16039-2032 KOH 70 AB
16h 03m 54.98s -20° 31' 38.2" P.A. 256.00 sep 0.1 mag 8.62,8.71 Sp M0
Coord 2000 |
16039-2032 |
|
Discov num |
KOH 70 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 03 54.98 -20 31 38.2 |
|
Date first |
1994 |
|
Date last |
2020 |
|
Obs |
7 |
|
Pa first |
141 |
|
Pa last |
256.2 |
|
P.A. Now (θ) |
256.2° |
|
Sep first |
0.1 |
|
Sep last |
0.098 |
|
Sep. Now (ρ) |
0.098" |
|
Mag pri |
8.62 |
|
Mag sec |
8.71 |
|
delta mag (ΔM) |
0.09 |
|
Spectral class |
M0 (red) |
|
Pri motion ra |
-006 |
|
Sec motion ra |
|
|
Pri motion dec |
-028 |
|
Sec motion dec |
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|
Notes |
O
K
(Orbital solution, K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
16039-2032 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
16 03 55 -20 31 38 |
KOH 70 AB |
2020 |
7 |
256 |
0.1 |
8.62 |
8.71 |
0.09 |
Y |
<=== |
Show |
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16 03 55 -20 31 38 |
KOH 70 AB,C |
1996 |
1 |
82 |
4.0 |
8.62 |
13.90 |
5.28 |
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Show |
|
|
16 03 55 -20 31 38 |
LAF 99 AD |
2010 |
2 |
203 |
2.8 |
8.62 |
19.35 |
10.73 |
|
|
Show |
|
|
16 03 55 -20 31 38 |
LAF 99 AE |
2008 |
1 |
217 |
3.3 |
8.62 |
18.77 |
10.15 |
|
|
Show |
|
|
16 03 55 -20 31 38 |
LAF 99 AF |
2015 |
3 |
354 |
4.3 |
8.62 |
13.37 |
4.75 |
|
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Sextuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Scorpius |
|
Gaia DR2 |
6244083039015457152 |
|
ORBITAL ELEMENTS
Period (P) | 52.6y | |
Periastron (T) | 2006.3y | |
Semi-major axis (a) | 0.116a | |
Eccentricity (e) | 0.3 | |
Inclination (i) | 136.4° | |
Longitude of periastron (ω) | 127.5° | |
Node (Ω) | 147.6° | |
Notes | | |
Reference | Tok2018g | |
Equinox | 2000 | |
Last observation | 2018 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
102.9 |
0.081 |
2001 |
92.2 |
0.073 |
2002 |
79.2 |
0.067 |
2003 |
64.0 |
0.063 |
2004 |
47.3 |
0.061 |
2005 |
30.5 |
0.063 |
2006 |
15.2 |
0.066 |
2007 |
1.8 |
0.072 |
2008 |
350.4 |
0.078 |
2009 |
340.5 |
0.083 |
2010 |
331.7 |
0.087 |
2011 |
323.7 |
0.091 |
2012 |
316.2 |
0.093 |
2013 |
309.0 |
0.095 |
2014 |
302.0 |
0.096 |
2015 |
295.1 |
0.096 |
2016 |
288.2 |
0.096 |
2017 |
281.3 |
0.096 |
2018 |
274.3 |
0.096 |
2019 |
267.4 |
0.096 |
2020 |
260.4 |
0.096 |
2021 |
253.6 |
0.097 |
2022 |
246.9 |
0.098 |
2023 |
240.3 |
0.100 |
2024 |
234.0 |
0.101 |
2025 |
228.0 |
0.104 |
2026 |
222.2 |
0.106 |
2027 |
216.8 |
0.109 |
2028 |
211.6 |
0.112 |
2029 |
206.6 |
0.115 |
2030 |
202.0 |
0.118 |
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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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