02291+6724 STF 262AB (Iot Cas)

 
 
02h 29m 03.96s +67 24' 08.7" P.A. 227.5 sep 2.63 mag 4.63,6.92 Sp A5pSr dist. 40.73 pc (132.86 l.y.)
 
 
Coord 2000
02291+6724
Discov num
STF 262
Comp
AB
Coord arcsec 2000
02 29 03.96 +67 24 08.7
Date first
1782
Date last
2016
Obs
265
Pa first
290
Pa last
227
P.A. Now (θ)
227.5°
Sep first
1.5
Sep last
2.7
Sep. Now (ρ)
2.63"
Mag pri
4.63
Mag sec
6.92
delta mag (ΔM)
2.29
Spectral class
A5pSr (white)
Pri motion ra
-018
Sec motion ra
-018
Pri motion dec
+012
Sec motion dec
+012
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 22 0.7 4.63 8.48 3.85 Y
Show Iot Cas 12298 02291+6724 STF 262 AB 1782 2016 265 228 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
 
 
Precise pa
227.1
Precise sep
2.677
Name
Iot Cas
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
227.1
last precise sep
2.677
 
 
ORBITAL ELEMENTS
 
 
Period (P)620y Periastron (T)1640y Semi-major axis (a)2.88a
Eccentricity (e)0.75 Inclination (i)115° Longitude of periastron (ω)283°
Node (Ω)0.8° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 2.566 231.1
2001 2.569 230.9
2002 2.573 230.7
2003 2.577 230.5
2004 2.580 230.3
2005 2.584 230.1
2006 2.587 229.9
2007 2.591 229.7
2008 2.594 229.5
2009 2.598 229.3
2010 2.601 229.1
2011 2.605 228.9
2012 2.608 228.7
2013 2.612 228.5
2014 2.615 228.3
2015 2.618 228.1
2016 2.622 227.9
2017 2.625 227.7
2018 2.628 227.5
2019 2.631 227.3
2020 2.635 227.1
2021 2.638 226.9
2022 2.641 226.7
2023 2.644 226.5
2024 2.647 226.3
2025 2.650 226.1
2026 2.653 225.9
2027 2.657 225.8
2028 2.660 225.6
2029 2.663 225.4
2030 2.665 225.2

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds02291%2B6724c.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
02291+6724 STF 262 AB 2006 235 231 2.7 4.63 6.92 A5pSr NOD 022903.99+672408.6
02291+6724 STF 262 AB 2007 236 232 2.7 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2008 237 231 2.9 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2009 240 230 2.8 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2010 243 231 2.8 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2011 247 230 2.5 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2013 256 230 2.9 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2014 260 229 2.7 4.63 6.92 A5pSr NOD 022903.96+672408.7
02291+6724 STF 262 AB 2015 262 232 2.9 4.63 6.92 A5pSr NO 022903.96+672408.7
02291+6724 STF 262 AB 2016 265 227 2.7 4.63 6.92 A5pSr NO 022903.96+672408.7

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