08398-6604 HDS 1245 (HD 74376)
08h 39m 50.85s -66° 04' 16.7" P.A. 51.00 sep 0.2 mag 10.07,11.83 Sp K1V: dist. 60.17 pc (196.27 l.y.)
Coord 2000 |
08398-6604 |
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Discov num |
HDS1245 |
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Comp |
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Coord arcsec 2000 |
08 39 50.85 -66 04 16.7 |
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Date first |
1991 |
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Date last |
2020 |
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Obs |
16 |
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Pa first |
36 |
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Pa last |
51.2 |
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P.A. Now (θ) |
51.2° |
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Sep first |
0.2 |
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Sep last |
0.213 |
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Sep. Now (ρ) |
0.213" |
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Mag pri |
10.07 |
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Mag sec |
11.83 |
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delta mag (ΔM) |
1.76 |
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Spectral class |
K1V: (yellow-orange) |
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Pri motion ra |
+092 |
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Sec motion ra |
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Pri motion dec |
-038 |
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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 74376 |
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Constellation |
Volans |
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HIP |
42496 |
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Tycho2 |
8938-01713-1 |
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Gaia DR2 |
5273164484424164224 |
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HD |
74376 |
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CP |
CP-65 989 |
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Distance |
60.17 |
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Distance ly |
196.27 |
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ORBITAL ELEMENTS
Period (P) | 33.84y | ± 0.9 |
Periastron (T) | 2013.175y | ± 0.055 |
Semi-major axis (a) | 0.2118a | ± 0.0059 |
Eccentricity (e) | 0.781 | ± 0.013 |
Inclination (i) | 129.5° | ± 2.6 |
Longitude of periastron (ω) | 97.3° | ± 1.7 |
Node (Ω) | 299.6° | ± 1.8 |
Notes | | |
Reference | Tok2016e | |
Equinox | 2000 | |
Last observation | | |
Grade | 4 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
6.3 |
0.243 |
2001 |
3.1 |
0.242 |
2002 |
359.8 |
0.239 |
2003 |
356.4 |
0.235 |
2004 |
352.9 |
0.230 |
2005 |
349.2 |
0.224 |
2006 |
345.3 |
0.215 |
2007 |
341.0 |
0.205 |
2008 |
336.3 |
0.193 |
2009 |
330.7 |
0.177 |
2010 |
324.0 |
0.157 |
2011 |
314.8 |
0.130 |
2012 |
299.2 |
0.091 |
2013 |
234.3 |
0.032 |
2014 |
120.6 |
0.074 |
2015 |
98.3 |
0.111 |
2016 |
85.8 |
0.135 |
2017 |
76.7 |
0.153 |
2018 |
69.3 |
0.167 |
2019 |
63.0 |
0.179 |
2020 |
57.4 |
0.190 |
2021 |
52.4 |
0.199 |
2022 |
47.8 |
0.207 |
2023 |
43.5 |
0.214 |
2024 |
39.4 |
0.220 |
2025 |
35.6 |
0.226 |
2026 |
32.0 |
0.230 |
2027 |
28.5 |
0.234 |
2028 |
25.1 |
0.238 |
2029 |
21.8 |
0.241 |
2030 |
18.5 |
0.243 |
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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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