17575+3942 COU 1457 AB
17h 57m 27.19s +39° 41' 34.9" P.A. 7.00 sep 1.9 mag 11.04,12.21 Sp F8
| Coord 2000 |
17575+3942 |
|
Discov num |
COU1457 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 57 27.19 +39 41 34.9 |
|
| Date first |
1976 |
|
Date last |
2016 |
|
Obs |
8 |
|
| Pa first |
6 |
|
Pa last |
7.2 |
|
P.A. Now (θ) |
7.2° |
|
| Sep first |
1.6 |
|
Sep last |
1.918 |
|
Sep. Now (ρ) |
1.918" |
|
| Mag pri |
11.04 |
|
Mag sec |
12.21 |
|
delta mag (ΔM) |
1.17 |
|
Spectral class |
F8 (yellow-white) |
|
| Pri motion ra |
-005 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
-038 |
|
Sec motion dec |
-038 |
|
| Notes |
|
|
Nature of this double is uncertain.
17575+3942 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 57 27 +39 41 35 |
COU 1457 AB |
2016 |
8 |
7 |
1.9 |
11.04 |
12.21 |
1.17 |
|
<=== |
| Show |
|
|
17 57 27 +39 41 35 |
COU 1457 AC |
2016 |
1 |
226 |
5.6 |
11.04 |
14.60 |
3.56 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
