01040+3528 HO  213

 
 
01H 03M 58.75S +35 28' 10.1" P.A. 123.7 SEP 0.3 MAG 7.81,8.29 SP A3 DIST. 261.1 PC (851.71 L.Y.)
 
 
Coord 2000
01040+3528
Discov num
HO  213
Comp
Coord arcsec 2000
01 03 58.75 +35 28 10.1
Date first
1887
Date last
2008
Obs
112
Pa first
16
Pa last
116
P.A. Now (θ)
123.7°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
7.81
Mag sec
8.29
delta mag (ΔM)
0.48
Spectral class
A3 (white)
Pri motion ra
+009
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
54390
HIP
4990
Tycho2
2286-00947-1
HD
6264
ADS
873
BD
BD+34 171
Distance
261.1
Distance ly
851.71
last precise pa
116.2
last precise sep
0.306
 
 
ORBITAL ELEMENTS
 
 
Period (P)500y± 50 Periastron (T)1995.82y± 25 Semi-major axis (a)0.354a± 0.065
Eccentricity (e)0.156± 0.1 Inclination (i)33.2°± 5 Longitude of periastron (ω)353.2°± 15
Node (Ω)111.7°± 10 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.299 109.5
2001 0.299 110.3
2002 0.299 111.2
2003 0.299 112.0
2004 0.299 112.8
2005 0.299 113.7
2006 0.299 114.5
2007 0.299 115.3
2008 0.299 116.2
2009 0.299 117.0
2010 0.299 117.8
2011 0.299 118.7
2012 0.299 119.5
2013 0.299 120.3
2014 0.299 121.2
2015 0.299 122.0
2016 0.299 122.8
2017 0.299 123.7
2018 0.299 124.5
2019 0.298 125.3
2020 0.298 126.2
2021 0.298 127.0
2022 0.298 127.9
2023 0.298 128.7
2024 0.298 129.5
2025 0.297 130.4
2026 0.297 131.2
2027 0.297 132.1
2028 0.297 132.9
2029 0.296 133.8
2030 0.296 134.6

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