02037+2556 STF 208 AB (10 Ari)

 
 
02h 03m 39.26s +25° 56' 07.6" P.A. 349.00 sep 1.3 mag 5.82,7.87 Sp F8IV dist. 48.71 pc (158.89 l.y.)
 
 
Coord 2000 02037+2556 Discov num STF 208 Comp AB Coord arcsec 2000 02 03 39.26 +25 56 07.6
Date first 1821 Date last 2018 Obs 238
Pa first 23 Pa last 348.6 P.A. Now (θ) 350.2°
Sep first 2.0 Sep last 1.31 Sep. Now (ρ) 1.608"
Mag pri 5.82 Mag sec 7.87 delta mag (ΔM) 2.05 Spectral class F8IV (yellow-white)
Pri motion ra +134 Sec motion ra +134
Pri motion dec +010 Sec motion dec +010
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
02037+2556 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 10 Ari 75114 02 03 39 +25 56 08 STF 208 AB 2018 238 349 1.3 5.82 7.87 2.05 Y <===
Show 75114 02 03 39 +25 56 08 STF 208 AB,C 2001 3 150 95.3 5.67 13.50 7.83
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 10 Ari Constellation Aries SAO 75114 HIP 9621
Tycho2 1761-02538-1 Gaia DR2 105599987245304192 HD 12558 HR 605
GC 2476 ADS 1631 BD BD+25 341 Flamsteed 10 Arietis
Flamsteed name 10 Ari Distance 48.71 Distance ly 158.89
 
 
ORBITAL ELEMENTS
 
 
Period (P)325y Periastron (T)1931.6y Semi-major axis (a)1.39a
Eccentricity (e)0.59 Inclination (i)51° Longitude of periastron (ω)165°
Node (Ω)20.5° Notesn ReferenceHei1996a
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 338.0 1.261
2001 338.6 1.277
2002 339.3 1.294
2003 339.9 1.310
2004 340.6 1.326
2005 341.2 1.342
2006 341.8 1.358
2007 342.4 1.374
2008 342.9 1.389
2009 343.5 1.405
2010 344.0 1.420
2011 344.6 1.436
2012 345.1 1.451
2013 345.6 1.466
2014 346.1 1.481
2015 346.6 1.495
2016 347.1 1.510
2017 347.5 1.524
2018 348.0 1.538
2019 348.5 1.553
2020 348.9 1.567
2021 349.3 1.580
2022 349.8 1.594
2023 350.2 1.608
2024 350.6 1.621
2025 351.0 1.634
2026 351.4 1.647
2027 351.8 1.660
2028 352.2 1.673
2029 352.6 1.685
2030 353.0 1.698


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


 
  


wds02037%2B2556a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 02037+2556 STF 208 AB (10 Ari) : NOTES
 
 
discov_num notes refcode
STF 208 10 Ari. Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 2.94 +/- 0.84, 2.35, and 1.29 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hei1996a Ma j Heintz, W.D. 1996ApJS..105..475H
Hei1996a +orb ApJS 105, 475, 1996
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02037+2556 STF 208 AB 2008 215 341 1.2 5.82 7.87 F8IV NOD 020339.26+255607.6
02037+2556 STF 208 AB 2009 220 342 1.3 5.82 7.87 F8IV NOD 020339.26+255607.6
02037+2556 STF 208 AB 2012 222 344 1.4 5.82 7.87 F8IV NOD 020339.26+255607.6
02037+2556 STF 208 AB 2013 225 342 1.4 5.82 7.87 F8IV NOD 020339.26+255607.6
02037+2556 STF 208 AB 2014 226 345 1.2 5.82 7.87 F8IV NO 020339.26+255607.6
02037+2556 STF 208 AB 2015 229 344 1.3 5.82 7.87 F8IV NO 020339.26+255607.6
02037+2556 STF 208 AB 2017 235 344 1.4 5.82 7.87 F8IV NO 020339.26+255607.6
02037+2556 STF 208 AB 2018 237 349 1.3 5.82 7.87 F8IV NO 020339.26+255607.6

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WDS 02037+2556 STF 208 AB (10 Ari) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 15/11/21 rbotero mean difficulty separated 345 very interesting Beautiful contrast of colours

 
 
WDS 02037+2556 STF 208 AB (10 Ari) : MEASURES
 
 
No records found.

 
 
WDS 02037+2556 (10 Ari) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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Radius:
Components only
 
 
WDS 02037+2556 (10 Ari) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.