02424+3837 EVT   1Aa,Ab

 
 
02h 42m 21.31s +38 37' 07.2" P.A. 290.00 mag 7.11,10.00 Sp G5 dist. 45.45 pc (148.26 l.y.)
 
 
Coord 2000
02424+3837
Discov num
EVT   1
Comp
Aa,Ab
Coord arcsec 2000
02 42 21.31 +38 37 07.2
Date first
2008
Date last
2009
Obs
6
Pa first
46
Pa last
290
P.A. Now (θ)
290°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
7.11
Mag sec
10.00
delta mag (ΔM)
2.89
Spectral class
G5 (yellow)
Pri motion ra
+077
Sec motion ra
Pri motion dec
-108
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.
 
 
02424+3837 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 55798 02 42 21 +38 37 07 EVT 1 Aa,Ab 2009 6 290 0.0 7.11 10.00 2.89 Y <===
Show 55798 02 42 21 +38 37 07 AG 49 AB 2019 25 344 14.3 8.84 10.38 1.54
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
290.2
Precise sep
0.025
Constellation
Perseus
SAO
55798
HIP
12638
Tycho2
2845-02243-1
Gaia DR2
334156706263100416
HD
16760
BD
BD+37 604
Distance
45.45
Distance ly
148.26
last precise pa
290.2
last precise sep
0.025
 
 
ORBITAL ELEMENTS
 
 
Period (P)466.5d± 0.4 Periastron (T)53336.5m (2004.908y)± 3 Semi-major axis (a)25.5m± 2.8
Eccentricity (e)0.084± 0.003 Inclination (i)2.6°± 0.5 Longitude of periastron (ω)243°± 2
Node (Ω)86.9°± 1.1 Note Grade3(1=Definitive, 9=Indet.)
Equinox Last observation2009
label rho theta
2000 0.024 35.1
2001 0.024 304.5
2002 0.026 221.0
2003 0.028 151.8
2004 0.026 83.0
2005 0.024 0.5
2006 0.024 269.6
2007 0.027 192.7
2008 0.027 125.6
2009 0.025 52.8
2010 0.023 324.2
2011 0.025 237.4
2012 0.028 166.0
2013 0.027 98.5
2014 0.024 19.6
2015 0.024 288.3
2016 0.026 207.9
2017 0.028 139.9
2018 0.026 69.6
2019 0.023 344.1
2020 0.025 254.6
2021 0.027 180.4
2022 0.027 113.4
2023 0.025 38.0
2024 0.023 307.7
2025 0.026 223.6
2026 0.028 154.1
2027 0.026 85.6
2028 0.024 3.7
2029 0.024 272.6
2030 0.027 195.2


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



 
 


wds02424%2B3837a.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
02424+3837 EVT 1 Aa,Ab 2009 6 290 0.0 7.11 10.00 G5 O K 024221.31+383707.2

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