20316+4059 CAN 13 AB
20h 31m 36.91s +40° 59' 09.3" P.A. 80.00 sep 5.2 mag 6.80,15.60 Sp O7I
Coord 2000 |
20316+4059 |
|
Discov num |
CAN 13 |
|
Comp |
AB |
|
Coord arcsec 2000 |
20 31 36.91 +40 59 09.3 |
|
Date first |
2008 |
|
Date last |
2008 |
|
Obs |
1 |
|
Pa first |
80 |
|
Pa last |
79.5 |
|
P.A. Now (θ) |
79.5° |
|
Sep first |
5.2 |
|
Sep last |
5.2 |
|
Sep. Now (ρ) |
5.2" |
|
Mag pri |
6.80 |
|
Mag sec |
15.60 |
|
delta mag (ΔM) |
8.8 |
|
Spectral class |
O7I (blue) |
|
Pri motion ra |
|
|
Sec motion ra |
|
|
Pri motion dec |
|
|
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.
20316+4059 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
20 31 37 +40 59 09 |
CAN 13 AB |
2008 |
1 |
80 |
5.2 |
6.80 |
15.60 |
8.80 |
|
<=== |
Show |
|
|
20 31 37 +40 59 09 |
CAN 13 AC |
2014 |
4 |
261 |
12.6 |
6.80 |
14.20 |
7.40 |
|
|
Show |
|
|
20 31 37 +40 59 09 |
CAN 13 AD |
2008 |
1 |
351 |
13.9 |
6.80 |
13.00 |
6.20 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS