08090+3249 BDT   2Aa,Ab

 
 
08h 08m 56.39s +32 49' 11.4" P.A. 64.8 sep 0.2 mag 6.70,8.70 Sp M0.5 dist. 21.27 pc (69.38 l.y.)
 
 
Coord 2000
08090+3249
Discov num
BDT   2
Comp
Aa,Ab
Coord arcsec 2000
08 08 56.39 +32 49 11.4
Date first
2001
Date last
2015
Obs
7
Pa first
51
Pa last
142
P.A. Now (θ)
64.8°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.2"
Mag pri
6.70
Mag sec
8.70
delta mag (ΔM)
2
Spectral class
M0.5 (red)
Pri motion ra
-044
Sec motion ra
Pri motion dec
-191
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
This double is physical.
 
 
08090+3249 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 08090+3249 BDT 2 Aa,Ab 2001 2015 7 65 0.2 6.70 8.70 2.00 Y <===
Show FP Cnc 08090+3249 DYR 1 AB 1950 2016 19 240 14.0 10.13 12.31 2.18
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
142.2
Precise sep
0.114
Var name
FP Cnc
Constellation
Cancer
HIP
39896
Tycho2
2473-01174-1
Gaia DR2
2130167936
GL
GJ 1108A
BD
BD+33 1646
Distance
21.27
Distance ly
69.38
last precise pa
142.2
last precise sep
0.114
 
 
ORBITAL ELEMENTS
 
 
Period (P)8.24y± 0.03 Periastron (T)54703.85d (2008.65y)± 10.04 Semi-major axis (a)166m± 1
Eccentricity (e)0.63± 0.01 Inclination (i)42.47°± 1.32 Longitude of periastron (ω)347.45°± 2.6
Node (Ω)278.22°± 1.77 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2015
label rho theta
2000 0.065 187.6
2001 0.079 359.0
2002 0.162 53.7
2003 0.226 72.2
2004 0.261 83.7
2005 0.267 93.4
2006 0.244 103.8
2007 0.187 118.4
2008 0.088 158.4
2009 0.068 327.6
2010 0.142 46.5
2011 0.213 68.7
2012 0.255 81.2
2013 0.268 91.1
2014 0.253 101.1
2015 0.204 114.1
2016 0.115 142.1
2017 0.063 288.6
2018 0.122 37.0
2019 0.199 64.8
2020 0.247 78.6
2021 0.268 88.8
2022 0.259 98.6
2023 0.219 110.4
2024 0.140 131.9
2025 0.058 243.2
2026 0.101 23.4
2027 0.182 60.3
2028 0.238 75.8
2029 0.265 86.5
2030 0.264 96.1

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

grafico orbita





wds08090%2B3249a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08090+3249 BDT 2 Aa,Ab 2011 1 81 0.3 6.70 8.70 M0.5 N K 080856.39+324911.4
08090+3249 BDT 2 Aa,Ab 2015 7 142 0.1 6.70 8.70 M0.5 NO K 080856.39+324911.4

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