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Doubles in session


Current system
08423+2002
COU 382


Nearby doubles
10' : 08419+2010
SLE 336AB

13' : 08422+1950
SLW 280

15' : 08433+2005
SLW 283

19' : 08431+1947
BOV 52

21' : 08430+2020
BOV 51

22' : 08432+2020
DAM1475

23' : 08423+2025
SLE 338

30' : 08403+2012
BOV 40

31' : 08413+2029
BU 585

31' : 08405+2019
BOV 45

31' : 08444+2014
KPP1155

32' : 08408+1940
BOV 47

32' : 08401+2000
ENG 37AB

32' : 08445+2012
SLE 339

33' : 08403+1947
BOV 41

35' : 08400+2009
ARN 105AB

35' : 08408+2028
SLW 276

36' : 08417+2036
SLW 279AB

36' : 08404+1940
STF1254AB

37' : 08401+1944
PAT 45

38' : 08397+2005
COU 47

38' : 08401+2023
SLE 334

38' : 08431+1926
BOV 53AB

39' : 08425+1924
BOV 50

40' : 08405+1933
S 574AB
Meleph

40' : 08448+1942
GII 57



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

08423+2002 COU 382

 
 
08h 42m 20.12s +20° 02' 11.7" P.A. 348.00 sep 0.3 mag 10.40,10.50 Sp F6V
 
 
Coord 2000 08423+2002 Discov num COU 382 Comp Coord arcsec 2000 08 42 20.12 +20 02 11.7
Date first 1969 Date last 2020 Obs 14
Pa first 67 Pa last 348.2 P.A. Now (θ) 348.2°
Sep first 0.2 Sep last 0.345 Sep. Now (ρ) 0.345"
Mag pri 10.40 Mag sec 10.50 delta mag (ΔM) 0.1 Spectral class F6V (yellow-white)
Pri motion ra -045 Sec motion ra
Pri motion dec -022 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer Tycho2 1398-00070-1 Gaia DR2 661405966945537280
 
 
ORBITAL ELEMENTS
 
 
Period (P)135y Periastron (T)2023.4y Semi-major axis (a)0.185a
Eccentricity (e)0.4 Inclination (i)131° Longitude of periastron (ω)269.8°
Node (Ω)0° Notes ReferenceCou1999b
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 193.0 0.173
2001 191.1 0.171
2002 189.2 0.169
2003 187.3 0.166
2004 185.2 0.163
2005 183.1 0.160
2006 181.0 0.157
2007 178.7 0.153
2008 176.3 0.149
2009 173.7 0.144
2010 171.0 0.140
2011 168.1 0.135
2012 164.9 0.129
2013 161.5 0.123
2014 157.7 0.117
2015 153.5 0.111
2016 148.8 0.105
2017 143.5 0.099
2018 137.4 0.092
2019 130.6 0.087
2020 122.8 0.082
2021 114.1 0.077
2022 104.6 0.074
2023 94.4 0.073
2024 84.1 0.073
2025 74.0 0.075
2026 64.6 0.078
2027 56.0 0.082
2028 48.4 0.088
2029 41.7 0.093
2030 35.8 0.100


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


 
  


wds08423%2B2002a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08423+2002 COU 382 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Cou1999b orb - Couteau, P. .
Cou1999b Cat. de 2700 Etoiles Doubles "COU", 1999 Obs. de la Cote d'Azur, 3rd ed.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08423+2002 COU 382 1998 7 167 0.3 10.40 10.50 F6V O 084220.12+200211.7
08423+2002 COU 382 2008 9 178 0.2 10.40 10.50 F6V O 084220.12+200211.7
08423+2002 COU 382 2016 10 353 0.3 10.40 10.50 F6V O 084220.12+200211.7
08423+2002 COU 382 2018 11 349 0.3 10.40 10.50 F6V O 084220.12+200211.7
08423+2002 COU 382 2020 12 348 0.3 10.40 10.50 F6V O 084220.12+200211.7

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

 
 
WDS 08423+2002 COU 382 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08423+2002 COU 382 : MEASURES
 
 
No records found.

 
 
WDS 08423+2002 : VIRTUAL EYEPIECE
 
 

08423+2002 COU 382A mag 10.4 Sp F6V 08423+2002 COU 382B sep 0.3 P.A. 348.90 mag 10.5 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08423+2002 : ALADIN DSS IMAGE @ 08h 42m 20.12s +20° 02' 11.7"
 
 
 
 
WDS 08423+2002 COU 382 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08423+2002 COU 382 distance=0' 08419+2010 SLE 336AB distance=10' 08418+1952 OCC 638Fa,Fb distance=13' 08422+1950 SLW 280 distance=13' 08433+2005 SLW 283 distance=15' 08431+1947 BOV 52 distance=19' 08430+2020 BOV 51 distance=21' 08432+2020 DAM1475 distance=22' 08423+2025 SLE 338 distance=23' 08404+2006 PAT 46CJ distance=28' 08403+2012 BOV 40 distance=30' 08401+2000 CHR 28Ba,Bb distance=31' 08401+2000 BUP 120BR distance=31' 08413+2029 BU 585 distance=31' 08405+2019 BOV 45 distance=31' 08444+2014 KPP1155 distance=31' 08408+1940 BOV 47 distance=32' 08401+2000 ENG 37AB distance=32' 08401+2000 ENG 37AC distance=32' 08401+2000 ENG 37AD distance=32' 08401+2000 SLE 685AR distance=32' 08401+2000 SLE 335AS distance=32' 08445+2012 SLE 339 distance=32' 08403+1947 BOV 41 distance=33' 08401+2000 PAT 44Ca,Cb distance=34' 08401+2000 SLE 335CS distance=34' 08417+2036 SLW 278BC distance=34' 08400+2009 ARN 105AB distance=35' 08408+2028 SLW 276 distance=35' 08404+1940 S 572CD distance=36' 08404+1940 BOV 42Ba,Bb distance=36' 08417+2036 SLW 279AB distance=36' 08404+1940 STF1254AB distance=36' 08404+1940 STF1254AC distance=36' 08404+1940 STF1254AD distance=36' 08404+1940 SMR 30AE distance=36' 08401+1944 PAT 45 distance=37' 08397+2005 COU 47 distance=38' 08401+2023 SLE 334 distance=38' 08431+1926 BOV 53AB distance=38' 08425+1924 BOV 50 distance=39' 08405+1933 S 574AB (Meleph) distance=40' 08405+1933 CIA 28Aa,Ab (Meleph) distance=40' 08448+1942 GII 57 distance=40' 08397+1939 HZG 6 distance=44' 08399+1933 BU 584AB distance=45' 08399+1933 S 571AD distance=45' 08399+1933 S 571AG distance=45' 08399+1933 GII 164Aa,Ab distance=45' 08393+2013 BOV 38 distance=45' 08452+1941 BOV 54AB distance=46' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 08423+2002 COU 382 348 0.3
Show 08419+2010 SLE 336 AB 329 31.6 10
Show 08418+1952 OCC 638 Fa,Fb -1 0.0 13
Show 08422+1950 SLW 280 160 75.7 13
Show 08433+2005 SLW 283 186 19.8 15
Show 08431+1947 BOV 52 222 0.4 19
Show 08430+2020 BOV 51 198 1.3 21
Show 08432+2020 DAM1475 13 4.4 22
Show 08423+2025 SLE 338 14 11.6 23
Show 08404+2006 PAT 46 CJ 153 0.4 28
Show 08403+2012 BOV 40 289 0.3 30
Show 08401+2000 CHR 28 Ba,Bb 134 0.4 31
Show 08401+2000 BUP 120 BR 147 140.3 31
Show 08413+2029 BU 585 72 0.3 31
Show 08405+2019 BOV 45 188 0.1 31
Show 08444+2014 KPP1155 315 9.0 31
Show 08408+1940 BOV 47 45 0.1 32
Show 08401+2000 ENG 37 AB 150 151.8 32
Show 08401+2000 ENG 37 AC 309 134.0 32
Show 08401+2000 ENG 37 AD 111 134.9 32
Show 08401+2000 SLE 685 AR 150 290.3 32
Show 08401+2000 SLE 335 AS 325 261.7 32
Show 08445+2012 SLE 339 121 6.7 32
Show 08403+1947 BOV 41 69 0.1 33
Show 08401+2000 PAT 44 Ca,Cb 22 0.3 34
Show 08401+2000 SLE 335 CS 340 137.1 34
Show 08417+2036 SLW 278 BC 87 78.2 34
Show 08400+2009 ARN 105 AB 153 91.2 35
Show 08408+2028 SLW 276 33 22.3 35
Show 08404+1940 S 572 CD 91 72.6 36
Show 08404+1940 BOV 42 Ba,Bb 25 1.8 36
Show 08417+2036 SLW 279 AB 219 169.8 36
Show 08404+1940 STF1254 AB 55 20.8 36
Show 08404+1940 STF1254 AC 343 62.5 36
Show 08404+1940 STF1254 AD 44 83.5 36
Show 08404+1940 SMR 30 AE 156 15.9 36
Show 08401+1944 PAT 45 208 0.9 37
Show 08397+2005 COU 47 140 0.6 38
Show 08401+2023 SLE 334 154 29.1 38
Show 08431+1926 BOV 53 AB 159 0.1 38
Show 08425+1924 BOV 50 306 2.9 39
Show Meleph 08405+1933 S 574 AB 250 134.0 40
Show Meleph 08405+1933 CIA 28 Aa,Ab 171 0.0 40
Show 08448+1942 GII 57 287 5.2 40
Show 08397+1939 HZG 6 55 2.8 44
Show 08399+1933 BU 584 AB 290 0.9 45
Show 08399+1933 S 571 AD 242 92.1 45
Show 08399+1933 S 571 AG 158 45.7 45
Show 08399+1933 GII 164 Aa,Ab 101 0.2 45
Show 08393+2013 BOV 38 18 0.3 45
Show 08452+1941 BOV 54 AB 238 0.4 46

 
 
WDS 08423+2002 : COMPONENTS
 
 
  A
B pa=348.9°
sep=0.34"
 
 
08423+2002 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 084220.12+200211.7 Mag 10.4 Spectral class F6V (yellow-white)
PmRA -45.00 PmDE -22.0 Tycho2 1398-00070-1 DM BD+20 2189
Tycho2
Tycho2 1398-00070-1 Pflag RAmdeg 130.58386748 DEmdeg 20.03659303
PmRA -35.2 PmDE -15.6 E RAmdeg 17 E DEmdeg 20
E pmRA 1.0 E pmDE 1.0 EpRAm 1986.60 EpDEm 1984.60
Num 7 Q RAmdeg 0.5 Q DEmdeg 1.1 Q pmRA 0.5
Q pmDE 1.1 BTmag 10.374 E BTmag 0.036 VTmag 9.749
E VTmag 0.030 Prox 999 TYC T HIP
CCDM RAdeg 130.58395417 DEdeg 20.03662722 EpRA 1990 1.81
EpDE 1990 1.41 E RAdeg 18.5 E DEdeg 23.0 Posflg
Corr 0.1
CCDM
Ccdm 08423+2002 RComp Comp A Note1
Note2 Discov num DRAs 2.09 DDEs 11.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp PmNote *
PmRA -42 PmDE -26 Dm number +20 2189 Cat1 BD
Name2 +20 1023 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 08366N2024A
HIC
 
 
08423+2002 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084220.12+200212.0 Mag 10.5 Calc delta mag 0.1
Calc coord yes
CCDM
Ccdm 08423+2002 RComp Comp B Note1
Note2 Discov num COU 382 DRAs DDEs
R dRAs Year 1969 Theta 67 Rho 0.2
Obs 1 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 08366N2024B
HIC