19305+4246 KOI 2687 AC
19h 30m 27.62s +42° 45' 51.3" P.A. 267.00 sep 3.8 mag 8.70,14.50
Coord 2000 |
19305+4246 |
|
Discov num |
KOI2687 |
|
Comp |
AC |
|
Coord arcsec 2000 |
19 30 27.62 +42 45 51.3 |
|
Date first |
2014 |
|
Date last |
2014 |
|
Obs |
1 |
|
Pa first |
267 |
|
Pa last |
266.9 |
|
P.A. Now (θ) |
266.9° |
|
Sep first |
3.8 |
|
Sep last |
3.81 |
|
Sep. Now (ρ) |
3.81" |
|
Mag pri |
8.70 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
5.8 |
|
Spectral class |
|
|
Pri motion ra |
-019 |
|
Sec motion ra |
|
|
Pri motion dec |
+021 |
|
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.
19305+4246 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 30 28 +42 45 51 |
KOI 2687 AB |
2014 |
1 |
239 |
2.8 |
8.70 |
13.00 |
4.30 |
|
|
Show |
|
|
19 30 28 +42 45 51 |
KOI 2687 AC |
2014 |
1 |
267 |
3.8 |
8.70 |
14.50 |
5.80 |
|
<=== |
Show |
|
|
19 30 28 +42 45 51 |
KOI 2687 AD |
2014 |
1 |
106 |
5.2 |
8.70 |
14.90 |
6.20 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Gaia DR2 |
2125751461382627840 |
|