first |
236 |
|
Pa last |
236.4 |
|
P.A. Now (θ) |
236.4° |
|
Sep first |
5.7 |
|
Sep last |
5.857 |
|
Sep. Now (ρ) |
5.857" |
|
Mag pri |
10.80 |
|
Mag sec |
14.80 |
|
delta mag (ΔM) |
4 |
|
Spectral class |
|
|
Pri motion ra |
+008 |
|
Sec motion ra |
|
|
Pri motion dec |
+002 |
|
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.
19489+4723 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 48 52 +47 22 43 |
KOI 2390 AB |
2012 |
1 |
119 |
0.9 |
10.80 |
17.30 |
6.50 |
|
|
Show |
|
|
19 48 52 +47 22 43 |
KOI 2390 AC |
2012 |
1 |
119 |
4.5 |
10.80 |
16.00 |
5.20 |
|
|
Show |
|
|
19 48 52 +47 22 43 |
KOI 2390 AD |
2015 |
4 |
236 |
5.9 |
10.80 |
14.80 |
4.00 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2086389357427331712 |
|