09123+1500 FIN 347Aa,Ab

 
 
09h 12m 17.55s +14 59' 45.7" P.A. 155 sep 0.1 mag 7.20,7.20 Sp G8V dist. 20.36 pc (66.41 l.y.)
 
 
Coord 2000
09123+1500
Discov num
FIN 347
Comp
Aa,Ab
Coord arcsec 2000
09 12 17.55 +14 59 45.7
Date first
1959
Date last
2016
Obs
116
Pa first
156
Pa last
155
P.A. Now (θ)
155°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
7.20
Mag sec
7.20
delta mag (ΔM)
0
Spectral class
G8V (yellow)
Pri motion ra
-524
Sec motion ra
Pri motion dec
+246
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
09123+1500 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 98427 09123+1500 FIN 347 Aa,Ab 1959 2016 116 155 0.1 7.20 7.20 0.00 Y <===
Show Pi1 Cnc 98427 09123+1500 BUP 125 AB 1907 2000 5 117 90.4 6.56 14.17 7.61
Show 98427 09123+1500 STT 569 AC 1855 2009 15 215 204.0 6.56 10.40 3.84
Show 98427 09123+1500 WIL 1 AE 1997 1997 1 262 43.0 6.56 17.00 10.44
Show 09123+1500 BUG 16 Ea,Eb 2004 2004 1 291 0.5 14.70 14.90 0.20
Sextuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.4
Precise sep
0.143
Cdsa2 id
FIN 347 Aa,Ab
Constellation
Cancer
SAO
98427
HIP
45170
Tycho2
0825-01543-1
HD
79096
HR
3650
GC
12693
GL
Gl 337A
BD
BD+15 2003
Bayer
Pi 1 Cancri
Bayer name
Pi1 Cnc
Flamsteed
81 Cancri
Flamsteed name
81 Cnc
Ra deg
9.204875
De deg
14.996027777777776
Distance
20.36
Distance ly
66.41
last precise pa
155.4
last precise sep
0.143
 
 
ORBITAL ELEMENTS
 
 
Period (P)2.7043y Periastron (T)1979.9904y Semi-major axis (a)0.117a
Eccentricity (e)0.417 Inclination (i)122.4° Longitude of periastron (ω)351.5°
Node (Ω)318.3° Note Grade1(1=Definitive, 9=Indet.)
Equinox2000 Last observation2007
label rho theta
2000 0.150 152.5
2001 0.107 111.8
2002 0.055 229.4
2003 0.165 142.1
2004 0.053 64.3
2005 0.097 176.4
2006 0.157 132.2
2007 0.066 329.5
2008 0.139 157.3
2009 0.125 119.2
2010 0.055 264.2
2011 0.162 145.9
2012 0.072 90.8
2013 0.078 189.7
2014 0.163 136.1
2015 0.053 357.8
2016 0.125 163.1
2017 0.140 124.9
2018 0.063 293.4
2019 0.156 149.8
2020 0.094 105.6
2021 0.062 210.8
2022 0.165 139.8
2023 0.048 39.3
2024 0.108 170.5
2025 0.152 129.6
2026 0.069 315.9
2027 0.146 154.2
2028 0.114 114.9
2029 0.053 242.5
2030 0.164 143.5

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

grafico orbita





wds09123%2B1500a.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
09123+1500 FIN 347 Aa,Ab 2005 104 315 0.2 7.20 7.20 G8V NOD 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2007 106 324 0.1 7.20 7.20 G8V NOD 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2014 113 309 0.1 7.20 7.20 G8V NO 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2015 115 168 0.1 7.20 7.20 G8V NO 091217.87+145943.6
09123+1500 FIN 347 Aa,Ab 2016 116 155 0.1 7.20 7.20 G8V NO 091217.55+145945.7

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