01345+3440 A  1913AB

 
 
01H 34M 29.69S +34 39' 39.5" P.A. 271.1 SEP 0.26 MAG 10.46,10.68 SP G0 DIST. 211.42 PC (689.65 L.Y.)
 
 
Coord 2000
01345+3440
Discov num
A  1913
Comp
AB
Coord arcsec 2000
01 34 29.69 +34 39 39.5
Date first
1908
Date last
2009
Obs
26
Pa first
268
Pa last
314
P.A. Now (θ)
271.1°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.26"
Mag pri
10.46
Mag sec
10.68
delta mag (ΔM)
0.22
Spectral class
G0 (yellow)
Pri motion ra
-015
Sec motion ra
Pri motion dec
-040
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
01345+3440 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 54792 01345+3440 A 1913 AB 1908 2009 26 271 0.3 10.46 10.68 0.22 Y <===
Show 54792 01345+3440 A 1913 AB,C 1783 2013 17 337 69.5 9.75 9.57 0.18
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Triangulum
SAO
54792
HIP
7337
Tycho2
2301-00733-1
ADS
1227
BD
BD+33 257
Distance
211.42
Distance ly
689.65
last precise pa
313.8
last precise sep
0.397
 
 
ORBITAL ELEMENTS
 
 
Period (P)111.21y Periastron (T)1925.43y Semi-major axis (a)0.29a
Eccentricity (e)0.7 Inclination (i)113.9° Longitude of periastron (ω)278.3°
Node (Ω)69.3° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1981
label rho theta
2000 0.250 291.1
2001 0.252 289.8
2002 0.254 288.6
2003 0.255 287.4
2004 0.256 286.2
2005 0.258 285.0
2006 0.259 283.8
2007 0.260 282.7
2008 0.261 281.5
2009 0.261 280.3
2010 0.262 279.2
2011 0.262 278.0
2012 0.262 276.9
2013 0.261 275.7
2014 0.261 274.6
2015 0.260 273.4
2016 0.258 272.2
2017 0.257 271.1
2018 0.255 269.8
2019 0.252 268.6
2020 0.249 267.4
2021 0.245 266.1
2022 0.241 264.7
2023 0.236 263.4
2024 0.230 261.9
2025 0.223 260.4
2026 0.216 258.7
2027 0.207 257.0
2028 0.196 255.0
2029 0.184 252.8
2030 0.170 250.3

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