14190-0636 HDS 2016 AB
14h 18m 58.28s -06° 36' 13.2" P.A. 279.00 sep 0.2 mag 9.56,10.60 Sp K7V dist. 21.75 pc (70.95 l.y.)
Coord 2000 |
14190-0636 |
|
Discov num |
HDS2016 |
|
Comp |
AB |
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Coord arcsec 2000 |
14 18 58.28 -06 36 13.2 |
|
Date first |
1991 |
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Date last |
2021 |
|
Obs |
38 |
|
Pa first |
94 |
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Pa last |
278.5 |
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P.A. Now (θ) |
187.9° |
|
Sep first |
0.3 |
|
Sep last |
0.249 |
|
Sep. Now (ρ) |
0.073" |
|
Mag pri |
9.56 |
|
Mag sec |
10.60 |
|
delta mag (ΔM) |
1.04 |
|
Spectral class |
K7V (yellow-orange) |
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Pri motion ra |
-005 |
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Sec motion ra |
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Pri motion dec |
-432 |
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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.
14190-0636 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
14 18 58 -06 36 13 |
HDS 2016 AB |
2021 |
38 |
279 |
0.2 |
9.56 |
10.60 |
1.04 |
Y |
<=== |
Show |
Iot Vir |
139824 |
14 18 58 -06 36 13 |
SHY 71 AC |
2016 |
4 |
309 |
999.9 |
9.26 |
4.13 |
5.13 |
|
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Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Virgo |
|
HIP |
69962 |
|
Tycho2 |
4982-01597-1 |
|
HD |
125354 |
|
GL |
Gl 542.2 |
|
BD |
BD-05 3853 |
|
Distance |
21.75 |
|
Distance ly |
70.95 |
|
ORBITAL ELEMENTS
Period (P) | 18.74y | ± 0.02 |
Periastron (T) | 2003.73y | ± 0.02 |
Semi-major axis (a) | 346m | ± 27 |
Eccentricity (e) | 0.31 | ± 0.004 |
Inclination (i) | 107.3° | ± 0.2 |
Longitude of periastron (ω) | 252.3° | ± 0.3 |
Node (Ω) | 106° | ± 5 |
Notes | n | |
Reference | Mit2021 | |
Equinox | | |
Last observation | 2020 | |
Grade | 2 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
297.8 |
0.288 |
2001 |
290.4 |
0.299 |
2002 |
282.5 |
0.266 |
2003 |
269.5 |
0.181 |
2004 |
219.5 |
0.077 |
2005 |
134.7 |
0.140 |
2006 |
116.5 |
0.250 |
2007 |
108.7 |
0.324 |
2008 |
103.2 |
0.360 |
2009 |
98.3 |
0.363 |
2010 |
93.1 |
0.341 |
2011 |
86.8 |
0.301 |
2012 |
78.3 |
0.250 |
2013 |
64.8 |
0.194 |
2014 |
41.5 |
0.147 |
2015 |
6.3 |
0.133 |
2016 |
334.8 |
0.162 |
2017 |
315.8 |
0.213 |
2018 |
304.2 |
0.262 |
2019 |
295.9 |
0.294 |
2020 |
288.5 |
0.295 |
2021 |
280.0 |
0.249 |
2022 |
263.4 |
0.152 |
2023 |
187.9 |
0.073 |
2024 |
127.6 |
0.171 |
2025 |
114.1 |
0.274 |
2026 |
107.2 |
0.337 |
2027 |
101.9 |
0.363 |
2028 |
97.0 |
0.359 |
2029 |
91.6 |
0.332 |
2030 |
84.9 |
0.289 |
|
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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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