16115+1507 A 1799 (HD 145648)

 
 
16h 11m 28.81s +15° 07' 25.3" P.A. 116.00 sep 0.8 mag 9.53,9.75 Sp G5 dist. 185.53 pc (605.2 l.y.)
 
 
Coord 2000 16115+1507 Discov num A  1799 Comp Coord arcsec 2000 16 11 28.81 +15 07 25.3
Date first 1908 Date last 2016 Obs 75
Pa first 171 Pa last 116.3 P.A. Now (θ) 116.3°
Sep first 0.3 Sep last 0.803 Sep. Now (ρ) 0.803"
Mag pri 9.53 Mag sec 9.75 delta mag (ΔM) 0.22 Spectral class G5 (yellow)
Pri motion ra +002 Sec motion ra +002
Pri motion dec +000 Sec motion dec +000
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 145648 Constellation Hercules SAO 101993 HIP 79333
Tycho2 1504-00937-1 Gaia DR2 4464707294053625600 HD 145648 ADS 9952
BD BD+15 2964 Distance 185.53 Distance ly 605.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)540y Periastron (T)1833y Semi-major axis (a)0.693a
Eccentricity (e)0.48 Inclination (i)123.1° Longitude of periastron (ω)163.6°
Node (Ω)90.1° Notes ReferenceZir2014a
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 119.7 0.729
2001 119.4 0.734
2002 119.1 0.738
2003 118.8 0.742
2004 118.5 0.746
2005 118.3 0.750
2006 118.0 0.754
2007 117.7 0.758
2008 117.5 0.761
2009 117.2 0.765
2010 116.9 0.769
2011 116.7 0.773
2012 116.4 0.777
2013 116.2 0.781
2014 115.9 0.784
2015 115.7 0.788
2016 115.4 0.792
2017 115.2 0.795
2018 114.9 0.799
2019 114.7 0.803
2020 114.5 0.806
2021 114.2 0.810
2022 114.0 0.813
2023 113.8 0.817
2024 113.5 0.820
2025 113.3 0.824
2026 113.1 0.827
2027 112.9 0.831
2028 112.6 0.834
2029 112.4 0.837
2030 112.2 0.841


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


 
  


wds16115%2B1507a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 16115+1507 A 1799 (HD 145648) : NOTES
 
 
discov_num notes refcode
A 1799 Rectilinear solution by Scardia et al. (2017). Sca2017c
 
 
REFERENCES
 
 
refcode metd author reference
Sca2017c lin - Scardia, M., Prieur, J.-L., Pansecchi, L., Argyle, R.W., Ling, J.F., Aristidi, E., 2017IAUDS.192....3S
Sca2017c Zanutta, A., Abe, Bendoya, Combier-Dimur, Rivet, Suarez, & Vernet
Sca2017c Inf. Circ. 191, 3, 2017
Zir2014a orb - Zirm, H. 2014IAUDS.182....1Z
Zir2014a Inf. Circ. 182, 1, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16115+1507 A 1799 2000 64 120 0.7 9.53 9.75 G5 D 161128.81+150725.3
16115+1507 A 1799 2008 66 118 0.7 9.53 9.75 G5 D 161128.81+150725.3
16115+1507 A 1799 2009 67 118 0.8 9.53 9.75 G5 D 161128.81+150725.3
16115+1507 A 1799 2010 70 116 0.8 9.53 9.75 G5 D 161128.81+150725.3
16115+1507 A 1799 2014 69 114 0.8 9.53 9.75 G5 O 161128.81+150725.3
16115+1507 A 1799 2015 71 116 0.8 9.53 9.75 G5 O 161128.81+150725.3
16115+1507 A 1799 2016 72 116 0.8 9.53 9.75 G5 O 161128.81+150725.3

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WDS 16115+1507 A 1799 (HD 145648) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16115+1507 A 1799 (HD 145648) : MEASURES
 
 
No records found.

 
 
WDS 16115+1507 (HD 145648) : VIRTUAL EYEPIECE
 
 

virtual eyepiece
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WDS 16115+1507 (HD 145648) : ALADIN DSS IMAGE @
 
 
Error -22130
Not valid ID.
Error -22130
Not valid ID.
Error -27220
Not valid ID.