17555+4108 COU 1601 Aa,Ab
17h 55m 31.53s +41° 07' 48.5" P.A. 63.00 sep 0.5 mag 9.69,9.91 Sp F3V
Coord 2000 |
17555+4108 |
|
Discov num |
COU1601 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
17 55 31.53 +41 07 48.5 |
|
Date first |
1977 |
|
Date last |
2016 |
|
Obs |
17 |
|
Pa first |
69 |
|
Pa last |
62.9 |
|
P.A. Now (θ) |
62.9° |
|
Sep first |
0.5 |
|
Sep last |
0.533 |
|
Sep. Now (ρ) |
0.533" |
|
Mag pri |
9.69 |
|
Mag sec |
9.91 |
|
delta mag (ΔM) |
0.22 |
|
Spectral class |
F3V (yellow-white) |
|
Pri motion ra |
-016 |
|
Sec motion ra |
-016 |
|
Pri motion dec |
-015 |
|
Sec motion dec |
-015 |
|
Notes |
|
|
Nature of this double is uncertain.
17555+4108 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
17 55 32 +41 07 48 |
COU 1601 Aa,Ab |
2016 |
17 |
63 |
0.5 |
9.69 |
9.91 |
0.22 |
|
<=== |
Show |
|
|
17 55 32 +41 07 48 |
ES 1557 AB |
2015 |
20 |
11 |
11.5 |
9.08 |
12.40 |
3.32 |
|
|
Show |
|
|
17 55 32 +41 07 48 |
ES 1557 AC |
2015 |
10 |
216 |
27.0 |
9.08 |
12.29 |
3.21 |
|
|
Show |
|
|
17 55 32 +41 07 48 |
ES 1557 AD |
2015 |
8 |
312 |
40.1 |
9.08 |
13.35 |
4.27 |
|
|
Show |
|
|
17 55 32 +41 07 48 |
ABH 92 AE |
2015 |
7 |
324 |
71.1 |
9.08 |
14.83 |
5.75 |
|
|
Sextuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Hercules |
|
Tycho2 |
3093-00705-1 |
|
Gaia DR2 |
1344950488843424384 |
|