01001+4443 STF  79 (164 And)

 
 
01h 00m 03.56s +44 42' 47.7" P.A. 195.00 sep 7.9 mag 6.04,6.77 Sp B9.5V+A2V dist. 119.05 pc (388.34 l.y.)
 
 
Coord 2000
01001+4443
Discov num
STF  79
Comp
Coord arcsec 2000
01 00 03.56 +44 42 47.7
Date first
1794
Date last
2018
Obs
135
Pa first
180
Pa last
195
P.A. Now (θ)
195°
Sep first
8.0
Sep last
7.9
Sep. Now (ρ)
7.9"
Mag pri
6.04
Mag sec
6.77
delta mag (ΔM)
0.73
Spectral class
B9.5V+A2V (blue-white/white)
Pri motion ra
+013
Sec motion ra
+012
Pri motion dec
-024
Sec motion dec
-024
Notes
N O T (See Notes, Orbital solution, Parallax indicates physical)
rPM=0.037 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
194.5
Precise sep
7.883
Name
164 And
Constellation
Andromeda
SAO
36832
HIP
4675
Tycho2
2811-02322-1
Gaia DR2
376603455732600832
HD
5788
HR
282
ADS
824
BD
BD+43 193
Flamsteed
164 Andromedae
Flamsteed name
164 An
Distance
119.05
Distance ly
388.34
last precise pa
194.5
last precise sep
7.883
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)91.565c Periastron (T)8173.2y Semi-major axis (a)5.07a
Eccentricity (e)0.88 Inclination (i)38° Longitude of periastron (ω)324.4°
Node (Ω)51.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 7.898 193.9
2001 7.899 193.9
2002 7.900 193.9
2003 7.901 194.0
2004 7.903 194.0
2005 7.904 194.0
2006 7.905 194.0
2007 7.906 194.0
2008 7.907 194.0
2009 7.908 194.0
2010 7.909 194.0
2011 7.910 194.0
2012 7.911 194.0
2013 7.912 194.0
2014 7.914 194.0
2015 7.915 194.0
2016 7.916 194.0
2017 7.917 194.0
2018 7.918 194.0
2019 7.919 194.0
2020 7.920 194.1
2021 7.921 194.1
2022 7.922 194.1
2023 7.923 194.1
2024 7.924 194.1
2025 7.926 194.1
2026 7.927 194.1
2027 7.928 194.1
2028 7.929 194.1
2029 7.930 194.1
2030 7.931 194.1


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



 
 


wds01001%2B4443a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)216.765c Periastron (T)16128.6y Semi-major axis (a)9a
Eccentricity (e)0.67 Inclination (i)67.4° Longitude of periastron (ω)131.5°
Node (Ω)231.7° Note Grade5(1=Definitive, 9=Indet.)
Equinox Last observation
label rho theta
2000 7.870 193.8
2001 7.871 193.8
2002 7.872 193.8
2003 7.874 193.8
2004 7.875 193.8
2005 7.876 193.8
2006 7.877 193.8
2007 7.878 193.8
2008 7.879 193.8
2009 7.880 193.9
2010 7.881 193.9
2011 7.882 193.9
2012 7.883 193.9
2013 7.884 193.9
2014 7.886 193.9
2015 7.887 193.9
2016 7.888 193.9
2017 7.889 193.9
2018 7.890 193.9
2019 7.891 193.9
2020 7.892 193.9
2021 7.893 193.9
2022 7.894 193.9
2023 7.895 193.9
2024 7.897 193.9
2025 7.898 194.0
2026 7.899 194.0
2027 7.900 194.0
2028 7.901 194.0
2029 7.902 194.0
2030 7.903 194.0


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



 
 


wds01001%2B4443b.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
01001+4443 STF 79 2007 110 194 7.8 6.04 6.77 B9.5V A2V N D 010003.56+444247.7
01001+4443 STF 79 2008 112 194 7.8 6.04 6.77 B9.5V A2V N D 010003.56+444247.7
01001+4443 STF 79 2010 115 194 7.9 6.04 6.77 B9.5V A2V N D 010003.56+444247.7
01001+4443 STF 79 2011 117 193 7.9 6.04 6.77 B9.5V A2V N D 010003.56+444247.7
01001+4443 STF 79 2013 121 194 7.9 6.04 6.77 B9.5V A2V N D 010003.56+444247.7
01001+4443 STF 79 2015 125 193 8.0 6.04 6.77 B9.5V+A2V N 010003.56+444247.7
01001+4443 STF 79 2016 130 195 7.9 6.04 6.77 B9.5V+A2V NV 010003.56+444247.7
01001+4443 STF 79 2018 133 195 7.9 6.04 6.77 B9.5V+A2V NV 010003.56+444247.7

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