01014+1155 BU  867

 
 
01h 01m 21.77s +11 54' 45.9" P.A. 351.6 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
63
Pa first
175
Pa last
352
P.A. Now (θ)
351.6°
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
 
 
Precise pa
352.4
Precise sep
0.659
Cdsa2 id
BU 867
Constellation
Pisces
SAO
92207
HIP
4775
Tycho2
0615-00473-1
HD
5988
ADS
828
BD
BD+11 135
Ra deg
1.022713888888889
De deg
11.91275
Distance
70.47
Distance ly
229.87
last precise pa
352.4
last precise sep
0.659
 
 
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 Grade3(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





wds01014%2B1155a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01014+1155 BU 867 2006 55 356 0.6 8.23 9.34 F5 NOD 010121.77+115445.9
01014+1155 BU 867 2008 57 355 0.7 8.23 9.34 F5 NOD 010121.77+115445.9
01014+1155 BU 867 2009 59 355 0.6 8.23 9.34 F5 NOD 010121.77+115445.9
01014+1155 BU 867 2010 61 354 0.6 8.23 9.34 F5 NOD 010121.77+115445.9
01014+1155 BU 867 2015 62 354 0.7 8.23 9.34 F5 NO 010121.77+115445.9

If you need more information about this double, apply for a data request form to the WDS.