00429+2047 A  2205

 
 
00H 42M 53.20S +20 46' 35.6" P.A. 0.1 SEP 0.33 MAG 10.26,10.09 SP F8 DIST. 158.98 PC (518.59 L.Y.)
 
 
Coord 2000
00429+2047
Discov num
A  2205
Comp
Coord arcsec 2000
00 42 53.20 +20 46 35.6
Date first
1910
Date last
2010
Obs
24
Pa first
334
Pa last
187
P.A. Now (θ)
0.1°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.33"
Mag pri
10.26
Mag sec
10.09
delta mag (ΔM)
0.17
Spectral class
F8 (yellow-white)
Pri motion ra
+019
Sec motion ra
Pri motion dec
+011
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
74218
HIP
3373
Tycho2
1194-00690-1
ADS
597
BD
BD+19 111
Distance
158.98
Distance ly
518.59
last precise pa
186.9
last precise sep
0.34
 
 
ORBITAL ELEMENTS
 
 
Period (P)165.05y Periastron (T)1961.42y Semi-major axis (a)0.281a
Eccentricity (e)0.776 Inclination (i)138.9° Longitude of periastron (ω)309.2°
Node (Ω)126.8° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.308 14.9
2001 0.313 14.0
2002 0.317 13.2
2003 0.321 12.4
2004 0.326 11.6
2005 0.330 10.8
2006 0.334 10.1
2007 0.338 9.4
2008 0.342 8.7
2009 0.346 8.0
2010 0.350 7.3
2011 0.354 6.6
2012 0.357 6.0
2013 0.361 5.4
2014 0.364 4.7
2015 0.368 4.1
2016 0.371 3.5
2017 0.374 2.9
2018 0.377 2.4
2019 0.380 1.8
2020 0.383 1.2
2021 0.386 0.7
2022 0.389 0.1
2023 0.392 359.6
2024 0.394 359.1
2025 0.397 358.5
2026 0.399 358.0
2027 0.402 357.5
2028 0.404 357.0
2029 0.406 356.5
2030 0.408 356.0

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