17574+3540 HO 73 CD
17h 57m 11.23s +35° 40' 10.5" P.A. 213.00 sep 1.8 mag 11.12,11.14 Sp G5
| Coord 2000 |
17574+3540 |
|
Discov num |
HO 73 |
|
Comp |
CD |
|
Coord arcsec 2000 |
17 57 11.23 +35 40 10.5 |
|
| Date first |
1885 |
|
Date last |
2019 |
|
Obs |
40 |
|
| Pa first |
211 |
|
Pa last |
212.7 |
|
P.A. Now (θ) |
212.7° |
|
| Sep first |
1.7 |
|
Sep last |
1.8 |
|
Sep. Now (ρ) |
1.8" |
|
| Mag pri |
11.12 |
|
Mag sec |
11.14 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
G5 (yellow) |
|
| Pri motion ra |
-055 |
|
Sec motion ra |
|
|
| Pri motion dec |
-049 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
17574+3540 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 163991 |
66507 |
17 57 21 +35 40 30 |
STF 2257 AB |
2017 |
21 |
153 |
23.4 |
7.69 |
11.15 |
3.46 |
|
|
| Show |
|
66507 |
17 57 21 +35 40 30 |
WAL 86 AC |
2015 |
14 |
261 |
122.0 |
7.69 |
11.12 |
3.43 |
|
|
| Show |
|
|
17 57 11 +35 40 10 |
HO 73 CD |
2019 |
40 |
213 |
1.8 |
11.12 |
11.14 |
0.02 |
|
<=== |
| Show |
|
|
17 57 11 +35 40 10 |
STF 2256 CE |
2015 |
18 |
350 |
9.1 |
11.12 |
14.10 |
2.98 |
|
|
Quintuple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
