08563-3707 RST2593

 
 
08h 56m 19.84s -37 07' 21.0" P.A. 323.60 sep 0.8 mag 6.94,10.79 Sp G1V dist. 40.8 pc (133.09 l.y.)
 
 
Coord 2000
08563-3707
Discov num
RST2593
Comp
Coord arcsec 2000
08 56 19.84 -37 07 21.0
Date first
1935
Date last
2019
Obs
23
Pa first
83
Pa last
318
P.A. Now (θ)
323.6°
Sep first
0.7
Sep last
0.8
Sep. Now (ρ)
0.85"
Mag pri
6.94
Mag sec
10.79
delta mag (ΔM)
3.85
Spectral class
G1V (yellow)
Pri motion ra
-169
Sec motion ra
-190
Pri motion dec
-009
Sec motion dec
+004
Notes
O (Orbital solution)
Visually invisible, K-band or other infrared star rPM=0.13 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
318.2
Precise sep
0.828
Constellation
Pyxis
SAO
199803
HIP
43880
Tycho2
7150-00791-1
Gaia DR2
69603637888
HD
76668
CD
CD-36 5192
CP
CP-36 3111
Distance
40.8
Distance ly
133.09
last precise pa
318.2
last precise sep
0.828
 
 
ORBITAL ELEMENTS
 
 
Period (P)234.5642y± 63.6586 Periastron (T)1965.7789y± 60.5579 Semi-major axis (a)1.15802a± 0.20728
Eccentricity (e)0.0755± 0.14539 Inclination (i)129.249°± 6.018 Longitude of periastron (ω)328.921°± 76.177
Node (Ω)12.174°± 11.591 Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation2015
label rho theta
2000 1.030 353.1
2001 1.023 351.8
2002 1.015 350.6
2003 1.007 349.3
2004 0.999 348.0
2005 0.991 346.7
2006 0.982 345.4
2007 0.974 344.0
2008 0.964 342.6
2009 0.955 341.2
2010 0.946 339.8
2011 0.936 338.3
2012 0.927 336.8
2013 0.917 335.3
2014 0.907 333.7
2015 0.898 332.1
2016 0.888 330.5
2017 0.879 328.9
2018 0.869 327.2
2019 0.860 325.4
2020 0.851 323.6
2021 0.842 321.8
2022 0.833 320.0
2023 0.825 318.1
2024 0.817 316.2
2025 0.809 314.2
2026 0.802 312.2
2027 0.795 310.2
2028 0.789 308.1
2029 0.783 306.0
2030 0.777 303.8

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






wds08563-3707b.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
08563-3707 RST2593 1991 7 7 1.1 6.94 10.79 G1V D 085619.84-370721.0
08563-3707 RST2593 2009 9 340 1.0 6.94 10.79 G1V D 085619.84-370721.0
08563-3707 RST2593 2011 10 338 1.0 6.94 10.79 G1V OD 085619.84-370721.0
08563-3707 RST2593 2012 12 334 0.9 6.94 10.79 G1V O 085619.84-370721.0
08563-3707 RST2593 2015 14 329 0.9 6.94 10.79 G1V O 085619.84-370721.0
08563-3707 RST2593 2017 19 325 0.9 6.94 10.79 G1V O 085619.84-370721.0
08563-3707 RST2593 2018 21 322 0.9 6.94 10.79 G1V O 085619.84-370721.0
08563-3707 RST2593 2019 23 318 0.8 6.94 10.79 G1V O 085619.84-370721.0

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