02433+0314 STF 299 AB (Kaffaljidhma)
02h 43m 18.04s +03° 14' 08.9" P.A. 299.00 sep 1.9 mag 3.54,6.18 Sp A2V+F4V dist. 24.41 pc (79.63 l.y.)
| Coord 2000 |
02433+0314 |
|
Discov num |
STF 299 |
|
Comp |
AB |
|
Coord arcsec 2000 |
02 43 18.04 +03 14 08.9 |
|
| Date first |
1825 |
|
Date last |
2024 |
|
Obs |
242 |
|
| Pa first |
283 |
|
Pa last |
299.2 |
|
P.A. Now (θ) |
299.2° |
|
| Sep first |
2.8 |
|
Sep last |
1.86 |
|
Sep. Now (ρ) |
1.86" |
|
| Mag pri |
3.54 |
|
Mag sec |
6.18 |
|
delta mag (ΔM) |
2.64 |
|
Spectral class |
A2V+F4V (white/yellow-white) |
|
| Pri motion ra |
-146 |
|
Sec motion ra |
-146 |
|
| Pri motion dec |
-146 |
|
Sec motion dec |
-145 |
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
rPM=0.005 (< 0.3, Physical double)
This double is physical.
02433+0314 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Kaffaljidhma |
110707 |
02 43 18 +03 14 09 |
STF 299 AB |
2024 |
242 |
299 |
1.9 |
3.54 |
6.18 |
2.64 |
Y |
<=== |
| Show |
|
110707 |
02 43 18 +03 14 09 |
ALD 124 AC |
2000 |
4 |
306 |
843.1 |
3.54 |
10.15 |
6.61 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Common name |
Kaffaljidhma |
|
Constellation |
Cetus |
|
SAO |
110707 |
|
HIP |
12706 |
|
| Tycho2 |
0050-01721-1 |
|
Gaia DR2 |
2502847975056346752 |
|
HD |
16970 |
|
HR |
804 |
|
| GC |
3276 |
|
ADS |
2080 |
|
BD |
BD+02 422 |
|
Bayer |
Gamma Ceti |
|
| Bayer name |
Gam Cet |
|
Flamsteed |
86 Ceti |
|
Flamsteed name |
86 Cet |
|
Distance |
24.41 |
|
| Distance ly |
79.63 |
|
Bayer greek |
γ Cet |
|
ORBITAL ELEMENTS
| Period (P) | 914y | ± 450 |
Periastron (T) | 2046.7y | ± 10 |
Semi-major axis (a) | 5.6a | ± 2 |
| Eccentricity (e) | 0.9 | ± 0.05 |
Inclination (i) | 85.2° | ± 2 |
Longitude of periastron (ω) | 274.7° | ± 15 |
| Node (Ω) | 122.7° | ± 5 |
Notes | n | |
Reference | Alz2023 | |
| Equinox | 2000 | |
Last observation | 2023 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
297.8 |
2.438 |
| 2001 |
297.9 |
2.422 |
| 2002 |
297.9 |
2.405 |
| 2003 |
298.0 |
2.387 |
| 2004 |
298.1 |
2.369 |
| 2005 |
298.2 |
2.351 |
| 2006 |
298.3 |
2.332 |
| 2007 |
298.3 |
2.312 |
| 2008 |
298.4 |
2.292 |
| 2009 |
298.5 |
2.271 |
| 2010 |
298.6 |
2.249 |
| 2011 |
298.7 |
2.227 |
| 2012 |
298.8 |
2.203 |
| 2013 |
298.9 |
2.180 |
| 2014 |
299.0 |
2.155 |
| 2015 |
299.1 |
2.129 |
| 2016 |
299.2 |
2.103 |
| 2017 |
299.3 |
2.075 |
| 2018 |
299.4 |
2.047 |
| 2019 |
299.5 |
2.017 |
| 2020 |
299.6 |
1.986 |
| 2021 |
299.7 |
1.954 |
| 2022 |
299.8 |
1.921 |
| 2023 |
300.0 |
1.886 |
| 2024 |
300.1 |
1.849 |
| 2025 |
300.2 |
1.811 |
| 2026 |
300.4 |
1.772 |
| 2027 |
300.5 |
1.730 |
| 2028 |
300.7 |
1.686 |
| 2029 |
300.8 |
1.640 |
| 2030 |
301.0 |
1.592 |
| 2031 |
301.2 |
1.541 |
| 2032 |
301.4 |
1.486 |
| 2033 |
301.6 |
1.429 |
| 2034 |
301.8 |
1.367 |
| 2035 |
302.1 |
1.302 |
| 2036 |
302.4 |
1.232 |
| 2037 |
302.7 |
1.156 |
| 2038 |
303.0 |
1.074 |
| 2039 |
303.5 |
0.985 |
| 2040 |
304.0 |
0.888 |
| 2041 |
304.6 |
0.781 |
| 2042 |
305.5 |
0.664 |
| 2043 |
306.8 |
0.534 |
| 2044 |
308.9 |
0.393 |
| 2045 |
313.7 |
0.240 |
| 2046 |
336.1 |
0.085 |
| 2047 |
97.0 |
0.106 |
| 2048 |
113.2 |
0.262 |
| 2049 |
117.3 |
0.413 |
| 2050 |
119.3 |
0.550 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
Measures: green=micrometric, blue=interferometric, purple=photographic
|
|
