01089-2937 I   262

 
 
01H 08M 51.80S -29 37' 21.0" P.A. 75 SEP 0.53 MAG 8.66,9.41 SP F5V DIST. 100.5 PC (327.83 L.Y.)
 
 
Coord 2000
01089-2937
Discov num
I   262
Comp
Coord arcsec 2000
01 08 51.80 -29 37 21.0
Date first
1898
Date last
2008
Obs
23
Pa first
170
Pa last
84
P.A. Now (θ)
75°
Sep first
0.8
Sep last
0.5
Sep. Now (ρ)
0.53"
Mag pri
8.66
Mag sec
9.41
delta mag (ΔM)
0.75
Spectral class
F5V (yellow-white)
Pri motion ra
+027
Sec motion ra
+027
Pri motion dec
-037
Sec motion dec
-037
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sculptor
SAO
166834
HIP
5383
Tycho2
6427-00533-1
HD
6868
CD
CD-30 360
CP
CP-30 118
Distance
100.5
Distance ly
327.83
last precise pa
83.8
last precise sep
0.519
 
 
ORBITAL ELEMENTS
 
 
Period (P)663.9y Periastron (T)1398.89y Semi-major axis (a)0.939a
Eccentricity (e)0.369 Inclination (i)130.9° Longitude of periastron (ω)1.2°
Node (Ω)34.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2008
label rho theta
2000 0.511 93.2
2001 0.512 92.1
2002 0.513 91.0
2003 0.514 89.9
2004 0.515 88.8
2005 0.516 87.7
2006 0.517 86.6
2007 0.518 85.5
2008 0.519 84.4
2009 0.521 83.4
2010 0.522 82.3
2011 0.523 81.2
2012 0.525 80.2
2013 0.526 79.1
2014 0.528 78.1
2015 0.530 77.0
2016 0.531 76.0
2017 0.533 75.0
2018 0.535 73.9
2019 0.537 72.9
2020 0.538 71.9
2021 0.540 70.9
2022 0.542 69.9
2023 0.544 69.0
2024 0.546 68.0
2025 0.548 67.0
2026 0.550 66.0
2027 0.552 65.1
2028 0.554 64.1
2029 0.556 63.2
2030 0.557 62.2

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