01014+1155 BU  867

 
 
01H 01M 21.77S +11 54' 45.9" P.A. 352 SEP 0.61 MAG 8.23,9.34 SP F5 DIST. 70.47 PC (229.87 L.Y.)
 
 
Coord 2000
01014+1155
Discov num
BU  867
Comp
Coord arcsec 2000
01 01 21.77 +11 54 45.9
Date first
1880
Date last
2015
Obs
62
Pa first
175
Pa last
354
P.A. Now (θ)
352°
Sep first
1.0
Sep last
0.7
Sep. Now (ρ)
0.61"
Mag pri
8.23
Mag sec
9.34
delta mag (ΔM)
1.11
Spectral class
F5 (yellow-white)
Pri motion ra
+010
Sec motion ra
+010
Pri motion dec
+016
Sec motion dec
+016
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
92207
HIP
4775
Tycho2
0615-00473-1
HD
5988
ADS
828
BD
BD+11 135
Distance
70.47
Distance ly
229.87
last precise pa
354.1
last precise sep
0.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)232.04y± 18.15 Periastron (T)2012.72y± 9.12 Semi-major axis (a)0.813a± 0.009
Eccentricity (e)0.23± 0.01 Inclination (i)98.9°± 1 Longitude of periastron (ω)2.9°± 20.4
Node (Ω)354.2°± 0.4 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 0.566 359.1
2001 0.576 358.6
2002 0.585 358.1
2003 0.593 357.7
2004 0.601 357.3
2005 0.607 356.8
2006 0.613 356.4
2007 0.617 356.0
2008 0.621 355.6
2009 0.624 355.2
2010 0.625 354.8
2011 0.626 354.4
2012 0.626 354.0
2013 0.625 353.6
2014 0.623 353.2
2015 0.620 352.8
2016 0.616 352.4
2017 0.610 352.0
2018 0.605 351.6
2019 0.598 351.2
2020 0.590 350.7
2021 0.581 350.3
2022 0.572 349.8
2023 0.561 349.3
2024 0.550 348.8
2025 0.538 348.3
2026 0.525 347.8
2027 0.512 347.2
2028 0.498 346.6
2029 0.483 346.0
2030 0.468 345.3

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