06485-1226 A 2935 (HD 49572)
06h 48m 30.86s -12° 26' 24.7" P.A. 285.00 sep 0.2 mag 9.60,9.60 Sp G6V
| Coord 2000 |
06485-1226 |
|
Discov num |
A 2935 |
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Comp |
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Coord arcsec 2000 |
06 48 30.86 -12 26 24.7 |
|
| Date first |
1915 |
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Date last |
2020 |
|
Obs |
18 |
|
| Pa first |
305 |
|
Pa last |
284.8 |
|
P.A. Now (θ) |
270.2° |
|
| Sep first |
0.3 |
|
Sep last |
0.155 |
|
Sep. Now (ρ) |
0.139" |
|
| Mag pri |
9.60 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
G6V (yellow) |
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| Pri motion ra |
-023 |
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Sec motion ra |
|
|
| Pri motion dec |
-032 |
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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 49572 |
|
Constellation |
Canis Major |
|
SAO |
151951 |
|
Tycho2 |
5387-00345-1 |
|
| Gaia DR2 |
2952963193383316352 |
|
HD |
49572 |
|
ADS |
5477 |
|
ORBITAL ELEMENTS
| Period (P) | 68.9y | ± 0.4 |
Periastron (T) | 1974.52y | ± 0.27 |
Semi-major axis (a) | 0.223a | ± 0.001 |
| Eccentricity (e) | 0 | |
Inclination (i) | 125.3° | ± 0.6 |
Longitude of periastron (ω) | 0° | |
| Node (Ω) | 152.8° | ± 0.6 |
Notes | | |
Reference | Tok2021c | |
| Equinox | 2000 | |
Last observation | 2021 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
4.5 |
0.179 |
| 2001 |
360.0 |
0.187 |
| 2002 |
355.9 |
0.195 |
| 2003 |
352.1 |
0.202 |
| 2004 |
348.5 |
0.208 |
| 2005 |
345.1 |
0.213 |
| 2006 |
341.9 |
0.218 |
| 2007 |
338.8 |
0.221 |
| 2008 |
335.7 |
0.222 |
| 2009 |
332.7 |
0.223 |
| 2010 |
329.7 |
0.222 |
| 2011 |
326.6 |
0.220 |
| 2012 |
323.5 |
0.217 |
| 2013 |
320.3 |
0.213 |
| 2014 |
316.9 |
0.208 |
| 2015 |
313.3 |
0.202 |
| 2016 |
309.5 |
0.195 |
| 2017 |
305.3 |
0.187 |
| 2018 |
300.9 |
0.179 |
| 2019 |
295.9 |
0.170 |
| 2020 |
290.4 |
0.162 |
| 2021 |
284.4 |
0.153 |
| 2022 |
277.7 |
0.146 |
| 2023 |
270.2 |
0.139 |
| 2024 |
262.1 |
0.134 |
| 2025 |
253.5 |
0.130 |
| 2026 |
244.6 |
0.129 |
| 2027 |
235.5 |
0.130 |
| 2028 |
226.8 |
0.132 |
| 2029 |
218.4 |
0.137 |
| 2030 |
210.8 |
0.143 |
|
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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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