04397+0952 HDS 601 Aa,Ab
04h 39m 42.61s +09° 52' 19.4" P.A. 309.00 sep 0.6 mag 9.36,12.77 Sp K3V dist. 30.59 pc (99.78 l.y.)
Coord 2000 |
04397+0952 |
|
Discov num |
HDS 601 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
04 39 42.61 +09 52 19.4 |
|
Date first |
1991 |
|
Date last |
2020 |
|
Obs |
9 |
|
Pa first |
172 |
|
Pa last |
309.2 |
|
P.A. Now (θ) |
309.2° |
|
Sep first |
0.8 |
|
Sep last |
0.578 |
|
Sep. Now (ρ) |
0.578" |
|
Mag pri |
9.36 |
|
Mag sec |
12.77 |
|
delta mag (ΔM) |
3.41 |
|
Spectral class |
K3V (yellow-orange) |
|
Pri motion ra |
-011 |
|
Sec motion ra |
|
|
Pri motion dec |
-374 |
|
Sec motion dec |
|
|
Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
04397+0952 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
111962 |
04 39 43 +09 52 19 |
HDS 601 Aa,Ab |
2020 |
9 |
309 |
0.6 |
9.36 |
12.77 |
3.41 |
Y |
<=== |
Show |
|
111962 |
04 39 43 +09 52 19 |
GIC 51 AB |
2015 |
9 |
164 |
33.9 |
9.19 |
14.19 |
5.00 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
SAO |
111962 |
|
HIP |
21710 |
|
Tycho2 |
0686-01084-1 |
|
HD |
286955 |
|
GL |
Gl 173.1A |
|
BD |
BD+09 621 |
|
Distance |
30.59 |
|
Distance ly |
99.78 |
|
ORBITAL ELEMENTS
Period (P) | 285y | |
Periastron (T) | 1999.8y | ± 76 |
Semi-major axis (a) | 1.637a | ± 0.136 |
Eccentricity (e) | 0.19 | ± 0.09 |
Inclination (i) | 78.6° | ± 1.5 |
Longitude of periastron (ω) | 253° | ± 145 |
Node (Ω) | 335.7° | ± 4.9 |
Notes | | |
Reference | Tok2021b | |
Equinox | | |
Last observation | | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
189.2 |
0.455 |
2001 |
192.6 |
0.422 |
2002 |
196.6 |
0.390 |
2003 |
201.3 |
0.360 |
2004 |
206.8 |
0.333 |
2005 |
213.2 |
0.309 |
2006 |
220.5 |
0.289 |
2007 |
228.8 |
0.275 |
2008 |
237.9 |
0.266 |
2009 |
247.2 |
0.264 |
2010 |
256.5 |
0.269 |
2011 |
265.3 |
0.280 |
2012 |
273.2 |
0.298 |
2013 |
280.1 |
0.319 |
2014 |
286.1 |
0.345 |
2015 |
291.2 |
0.374 |
2016 |
295.5 |
0.404 |
2017 |
299.2 |
0.437 |
2018 |
302.4 |
0.470 |
2019 |
305.2 |
0.505 |
2020 |
307.6 |
0.540 |
2021 |
309.7 |
0.575 |
2022 |
311.6 |
0.611 |
2023 |
313.3 |
0.647 |
2024 |
314.8 |
0.682 |
2025 |
316.1 |
0.718 |
2026 |
317.3 |
0.754 |
2027 |
318.4 |
0.789 |
2028 |
319.4 |
0.823 |
2029 |
320.4 |
0.858 |
2030 |
321.2 |
0.892 |
|
|
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
Identifier | 04397+0952 |
coord_arcsec_2000 | 043942.61+095219.4 |
Period (P) | 1.6732y | ± 0.0005 |
Periastron (T) | 2013.958y | ± 0.013 |
Semi-major axis (a) | 0.046a | |
Eccentricity (e) | 0.426 | ± 0.018 |
Inclination (i) | 62.7° | ± 14.3 |
Longitude of periastron (ω) | 267.7° | ± 3.6 |
Node (Ω) | 286.5° | ± 10.2 |
Notes | | |
Reference | Tok2021b | |
Equinox | | |
Last observation | | |
Grade | 1 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
61.1 |
0.036 |
2001 |
309.7 |
0.043 |
2002 |
99.6 |
0.040 |
2003 |
355.1 |
0.032 |
2004 |
260.1 |
0.022 |
2005 |
58.1 |
0.035 |
2006 |
307.7 |
0.043 |
2007 |
97.4 |
0.041 |
2008 |
351.4 |
0.032 |
2009 |
251.0 |
0.019 |
2010 |
55.0 |
0.034 |
2011 |
305.8 |
0.044 |
2012 |
95.2 |
0.042 |
2013 |
347.9 |
0.033 |
2014 |
238.0 |
0.015 |
2015 |
51.8 |
0.034 |
2016 |
303.8 |
0.044 |
2017 |
93.1 |
0.042 |
2018 |
344.5 |
0.033 |
2019 |
219.2 |
0.013 |
2020 |
48.4 |
0.033 |
2021 |
301.9 |
0.044 |
2022 |
91.0 |
0.042 |
2023 |
341.3 |
0.034 |
2024 |
195.1 |
0.012 |
2025 |
44.9 |
0.032 |
2026 |
300.0 |
0.044 |
2027 |
88.9 |
0.042 |
2028 |
338.1 |
0.035 |
2029 |
171.3 |
0.013 |
2030 |
41.3 |
0.032 |
|
|
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 |
|