02022-2402 HDS 272AB

 
 
02H 02M 11.25S -24 02' 23.8" P.A. 321.8 SEP 0.63 MAG 8.01,11.70 SP F6V DIST. 62.15 PC (202.73 L.Y.)
 
 
Coord 2000
02022-2402
Discov num
HDS 272
Comp
AB
Coord arcsec 2000
02 02 11.25 -24 02 23.8
Date first
1991
Date last
2015
Obs
23
Pa first
28
Pa last
319
P.A. Now (θ)
321.8°
Sep first
0.6
Sep last
0.5
Sep. Now (ρ)
0.63"
Mag pri
8.01
Mag sec
11.70
delta mag (ΔM)
3.69
Spectral class
F6V (yellow-white)
Pri motion ra
+100
Sec motion ra
Pri motion dec
+033
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
02022-2402 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 167506 02022-2402 HDS 272 AB 1991 2015 23 322 0.6 8.01 11.70 3.69 Y <===
Show 167506 02022-2402 TOK 41 Ba,Bb 2008 2015 20 352 0.1 8.50 8.80 0.30 Y
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Fornax
SAO
167506
HIP
9497
Tycho2
6430-00111-1
HD
12515
CD
CD-24 867
CP
CP-24 230
Distance
62.15
Distance ly
202.73
last precise pa
319.4
last precise sep
0.481
 
 
ORBITAL ELEMENTS
 
 
Period (P)138.54y Periastron (T)2074.75y Semi-major axis (a)0.97a
Eccentricity (e)0.513 Inclination (i)111.1° Longitude of periastron (ω)274.2°
Node (Ω)89.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.527 2.8
2001 0.527 0.1
2002 0.528 357.4
2003 0.530 354.7
2004 0.532 352.0
2005 0.536 349.3
2006 0.540 346.7
2007 0.545 344.2
2008 0.551 341.6
2009 0.558 339.2
2010 0.565 336.8
2011 0.573 334.4
2012 0.581 332.2
2013 0.590 330.0
2014 0.600 327.8
2015 0.610 325.8
2016 0.620 323.8
2017 0.631 321.8
2018 0.642 320.0
2019 0.653 318.2
2020 0.664 316.4
2021 0.676 314.7
2022 0.687 313.1
2023 0.699 311.5
2024 0.711 310.0
2025 0.723 308.6
2026 0.734 307.1
2027 0.746 305.8
2028 0.757 304.4
2029 0.769 303.1
2030 0.780 301.9

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