17559+3326 HO 72 AD
17h 55m 50.03s +33° 25' 14.3" P.A. 45.00 sep 153.4 mag 10.20,13.20 Sp K7
Coord 2000 |
17559+3326 |
|
Discov num |
HO 72 |
|
Comp |
AD |
|
Coord arcsec 2000 |
17 55 50.03 +33 25 14.3 |
|
Date first |
1949 |
|
Date last |
2002 |
|
Obs |
4 |
|
Pa first |
50 |
|
Pa last |
45.1 |
|
P.A. Now (θ) |
45.1° |
|
Sep first |
145.4 |
|
Sep last |
153.37 |
|
Sep. Now (ρ) |
153.37" |
|
Mag pri |
10.20 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
3 |
|
Spectral class |
K7 (yellow-orange) |
|
Pri motion ra |
+012 |
|
Sec motion ra |
-003 |
|
Pri motion dec |
-231 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=0.971
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 |
4604269610637580928 |
|