09013+1516 STF 1300 AB (HD 77175)

 
 
09h 01m 17.48s +15° 15' 56.8" P.A. 178.00 sep 5.0 mag 9.47,9.73 Sp M0V:p dist. 15.97 pc (52.09 l.y.)
 
 
Coord 2000 09013+1516 Discov num STF1300 Comp AB Coord arcsec 2000 09 01 17.48 +15 15 56.8
Date first 1830 Date last 2022 Obs 188
Pa first 210 Pa last 177.5 P.A. Now (θ) 177.5°
Sep first 4.1 Sep last 4.989 Sep. Now (ρ) 4.989"
Mag pri 9.47 Mag sec 9.73 delta mag (ΔM) 0.26 Spectral class M0V:p (red)
Pri motion ra -126 Sec motion ra -108
Pri motion dec -318 Sec motion dec -318
Notes N O W (See Notes, Orbital solution, )
rPM=0.053 (< 0.3, Physical double)
This double is physical.
 
 
09013+1516 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 77175 98295 09 01 17 +15 15 57 STF 1300 AB 2022 188 178 5.0 9.47 9.73 0.26 Y <===
Show 98295 09 01 17 +15 15 57 ENG 9001 AC 2015 8 13 202.5 9.47 9.93 0.46
Show 98295 09 01 17 +15 15 57 ENG 9001 AD 2015 8 61 198.4 9.47 10.21 0.74
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 77175 Constellation Cancer SAO 98295 HIP 44295
Tycho2 1394-01884-1 HD 77175 GC 12463 ADS 7139
GL GJ 1120A BD BD+15 1957 Distance 15.97 Distance ly 52.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)878.8788y± 403.0795 Periastron (T)1734.0729y± 60.7265 Semi-major axis (a)5.03669a± 1.51389
Eccentricity (e)0.41763± 0.28989 Inclination (i)117.434°± 8.351 Longitude of periastron (ω)76.263°± 48.002
Node (Ω)23.968°± 15.634 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 181.8 5.121
2001 181.7 5.116
2002 181.5 5.111
2003 181.3 5.106
2004 181.2 5.101
2005 181.0 5.096
2006 180.8 5.090
2007 180.7 5.085
2008 180.5 5.079
2009 180.3 5.073
2010 180.2 5.068
2011 180.0 5.062
2012 179.8 5.056
2013 179.7 5.050
2014 179.5 5.044
2015 179.3 5.038
2016 179.1 5.032
2017 179.0 5.025
2018 178.8 5.019
2019 178.6 5.013
2020 178.5 5.006
2021 178.3 5.000
2022 178.1 4.993
2023 177.9 4.986
2024 177.8 4.979
2025 177.6 4.973
2026 177.4 4.966
2027 177.2 4.959
2028 177.1 4.952
2029 176.9 4.944
2030 176.7 4.937


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



 
 


wds09013%2B1516b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic