08547+1637 TOK 196 Aa,Ab
08h 54m 41.52s +16° 36' 39.7" P.A. 57.00 sep 0.2 mag 9.01,9.22 Sp G5 dist. 40.14 pc (130.94 l.y.)
Coord 2000 |
08547+1637 |
|
Discov num |
TOK 196 |
|
Comp |
Aa,Ab |
|
Coord arcsec 2000 |
08 54 41.52 +16 36 39.7 |
|
Date first |
2010 |
|
Date last |
2021 |
|
Obs |
12 |
|
Pa first |
18 |
|
Pa last |
57.3 |
|
P.A. Now (θ) |
57.3° |
|
Sep first |
0.1 |
|
Sep last |
0.155 |
|
Sep. Now (ρ) |
0.155" |
|
Mag pri |
9.01 |
|
Mag sec |
9.22 |
|
delta mag (ΔM) |
0.21 |
|
Spectral class |
G5 (yellow) |
|
Pri motion ra |
-134 |
|
Sec motion ra |
-134 |
|
Pri motion dec |
-027 |
|
Sec motion dec |
-027 |
|
Notes |
O
(Orbital solution) |
|
This double is physical.
08547+1637 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
|
08 54 42 +16 36 40 |
TOK 196 Aa,Ab |
2021 |
12 |
57 |
0.2 |
9.01 |
9.22 |
0.21 |
Y |
<=== |
Show |
IK Cnc |
|
08 54 42 +16 36 40 |
AG 338 AB |
2021 |
58 |
163 |
2.1 |
9.01 |
9.22 |
0.21 |
Y |
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
IK Cnc |
|
Constellation |
Cancer |
|
HIP |
43751 |
|
Tycho2 |
1394-00057-1 |
|
Gaia DR2 |
611482710205400960 |
|
BD |
BD+17 1972 |
|
Distance |
40.14 |
|
Distance ly |
130.94 |
|
ORBITAL ELEMENTS
Period (P) | 15.365y | |
Periastron (T) | 2010.088y | |
Semi-major axis (a) | 0.184a | |
Eccentricity (e) | 0.65 | |
Inclination (i) | 136.7° | |
Longitude of periastron (ω) | 106.2° | |
Node (Ω) | 28.1° | |
Notes | | |
Reference | Tok2017c | |
Equinox | 2000 | |
Last observation | 2016 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
label |
theta |
rho |
2000 |
118.5 |
0.205 |
2001 |
108.7 |
0.217 |
2002 |
99.8 |
0.226 |
2003 |
91.4 |
0.231 |
2004 |
83.3 |
0.233 |
2005 |
75.1 |
0.229 |
2006 |
66.4 |
0.219 |
2007 |
56.6 |
0.201 |
2008 |
43.9 |
0.170 |
2009 |
22.8 |
0.118 |
2010 |
293.3 |
0.047 |
2011 |
195.8 |
0.105 |
2012 |
167.1 |
0.142 |
2013 |
148.6 |
0.166 |
2014 |
134.3 |
0.185 |
2015 |
122.4 |
0.200 |
2016 |
112.2 |
0.213 |
2017 |
103.0 |
0.223 |
2018 |
94.4 |
0.230 |
2019 |
86.2 |
0.233 |
2020 |
78.1 |
0.231 |
2021 |
69.7 |
0.224 |
2022 |
60.4 |
0.209 |
2023 |
49.0 |
0.183 |
2024 |
32.4 |
0.140 |
2025 |
348.2 |
0.067 |
2026 |
213.9 |
0.084 |
2027 |
175.7 |
0.131 |
2028 |
154.7 |
0.158 |
2029 |
139.1 |
0.178 |
2030 |
126.5 |
0.195 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|