08279-2608 HDS 1207 (HD 71688)
08h 27m 53.71s -26° 07' 58.6" P.A. 304.00 sep 0.3 mag 6.69,10.06 Sp A1/A2V dist. 96.99 pc (316.38 l.y.)
| Coord 2000 |
08279-2608 |
|
Discov num |
HDS1207 |
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Comp |
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Coord arcsec 2000 |
08 27 53.71 -26 07 58.6 |
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| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
7 |
|
| Pa first |
36 |
|
Pa last |
304.1 |
|
P.A. Now (θ) |
304.1° |
|
| Sep first |
0.2 |
|
Sep last |
0.257 |
|
Sep. Now (ρ) |
0.257" |
|
| Mag pri |
6.69 |
|
Mag sec |
10.06 |
|
delta mag (ΔM) |
3.37 |
|
Spectral class |
A1/A2V (white) |
|
| Pri motion ra |
-042 |
|
Sec motion ra |
|
|
| Pri motion dec |
-005 |
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Sec motion dec |
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| Notes |
O
(Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 71688 |
|
Constellation |
Pyxis |
|
SAO |
175883 |
|
HIP |
41504 |
|
| Tycho2 |
6573-04333-1 |
|
Gaia DR2 |
5695016172244129408 |
|
HD |
71688 |
|
HR |
3339 |
|
| GC |
11583 |
|
CD |
CD-25 6109 |
|
CP |
CP-25 3652 |
|
Distance |
96.99 |
|
| Distance ly |
316.38 |
|
ORBITAL ELEMENTS
| Period (P) | 57.572y | |
Periastron (T) | 2002.556y | |
Semi-major axis (a) | 0.227a | |
| Eccentricity (e) | 0.416 | |
Inclination (i) | 27° | |
Longitude of periastron (ω) | 124.3° | |
| Node (Ω) | 30.9° | |
Notes | n | |
Reference | Tok2018e | |
| Equinox | 2000 | |
Last observation | 2018 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
113.9 |
0.127 |
| 2001 |
130.8 |
0.122 |
| 2002 |
148.6 |
0.121 |
| 2003 |
165.9 |
0.125 |
| 2004 |
181.8 |
0.132 |
| 2005 |
195.9 |
0.141 |
| 2006 |
208.3 |
0.150 |
| 2007 |
219.2 |
0.159 |
| 2008 |
228.9 |
0.168 |
| 2009 |
237.7 |
0.177 |
| 2010 |
245.7 |
0.185 |
| 2011 |
253.0 |
0.193 |
| 2012 |
259.7 |
0.201 |
| 2013 |
266.0 |
0.208 |
| 2014 |
271.8 |
0.215 |
| 2015 |
277.2 |
0.222 |
| 2016 |
282.4 |
0.229 |
| 2017 |
287.2 |
0.236 |
| 2018 |
291.8 |
0.242 |
| 2019 |
296.1 |
0.248 |
| 2020 |
300.3 |
0.254 |
| 2021 |
304.2 |
0.260 |
| 2022 |
308.0 |
0.265 |
| 2023 |
311.7 |
0.270 |
| 2024 |
315.2 |
0.275 |
| 2025 |
318.6 |
0.279 |
| 2026 |
321.9 |
0.283 |
| 2027 |
325.1 |
0.287 |
| 2028 |
328.3 |
0.290 |
| 2029 |
331.3 |
0.293 |
| 2030 |
334.4 |
0.295 |
|
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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