08398-6604 HDS 1245 (HD 74376)

 
 
08h 39m 50.85s -66° 04' 16.7" P.A. 51.00 sep 0.2 mag 10.07,11.83 Sp K1V: dist. 60.17 pc (196.27 l.y.)
 
 
Coord 2000 08398-6604 Discov num HDS1245 Comp Coord arcsec 2000 08 39 50.85 -66 04 16.7
Date first 1991 Date last 2020 Obs 16
Pa first 36 Pa last 51.2 P.A. Now (θ) 51.2°
Sep first 0.2 Sep last 0.213 Sep. Now (ρ) 0.213"
Mag pri 10.07 Mag sec 11.83 delta mag (ΔM) 1.76 Spectral class K1V: (yellow-orange)
Pri motion ra +092 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 74376 Constellation Volans HIP 42496 Tycho2 8938-01713-1
Gaia DR2 5273164484424164224 HD 74376 CP CP-65 989 Distance 60.17
Distance ly 196.27
 
 
ORBITAL ELEMENTS
 
 
Period (P)33.84y± 0.9 Periastron (T)2013.175y± 0.055 Semi-major axis (a)0.2118a± 0.0059
Eccentricity (e)0.781± 0.013 Inclination (i)129.5°± 2.6 Longitude of periastron (ω)97.3°± 1.7
Node (Ω)299.6°± 1.8 Notes ReferenceTok2016e
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 6.3 0.243
2001 3.1 0.242
2002 359.8 0.239
2003 356.4 0.235
2004 352.9 0.230
2005 349.2 0.224
2006 345.3 0.215
2007 341.0 0.205
2008 336.3 0.193
2009 330.7 0.177
2010 324.0 0.157
2011 314.8 0.130
2012 299.2 0.091
2013 234.3 0.032
2014 120.6 0.074
2015 98.3 0.111
2016 85.8 0.135
2017 76.7 0.153
2018 69.3 0.167
2019 63.0 0.179
2020 57.4 0.190
2021 52.4 0.199
2022 47.8 0.207
2023 43.5 0.214
2024 39.4 0.220
2025 35.6 0.226
2026 32.0 0.230
2027 28.5 0.234
2028 25.1 0.238
2029 21.8 0.241
2030 18.5 0.243


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


 
  


wds08398-6604a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08398-6604 HDS 1245 (HD 74376) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2016e orb - Tokovinin, A. 2016AJ....152..138T
Tok2016e AJ 152, 138, 2016
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08398-6604 HDS1245 1991 1 36 0.2 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2009 2 329 0.2 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2010 4 305 0.1 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2015 9 98 0.1 10.07 11.83 K1V: 083950.85-660416.7
08398-6604 HDS1245 2016 13 78 0.2 10.07 11.83 K1V: O 083950.85-660416.7
08398-6604 HDS1245 2018 14 68 0.2 10.07 11.83 K1V: O 083950.85-660416.7
08398-6604 HDS1245 2019 15 61 0.2 10.07 11.83 K1V: O 083950.85-660416.7
08398-6604 HDS1245 2020 16 51 0.2 10.07 11.83 K1V: O 083950.85-660416.7

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WDS 08398-6604 HDS 1245 (HD 74376) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08398-6604 HDS 1245 (HD 74376) : MEASURES
 
 
No records found.

 
 
WDS 08398-6604 (HD 74376) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 08398-6604 (HD 74376) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.