08539+1958 COU 773 (HD 75974)

 
 
08h 53m 55.35s +19° 58' 01.7" P.A. 74.00 sep 0.1 mag 7.32,7.86 Sp F8 dist. 164.74 pc (537.38 l.y.)
 
 
Coord 2000 08539+1958 Discov num COU 773 Comp Coord arcsec 2000 08 53 55.35 +19 58 01.7
Date first 1972 Date last 2014 Obs 44
Pa first 30 Pa last 74.2 P.A. Now (θ) 74.2°
Sep first 0.2 Sep last 0.079 Sep. Now (ρ) 0.079"
Mag pri 7.32 Mag sec 7.86 delta mag (ΔM) 0.54 Spectral class F8 (yellow-white)
Pri motion ra -024 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 75974 Constellation Cancer SAO 80491 HIP 43683
Tycho2 1397-00178-1 Gaia DR2 660794844638679808 HD 75974 GC 12284
BD BD+20 2232 Distance 164.74 Distance ly 537.38
 
 
ORBITAL ELEMENTS
 
 
Period (P)165.3y± 7.7 Periastron (T)2019.5y± 2.1 Semi-major axis (a)0.232a± 0.007
Eccentricity (e)0.213± 0.008 Inclination (i)76.5°± 0.2 Longitude of periastron (ω)86.6°± 7.2
Node (Ω)45.2°± 0.1 Notes ReferenceKsr2021
Equinox Last observation2006 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 51.2 0.185
2001 52.0 0.180
2002 52.8 0.174
2003 53.7 0.167
2004 54.7 0.161
2005 55.8 0.154
2006 57.0 0.146
2007 58.3 0.139
2008 59.8 0.131
2009 61.5 0.123
2010 63.4 0.114
2011 65.6 0.106
2012 68.1 0.097
2013 71.2 0.089
2014 75.0 0.080
2015 79.6 0.072
2016 85.5 0.064
2017 92.9 0.056
2018 102.4 0.050
2019 114.2 0.045
2020 128.0 0.043
2021 142.7 0.043
2022 156.4 0.046
2023 168.1 0.050
2024 177.5 0.057
2025 184.9 0.064
2026 190.7 0.072
2027 195.3 0.081
2028 199.0 0.089
2029 202.1 0.098
2030 204.6 0.106


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



 
 


wds08539%2B1958b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 08539+1958 COU 773 (HD 75974) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
KSR2021 orb - Kisser, A.E. & Krechet, V.G. 2021AstL...47..754K
KSR2021 Ast. Lett. 47, 754, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08539+1958 COU 773 2006 42 57 0.1 7.32 7.86 F8 O 085355.35+195801.7
08539+1958 COU 773 2007 43 62 0.2 7.32 7.86 F8 O 085355.35+195801.7
08539+1958 COU 773 2014 44 74 0.1 7.32 7.86 F8 O 085355.35+195801.7

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

 
 
WDS 08539+1958 COU 773 (HD 75974) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08539+1958 COU 773 (HD 75974) : MEASURES
 
 
No records found.

 
 
WDS 08539+1958 (HD 75974) : VIRTUAL EYEPIECE
 
 

08539+1958 COU 773A mag 7.32 Sp F8 08539+1958 COU 773B sep 0.1 P.A. 73.20 mag 7.86 virtual eyepiece
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Radius:
Components only
 
 
WDS 08539+1958 (HD 75974) : ALADIN DSS IMAGE @ 08h 53m 55.35s +19° 58' 01.7"
 
 
 
 
WDS 08539+1958 COU 773 (HD 75974) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


08539+1958  COU 773 distance=1' 08545+1957  BRT2394 distance=9' 08529+1957  TDS6160 distance=15' 08542+1935  HDS1286 distance=24' 08557+2000  COU 774 distance=25' 08538+2028  UC 1727 distance=30' 08557+1939  GWP1114 distance=33' 08520+1938  LDS3825 distance=33' 08544+2035  SHN 270 distance=38' 08567+1951  OCC 743Aa,Ab distance=40' 08567+1951  BLL  27AB distance=40' 08570+2012  SHN 271 distance=45' 08517+2036  SLW 306 distance=50' 08564+2035  HJ  461 distance=51' 08563+2042  STJ  32 distance=56' 08578+2001  LDS3835 distance=56' 08582+1945  LDS3836 distance=63' 08514+2053  STF1285 distance=67' 08490+2012  UC 1717AB distance=72' 08493+2032  AZC  57 distance=74' 08514+2105  COU 588 distance=76' 08554+2112  BRT2395 distance=77' 08593+2006  BRT2396 distance=79' 08482+1941  HU  458 distance=83' 08484+2042  TOK 266 distance=90' 08476+1948  OCC 755 distance=90' 08589+2110  KPP3770 distance=101' 08468+1949  TDS6092 distance=102' 08466+1937  SLW 292 distance=105' 08543+2144  KPP2187 distance=107' 09010+1922  CVR1185 distance=107' 08560+2142  OCC 716 distance=108' 08462+1915  STF1269AB distance=112' 08462+1915  FYM 619AC distance=112' 08584+1825  GWP1123 distance=113' 08466+1915  SLW 291 distance=113' 08481+1836  COU 956 distance=116' 08465+2051  UC  125 distance=118' 08598+1833  CVR  86 distance=119' 08454+2026  KPP2015 distance=123' 08452+1941  BOV  54AB distance=124' 08452+1941  BOV  54Aa,Ab distance=124' 08452+1941  BOV  54AC distance=124' 08509+1802  SCA 206 distance=125' 08510+1802  BRT2392 distance=125' 08507+1800  A  2473 distance=127' 08448+1942  GII  57 distance=131' 09008+2127  OCC 706 distance=132' 08518+2207  BRT2393 distance=132' 08448+1926  GWP1074 distance=133' 08477+2139  SLE 475 distance=134' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 08539+1958 COU 773 74 0.1 1
Show 08545+1957 BRT2394 232 3.5 9
Show 08529+1957 TDS6160 323 9.3 15
Show 08542+1935 HDS1286 354 0.9 24
Show 08557+2000 COU 774 23 2.9 25
Show 08538+2028 UC 1727 333 9.9 30
Show 08557+1939 GWP1114 344 68.0 33
Show 08520+1938 LDS3825 81 10.3 33
Show 08544+2035 SHN 270 -1 0.0 38
Show 08567+1951 OCC 743 Aa,Ab -1 0.1 40
Show 08567+1951 BLL 27 AB 254 139.0 40
Show 08570+2012 SHN 271 -1 0.0 45
Show 08517+2036 SLW 306 67 11.8 50
Show 08564+2035 HJ 461 286 15.9 51
Show 08563+2042 STJ 32 136 1.2 56
Show 08578+2001 LDS3835 287 12.7 56
Show 08582+1945 LDS3836 249 2.6 63
Show 08514+2053 STF1285 338 25.9 67
Show 08490+2012 UC 1717 AB 196 40.4 72
Show 08493+2032 AZC 57 216 16.0 74
Show 08514+2105 COU 588 333 0.4 76
Show 08554+2112 BRT2395 115 2.8 77
Show 08593+2006 BRT2396 132 5.5 79
Show 08482+1941 HU 458 189 1.6 83
Show 08484+2042 TOK 266 22 34.2 90
Show 08476+1948 OCC 755 -1 0.1 90
Show 08589+2110 KPP3770 89 4.5 101
Show 08468+1949 TDS6092 269 0.5 102
Show 08466+1937 SLW 292 312 160.9 105
Show 08543+2144 KPP2187 260 18.0 107
Show 09010+1922 CVR1185 94 3.9 107
Show 08560+2142 OCC 716 -1 0.1 108
Show 08462+1915 STF1269 AB 309 11.4 112
Show 08462+1915 FYM 619 AC 198 11.9 112
Show 08584+1825 GWP1123 327 22.2 113
Show 08466+1915 SLW 291 50 100.4 113
Show 08481+1836 COU 956 23 0.3 116
Show 08465+2051 UC 125 230 16.9 118
Show 08598+1833 CVR 86 253 39.2 119
Show 08454+2026 KPP2015 180 16.0 123
Show 08452+1941 BOV 54 AB 238 0.4 124
Show 08452+1941 BOV 54 Aa,Ab 119 0.1 124
Show 08452+1941 BOV 54 AC 287 5.3 124
Show 08509+1802 SCA 206 88 3.7 125
Show 08510+1802 BRT2392 88 3.7 125
Show 08507+1800 A 2473 92 0.2 127
Show 08448+1942 GII 57 287 5.2 131
Show 09008+2127 OCC 706 -1 0.1 132
Show 08518+2207 BRT2393 229 3.5 132
Show 08448+1926 GWP1074 330 130.4 133
Show 08477+2139 SLE 475 335 11.6 134

 
 
WDS 08539+1958 : COMPONENTS
 
 
  A
B pa=73.2°
sep=0.07"
 
 
08539+1958 A
 
 
Componente originario normalizzato AB Name HD 75974 Coord arcsec 2000 085355.35+195801.7 Mag 7.32
Spectral class F8 (yellow-white) PmRA -24.00 PmDE -9.0 SAO 80491
HIP 43683 Tycho2 1397-00178-1 HD 75974 GC 12284
BD BD+20 2232
Tycho2
Tycho2 1397-00178-1 Pflag RAmdeg 133.48055642 DEmdeg 19.96713482
PmRA -23.1 PmDE -5.6 E RAmdeg 4 E DEmdeg 5
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.24 EpDEm 1990.74
Num 25 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.6
Q pmDE 1.4 BTmag 7.550 E BTmag 0.016 VTmag 6.749
E VTmag 0.010 Prox 999 TYC T HIP 43683
CCDM AB RAdeg 133.48061278 DEdeg 19.96714806 EpRA 1990 1.77
EpDE 1990 1.57 E RAdeg 4.3 E DEdeg 4.9 Posflg P
Corr 0.1
SAO
SAO 80491 DelFlag RA1950 PmRA1950 -0.002
DE1950 PmDE1950 -0.009 Vmag 6.8 SpType F8
Double code Source 70 CatNum 12284 DM BD+20 2232
DMcomp BDsup HD 75974 M HD 0
GC 12284 RA1950rad 2.31720361 DE1950rad 0.35181482 PmRA2000 -0.0021
PmDE2000 -0.005
Hipparcos
Catalog H HIP 43683 Proxy H RAhms 08 53 55.35
DEdms +19 58 01.7 Vmag 6.68 VarFlag R Vmag G
RAdeg 133.481 DEdeg 19.9671 AstroRef * Plx 5.02
CCDM 08539+1958 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 45 Rho 0.215 HD 75974 BD BD+20 2232
CD CP Dm number +20 2232 VIred 0.76
SpType F8 R SpType Coord arcsec 2000 085355.35+195801.7
Hipparcos 2
HIP 43683 Sn 55 So 3 Nc 2
RArad 2.3296762416 DErad 0.3484924487 Plx 6.07 PmRA -22.06
PmDE -5.36 E RArad 0.92 E DErad 0.67 E Plx 0.96
E pmRA 1.26 E pmDE 1.01 Hpmag 6.805 E Hpmag 0.0013
SHp 0.008 VA 0 BV 0.701 E BV 0.006
VI 0.76
CCDM
Ccdm 08539+1958 RComp Comp A Note1
Note2 Discov num DRAs 1.31 DDEs 0.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.2 Sp F8 PmNote *
PmRA -28 PmDE -32 Dm number +20 2232 Cat1 BD
Name2 +20 1050 Cat2 AGK2/3 HD 75974 M HD
ADS BDS M ADS BDS N IDS IDS 08482N2021A
HIC 43683
 
 
08539+1958 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 085355.36+195801.7 Mag 7.86 Calc delta mag 0.54
Calc coord yes
CCDM
Ccdm 08539+1958 RComp Comp B Note1
Note2 Discov num COU 773 DRAs DDEs
R dRAs Year 1972 Theta 30 Rho 0.2
Obs 1 Vmag 7.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08482N2021B
HIC 43683