19559+4048 KOI 3309 AD
19h 55m 52.39s +40° 47' 50.4" P.A. 243.00 sep 5.3 mag 12.70,20.20
| Coord 2000 |
19559+4048 |
|
Discov num |
KOI3309 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 55 52.39 +40 47 50.4 |
|
| Date first |
2014 |
|
Date last |
2014 |
|
Obs |
1 |
|
| Pa first |
243 |
|
Pa last |
243 |
|
P.A. Now (θ) |
243° |
|
| Sep first |
5.3 |
|
Sep last |
5.286 |
|
Sep. Now (ρ) |
5.286" |
|
| Mag pri |
12.70 |
|
Mag sec |
20.20 |
|
delta mag (ΔM) |
7.5 |
|
Spectral class |
|
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
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.
19559+4048 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 55 52 +40 47 50 |
KOI 3309 AB |
2014 |
1 |
205 |
0.6 |
13.00 |
14.40 |
1.40 |
|
|
| Show |
|
|
19 55 52 +40 47 50 |
KOI 3309 AC |
2015 |
4 |
43 |
3.6 |
15.10 |
17.90 |
2.80 |
|
|
| Show |
|
|
19 55 52 +40 47 50 |
KOI 3309 AD |
2014 |
1 |
243 |
5.3 |
12.70 |
20.20 |
7.50 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2073620144794635136 |
|