09379+7305 STF 1362 (HD 82685)
09h 37m 56.18s +73° 04' 49.5" P.A. 125.00 sep 4.9 mag 7.03,7.20 Sp F1V+F2V dist. 71.02 pc (231.67 l.y.)
Coord 2000 |
09379+7305 |
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Discov num |
STF1362 |
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Comp |
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Coord arcsec 2000 |
09 37 56.18 +73 04 49.5 |
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Date first |
1831 |
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Date last |
2017 |
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Obs |
107 |
|
Pa first |
140 |
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Pa last |
124.7 |
|
P.A. Now (θ) |
124.7° |
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Sep first |
7.0 |
|
Sep last |
4.929 |
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Sep. Now (ρ) |
4.929" |
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Mag pri |
7.03 |
|
Mag sec |
7.20 |
|
delta mag (ΔM) |
0.17 |
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Spectral class |
F1V+F2V (yellow-white/yellow-white) |
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Pri motion ra |
-042 |
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Sec motion ra |
-014 |
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Pri motion dec |
-020 |
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Sec motion dec |
-042 |
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Notes |
O
(Orbital solution) |
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rPM=0.765
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 82685 |
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Constellation |
Draco |
|
SAO |
6915 |
|
HIP |
47260 |
|
Tycho2 |
4389-01563-1 |
|
Gaia DR2 |
1120879850284462208 |
|
HD |
82685 |
|
HR |
3806 |
|
GC |
13252 |
|
ADS |
7446 |
|
BD |
BD+73 470 |
|
Distance |
71.02 |
|
Distance ly |
231.67 |
|
ORBITAL ELEMENTS
Period (P) | 2150.8592y | ± 851.3243 |
Periastron (T) | 1595.1769y | ± 113.4841 |
Semi-major axis (a) | 7.90482a | ± 4.45899 |
Eccentricity (e) | 0.76964 | ± 0.19104 |
Inclination (i) | 105.198° | ± 8.872 |
Longitude of periastron (ω) | 273.031° | ± 15.418 |
Node (Ω) | 154.398° | ± 11.647 |
Notes | | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2015 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
125.8 |
4.893 |
2001 |
125.7 |
4.891 |
2002 |
125.6 |
4.889 |
2003 |
125.5 |
4.887 |
2004 |
125.5 |
4.885 |
2005 |
125.4 |
4.883 |
2006 |
125.3 |
4.880 |
2007 |
125.3 |
4.878 |
2008 |
125.2 |
4.876 |
2009 |
125.1 |
4.874 |
2010 |
125.0 |
4.872 |
2011 |
125.0 |
4.870 |
2012 |
124.9 |
4.867 |
2013 |
124.8 |
4.865 |
2014 |
124.7 |
4.863 |
2015 |
124.7 |
4.861 |
2016 |
124.6 |
4.858 |
2017 |
124.5 |
4.856 |
2018 |
124.4 |
4.854 |
2019 |
124.4 |
4.852 |
2020 |
124.3 |
4.849 |
2021 |
124.2 |
4.847 |
2022 |
124.1 |
4.845 |
2023 |
124.1 |
4.842 |
2024 |
124.0 |
4.840 |
2025 |
123.9 |
4.838 |
2026 |
123.8 |
4.835 |
2027 |
123.8 |
4.833 |
2028 |
123.7 |
4.830 |
2029 |
123.6 |
4.828 |
2030 |
123.5 |
4.826 |
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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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SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
Identifier | 09379+7305 STF1362 A |
coord_arcsec_2000 | 093756.18+730449.5 |
Period (P) | 7.9y | |
Periastron (T) | 1980y | |
Semi-major axis (a) | 13.2a | ± 6 |
Eccentricity (e) | 0 | |
Inclination (i) | 62.3° | ± 18 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 54.7° | ± 21.4 |
Notes | | |
Reference | Kiy2010 | |
Equinox | | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
240.1 |
12.997 |
2001 |
270.3 |
8.846 |
2002 |
350.3 |
6.639 |
2003 |
38.6 |
11.666 |
2004 |
61.2 |
12.908 |
2005 |
92.7 |
8.566 |
2006 |
174.3 |
6.825 |
2007 |
219.9 |
11.869 |
2008 |
242.3 |
12.803 |
2009 |
275.3 |
8.289 |
2010 |
358.2 |
7.032 |
2011 |
41.2 |
12.059 |
2012 |
63.4 |
12.684 |
2013 |
98.1 |
8.017 |
2014 |
181.8 |
7.257 |
2015 |
222.4 |
12.236 |
2016 |
244.6 |
12.549 |
2017 |
281.0 |
7.753 |
2018 |
5.2 |
7.499 |
2019 |
43.7 |
12.400 |
2020 |
65.7 |
12.400 |
2021 |
104.2 |
7.499 |
2022 |
188.4 |
7.753 |
2023 |
224.8 |
12.549 |
2024 |
247.0 |
12.236 |
2025 |
287.6 |
7.257 |
2026 |
11.3 |
8.017 |
2027 |
46.0 |
12.684 |
2028 |
68.2 |
12.059 |
2029 |
111.2 |
7.032 |
2030 |
194.1 |
8.289 |
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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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SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
Identifier | 09379+7305 STF1362 A |
coord_arcsec_2000 | 093756.18+730449.5 |
Period (P) | 7.9y | |
Periastron (T) | 1980y | |
Semi-major axis (a) | 14a | ± 7.7 |
Eccentricity (e) | 0.5 | |
Inclination (i) | 62.4° | ± 19.3 |
Longitude of periastron (ω) | 81.1° | ± 36.5 |
Node (Ω) | 55° | ± 23.3 |
Notes | | |
Reference | Kiy2010 | |
Equinox | | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
315.3 |
9.810 |
2001 |
353.6 |
9.948 |
2002 |
25.0 |
11.444 |
2003 |
53.3 |
10.021 |
2004 |
201.8 |
5.342 |
2005 |
244.2 |
13.141 |
2006 |
263.3 |
13.522 |
2007 |
286.2 |
11.470 |
2008 |
319.1 |
9.714 |
2009 |
357.2 |
10.080 |
2010 |
27.8 |
11.540 |
2011 |
57.1 |
9.379 |
2012 |
212.0 |
6.591 |
2013 |
246.2 |
13.398 |
2014 |
265.3 |
13.374 |
2015 |
288.9 |
11.241 |
2016 |
322.9 |
9.642 |
2017 |
0.7 |
10.225 |
2018 |
30.4 |
11.606 |
2019 |
61.6 |
8.589 |
2020 |
219.0 |
7.777 |
2021 |
248.2 |
13.592 |
2022 |
267.3 |
13.207 |
2023 |
291.8 |
11.018 |
2024 |
326.8 |
9.595 |
2025 |
4.0 |
10.381 |
2026 |
33.1 |
11.634 |
2027 |
67.0 |
7.642 |
2028 |
224.2 |
8.850 |
2029 |
250.1 |
13.729 |
2030 |
269.4 |
13.022 |
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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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SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #3
Identifier | 09379+7305 STF1362 A |
coord_arcsec_2000 | 093756.18+730449.5 |
Period (P) | 7.9y | |
Periastron (T) | 1981.6y | |
Semi-major axis (a) | 18.4a | ± 8.5 |
Eccentricity (e) | 0.8 | |
Inclination (i) | 66.2° | ± 19.1 |
Longitude of periastron (ω) | 132° | ± 42.3 |
Node (Ω) | 62.5° | ± 22.6 |
Notes | | |
Reference | Kiy2010 | |
Equinox | | |
Last observation | | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
27.5 |
18.552 |
2001 |
36.0 |
23.176 |
2002 |
42.2 |
25.571 |
2003 |
47.9 |
25.237 |
2004 |
54.7 |
20.940 |
2005 |
73.8 |
7.711 |
2006 |
323.0 |
6.105 |
2007 |
13.5 |
12.765 |
2008 |
28.5 |
19.106 |
2009 |
36.7 |
23.521 |
2010 |
42.8 |
25.672 |
2011 |
48.5 |
25.019 |
2012 |
55.6 |
20.184 |
2013 |
83.3 |
5.079 |
2014 |
332.3 |
6.581 |
2015 |
15.7 |
13.470 |
2016 |
29.5 |
19.641 |
2017 |
37.4 |
23.844 |
2018 |
43.4 |
25.746 |
2019 |
49.1 |
24.760 |
2020 |
56.6 |
19.347 |
2021 |
117.1 |
2.213 |
2022 |
340.3 |
7.146 |
2023 |
17.6 |
14.162 |
2024 |
30.5 |
20.155 |
2025 |
38.0 |
24.144 |
2026 |
43.9 |
25.792 |
2027 |
49.7 |
24.459 |
2028 |
57.6 |
18.418 |
2029 |
218.4 |
2.698 |
2030 |
347.0 |
7.776 |
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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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