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Current system
08413+2029
BU 585
HD 73871


Nearby doubles
7' : 08408+2028
SLW 276

11' : 08417+2036
SLW 279AB

15' : 08405+2019
BOV 45

16' : 08423+2025
SLE 338

17' : 08401+2023
SLE 334

20' : 08399+2032
TDS 484

22' : 08419+2010
SLE 336AB

22' : 08403+2012
BOV 40

27' : 08430+2020
BOV 51

27' : 08400+2009
ARN 105AB

29' : 08432+2020
DAM1475

31' : 08423+2002
COU 382

32' : 08397+2005
COU 47

33' : 08393+2013
BOV 38

33' : 08401+2000
ENG 37AB

35' : 08391+2045
SLE 331

38' : 08433+2005
SLW 283

39' : 08401+2104
OCC 658

41' : 08422+1950
SLW 280

43' : 08391+2000
OCC 637

44' : 08403+1947
BOV 41

45' : 08381+2023
SLE 330

46' : 08384+2006
BOV 36

47' : 08444+2014
KPP1155

48' : 08401+1944
PAT 45

49' : 08445+2012
SLE 339



Selections
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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.

08413+2029 BU 585 (HD 73871)

 
 
08h 41m 15.31s +20° 28' 36.8" P.A. 72.00 sep 0.3 mag 7.10,8.08 Sp A0III dist. 167.5 pc (546.38 l.y.)
 
 
Coord 2000 08413+2029 Discov num BU  585 Comp Coord arcsec 2000 08 41 15.31 +20 28 36.8
Date first 1878 Date last 2016 Obs 56
Pa first 111 Pa last 72.1 P.A. Now (θ) 72.1°
Sep first 0.4 Sep last 0.291 Sep. Now (ρ) 0.291"
Mag pri 7.10 Mag sec 8.08 delta mag (ΔM) 0.98 Spectral class A0III (white)
Pri motion ra -001 Sec motion ra -001
Pri motion dec +000 Sec motion dec +000
Notes N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 73871 Constellation Cancer SAO 80354 HIP 42628
Tycho2 1398-02277-1 Gaia DR2 664434709163190656 HD 73871 GC 11928
BD BD+20 2178 Distance 167.5 Distance ly 546.38
 
 
WDS 08413+2029 BU 585 (HD 73871) : NOTES
 
 
discov_num notes refcode
BU 585 Spectroscopic binary. Praesepe cluster member.
1991.3184: Although the peak remains convincing, we have been unable
to confirm this measure, perhaps due to either a variable secondary or
to the star closing within our resolution limit. Msn1993b
 
 
REFERENCES
 
 
refcode metd author reference
Msn1993b Sc j Mason, B.D., Hartkopf, W.I., McAlister, H.A., & Sowell, J.R. 1993AJ....106..637M
Msn1993b AJ 106, 637, 1993
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08413+2029 BU 585 2006 52 80 0.3 7.10 8.08 A0III N D 084115.31+202836.8
08413+2029 BU 585 2010 54 75 0.3 7.10 8.08 A0III N D 084115.31+202836.8
08413+2029 BU 585 2016 55 72 0.3 7.10 8.08 A0III N 084115.31+202836.8

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

 
 
WDS 08413+2029 BU 585 (HD 73871) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08413+2029 BU 585 (HD 73871) : MEASURES
 
 
No records found.

 
 
WDS 08413+2029 (HD 73871) : VIRTUAL EYEPIECE
 
 

08413+2029 BU 585A mag 7.1 Sp A0III 08413+2029 BU 585B sep 0.3 P.A. 71.00 mag 8.08 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 08413+2029 (HD 73871) : ALADIN DSS IMAGE @ 08h 41m 15.31s +20° 28' 36.8"
 
 
 
 
WDS 08413+2029 BU 585 (HD 73871) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08413+2029 BU 585 distance=1' 08408+2028 SLW 276 distance=7' 08417+2036 SLW 278BC distance=8' 08417+2036 SLW 279AB distance=11' 08405+2019 BOV 45 distance=15' 08423+2025 SLE 338 distance=16' 08401+2023 SLE 334 distance=17' 08399+2032 TDS 484 distance=20' 08419+2010 SLE 336AB distance=22' 08403+2012 BOV 40 distance=22' 08404+2006 PAT 46CJ distance=26' 08430+2020 BOV 51 distance=27' 08400+2009 ARN 105AB distance=27' 08432+2020 DAM1475 distance=29' 08423+2002 COU 382 distance=31' 08397+2005 COU 47 distance=32' 08401+2000 PAT 44Ca,Cb distance=33' 08401+2000 SLE 335CS distance=33' 08393+2013 BOV 38 distance=33' 08401+2000 ENG 37AB distance=33' 08401+2000 ENG 37AC distance=33' 08401+2000 ENG 37AD distance=33' 08401+2000 SLE 685AR distance=33' 08401+2000 SLE 335AS distance=33' 08401+2000 CHR 28Ba,Bb distance=34' 08401+2000 BUP 120BR distance=34' 08391+2045 SLE 331 distance=35' 08418+1952 OCC 638Fa,Fb distance=38' 08433+2005 SLW 283 distance=38' 08401+2104 OCC 658 distance=39' 08422+1950 SLW 280 distance=41' 08391+2000 OCC 637 distance=43' 08403+1947 BOV 41 distance=44' 08381+2023 SLE 330 distance=45' 08384+2006 BOV 36 distance=46' 08444+2014 KPP1155 distance=47' 08401+1944 PAT 45 distance=48' 08445+2012 SLE 339 distance=49' 08431+1947 BOV 52 distance=49' 08404+1940 S 572CD distance=50' 08408+1940 BOV 47 distance=50' 08404+1940 BOV 42Ba,Bb distance=50' 08404+1940 STF1254AB distance=51' 08404+1940 STF1254AC distance=51' 08404+1940 STF1254AD distance=51' 08404+1940 SMR 30AE distance=51' 08381+1959 BOV 34 distance=53' 08397+1939 HZG 6 distance=55' 08391+1941 S 570AB distance=57' 08391+1941 S 570AC distance=57' 08405+1933 S 574AB (Meleph) distance=58' 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 08413+2029 BU 585 72 0.3 1
Show 08408+2028 SLW 276 33 22.3 7
Show 08417+2036 SLW 278 BC 87 78.2 8
Show 08417+2036 SLW 279 AB 219 169.8 11
Show 08405+2019 BOV 45 188 0.1 15
Show 08423+2025 SLE 338 14 11.6 16
Show 08401+2023 SLE 334 154 29.1 17
Show 08399+2032 TDS 484 104 2.0 20
Show 08419+2010 SLE 336 AB 329 31.6 22
Show 08403+2012 BOV 40 289 0.3 22
Show 08404+2006 PAT 46 CJ 153 0.4 26
Show 08430+2020 BOV 51 198 1.3 27
Show 08400+2009 ARN 105 AB 153 91.2 27
Show 08432+2020 DAM1475 13 4.4 29
Show 08423+2002 COU 382 348 0.3 31
Show 08397+2005 COU 47 140 0.6 32
Show 08401+2000 PAT 44 Ca,Cb 22 0.3 33
Show 08401+2000 SLE 335 CS 340 137.1 33
Show 08393+2013 BOV 38 18 0.3 33
Show 08401+2000 ENG 37 AB 150 151.8 33
Show 08401+2000 ENG 37 AC 309 134.0 33
Show 08401+2000 ENG 37 AD 111 134.9 33
Show 08401+2000 SLE 685 AR 150 290.3 33
Show 08401+2000 SLE 335 AS 325 261.7 33
Show 08401+2000 CHR 28 Ba,Bb 134 0.4 34
Show 08401+2000 BUP 120 BR 147 140.3 34
Show 08391+2045 SLE 331 181 13.6 35
Show 08418+1952 OCC 638 Fa,Fb -1 0.0 38
Show 08433+2005 SLW 283 186 19.8 38
Show 08401+2104 OCC 658 -1 0.1 39
Show 08422+1950 SLW 280 160 75.7 41
Show 08391+2000 OCC 637 -1 0.0 43
Show 08403+1947 BOV 41 69 0.1 44
Show 08381+2023 SLE 330 10 16.9 45
Show 08384+2006 BOV 36 97 1.0 46
Show 08444+2014 KPP1155 315 9.0 47
Show 08401+1944 PAT 45 208 0.9 48
Show 08445+2012 SLE 339 121 6.7 49
Show 08431+1947 BOV 52 222 0.4 49
Show 08404+1940 S 572 CD 91 72.6 50
Show 08408+1940 BOV 47 45 0.1 50
Show 08404+1940 BOV 42 Ba,Bb 25 1.8 50
Show 08404+1940 STF1254 AB 55 20.8 51
Show 08404+1940 STF1254 AC 343 62.5 51
Show 08404+1940 STF1254 AD 44 83.5 51
Show 08404+1940 SMR 30 AE 156 15.9 51
Show 08381+1959 BOV 34 74 0.2 53
Show 08397+1939 HZG 6 55 2.8 55
Show 08391+1941 S 570 AB 84 57.3 57
Show 08391+1941 S 570 AC 345 178.6 57
Show Meleph 08405+1933 S 574 AB 250 134.0 58

 
 
WDS 08413+2029 : COMPONENTS
 
 
  A
B pa=71.0°
sep=0.27"
 
 
08413+2029 A
 
 
Componente originario normalizzato AB Name HD 73871 Coord arcsec 2000 084115.31+202836.8 Mag 7.1
Spectral class A0III (white) PmRA -1.00 PmDE 0.0 SAO 80354
HIP 42628 Tycho2 1398-02277-1 HD 73871 GC 11928
BD BD+20 2178
Tycho2
Tycho2 1398-02277-1 Pflag RAmdeg 130.31381092 DEmdeg 20.47690233
PmRA -1.3 PmDE -0.4 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.35 EpDEm 1990.94
Num 20 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.4 BTmag 6.870 E BTmag 0.015 VTmag 6.753
E VTmag 0.010 Prox 999 TYC T HIP 42628
CCDM AB RAdeg 130.31381389 DEdeg 20.47690333 EpRA 1990 1.75
EpDE 1990 1.38 E RAdeg 3.7 E DEdeg 4.4 Posflg P
Corr 0.1
SAO
SAO 80354 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 0.007 Vmag 6.6 SpType A2
Double code Source 70 CatNum 11928 DM BD+20 2178
DMcomp BDsup HD 73871 M HD 0
GC 11928 RA1950rad 2.2618286 DE1950rad 0.36051154 PmRA2000 0.0002
PmDE2000 0.011
Hipparcos
Catalog H HIP 42628 Proxy H RAhms 08 41 15.31
DEdms +20 28 36.8 Vmag 6.72 VarFlag R Vmag H
RAdeg 130.314 DEdeg 20.4769 AstroRef A Plx 6.23
CCDM 08413+2029 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 85 Rho 0.454 HD 73871 BD BD+20 2178
CD CP Dm number +20 2178 VIred 0.11
SpType A0III R SpType Coord arcsec 2000 084115.31+202836.8
Hipparcos 2
HIP 42628 Sn 15 So 3 Nc 2
RArad 2.274404693 DErad 0.3573893626 Plx 5.97 PmRA 1.96
PmDE 0.57 E RArad 0.7 E DErad 0.39 E Plx 0.71
E pmRA 1.06 E pmDE 0.55 Hpmag 6.7638 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.112 E BV 0.007
VI 0.13
CCDM
Ccdm 08413+2029 RComp Comp A Note1
Note2 Discov num DRAs -2.64 DDEs -24.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.8 Sp A2 PmNote *
PmRA 9 PmDE -14 Dm number +20 2178 Cat1 BD
Name2 +20 1017 Cat2 AGK2/3 HD 73871 M HD
ADS BDS A 6930 M ADS BDS N IDS IDS 08355N2050A
HIC 42628
 
 
08413+2029 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 084115.33+202836.9 Mag 8.08 PmRA -1.00
PmDE 0.0 Calc delta mag 0.98 Calc coord yes
CCDM
Ccdm 08413+2029 RComp Comp B Note1
Note2 Discov num BU 585 DRAs DDEs
R dRAs Year 1958 Theta 098 Rho 0.5
Obs 17 Vmag 8.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6930 M ADS BDS N IDS IDS 08355N2050B
HIC 42628