17471+4737 CHR 64 (HD 162132)
17h 47m 08.05s +47° 36' 44.0" P.A. 153.00 sep 0.4 mag 6.56,9.85 Sp A2V dist. 116.82 pc (381.07 l.y.)
Coord 2000 |
17471+4737 |
|
Discov num |
CHR 64 |
|
Comp |
|
|
Coord arcsec 2000 |
17 47 08.05 +47 36 44.0 |
|
Date first |
1985 |
|
Date last |
2011 |
|
Obs |
21 |
|
Pa first |
111 |
|
Pa last |
152.8 |
|
P.A. Now (θ) |
152.8° |
|
Sep first |
0.1 |
|
Sep last |
0.421 |
|
Sep. Now (ρ) |
0.421" |
|
Mag pri |
6.56 |
|
Mag sec |
9.85 |
|
delta mag (ΔM) |
3.29 |
|
Spectral class |
A2V (white) |
|
Pri motion ra |
-024 |
|
Sec motion ra |
|
|
Pri motion dec |
+004 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 162132 |
|
Constellation |
Hercules |
|
SAO |
46954 |
|
HIP |
87045 |
|
Tycho2 |
3514-00620-1 |
|
Gaia DR2 |
1362826937299884288 |
|
HD |
162132 |
|
HR |
6641 |
|
GC |
24173 |
|
BD |
BD+47 2537 |
|
Distance |
116.82 |
|
Distance ly |
381.07 |
|
ORBITAL ELEMENTS
Period (P) | 200.9y | |
Periastron (T) | 1948.47y | |
Semi-major axis (a) | 0.451a | |
Eccentricity (e) | 0.247 | |
Inclination (i) | 73.4° | |
Longitude of periastron (ω) | 186.1° | |
Node (Ω) | 164.9° | |
Notes | n | |
Reference | Lin2012c | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
143.0 |
0.300 |
2001 |
144.0 |
0.311 |
2002 |
145.0 |
0.322 |
2003 |
146.0 |
0.332 |
2004 |
146.9 |
0.343 |
2005 |
147.7 |
0.353 |
2006 |
148.5 |
0.363 |
2007 |
149.2 |
0.372 |
2008 |
150.0 |
0.382 |
2009 |
150.6 |
0.391 |
2010 |
151.3 |
0.400 |
2011 |
151.9 |
0.409 |
2012 |
152.5 |
0.418 |
2013 |
153.0 |
0.427 |
2014 |
153.6 |
0.435 |
2015 |
154.1 |
0.443 |
2016 |
154.6 |
0.450 |
2017 |
155.1 |
0.458 |
2018 |
155.6 |
0.465 |
2019 |
156.0 |
0.472 |
2020 |
156.5 |
0.479 |
2021 |
156.9 |
0.485 |
2022 |
157.3 |
0.492 |
2023 |
157.8 |
0.498 |
2024 |
158.2 |
0.503 |
2025 |
158.6 |
0.509 |
2026 |
158.9 |
0.514 |
2027 |
159.3 |
0.519 |
2028 |
159.7 |
0.523 |
2029 |
160.1 |
0.528 |
2030 |
160.4 |
0.532 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|