17559+3326 HO 72 BC
17h 55m 49.98s +33° 25' 44.6" P.A. 162.00 sep 23.0 mag 12.90,14.40
| Coord 2000 |
17559+3326 |
|
Discov num |
HO 72 |
|
Comp |
BC |
|
Coord arcsec 2000 |
17 55 49.98 +33 25 44.6 |
|
| Date first |
1899 |
|
Date last |
2003 |
|
Obs |
11 |
|
| Pa first |
83 |
|
Pa last |
162.3 |
|
P.A. Now (θ) |
162.3° |
|
| Sep first |
5.0 |
|
Sep last |
23.02 |
|
Sep. Now (ρ) |
23.02" |
|
| Mag pri |
12.90 |
|
Mag sec |
14.40 |
|
delta mag (ΔM) |
1.5 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
+012 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
-267 |
|
| Notes |
L
(Linear solution) |
|
rPM=0.994
This double is not physical.
17559+3326 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
|
17 55 50 +33 25 14 |
HO 72 AB |
2015 |
23 |
359 |
33.4 |
10.20 |
12.90 |
2.70 |
|
|
| Show |
|
|
17 55 50 +33 25 14 |
HO 72 AC |
2016 |
20 |
37 |
10.6 |
10.20 |
14.40 |
4.20 |
|
|
| Show |
|
|
17 55 50 +33 25 14 |
HO 72 AD |
2002 |
4 |
45 |
153.4 |
10.20 |
13.20 |
3.00 |
|
|
| Show |
|
|
17 55 50 +33 25 45 |
HO 72 BC |
2003 |
11 |
162 |
23.0 |
12.90 |
14.40 |
1.50 |
|
<=== |
| Show |
|
|
17 55 50 +33 25 45 |
HO 72 BD |
2015 |
11 |
56 |
134.4 |
12.90 |
13.20 |
0.30 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Hercules |
|
Gaia DR2 |
4604269610637585024 |
|
