04002+0818 A 1936 BC
04h 00m 09.54s +08° 18' 18.9" P.A. 285.00 sep 0.4 mag 9.60,9.70 Sp K0
Coord 2000 |
04002+0818 |
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Discov num |
A 1936 |
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Comp |
BC |
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Coord arcsec 2000 |
04 00 09.54 +08 18 18.9 |
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Date first |
1908 |
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Date last |
2021 |
|
Obs |
22 |
|
Pa first |
136 |
|
Pa last |
285 |
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P.A. Now (θ) |
285° |
|
Sep first |
0.4 |
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Sep last |
0.388 |
|
Sep. Now (ρ) |
0.388" |
|
Mag pri |
9.60 |
|
Mag sec |
9.70 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
K0 (yellow-orange) |
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Pri motion ra |
+029 |
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Sec motion ra |
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Pri motion dec |
+018 |
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Sec motion dec |
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Notes |
O
(Orbital solution) |
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This double is physical.
04002+0818 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
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04 00 09 +08 18 15 |
A 1936 A,BC |
2013 |
17 |
26 |
4.1 |
10.48 |
10.33 |
0.15 |
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Show |
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04 00 10 +08 18 19 |
A 1936 BC |
2021 |
22 |
285 |
0.4 |
9.60 |
9.70 |
0.10 |
Y |
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Taurus |
|
Gaia DR2 |
3301322493199092608 |
|
ADS |
2923 |
|
ORBITAL ELEMENTS
Period (P) | 225y | |
Periastron (T) | 1978.87y | |
Semi-major axis (a) | 0.425a | |
Eccentricity (e) | 0.179 | |
Inclination (i) | 152.4° | |
Longitude of periastron (ω) | 51.3° | |
Node (Ω) | 68.9° | |
Notes | | |
Reference | Tok2017c | |
Equinox | 2000 | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
328.8 |
0.326 |
2001 |
326.5 |
0.328 |
2002 |
324.1 |
0.331 |
2003 |
321.9 |
0.333 |
2004 |
319.6 |
0.335 |
2005 |
317.4 |
0.338 |
2006 |
315.2 |
0.341 |
2007 |
313.0 |
0.343 |
2008 |
310.9 |
0.346 |
2009 |
308.8 |
0.349 |
2010 |
306.8 |
0.352 |
2011 |
304.8 |
0.355 |
2012 |
302.8 |
0.359 |
2013 |
300.8 |
0.362 |
2014 |
298.9 |
0.365 |
2015 |
297.1 |
0.369 |
2016 |
295.2 |
0.372 |
2017 |
293.4 |
0.375 |
2018 |
291.7 |
0.379 |
2019 |
289.9 |
0.382 |
2020 |
288.2 |
0.386 |
2021 |
286.5 |
0.389 |
2022 |
284.9 |
0.392 |
2023 |
283.3 |
0.396 |
2024 |
281.7 |
0.399 |
2025 |
280.1 |
0.403 |
2026 |
278.5 |
0.406 |
2027 |
277.0 |
0.409 |
2028 |
275.5 |
0.412 |
2029 |
274.1 |
0.415 |
2030 |
272.6 |
0.419 |
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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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