03426+1718 RAO 78 AB
03h 42m 36.89s +17° 17' 36.6" P.A. 269.00 sep 10.1 mag 7.16,14.20 Sp G0 dist. 24.66 pc (80.44 l.y.)
Coord 2000 |
03426+1718 |
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Discov num |
RAO 78 |
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Comp |
AB |
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Coord arcsec 2000 |
03 42 36.89 +17 17 36.6 |
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Date first |
2000 |
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Date last |
2015 |
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Obs |
5 |
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Pa first |
271 |
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Pa last |
269.1 |
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P.A. Now (θ) |
269.1° |
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Sep first |
11.9 |
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Sep last |
10.126 |
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Sep. Now (ρ) |
10.126" |
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Mag pri |
7.16 |
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Mag sec |
14.20 |
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delta mag (ΔM) |
7.04 |
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Spectral class |
G0 (yellow) |
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Pri motion ra |
-125 |
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Sec motion ra |
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Pri motion dec |
+033 |
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Sec motion dec |
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Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
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This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
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SAO |
93561 |
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HIP |
17336 |
|
Tycho2 |
1239-00817-1 |
|
Gaia DR2 |
44171372114396032 |
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HD |
23052 |
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GC |
4435 |
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BD |
BD+16 497 |
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Distance |
24.66 |
|
Distance ly |
80.44 |
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SUSPECTED ORBITAL ELEMENTS
Identifier | 03426+1718 GC 4435 |
coord_arcsec_2000 | 034236.96+171736.3 |
Period (P) | 1000.6828d (2.74y) | ± 29.5905 |
Periastron (T) | 48024.4023d (1990.362y) | ± 10.0292 |
Semi-major axis (a) | 32.12m | ± 1.49 |
Eccentricity (e) | 0 | |
Inclination (i) | 78.27° | ± 1.55 |
Longitude of periastron (ω) | 0° | |
Node (Ω) | 79.5° | ± 1.86 |
Notes | n | |
Reference | HIP1997d | |
Equinox | | |
Last observation | 1991 | |
Grade | 9 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000-01-01 |
260.8 |
0.032 |
2001-01-01 |
69.1 |
0.024 |
2002-01-01 |
165.6 |
0.007 |
2003-01-01 |
269.4 |
0.025 |
2004-01-01 |
77.9 |
0.032 |
2005-01-01 |
242.4 |
0.019 |
2006-01-01 |
296.3 |
0.011 |
2007-01-01 |
85.2 |
0.029 |
2008-01-01 |
254.7 |
0.030 |
2009-01-01 |
48.9 |
0.012 |
2010-01-01 |
99.2 |
0.017 |
2011-01-01 |
261.9 |
0.031 |
2012-01-01 |
70.8 |
0.026 |
2013-01-01 |
191.0 |
0.007 |
2014-01-01 |
271.4 |
0.023 |
2015-01-01 |
79.0 |
0.032 |
2016-01-01 |
245.3 |
0.021 |
2017-01-01 |
309.0 |
0.008 |
2018-01-01 |
86.6 |
0.028 |
2019-01-01 |
255.9 |
0.031 |
2020-01-01 |
55.3 |
0.015 |
2021-01-01 |
103.8 |
0.014 |
2022-01-01 |
263.1 |
0.031 |
2023-01-01 |
72.4 |
0.028 |
2024-01-01 |
210.3 |
0.008 |
2025-01-01 |
273.8 |
0.021 |
2026-01-01 |
80.1 |
0.032 |
2027-01-01 |
247.7 |
0.023 |
2028-01-01 |
328.5 |
0.007 |
2029-01-01 |
88.2 |
0.026 |
2030-01-01 |
257.1 |
0.031 |
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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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