19405+3916 KOI 4427 AD
19h 40m 28.13s +39° 16' 26.7" P.A. 272.00 sep 5.3 mag 12.50,15.70
| Coord 2000 |
19405+3916 |
|
Discov num |
KOI4427 |
|
Comp |
AD |
|
Coord arcsec 2000 |
19 40 28.13 +39 16 26.7 |
|
| Date first |
1998 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
273 |
|
Pa last |
272.1 |
|
P.A. Now (θ) |
272.1° |
|
| Sep first |
5.4 |
|
Sep last |
5.259 |
|
Sep. Now (ρ) |
5.259" |
|
| Mag pri |
12.50 |
|
Mag sec |
15.70 |
|
delta mag (ΔM) |
3.2 |
|
Spectral class |
|
|
| Pri motion ra |
+032 |
|
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.
19405+3916 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
19 40 28 +39 16 27 |
KOI 4427 AB |
2014 |
1 |
253 |
3.2 |
12.50 |
19.50 |
7.00 |
|
|
| Show |
|
|
19 40 28 +39 16 27 |
KOI 4427 AC |
2014 |
1 |
146 |
3.4 |
12.50 |
20.30 |
7.80 |
|
|
| Show |
|
|
19 40 28 +39 16 27 |
KOI 4427 AD |
2016 |
5 |
272 |
5.3 |
12.50 |
15.70 |
3.20 |
|
<=== |
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
2076232790569562112 |
|
