19490+4017 KOI 640 AC
19h 49m 00.63s +40° 17' 18.9" P.A. 308.00 sep 1.2 mag 11.50,17.40
Coord 2000 |
19490+4017 |
|
Discov num |
KOI 640 |
|
Comp |
AC |
|
Coord arcsec 2000 |
19 49 00.63 +40 17 18.9 |
|
Date first |
2014 |
|
Date last |
2014 |
|
Obs |
1 |
|
Pa first |
308 |
|
Pa last |
308.3 |
|
P.A. Now (θ) |
308.3° |
|
Sep first |
1.2 |
|
Sep last |
1.168 |
|
Sep. Now (ρ) |
1.168" |
|
Mag pri |
11.50 |
|
Mag sec |
17.40 |
|
delta mag (ΔM) |
5.9 |
|
Spectral class |
|
|
Pri motion ra |
-027 |
|
Sec motion ra |
|
|
Pri motion dec |
-018 |
|
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.
19490+4017 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
19 49 01 +40 17 19 |
KOI 640 AB |
2017 |
14 |
121 |
0.4 |
14.50 |
14.20 |
0.30 |
|
|
Show |
|
|
19 49 01 +40 17 19 |
KOI 640 AC |
2014 |
1 |
308 |
1.2 |
11.50 |
17.40 |
5.90 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS