04063+1952 BAG 4 (HD 25811)
04h 06m 16.41s +19° 52' 28.5" P.A. 42.00 sep 0.1 mag 8.90,9.10 Sp F0
Coord 2000 |
04063+1952 |
|
Discov num |
BAG 4 |
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Comp |
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|
Coord arcsec 2000 |
04 06 16.41 +19 52 28.5 |
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Date first |
1984 |
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Date last |
2021 |
|
Obs |
25 |
|
Pa first |
81 |
|
Pa last |
41.9 |
|
P.A. Now (θ) |
14.3° |
|
Sep first |
0.1 |
|
Sep last |
0.07 |
|
Sep. Now (ρ) |
0.061" |
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Mag pri |
8.90 |
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Mag sec |
9.10 |
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delta mag (ΔM) |
0.2 |
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Spectral class |
F0 (yellow-white) |
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Pri motion ra |
+007 |
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Sec motion ra |
|
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Pri motion dec |
-011 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 25811 |
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Constellation |
Taurus |
|
SAO |
93759 |
|
Tycho2 |
1258-00022-1 |
|
Gaia DR2 |
51862730828578176 |
|
HD |
25811 |
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ORBITAL ELEMENTS SOLUTION #1
Period (P) | 30.68y | |
Periastron (T) | 1990.96y | |
Semi-major axis (a) | 0.079a | |
Eccentricity (e) | 0.045 | |
Inclination (i) | 128° | |
Longitude of periastron (ω) | 32° | |
Node (Ω) | 50° | |
Notes | n | |
Reference | Bag2001 | |
Equinox | | |
Last observation | 1997 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
254.9 |
0.071 |
2001 |
246.5 |
0.076 |
2002 |
239.1 |
0.080 |
2003 |
232.2 |
0.082 |
2004 |
225.5 |
0.082 |
2005 |
218.7 |
0.080 |
2006 |
211.3 |
0.076 |
2007 |
203.1 |
0.071 |
2008 |
193.5 |
0.066 |
2009 |
181.9 |
0.059 |
2010 |
167.8 |
0.054 |
2011 |
151.2 |
0.051 |
2012 |
133.1 |
0.050 |
2013 |
115.6 |
0.052 |
2014 |
100.1 |
0.056 |
2015 |
87.3 |
0.062 |
2016 |
76.5 |
0.067 |
2017 |
67.3 |
0.072 |
2018 |
59.0 |
0.075 |
2019 |
51.1 |
0.076 |
2020 |
43.2 |
0.075 |
2021 |
34.8 |
0.072 |
2022 |
25.4 |
0.067 |
2023 |
14.3 |
0.061 |
2024 |
0.6 |
0.054 |
2025 |
343.7 |
0.050 |
2026 |
324.3 |
0.047 |
2027 |
304.6 |
0.049 |
2028 |
287.2 |
0.053 |
2029 |
272.9 |
0.060 |
2030 |
261.5 |
0.066 |
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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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ORBITAL ELEMENTS SOLUTION #2
Period (P) | 15.89y | ± 0.12 |
Periastron (T) | 2012.25y | ± 0.39 |
Semi-major axis (a) | 0.0959a | ± 0.0025 |
Eccentricity (e) | 0.921 | ± 0.01 |
Inclination (i) | 114° | |
Longitude of periastron (ω) | 266.4° | ± 2.7 |
Node (Ω) | 133.6° | ± 8.6 |
Notes | n | |
Reference | Tok2020e | |
Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
78.0 |
0.070 |
2001 |
71.5 |
0.073 |
2002 |
65.6 |
0.075 |
2003 |
59.8 |
0.076 |
2004 |
54.1 |
0.076 |
2005 |
48.3 |
0.075 |
2006 |
42.3 |
0.073 |
2007 |
35.8 |
0.070 |
2008 |
28.6 |
0.066 |
2009 |
20.4 |
0.061 |
2010 |
10.4 |
0.054 |
2011 |
356.8 |
0.044 |
2012 |
328.6 |
0.023 |
2013 |
107.0 |
0.041 |
2014 |
93.3 |
0.056 |
2015 |
84.4 |
0.065 |
2016 |
77.2 |
0.070 |
2017 |
70.9 |
0.074 |
2018 |
64.9 |
0.075 |
2019 |
59.2 |
0.076 |
2020 |
53.5 |
0.076 |
2021 |
47.7 |
0.075 |
2022 |
41.6 |
0.072 |
2023 |
35.0 |
0.069 |
2024 |
27.8 |
0.065 |
2025 |
19.4 |
0.060 |
2026 |
9.2 |
0.053 |
2027 |
354.9 |
0.043 |
2028 |
319.7 |
0.017 |
2029 |
105.0 |
0.043 |
2030 |
92.2 |
0.058 |
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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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