16001+1112 SLW 1155 (Rho CrB)

 
 
16h 00m 06.15s +11° 11' 40.3" P.A. 267.00 sep 37.8 mag 14.96,18.37 Sp K7.7+M3.1 dist. 17.24 pc (56.24 l.y.)
 
 
Coord 2000 16001+1112 Discov num SLW1155 Comp Coord arcsec 2000 16 00 06.15 +11 11 40.3
Date first 2000 Date last 2016 Obs 9
Pa first 267 Pa last 266.6 P.A. Now (θ) 266.6°
Sep first 37.7 Sep last 37.752 Sep. Now (ρ) 37.752"
Mag pri 14.96 Mag sec 18.37 delta mag (ΔM) 3.41 Spectral class K7.7+M3.1 (yellow-orange/red)
Pri motion ra +013 Sec motion ra +014
Pri motion dec +039 Sec motion dec +036
Notes V R (Proper motion indicates physical, Red magnitudes)
rPM=0.077 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Rho CrB Constellation Serpens SAO 65024 HIP 78459
Tycho2 2576-02228-1 Gaia DR2 4457512497980700288 HD 143761 HR 5968
GC 21527 GL Gl 606.2 BD BD+33 2663 Bayer Rho Coronae Borealis
Bayer name Rho CrB Distance 17.24 Distance ly 56.24 Bayer greek ρ CrB
Bayer or Flamsteed indentifiers not always match the correct constellation because of procession and proper motion of the star. (CrB vs Ser)
 
 
ORBITAL ELEMENTS
 
 
Period (P)0.10924y Periastron (T)1997.5724y Semi-major axis (a)1.66m± 0.35
Eccentricity (e)0.13 Inclination (i)0.48° Longitude of periastron (ω)30°
Node (Ω)30.5°± 12.3 Notesn ReferenceGat2001a
Equinox2000 Last observation Grade9(1=Definitive, 9=Indet.)
label theta rho
2000 155.6 0.002
2001 205.4 0.002
2002 249.2 0.002
2003 294.4 0.002
2004 349.0 0.002
2005 57.4 0.001
2006 126.7 0.002
2007 182.4 0.002
2008 228.1 0.002
2009 271.7 0.002
2010 320.7 0.002
2011 22.6 0.001
2012 94.2 0.001
2013 157.0 0.002
2014 206.6 0.002
2015 250.3 0.002
2016 295.7 0.002
2017 350.6 0.002
2018 59.3 0.001
2019 128.3 0.002
2020 183.7 0.002
2021 229.3 0.002
2022 272.9 0.002
2023 322.2 0.002
2024 24.4 0.001
2025 96.1 0.001
2026 158.5 0.002
2027 207.8 0.002
2028 251.4 0.002
2029 296.9 0.002
2030 352.2 0.002


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



 
 


wds16010%2B3318r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic