16309+3804 STF 2059 (HD 149083)
16h 30m 55.71s +38° 03' 52.6" P.A. 179.00 sep 0.3 mag 8.75,8.79 Sp F5 dist. 203.25 pc (663 l.y.)
Coord 2000 |
16309+3804 |
|
Discov num |
STF2059 |
|
Comp |
|
|
Coord arcsec 2000 |
16 30 55.71 +38 03 52.6 |
|
Date first |
1829 |
|
Date last |
2016 |
|
Obs |
75 |
|
Pa first |
209 |
|
Pa last |
179.2 |
|
P.A. Now (θ) |
179.2° |
|
Sep first |
1.2 |
|
Sep last |
0.265 |
|
Sep. Now (ρ) |
0.265" |
|
Mag pri |
8.75 |
|
Mag sec |
8.79 |
|
delta mag (ΔM) |
0.04 |
|
Spectral class |
F5 (yellow-white) |
|
Pri motion ra |
-010 |
|
Sec motion ra |
-010 |
|
Pri motion dec |
+042 |
|
Sec motion dec |
+042 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 149083 |
|
Constellation |
Hercules |
|
SAO |
65355 |
|
HIP |
80885 |
|
Tycho2 |
3063-01619-1 |
|
HD |
149083 |
|
GC |
22222 |
|
ADS |
10093 |
|
BD |
BD+38 2788 |
|
Distance |
203.25 |
|
Distance ly |
663 |
|
ORBITAL ELEMENTS
Period (P) | 955y | |
Periastron (T) | 2059y | |
Semi-major axis (a) | 1.114a | |
Eccentricity (e) | 0.52 | |
Inclination (i) | 102.8° | |
Longitude of periastron (ω) | 297.9° | |
Node (Ω) | 23.8° | |
Notes | | |
Reference | Zir2014a | |
Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
189.6 |
0.466 |
2001 |
189.2 |
0.456 |
2002 |
188.7 |
0.446 |
2003 |
188.3 |
0.436 |
2004 |
187.8 |
0.425 |
2005 |
187.3 |
0.415 |
2006 |
186.8 |
0.405 |
2007 |
186.2 |
0.395 |
2008 |
185.6 |
0.385 |
2009 |
185.0 |
0.374 |
2010 |
184.4 |
0.364 |
2011 |
183.7 |
0.353 |
2012 |
183.0 |
0.343 |
2013 |
182.2 |
0.333 |
2014 |
181.3 |
0.322 |
2015 |
180.5 |
0.312 |
2016 |
179.5 |
0.301 |
2017 |
178.5 |
0.291 |
2018 |
177.4 |
0.280 |
2019 |
176.3 |
0.270 |
2020 |
175.0 |
0.260 |
2021 |
173.6 |
0.249 |
2022 |
172.1 |
0.239 |
2023 |
170.5 |
0.229 |
2024 |
168.8 |
0.219 |
2025 |
166.8 |
0.209 |
2026 |
164.7 |
0.200 |
2027 |
162.4 |
0.190 |
2028 |
159.8 |
0.181 |
2029 |
157.0 |
0.173 |
2030 |
153.9 |
0.164 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|