19555+4140 KOI 1689 AB
19h 55m 32.15s +41° 39' 43.4" P.A. 171.00 sep 2.8 mag 13.40,17.50
Coord 2000 |
19555+4140 |
|
Discov num |
KOI1689 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 55 32.15 +41 39 43.4 |
|
Date first |
2010 |
|
Date last |
2015 |
|
Obs |
2 |
|
Pa first |
171 |
|
Pa last |
171.3 |
|
P.A. Now (θ) |
171.3° |
|
Sep first |
2.6 |
|
Sep last |
2.768 |
|
Sep. Now (ρ) |
2.768" |
|
Mag pri |
13.40 |
|
Mag sec |
17.50 |
|
delta mag (ΔM) |
4.1 |
|
Spectral class |
|
|
Pri motion ra |
+007 |
|
Sec motion ra |
|
|
Pri motion dec |
+010 |
|
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.
19555+4140 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 55 32 +41 39 43 |
KOI 1689 AB |
2015 |
2 |
171 |
2.8 |
13.40 |
17.50 |
4.10 |
|
<=== |
Show |
|
|
19 55 32 +41 39 43 |
KOI 1689 AC |
2010 |
1 |
55 |
3.8 |
13.40 |
17.30 |
3.90 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2075345587766722944 |
|