20042+4442 KOI 917 AC
20h 04m 11.89s +44° 42' 22.6" P.A. 177.00 sep 3.9 mag 13.50,17.80
Coord 2000 |
20042+4442 |
|
Discov num |
KOI 917 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 04 11.89 +44 42 22.6 |
|
Date first |
2010 |
|
Date last |
2010 |
|
Obs |
1 |
|
Pa first |
177 |
|
Pa last |
176.5 |
|
P.A. Now (θ) |
176.5° |
|
Sep first |
3.9 |
|
Sep last |
3.866 |
|
Sep. Now (ρ) |
3.866" |
|
Mag pri |
13.50 |
|
Mag sec |
17.80 |
|
delta mag (ΔM) |
4.3 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
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.
20042+4442 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 04 12 +44 42 23 |
KOI 917 AB |
2015 |
2 |
43 |
2.7 |
13.50 |
18.00 |
4.50 |
|
|
Show |
|
|
20 04 12 +44 42 23 |
KOI 917 AC |
2010 |
1 |
177 |
3.9 |
13.50 |
17.80 |
4.30 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2082086723605479424 |
|