09527-7933 KOH  86

 
 
09h 53m 13.72s -79 33' 28.5" P.A. 278.1 sep 0.31 mag 9.80,11.70 Sp F6V
 
 
Coord 2000
09527-7933
Discov num
KOH  86
Comp
Coord arcsec 2000
09 53 13.72 -79 33 28.5
Date first
1996
Date last
2018
Obs
15
Pa first
315
Pa last
279
P.A. Now (θ)
278.1°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.31"
Mag pri
9.80
Mag sec
11.70
delta mag (ΔM)
1.9
Spectral class
F6V (yellow-white)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.7
Precise sep
0.302
Constellation
Chamaeleon
Tycho2
9404-01702-1
Gaia DR2
71375239680
HD
86588
last precise pa
278.7
last precise sep
0.302
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)300y Periastron (T)1865y Semi-major axis (a)0.43a
Eccentricity (e)0.07 Inclination (i)126.2° Longitude of periastron (ω)289°
Node (Ω)44° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.272 308.4
2001 0.273 306.7
2002 0.273 304.9
2003 0.274 303.2
2004 0.276 301.5
2005 0.277 299.7
2006 0.278 298.0
2007 0.280 296.4
2008 0.282 294.7
2009 0.284 293.1
2010 0.286 291.5
2011 0.288 289.9
2012 0.290 288.3
2013 0.292 286.8
2014 0.295 285.2
2015 0.297 283.8
2016 0.300 282.3
2017 0.303 280.9
2018 0.306 279.4
2019 0.308 278.1
2020 0.311 276.7
2021 0.314 275.4
2022 0.318 274.0
2023 0.321 272.8
2024 0.324 271.5
2025 0.327 270.3
2026 0.330 269.1
2027 0.333 267.9
2028 0.337 266.7
2029 0.340 265.6
2030 0.343 264.4

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds09527-7933a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)8y Periastron (T)2023.4y Semi-major axis (a)0.0066a
Eccentricity (e)0 Inclination (i)67° Longitude of periastron (ω)
Node (Ω)336.6° Note Grade9(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 0.006 347.9
2001 0.003 26.9
2002 0.004 119.1
2003 0.006 149.4
2004 0.006 167.9
2005 0.003 206.9
2006 0.004 299.1
2007 0.006 329.4
2008 0.006 347.9
2009 0.003 26.9
2010 0.004 119.1
2011 0.006 149.4
2012 0.006 167.9
2013 0.003 206.9
2014 0.004 299.1
2015 0.006 329.4
2016 0.006 347.9
2017 0.003 26.9
2018 0.004 119.1
2019 0.006 149.4
2020 0.006 167.9
2021 0.003 206.9
2022 0.004 299.1
2023 0.006 329.4
2024 0.006 347.9
2025 0.003 26.9
2026 0.004 119.1
2027 0.006 149.4
2028 0.006 167.9
2029 0.003 206.9
2030 0.004 299.1

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds09527-7933r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09527-7933 KOH 86 1996 1 315 0.3 9.55   D 095242.70-793309.0
09527-7933 KOH 86 2011 2 288 0.3 8.20 9.70 F6V DK 095242.70-793309.0
09527-7933 KOH 86 2012 3 288 0.3 8.20 9.70 F6V DK 095242.70-793309.0
09527-7933 KOH 86 2013 10 286 0.3 8.20 9.70 F6V DK 095242.70-793309.0
09527-7933 KOH 86 2014 11 286 0.3 8.20 9.70 F6V K 095242.70-793309.0
09527-7933 KOH 86 2015 12 284 0.3 8.20 9.70 F6V K 095242.70-793309.0
09527-7933 KOH 86 2016 13 282 0.3 8.20 9.70 F6V K 095313.72-793328.5
09527-7933 KOH 86 2018 15 279 0.3 9.80 11.70 F6V N 095313.72-793328.5

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