16076+0002 HDS 2276

 
 
16h 07m 37.61s +00° 01' 57.7" P.A. 297.00 sep 0.1 mag 9.92,12.97 Sp K3V dist. 47.3 pc (154.29 l.y.)
 
 
Coord 2000 16076+0002 Discov num HDS2276 Comp Coord arcsec 2000 16 07 37.61 +00 01 57.7
Date first 1991 Date last 2021 Obs 13
Pa first 178 Pa last 296.8 P.A. Now (θ) 296.8°
Sep first 0.8 Sep last 0.065 Sep. Now (ρ) 0.065"
Mag pri 9.92 Mag sec 12.97 delta mag (ΔM) 3.05 Spectral class K3V (yellow-orange)
Pri motion ra +038 Sec motion ra
Pri motion dec -014 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens HIP 79008 Tycho2 0367-00744-1 Gaia DR2 4411276011106481920
BD BD+00 3459 Distance 47.3 Distance ly 154.29
 
 
ORBITAL ELEMENTS
 
 
Period (P)165y Periastron (T)2022.86y Semi-major axis (a)0.6a
Eccentricity (e)0.847 Inclination (i)69.2° Longitude of periastron (ω)180.1°
Node (Ω)172.1° Notes ReferenceTok2018i
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 182.9 0.601
2001 183.3 0.581
2002 183.8 0.560
2003 184.3 0.539
2004 184.8 0.517
2005 185.4 0.494
2006 186.0 0.471
2007 186.7 0.446
2008 187.5 0.421
2009 188.4 0.395
2010 189.4 0.368
2011 190.6 0.340
2012 192.0 0.311
2013 193.7 0.281
2014 195.8 0.250
2015 198.5 0.217
2016 202.2 0.184
2017 207.6 0.149
2018 216.3 0.114
2019 232.2 0.082
2020 263.8 0.060
2021 306.8 0.062
2022 335.8 0.083
2023 354.6 0.092
2024 15.1 0.077
2025 49.1 0.059
2026 91.8 0.064
2027 117.9 0.091
2028 131.1 0.125
2029 138.5 0.160
2030 143.3 0.194


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



 
 


wds16076%2B0002a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic