00462-2214 RST4155

 
 
00h 46m 11.05s -22 14' 29.3" P.A. 57.60 sep 0.2 mag 9.76,10.03 Sp G0V dist. 93.81 pc (306.01 l.y.)
 
 
Coord 2000
00462-2214
Discov num
RST4155
Comp
Coord arcsec 2000
00 46 11.05 -22 14 29.3
Date first
1940
Date last
2019
Obs
17
Pa first
344
Pa last
249
P.A. Now (θ)
57.6°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.76
Mag sec
10.03
delta mag (ΔM)
0.27
Spectral class
G0V (yellow)
Pri motion ra
-014
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
O (Orbital solution)
Visually invisible, K-band or other infrared star This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
248.7
Precise sep
0.155
Constellation
Cetus
SAO
166554
HIP
3606
Tycho2
5849-02187-1
Gaia DR2
84191606144
HD
4397
CD
CD-22 248
CP
CP-22 81
Distance
93.81
Distance ly
306.01
last precise pa
248.7
last precise sep
0.155
 
 
ORBITAL ELEMENTS
 
 
Period (P)48y Periastron (T)1957.2y Semi-major axis (a)0.195a
Eccentricity (e)0.2 Inclination (i)138.5° Longitude of periastron (ω)13.5°
Node (Ω)208.8° Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation1983
label rho theta
2000 0.150 243.8
2001 0.153 234.7
2002 0.156 226.0
2003 0.157 217.5
2004 0.157 209.0
2005 0.155 200.4
2006 0.151 191.4
2007 0.146 182.0
2008 0.141 171.9
2009 0.136 161.0
2010 0.133 149.4
2011 0.131 137.4
2012 0.132 125.3
2013 0.136 113.6
2014 0.142 102.7
2015 0.150 92.9
2016 0.159 84.1
2017 0.169 76.3
2018 0.179 69.4
2019 0.189 63.2
2020 0.198 57.6
2021 0.206 52.4
2022 0.214 47.7
2023 0.220 43.2
2024 0.225 39.0
2025 0.229 34.9
2026 0.231 31.0
2027 0.233 27.1
2028 0.233 23.3
2029 0.232 19.4
2030 0.229 15.4

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






wds00462-2214a.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
00462-2214 RST4155 1991 11 344 0.2 9.76 10.03 G0V NO 004611.05-221429.3
00462-2214 RST4155 2008 12 335 0.1 9.76 10.03 G0V NO 004611.05-221429.3
00462-2214 RST4155 2011 13 316 0.1 9.76 10.03 G0V NO 004611.05-221429.3
00462-2214 RST4155 2015 14 274 0.1 9.76 10.03 G0V O 004611.05-221429.3
00462-2214 RST4155 2017 15 261 0.1 9.76 10.03 G0V O 004611.05-221429.3
00462-2214 RST4155 2018 16 255 0.1 9.76 10.03 G0V O 004611.05-221429.3
00462-2214 RST4155 2019 17 249 0.2 9.76 10.03 G0V O 004611.05-221429.3

If you need more information about this double, apply for a data request form to the WDS.