00055+3406 HU 1201AB

 
 
00h 05m 29.06s +34 06' 20.4" P.A. 305.60 sep 0.1 mag 8.20,9.76 Sp F8 dist. 97.09 pc (316.71 l.y.)
 
 
Coord 2000
00055+3406
Discov num
HU 1201
Comp
AB
Coord arcsec 2000
00 05 29.06 +34 06 20.4
Date first
1904
Date last
2012
Obs
35
Pa first
310
Pa last
313
P.A. Now (θ)
305.6°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.09"
Mag pri
8.20
Mag sec
9.76
delta mag (ΔM)
1.56
Spectral class
F8 (yellow-white)
Pri motion ra
-015
Sec motion ra
Pri motion dec
+026
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
00055+3406 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 53635 00 05 29 +34 06 20 HU 1201 AB 2012 35 306 0.1 8.20 9.76 1.56 Y <===
Show 53635 00 05 29 +34 06 20 HO 490 AC 2015 12 163 25.3 8.20 13.40 5.20
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.7
Precise sep
0.158
Constellation
Andromeda
SAO
53635
HIP
461
Tycho2
2267-01706-1
Gaia DR2
2874421366954299904
HD
39
ADS
51
BD
BD+33 4832
Distance
97.09
Distance ly
316.71
last precise pa
312.7
last precise sep
0.158
 
 
ORBITAL ELEMENTS
 
 
Period (P)47.06y Periastron (T)1983.89y Semi-major axis (a)0.138a
Eccentricity (e)0.651 Inclination (i)91.5° Longitude of periastron (ω)23.9°
Node (Ω)128.1° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1998
label rho theta
2000 0.210 307.9
2001 0.212 307.8
2002 0.214 307.8
2003 0.215 307.7
2004 0.215 307.7
2005 0.214 307.6
2006 0.212 307.5
2007 0.210 307.5
2008 0.206 307.4
2009 0.202 307.3
2010 0.197 307.3
2011 0.191 307.2
2012 0.184 307.1
2013 0.177 307.0
2014 0.168 306.9
2015 0.159 306.8
2016 0.149 306.7
2017 0.139 306.5
2018 0.127 306.4
2019 0.115 306.2
2020 0.102 305.9
2021 0.088 305.6
2022 0.073 305.2
2023 0.057 304.5
2024 0.041 303.2
2025 0.024 300.3
2026 0.007 281.6
2027 0.012 140.2
2028 0.029 132.1
2029 0.044 129.8
2030 0.051 128.6


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



 
 


wds00055%2B3406a.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
00055+3406 HU 1201 AB 2005 29 305 0.2 8.20 9.76 F8 NOD 000529.06+340620.4
00055+3406 HU 1201 AB 2007 30 318 0.2 8.20 9.76 F8 NOD 000529.06+340620.4
00055+3406 HU 1201 AB 2010 31 304 0.2 8.20 9.76 F8 NOD 000529.06+340620.4

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