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 |
|
Discov num |
HDS1245 |
|
Comp |
|
|
Coord arcsec 2000 |
08 39 50.85 -66 04 16.7 |
|
| Date first |
1991 |
|
Date last |
2020 |
|
Obs |
16 |
|
| Pa first |
36 |
|
Pa last |
51.2 |
|
P.A. Now (θ) |
51.2° |
|
| Sep first |
0.2 |
|
Sep last |
0.213 |
|
Sep. Now (ρ) |
0.213" |
|
| Mag pri |
10.07 |
|
Mag sec |
11.83 |
|
delta mag (ΔM) |
1.76 |
|
Spectral class |
K1V: (yellow-orange) |
|
| Pri motion ra |
+092 |
|
Sec motion ra |
|
|
| Pri motion dec |
-038 |
|
Sec motion dec |
|
|
| Notes |
O
(Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 74376 |
|
Constellation |
Volans |
|
HIP |
42496 |
|
Tycho2 |
8938-01713-1 |
|
| Gaia DR2 |
5273164484424164224 |
|
HD |
74376 |
|
CP |
CP-65 989 |
|
Distance |
60.17 |
|
| Distance ly |
196.27 |
|
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 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
