19540+4129 KOI 1686 AB
19h 54m 01.74s +41° 28' 44.5" P.A. 41.00 sep 0.0 mag 13.10,13.40
| Coord 2000 |
19540+4129 |
|
Discov num |
KOI1686 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 54 01.74 +41 28 44.5 |
|
| Date first |
2013 |
|
Date last |
2013 |
|
Obs |
1 |
|
| Pa first |
41 |
|
Pa last |
40.9 |
|
P.A. Now (θ) |
40.9° |
|
| Sep first |
0.0 |
|
Sep last |
0.022 |
|
Sep. Now (ρ) |
0.022" |
|
| Mag pri |
13.10 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
+006 |
|
Sec motion ra |
|
|
| Pri motion dec |
+039 |
|
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.
19540+4129 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 54 02 +41 28 44 |
KOI 1686 AB |
2013 |
1 |
41 |
0.0 |
13.10 |
13.40 |
0.30 |
|
<=== |
| Show |
|
|
19 54 02 +41 28 44 |
KOI 1686 AC |
2013 |
2 |
261 |
3.5 |
12.50 |
19.80 |
7.30 |
|
|
| Show |
|
|
19 54 02 +41 28 44 |
KOI 1686 AD |
2013 |
3 |
346 |
3.8 |
12.50 |
18.60 |
6.10 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2075385994820474752 |
|