17177+3537 HO 67 AB (HD 156712)
17h 17m 44.24s +35° 37' 02.9" P.A. 276.00 sep 8.0 mag 9.20,12.40 Sp A2
| Coord 2000 |
17177+3537 |
|
Discov num |
HO 67 |
|
Comp |
AB |
|
Coord arcsec 2000 |
17 17 44.24 +35 37 02.9 |
|
| Date first |
1884 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
262 |
|
Pa last |
275.8 |
|
P.A. Now (θ) |
275.8° |
|
| Sep first |
6.3 |
|
Sep last |
8.02 |
|
Sep. Now (ρ) |
8.02" |
|
| Mag pri |
9.20 |
|
Mag sec |
12.40 |
|
delta mag (ΔM) |
3.2 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
+005 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
17177+3537 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
65922 |
17 17 44 +35 37 03 |
COU 993 Aa,Ab |
2008 |
6 |
107 |
1.1 |
9.20 |
11.30 |
2.10 |
|
|
| Show |
HD 156712 |
65922 |
17 17 44 +35 37 03 |
HO 67 AB |
2015 |
13 |
276 |
8.0 |
9.20 |
12.40 |
3.20 |
|
<=== |
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 156712 |
|
Constellation |
Hercules |
|
SAO |
65922 |
|
Tycho2 |
2600-00654-1 |
|
| Gaia DR2 |
1336759372029896960 |
|
HD |
156712 |
|
