08542+3035 STF1291AB (57 Cnc)

 
 
08h 54m 14.65s +30 34' 45.8" P.A. 309.10 sep 1.5 mag 6.09,6.37 Sp G7III dist. 141.44 pc (461.38 l.y.)
 
 
Coord 2000
08542+3035
Discov num
STF1291
Comp
AB
Coord arcsec 2000
08 54 14.65 +30 34 45.8
Date first
1782
Date last
2019
Obs
294
Pa first
338
Pa last
310
P.A. Now (θ)
309.1°
Sep first
0.9
Sep last
1.5
Sep. Now (ρ)
1.53"
Mag pri
6.09
Mag sec
6.37
delta mag (ΔM)
0.28
Spectral class
G7III (yellow)
Pri motion ra
+039
Sec motion ra
+039
Pri motion dec
-026
Sec motion dec
-026
Notes
N O V (See Notes, Orbital solution, Proper motion indicates physical)
This double is physical.
 
 
08542+3035 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 57 Cnc 61125 08542+3035 STF1291 AB 1782 2019 294 309 1.5 6.09 6.37 0.28 Y <===
Show 61125 08542+3035 STF1291 AB,C 1921 2015 8 204 54.6 5.47 9.20 3.73
Triple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.2
Precise sep
1.51
Name
57 Cnc
Constellation
Cancer
SAO
61125
HIP
43721
Tycho2
2485-02096-1
Gaia DR2
3326195456
HD
75959
HR
3532
GC
12289
BD
BD+31 1907
Flamsteed
57 Cancri
Flamsteed name
57 Cnc
Distance
141.44
Distance ly
461.38
last precise pa
310.2
last precise sep
1.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)2336.1456y± 1045.0514 Periastron (T)2351.9359y± 671.3998 Semi-major axis (a)3.61518a± 1.93444
Eccentricity (e)0.79596± 0.15789 Inclination (i)104.575°± 8.536 Longitude of periastron (ω)254.31°± 24.459
Node (Ω)91.152°± 46.749 Note Grade4(1=Definitive, 9=Indet.)
Equinox Last observation2015
label rho theta
2000 1.510 311.9
2001 1.511 311.7
2002 1.512 311.6
2003 1.513 311.5
2004 1.514 311.3
2005 1.515 311.2
2006 1.516 311.1
2007 1.517 310.9
2008 1.518 310.8
2009 1.519 310.7
2010 1.520 310.5
2011 1.521 310.4
2012 1.522 310.3
2013 1.523 310.1
2014 1.524 310.0
2015 1.526 309.9
2016 1.527 309.7
2017 1.528 309.6
2018 1.529 309.5
2019 1.530 309.3
2020 1.531 309.2
2021 1.532 309.1
2022 1.533 309.0
2023 1.534 308.8
2024 1.535 308.7
2025 1.536 308.6
2026 1.537 308.4
2027 1.538 308.3
2028 1.539 308.2
2029 1.540 308.0
2030 1.541 307.9

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






wds08542%2B3035a.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
08542+3035 STF1291 AB 2007 275 311 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2008 280 312 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2011 291 310 1.4 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2012 292 310 1.6 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2013 294 311 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2014 276 312 1.5 6.09 6.37 G7III N D 085414.70+303445.0
08542+3035 STF1291 AB 2015 280 311 1.5 6.09 6.37 G7III N 085414.65+303445.8
08542+3035 STF1291 AB 2016 285 310 1.6 6.09 6.37 G7III NV 085414.65+303445.8
08542+3035 STF1291 AB 2017 287 310 1.5 6.09 6.37 G7III NV 085414.65+303445.8
08542+3035 STF1291 AB 2019 290 309 1.6 6.09 6.37 G7III NV 085414.65+303445.8

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