09207-0742 A 1082 AB (HD 80615)
09h 20m 39.31s -07° 41' 56.0" P.A. 200.00 sep 0.6 mag 9.30,10.40 Sp K0
| Coord 2000 |
09207-0742 |
|
Discov num |
A 1082 |
|
Comp |
AB |
|
Coord arcsec 2000 |
09 20 39.31 -07 41 56.0 |
|
| Date first |
1905 |
|
Date last |
2019 |
|
Obs |
23 |
|
| Pa first |
160 |
|
Pa last |
200.2 |
|
P.A. Now (θ) |
200.2° |
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| Sep first |
0.8 |
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Sep last |
0.586 |
|
Sep. Now (ρ) |
0.586" |
|
| Mag pri |
9.30 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
1.1 |
|
Spectral class |
K0 (yellow-orange) |
|
| Pri motion ra |
-135 |
|
Sec motion ra |
|
|
| Pri motion dec |
-014 |
|
Sec motion dec |
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| Notes |
O
(Orbital solution) |
|
This double is physical.
09207-0742 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 80615 |
136771 |
09 20 39 -07 41 56 |
A 1082 AB |
2019 |
23 |
200 |
0.6 |
9.30 |
10.40 |
1.10 |
Y |
<=== |
| Show |
|
136773 |
09 20 44 -07 43 48 |
BGH 4 CA |
2015 |
17 |
326 |
135.0 |
7.46 |
9.30 |
1.84 |
|
|
| Show |
|
136773 |
09 20 44 -07 43 48 |
TOK 527 CD |
2015 |
4 |
342 |
999.9 |
7.46 |
17.80 |
10.34 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 80615 |
|
Constellation |
Hydra |
|
SAO |
136771 |
|
Tycho2 |
5459-00108-1 |
|
| Gaia DR2 |
5744858885451276544 |
|
HD |
80615 |
|
ADS |
7316 |
|
ORBITAL ELEMENTS
| Period (P) | 212.7y | |
Periastron (T) | 1987.66y | |
Semi-major axis (a) | 0.6a | |
| Eccentricity (e) | 0.644 | |
Inclination (i) | 127° | |
Longitude of periastron (ω) | 24.2° | |
| Node (Ω) | 5° | |
Notes | | |
Reference | Doc2011d | |
| Equinox | 2000 | |
Last observation | 2009 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
240.6 |
0.232 |
| 2001 |
235.8 |
0.250 |
| 2002 |
231.6 |
0.269 |
| 2003 |
228.0 |
0.288 |
| 2004 |
224.8 |
0.307 |
| 2005 |
222.0 |
0.326 |
| 2006 |
219.6 |
0.345 |
| 2007 |
217.3 |
0.364 |
| 2008 |
215.3 |
0.383 |
| 2009 |
213.5 |
0.401 |
| 2010 |
211.8 |
0.419 |
| 2011 |
210.3 |
0.436 |
| 2012 |
208.9 |
0.453 |
| 2013 |
207.5 |
0.470 |
| 2014 |
206.3 |
0.486 |
| 2015 |
205.2 |
0.502 |
| 2016 |
204.1 |
0.518 |
| 2017 |
203.1 |
0.533 |
| 2018 |
202.1 |
0.548 |
| 2019 |
201.2 |
0.562 |
| 2020 |
200.3 |
0.576 |
| 2021 |
199.5 |
0.590 |
| 2022 |
198.7 |
0.604 |
| 2023 |
198.0 |
0.617 |
| 2024 |
197.2 |
0.630 |
| 2025 |
196.5 |
0.642 |
| 2026 |
195.9 |
0.654 |
| 2027 |
195.2 |
0.666 |
| 2028 |
194.6 |
0.677 |
| 2029 |
194.0 |
0.689 |
| 2030 |
193.4 |
0.700 |
| 2031 |
192.9 |
0.710 |
| 2032 |
192.3 |
0.720 |
| 2033 |
191.8 |
0.731 |
| 2034 |
191.3 |
0.740 |
| 2035 |
190.8 |
0.750 |
| 2036 |
190.3 |
0.759 |
| 2037 |
189.8 |
0.768 |
| 2038 |
189.3 |
0.777 |
| 2039 |
188.9 |
0.785 |
| 2040 |
188.4 |
0.793 |
| 2041 |
188.0 |
0.801 |
| 2042 |
187.5 |
0.809 |
| 2043 |
187.1 |
0.816 |
| 2044 |
186.7 |
0.823 |
| 2045 |
186.3 |
0.830 |
| 2046 |
185.9 |
0.837 |
| 2047 |
185.5 |
0.844 |
| 2048 |
185.1 |
0.850 |
| 2049 |
184.7 |
0.856 |
| 2050 |
184.3 |
0.862 |
|
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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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