17551+3134 ITF 16 AC
17h 55m 07.18s +31° 33' 36.8" P.A. 107.00 sep 11.3 mag 10.31,15.60 Sp K1V+K7V
Coord 2000 |
17551+3134 |
|
Discov num |
ITF 16 |
|
Comp |
AC |
|
Coord arcsec 2000 |
17 55 07.18 +31 33 36.8 |
|
Date first |
1952 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
102 |
|
Pa last |
107.2 |
|
P.A. Now (θ) |
107.2° |
|
Sep first |
10.7 |
|
Sep last |
11.263 |
|
Sep. Now (ρ) |
11.263" |
|
Mag pri |
10.31 |
|
Mag sec |
15.60 |
|
delta mag (ΔM) |
5.29 |
|
Spectral class |
K1V+K7V (yellow-orange/yellow-orange) |
|
Pri motion ra |
-076 |
|
Sec motion ra |
-041 |
|
Pri motion dec |
-103 |
|
Sec motion dec |
-124 |
|
Notes |
N
V
(See Notes, Proper motion indicates physical) |
|
rPM=0.313
This double is physical.
17551+3134 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 55 07 +31 33 37 |
AG 215 AB |
2015 |
23 |
49 |
42.8 |
10.31 |
11.57 |
1.26 |
|
|
Show |
|
|
17 55 07 +31 33 37 |
ITF 16 AC |
2016 |
10 |
107 |
11.3 |
10.31 |
15.60 |
5.29 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
2608-00620-1 |
|
Gaia DR2 |
4603062892329847680 |
|