04359+2254 KSA 109Ba,Bb

 
 
04h 35m 53.50s +22 54' 09.0" P.A. 301.70 sep 0.1 mag 9.10,10.50 Sp K7
 
 
Coord 2000
04359+2254
Discov num
KSA 109
Comp
Ba,Bb
Coord arcsec 2000
04 35 53.50 +22 54 09.0
Date first
2007
Date last
2018
Obs
12
Pa first
92
Pa last
294
P.A. Now (θ)
301.7°
Sep first
0.0
Sep last
0.1
Sep. Now (ρ)
0.08"
Mag pri
9.10
Mag sec
10.50
delta mag (ΔM)
1.4
Spectral class
K7 (yellow-orange)
Pri motion ra
-011
Sec motion ra
Pri motion dec
-025
Sec motion dec
Notes
N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)
Visually invisible, K-band or other infrared star
This double is physical.
 
 
04359+2254 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 04 35 54 +22 54 14 LEI 21 AB 2015 9 243 10.1 14.80 14.20 0.60
Show 04 35 54 +22 54 14 HAT 12 AC 2015 7 297 21.4 14.80 13.80 1.00
Show 04 35 54 +22 54 14 ITO 33 AD 2003 1 174 8.3 7.49 17.12 9.63
Show 04 35 54 +22 54 09 KSA 109 Ba,Bb 2018 12 302 0.1 9.10 10.50 1.40 Y <===
Show 04 35 54 +22 54 09 HAT 12 BC 2015 7 325 17.4 14.20 13.80 0.40
Show 04 35 53 +22 54 23 OCC 9096 Ca,Cb 1993 0 0.0 7.80 10.00 2.20
Sextuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
293.9
Precise sep
0.081
Constellation
Hydra
Tycho2
1829-00886-1
Gaia DR2
145213192171160064
last precise pa
293.9
last precise sep
0.081
 
 
ORBITAL ELEMENTS
 
 
Period (P)9984d (27.33y)± 494 Periastron (T)54804d (2008.924y)± 28 Semi-major axis (a)56.35m± 0.94
Eccentricity (e)0.521± 0.009 Inclination (i)45.7°± 1.3 Longitude of periastron (ω)200.8°± 5
Node (Ω)292.5°± 1.7 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2018
label rho theta
2000 0.067 327.7
2001 0.062 333.8
2002 0.055 341.0
2003 0.049 350.2
2004 0.042 2.3
2005 0.036 18.6
2006 0.032 40.5
2007 0.029 67.5
2008 0.029 97.0
2009 0.026 130.2
2010 0.023 174.0
2011 0.027 217.6
2012 0.036 243.8
2013 0.046 258.8
2014 0.055 268.6
2015 0.063 275.8
2016 0.069 281.4
2017 0.075 286.3
2018 0.078 290.5
2019 0.081 294.4
2020 0.083 298.1
2021 0.084 301.7
2022 0.083 305.2
2023 0.082 308.9
2024 0.080 312.6
2025 0.077 316.6
2026 0.073 321.0
2027 0.069 325.9
2028 0.064 331.6
2029 0.058 338.4
2030 0.051 346.9


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



 
 


wds04359%2B2254a.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
04359+2254 KSA 109 Ba,Bb 2007 1 94 0.0 9.10 10.50 K7 N K 043553.50+225409.0
04359+2254 KSA 109 Ba,Bb 2018 12 294 0.1 9.10 10.50 K7 NO K 043553.50+225409.0

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