00279+2220 FRV   1

 
 
00H 27M 55.93S +22 19' 32.8" P.A. 149.8 SEP 0.07 MAG 10.15,10.46 SP M7.5+M8.0
 
 
Coord 2000
00279+2220
Discov num
FRV   1
Comp
Coord arcsec 2000
00 27 55.93 +22 19 32.8
Date first
2004
Date last
2010
Obs
24
Pa first
13
Pa last
60
P.A. Now (θ)
149.8°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.07"
Mag pri
10.15
Mag sec
10.46
delta mag (ΔM)
0.31
Spectral class
M7.5+M8.0 (red/red)
Pri motion ra
+400
Sec motion ra
Pri motion dec
-177
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
last precise pa
59.7
last precise sep
0.113
 
 
ORBITAL ELEMENTS
 
 
Period (P)7.76y± 0.04 Periastron (T)54858.5d (2009.073y)± 25 Semi-major axis (a)0.1467a± 0.0006
Eccentricity (e)0.051± 0.003 Inclination (i)117.23°± 0.13 Longitude of periastron (ω)250°± 3
Node (Ω)35.95°± 0.11 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.143 214.2
2001 0.097 183.8
2002 0.072 95.4
2003 0.134 48.5
2004 0.145 26.9
2005 0.096 355.4
2006 0.077 277.3
2007 0.131 231.9
2008 0.138 208.7
2009 0.081 169.8
2010 0.087 77.7
2011 0.143 42.8
2012 0.137 21.3
2013 0.082 341.4
2014 0.089 261.2
2015 0.139 225.9
2016 0.129 202.5
2017 0.068 149.8
2018 0.103 65.4
2019 0.148 37.7
2020 0.126 15.0
2021 0.073 322.9
2022 0.103 249.3
2023 0.143 220.4
2024 0.115 195.2
2025 0.064 124.0
2026 0.119 56.5
2027 0.149 32.8
2028 0.112 7.2
2029 0.070 301.2
2030 0.117 240.2

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