02291+6724 CHR 6 Aa,Ab
02h 29m 03.96s +67° 24' 08.7" P.A. 42.00 sep 0.6 mag 4.66,7.88 Sp A4V+F9V 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 |
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Date last |
2010 |
|
Obs |
21 |
|
Pa first |
354 |
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Pa last |
41.5 |
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P.A. Now (θ) |
12.1° |
|
Sep first |
0.5 |
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Sep last |
0.602 |
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Sep. Now (ρ) |
0.64" |
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Mag pri |
4.66 |
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Mag sec |
7.88 |
|
delta mag (ΔM) |
3.22 |
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Spectral class |
A4V+F9V (white/yellow-white) |
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Pri motion ra |
-018 |
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Sec motion ra |
|
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Pri motion dec |
+012 |
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Sec motion dec |
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Notes |
N
O
(See Notes, Orbital solution) |
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This double is physical.
02291+6724 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
12298 |
02 29 04 +67 24 09 |
CHR 6 Aa,Ab |
2010 |
21 |
42 |
0.6 |
4.66 |
7.88 |
3.22 |
Y |
<=== |
Show |
Iot Cas |
12298 |
02 29 04 +67 24 09 |
STF 262 AB |
2022 |
270 |
231 |
3.0 |
4.66 |
6.92 |
2.26 |
Y |
|
Show |
|
12298 |
02 29 04 +67 24 09 |
STF 262 AC |
2022 |
232 |
117 |
6.9 |
4.63 |
9.05 |
4.42 |
|
|
Show |
|
12298 |
02 29 04 +67 24 09 |
STF 262 AD |
2016 |
10 |
60 |
210.9 |
4.63 |
8.48 |
3.85 |
|
|
Show |
|
12298 |
02 29 04 +67 24 07 |
STF 262 BC |
2015 |
154 |
99 |
8.5 |
6.92 |
9.05 |
2.13 |
|
|
Show |
|
|
02 29 04 +67 24 09 |
CTU 2 Ca,Cb |
2018 |
5 |
101 |
0.2 |
4.50 |
6.10 |
1.60 |
|
|
Show |
|
|
02 29 04 +67 24 09 |
STF 262 CD |
2015 |
8 |
58 |
207.1 |
9.05 |
8.48 |
0.57 |
|
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Sextuple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cassiopeia |
|
SAO |
12298 |
|
HIP |
11569 |
|
Tycho2 |
4058-01504-1 |
|
Gaia DR2 |
517650349234855424 |
|
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 |
|
Bayer greek |
ι Cas |
|
ORBITAL ELEMENTS
Period (P) | 47.5238y | ± 0.7959 |
Periastron (T) | 1993.2364y | ± 0.06 |
Semi-major axis (a) | 0.41818a | ± 0.00479 |
Eccentricity (e) | 0.62703 | ± 0.00601 |
Inclination (i) | 148.267° | ± 1.296 |
Longitude of periastron (ω) | 327.465° | ± 2.021 |
Node (Ω) | 176.016° | ± 1.855 |
Notes | n | |
Reference | Izm2019 | |
Equinox | | |
Last observation | 2010 | |
Grade | 3 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
81.3 |
0.345 |
2001 |
74.5 |
0.376 |
2002 |
68.8 |
0.405 |
2003 |
63.8 |
0.434 |
2004 |
59.4 |
0.460 |
2005 |
55.5 |
0.485 |
2006 |
51.9 |
0.509 |
2007 |
48.7 |
0.530 |
2008 |
45.7 |
0.550 |
2009 |
42.9 |
0.569 |
2010 |
40.2 |
0.585 |
2011 |
37.7 |
0.600 |
2012 |
35.3 |
0.613 |
2013 |
33.0 |
0.625 |
2014 |
30.8 |
0.634 |
2015 |
28.7 |
0.642 |
2016 |
26.6 |
0.648 |
2017 |
24.5 |
0.653 |
2018 |
22.4 |
0.655 |
2019 |
20.4 |
0.656 |
2020 |
18.4 |
0.655 |
2021 |
16.3 |
0.652 |
2022 |
14.2 |
0.647 |
2023 |
12.1 |
0.640 |
2024 |
9.9 |
0.630 |
2025 |
7.7 |
0.619 |
2026 |
5.3 |
0.605 |
2027 |
2.9 |
0.589 |
2028 |
0.3 |
0.571 |
2029 |
357.5 |
0.550 |
2030 |
354.4 |
0.526 |
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Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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