02291+6724 CHR   6Aa,Ab

 
 
02H 29M 03.96S +67 24' 08.7" P.A. 24.1 SEP 0.65 MAG 4.63,8.48 SP A5PSR DIST. 40.73 PC (132.86 L.Y.)
 
 
Coord 2000
02291+6724
Discov num
CHR   6
Comp
Aa,Ab
Coord arcsec 2000
02 29 03.96 +67 24 08.7
Date first
1982
Date last
2010
Obs
21
Pa first
354
Pa last
42
P.A. Now (θ)
24.1°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.65"
Mag pri
4.63
Mag sec
8.48
delta mag (ΔM)
3.85
Spectral class
A5pSr (white)
Pri motion ra
-018
Sec motion ra
Pri motion dec
+012
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
02291+6724 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 12298 02291+6724 CHR 6 Aa,Ab 1982 2010 21 24 0.6 4.63 8.48 3.85 Y <===
Show Iot Cas 12298 02291+6724 STF 262 AB 1782 2015 264 228 2.6 4.63 6.92 2.29 Y
Show 12298 02291+6724 STF 262 AC 1779 2015 231 117 6.7 4.63 9.05 4.42
Show 12298 02291+6724 STF 262 AD 1892 2016 10 60 210.9 4.63 8.48 3.85
Show 12298 02291+6724 STF 262 BC 1829 2015 154 99 8.5 6.92 9.05 2.13
Show 12298 02291+6724 CTU 2 Ca,Cb 2002 2005 3 273 0.4 4.50 6.10 1.60
Show 12298 02291+6724 STF 262 CD 1880 2015 8 58 207.1 9.05 8.48 0.57
Sextuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
12298
HIP
11569
Tycho2
4058-01504-1
HD
15089
HR
707
GC
2952
ADS
1860
BD
BD+66 213
Bayer
Iota Cassiopeiae
Bayer name
Iot Cas
Distance
40.73
Distance ly
132.86
last precise pa
41.5
last precise sep
0.602
 
 
ORBITAL ELEMENTS
 
 
Period (P)47.05y± 2.02 Periastron (T)1993.22y± 0.07 Semi-major axis (a)0.417a± 0.01
Eccentricity (e)0.626± 0.014 Inclination (i)149.2°± 1.8 Longitude of periastron (ω)328.3°± 4.3
Node (Ω)176.7°± 4.1 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2002
label rho theta
2000 0.350 80.6
2001 0.381 73.9
2002 0.411 68.2
2003 0.440 63.3
2004 0.466 59.0
2005 0.491 55.1
2006 0.515 51.5
2007 0.536 48.3
2008 0.556 45.3
2009 0.574 42.5
2010 0.590 39.9
2011 0.605 37.4
2012 0.617 35.0
2013 0.628 32.7
2014 0.637 30.5
2015 0.645 28.3
2016 0.650 26.2
2017 0.654 24.1
2018 0.656 22.0
2019 0.656 20.0
2020 0.654 17.9
2021 0.650 15.8
2022 0.644 13.7
2023 0.636 11.5
2024 0.626 9.2
2025 0.613 6.9
2026 0.599 4.5
2027 0.581 1.9
2028 0.562 359.2
2029 0.539 356.3
2030 0.514 353.1

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