16057-0617 FIN 384Aa,Ab

 
 
16H 05M 44.53S -06 17' 28.1" P.A. 178.2 SEP 0.03 MAG 7.10,7.10 SP F3V DIST. 87.34 PC (284.9 L.Y.)
 
 
Coord 2000
16057-0617
Discov num
FIN 384
Comp
Aa,Ab
Coord arcsec 2000
16 05 44.53 -06 17 28.1
Date first
1964
Date last
2015
Obs
24
Pa first
143
Pa last
298
P.A. Now (θ)
178.2°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.03"
Mag pri
7.10
Mag sec
7.10
delta mag (ΔM)
0
Spectral class
F3V (yellow-white)
Pri motion ra
+050
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
16057-0617 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 140945 16057-0617 FIN 384 Aa,Ab 1964 2015 24 178 0.0 7.10 7.10 0.00 Y <===
Show 140945 16057-0617 BU 948 AB 1879 2015 62 78 0.7 6.46 9.01 2.55 Y
Show 140945 16057-0617 STF2005 AC 1835 2014 16 232 30.1 6.46 11.31 4.85
Show 140945 16057-0617 STF2005 AD 1835 2014 11 202 55.3 6.46 11.87 5.41
Show 140945 16057-0617 SHY 696 AE 1991 2014 5 271 260.0 6.46 7.90 1.44
Show 140945 16057-0617 STF2005 CD 1835 2014 13 176 34.1 11.31 11.87 0.56
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
SAO
140945
HIP
78849
Tycho2
5044-00998-1
HD
144362
HR
5989
ADS
9918
BD
BD-05 4234
Distance
87.34
Distance ly
284.9
last precise pa
298.2
last precise sep
0.071
 
 
ORBITAL ELEMENTS
 
 
Period (P)4.963y± 0.015 Periastron (T)2013.371y± 0.03 Semi-major axis (a)0.046a± 0.003
Eccentricity (e)0.559± 0.006 Inclination (i)154.7°± 2 Longitude of periastron (ω)8.4°± 15
Node (Ω)108.5°± 10 Note Grade2(1=Definitive, 9=Indet.)
Equinox2000 Last observation2009
label rho theta
2000 0.063 304.3
2001 0.072 280.1
2002 0.060 254.7
2003 0.030 194.4
2004 0.034 351.8
2005 0.064 303.3
2006 0.071 279.2
2007 0.060 253.5
2008 0.029 189.5
2009 0.036 348.4
2010 0.064 302.2
2011 0.071 278.4
2012 0.059 252.3
2013 0.028 184.1
2014 0.037 345.2
2015 0.065 301.2
2016 0.071 277.6
2017 0.058 251.0
2018 0.026 178.2
2019 0.039 342.3
2020 0.066 300.2
2021 0.071 276.7
2022 0.057 249.7
2023 0.025 171.8
2024 0.040 339.5
2025 0.066 299.2
2026 0.071 275.9
2027 0.056 248.4
2028 0.024 164.8
2029 0.042 337.0
2030 0.067 298.3

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic