19490+4017 KOI 640 AB
19h 49m 00.63s +40° 17' 18.9" P.A. 121.00 sep 0.4 mag 14.50,14.20
Coord 2000 |
19490+4017 |
|
Discov num |
KOI 640 |
|
Comp |
AB |
|
Coord arcsec 2000 |
19 49 00.63 +40 17 18.9 |
|
Date first |
2011 |
|
Date last |
2017 |
|
Obs |
14 |
|
Pa first |
120 |
|
Pa last |
120.9 |
|
P.A. Now (θ) |
120.9° |
|
Sep first |
0.4 |
|
Sep last |
0.427 |
|
Sep. Now (ρ) |
0.427" |
|
Mag pri |
14.50 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
Pri motion ra |
-029 |
|
Sec motion ra |
|
|
Pri motion dec |
-017 |
|
Sec motion dec |
|
|
Notes |
V
(Proper motion indicates physical) |
|
This double is physical.
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