00100+0835 A  1801

 
 
00h 09m 57.47s +08 34' 37.3" P.A. 17.90 sep 0.3 mag 9.50,9.50 Sp F8 dist. 125.31 pc (408.76 l.y.)
 
 
Coord 2000
00100+0835
Discov num
A  1801
Comp
Coord arcsec 2000
00 09 57.47 +08 34 37.3
Date first
1908
Date last
2020
Obs
22
Pa first
190
Pa last
18
P.A. Now (θ)
17.9°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.34"
Mag pri
9.50
Mag sec
9.50
delta mag (ΔM)
0
Spectral class
F8 (yellow-white)
Pri motion ra
-058
Sec motion ra
Pri motion dec
-054
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
18.2
Precise sep
0.337
Constellation
Pisces
HIP
807
Tycho2
0594-00354-1
HD
542
ADS
120
BD
BD+07 10
Distance
125.31
Distance ly
408.76
last precise pa
18.2
last precise sep
0.337
 
 
ORBITAL ELEMENTS
 
 
Period (P)229y Periastron (T)2020y Semi-major axis (a)0.435a
Eccentricity (e)0.132 Inclination (i)94.1° Longitude of periastron (ω)151.4°
Node (Ω)195.9° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2021
label rho theta
2000 0.141 26.5
2001 0.152 25.6
2002 0.164 24.7
2003 0.175 24.0
2004 0.186 23.3
2005 0.197 22.8
2006 0.208 22.2
2007 0.219 21.8
2008 0.229 21.4
2009 0.240 21.0
2010 0.250 20.6
2011 0.259 20.3
2012 0.269 20.0
2013 0.278 19.7
2014 0.286 19.5
2015 0.295 19.2
2016 0.303 19.0
2017 0.311 18.7
2018 0.318 18.5
2019 0.325 18.3
2020 0.332 18.1
2021 0.338 17.9
2022 0.344 17.8
2023 0.349 17.6
2024 0.355 17.4
2025 0.359 17.3
2026 0.364 17.1
2027 0.368 16.9
2028 0.371 16.8
2029 0.374 16.6
2030 0.377 16.5


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



 
 


wds00100%2B0835a.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
00100+0835 A 1801 1979 16 198 0.2 9.50 9.50 F8 000957.47+083437.3
00100+0835 A 1801 2017 17 199 0.3 9.50 9.50 F8 000957.47+083437.3

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