00596-0111 A 1903 AB (HD 5805)
00h 59m 35.07s -01° 11' 30.5" P.A. 35.00 sep 0.4 mag 9.28,9.94 Sp G5 dist. 84.6 pc (275.97 l.y.)
Coord 2000 |
00596-0111 |
|
Discov num |
A 1903 |
|
Comp |
AB |
|
Coord arcsec 2000 |
00 59 35.07 -01 11 30.5 |
|
Date first |
1908 |
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Date last |
2019 |
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Obs |
79 |
|
Pa first |
87 |
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Pa last |
34.6 |
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P.A. Now (θ) |
38.7° |
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Sep first |
0.4 |
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Sep last |
0.403 |
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Sep. Now (ρ) |
0.407" |
|
Mag pri |
9.28 |
|
Mag sec |
9.94 |
|
delta mag (ΔM) |
0.66 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
+095 |
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Sec motion ra |
|
|
Pri motion dec |
+084 |
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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.
00596-0111 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 5805 |
129065 |
00 59 35 -01 11 30 |
A 1903 AB |
2019 |
79 |
35 |
0.4 |
9.28 |
9.94 |
0.66 |
Y |
<=== |
Show |
|
129065 |
00 59 35 -01 11 30 |
A 1903 AB,C |
2014 |
12 |
32 |
6.3 |
8.78 |
13.70 |
4.92 |
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Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 5805 |
|
Constellation |
Cetus |
|
SAO |
129065 |
|
HIP |
4641 |
|
Tycho2 |
4674-01022-1 |
|
Gaia DR2 |
2535725468670382720 |
|
HD |
5805 |
|
ADS |
822 |
|
BD |
BD-01 125 |
|
Distance |
84.6 |
|
Distance ly |
275.97 |
|
ORBITAL ELEMENTS
Period (P) | 143.4y | |
Periastron (T) | 1957y | |
Semi-major axis (a) | 0.354a | |
Eccentricity (e) | 0.225 | |
Inclination (i) | 20.4° | |
Longitude of periastron (ω) | 84° | |
Node (Ω) | 145° | |
Notes | n | |
Reference | Hrt2010a | |
Equinox | 2000 | |
Last observation | 2008 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
357.3 |
0.385 |
2001 |
359.2 |
0.387 |
2002 |
1.1 |
0.389 |
2003 |
3.0 |
0.391 |
2004 |
4.9 |
0.392 |
2005 |
6.7 |
0.394 |
2006 |
8.6 |
0.395 |
2007 |
10.4 |
0.396 |
2008 |
12.2 |
0.398 |
2009 |
14.1 |
0.399 |
2010 |
15.9 |
0.400 |
2011 |
17.6 |
0.401 |
2012 |
19.4 |
0.402 |
2013 |
21.2 |
0.402 |
2014 |
23.0 |
0.403 |
2015 |
24.7 |
0.404 |
2016 |
26.5 |
0.404 |
2017 |
28.3 |
0.405 |
2018 |
30.0 |
0.405 |
2019 |
31.8 |
0.406 |
2020 |
33.5 |
0.406 |
2021 |
35.2 |
0.406 |
2022 |
37.0 |
0.407 |
2023 |
38.7 |
0.407 |
2024 |
40.4 |
0.407 |
2025 |
42.2 |
0.407 |
2026 |
43.9 |
0.407 |
2027 |
45.7 |
0.407 |
2028 |
47.4 |
0.407 |
2029 |
49.1 |
0.407 |
2030 |
50.9 |
0.407 |
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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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