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Doubles in session


Current system
04298+1741
COU 567
HD 28436


Nearby doubles
11' : 04293+1733
CIA 27

12' : 04295+1752
BGH 2AB

19' : 04285+1742
GUE 5

28' : 04288+1717
OCC 532

29' : 04311+1803
LDS3593

31' : 04313+1800
KOH 14

34' : 04301+1814
JOY 2AB

38' : 04316+1808
LOO 6

38' : 04322+1757
MSR 1AB

38' : 04277+1719
LDS2242

40' : 04325+1732
CHN 5AB

42' : 04315+1706
SAR 3AB

43' : 04314+1816
SHN 88

43' : 04317+1814
HER 10AB

44' : 04323+1716
UC 1179

45' : 04267+1735
KPP 109

47' : 04284+1822
LDS5564

48' : 04315+1659
RED 31

49' : 04332+1746
LDS2254

50' : 04320+1818
SHN 8

51' : 04271+1812
STF 545AB

52' : 04320+1822
CHN 4AB

53' : 04322+1820
KSA 107AB

54' : 04267+1811
LDS1170

55' : 04323+1820
LDS2252

57' : 04337+1752
CHN 7



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.

04298+1741 COU 567 (HD 28436)

 
 
04h 29m 48.12s +17° 40' 39.4" P.A. 148.00 sep 0.1 mag 9.37,8.09 Sp B7V dist. 267.38 pc (872.19 l.y.)
 
 
Coord 2000 04298+1741 Discov num COU 567 Comp Coord arcsec 2000 04 29 48.12 +17 40 39.4
Date first 1971 Date last 2013 Obs 21
Pa first 29 Pa last 148.4 P.A. Now (θ) 148.4°
Sep first 0.2 Sep last 0.114 Sep. Now (ρ) 0.114"
Mag pri 9.37 Mag sec 8.09 delta mag (ΔM) 1.28 Spectral class B7V (blue-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -007 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 28436 Constellation Taurus SAO 93967 HIP 20971
Tycho2 1269-01049-1 Gaia DR2 3314193509456061824 HD 28436 BD BD+17 735
Distance 267.38 Distance ly 872.19
 
 
ORBITAL ELEMENTS
 
 
Period (P)135.4y± 19.3 Periastron (T)2002y± 0.1 Semi-major axis (a)0.187a± 0.016
Eccentricity (e)0.84± 0.019 Inclination (i)109.8°± 0.5 Longitude of periastron (ω)108.7°± 2.5
Node (Ω)5.3°± 1.1 Notes ReferenceBAE2021
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 354.7 0.043
2001 336.0 0.021
2002 230.3 0.014
2003 192.9 0.034
2004 182.4 0.047
2005 176.1 0.056
2006 171.1 0.061
2007 166.9 0.065
2008 163.0 0.068
2009 159.4 0.070
2010 156.0 0.071
2011 152.7 0.072
2012 149.5 0.073
2013 146.3 0.074
2014 143.2 0.075
2015 140.1 0.075
2016 137.1 0.076
2017 134.2 0.076
2018 131.2 0.077
2019 128.4 0.077
2020 125.5 0.078
2021 122.7 0.079
2022 120.0 0.079
2023 117.3 0.080
2024 114.7 0.081
2025 112.1 0.082
2026 109.6 0.083
2027 107.2 0.084
2028 104.8 0.085
2029 102.5 0.087
2030 100.3 0.088


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


 
  


wds04298%2B1741a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04298+1741 COU 567 (HD 28436) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
BAE2021 orb j Baidin, A.E. & Krechet, V.G. 2021AstBu..76...84B
BAE2021 Astrophys. Bull. 76, 84, 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
04298+1741 COU 567 2004 20 176 0.1 9.37 8.09 B7V D 042948.12+174039.4
04298+1741 COU 567 2013 21 148 0.1 9.37 8.09 B7V O 042948.12+174039.4

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

 
 
WDS 04298+1741 COU 567 (HD 28436) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04298+1741 COU 567 (HD 28436) : MEASURES
 
 
No records found.

 
 
WDS 04298+1741 (HD 28436) : VIRTUAL EYEPIECE
 
 

04298+1741 COU 567A mag 9.37 Sp B7V 04298+1741 COU 567B sep 0.1 P.A. 149.60 mag 8.09 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 04298+1741 (HD 28436) : ALADIN DSS IMAGE @ 04h 29m 48.12s +17° 40' 39.4"
 
 
 
 
WDS 04298+1741 COU 567 (HD 28436) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04298+1741 COU 567 distance=0' 04293+1733 CIA 27 distance=11' 04295+1752 BGH 2AB distance=12' 04295+1752 OCC 483Ba,Bb distance=14' 04285+1742 GUE 5 distance=19' 04288+1717 OCC 532 distance=28' 04311+1803 LDS3593 distance=29' 04313+1800 KOH 14 distance=31' 04301+1814 COR 4Ba,Bb distance=34' 04301+1814 JOY 2AB distance=34' 04301+1814 LEI 13AC distance=34' 04316+1808 LOO 6 distance=38' 04322+1757 MSR 1AB distance=38' 04322+1757 ITO 30AC distance=38' 04277+1719 LDS2242 distance=38' 04325+1732 LEI 3Aa,Ab distance=40' 04325+1732 CHN 5AB distance=40' 04325+1732 HAT 8AC distance=40' 04325+1732 HAT 8AD distance=40' 04325+1732 DIF 1Ab1,2 distance=40' 04325+1732 LEI 3Ba,Bb distance=40' 04315+1706 SAR 3AB distance=42' 04315+1706 SAR 3AC distance=42' 04315+1706 SAR 3AD distance=42' 04314+1816 SHN 88 distance=43' 04317+1814 GHE 9Aa,Ab distance=43' 04317+1814 HER 10AB distance=43' 04323+1716 UC 1179 distance=44' 04267+1735 KPP 109 distance=45' 04284+1822 LDS5564 distance=47' 04327+1803 SAR 4A,Ba distance=48' 04327+1803 SAR 4A,Bb distance=48' 04327+1803 SAR 4AC distance=48' 04327+1803 SAR 4AD distance=48' 04327+1803 SAR 4AE distance=48' 04315+1659 RED 31 distance=48' 04332+1746 LDS2254 distance=49' 04320+1818 SHN 8 distance=50' 04271+1812 KOH 11Aa,Ab distance=51' 04271+1812 STF 545AB distance=51' 04320+1822 CHN 4AB distance=52' 04320+1822 HER 11AD distance=52' 04320+1822 HER 11BD distance=52' 04322+1820 KSA 107AB distance=53' 04322+1820 ITO 29AC distance=53' 04267+1811 LDS1170 distance=54' 04323+1820 LDS2252 distance=55' 04337+1752 CHN 7 distance=57' 04335+1801 STF 559 distance=58' 04258+1733 RED 4 distance=59' 04324+1828 BRC 1AC distance=60' 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 04298+1741 COU 567 148 0.1
Show 04293+1733 CIA 27 -1 -1.0 11
Show 04295+1752 BGH 2 AB 9 109.5 12
Show 04295+1752 OCC 483 Ba,Bb -1 0.4 14
Show 04285+1742 GUE 5 75 1.7 19
Show 04288+1717 OCC 532 -1 0.5 28
Show 04311+1803 LDS3593 58 339.0 29
Show 04313+1800 KOH 14 242 10.6 31
Show 04301+1814 COR 4 Ba,Bb 287 0.1 34
Show 04301+1814 JOY 2 AB 269 5.9 34
Show 04301+1814 LEI 13 AC 182 2.7 34
Show 04316+1808 LOO 6 185 0.4 38
Show 04322+1757 MSR 1 AB 51 7.2 38
Show 04322+1757 ITO 30 AC 124 7.2 38
Show 04277+1719 LDS2242 204 14.1 38
Show 04325+1732 LEI 3 Aa,Ab 329 0.3 40
Show 04325+1732 CHN 5 AB 186 10.1 40
Show 04325+1732 HAT 8 AC 213 13.3 40
Show 04325+1732 HAT 8 AD 45 16.8 40
Show 04325+1732 DIF 1 Ab1,2 227 0.0 40
Show 04325+1732 LEI 3 Ba,Bb 135 1.5 40
Show 04315+1706 SAR 3 AB 235 18.9 42
Show 04315+1706 SAR 3 AC 46 9.1 42
Show 04315+1706 SAR 3 AD 237 18.7 42
Show 04314+1816 SHN 88 -1 0.1 43
Show 04317+1814 GHE 9 Aa,Ab 127 0.3 43
Show 04317+1814 HER 10 AB 273 22.5 43
Show 04323+1716 UC 1179 133 60.8 44
Show 04267+1735 KPP 109 79 3.8 45
Show 04284+1822 LDS5564 169 34.5 47
Show 04327+1803 SAR 4 A,Ba 1 24.5 48
Show 04327+1803 SAR 4 A,Bb 3 23.9 48
Show 04327+1803 SAR 4 AC 94 21.8 48
Show 04327+1803 SAR 4 AD 87 28.7 48
Show 04327+1803 SAR 4 AE 171 16.1 48
Show 04315+1659 RED 31 34 9.0 48
Show 04332+1746 LDS2254 82 2.6 49
Show 04320+1818 SHN 8 319 0.2 50
Show 04271+1812 KOH 11 Aa,Ab 191 0.1 51
Show 04271+1812 STF 545 AB 58 19.0 51
Show 04320+1822 CHN 4 AB 358 3.3 52
Show 04320+1822 HER 11 AD 99 27.2 52
Show 04320+1822 HER 11 BD 106 28.0 52
Show 04322+1820 KSA 107 AB 14 0.1 53
Show 04322+1820 ITO 29 AC 281 5.1 53
Show 04267+1811 LDS1170 240 22.4 54
Show 04323+1820 LDS2252 52 57.7 55
Show 04337+1752 CHN 7 223 3.1 57
Show 04335+1801 STF 559 275 3.1 58
Show 04258+1733 RED 4 80 0.3 59
Show 04324+1828 BRC 1 AC 30 4.3 60

 
 
WDS 04298+1741 : COMPONENTS
 
 
  A
B pa=149.6°
sep=0.11"
 
 
04298+1741 A
 
 
Componente originario normalizzato AB Name HD 28436 Coord arcsec 2000 042948.12+174039.4 Mag 9.37
Spectral class B7V (blue-white) PmRA 5.00 PmDE -7.0 SAO 93967
HIP 20971 HD 28436 BD BD+17 735
SAO
SAO 93967 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.012 Vmag 8.1 SpType B9
Double code Source 28 CatNum 1196 DM BD+17 735
DMcomp BDsup HD 28436 M HD 0
GC RA1950rad 1.16462928 DE1950rad 0.30664305 PmRA2000 0.0003
PmDE2000 -0.013
Hipparcos
Catalog H HIP 20971 Proxy H RAhms 04 29 48.12
DEdms +17 40 39.4 Vmag 7.73 VarFlag R Vmag G
RAdeg 67.4505 DEdeg 17.6776 AstroRef * Plx 4.85
CCDM 04298+1741 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP BA
Theta 195 Rho 0.133 HD 28436 BD BD+17 735
CD CP Dm number +17 735 VIred 0.27
SpType B7V R SpType Coord arcsec 2000 042948.12+174039.4
Hipparcos 2
HIP 20971 Sn 55 So 3 Nc 2
RArad 1.1772333684 DErad 0.3085326275 Plx 3.74 PmRA 5.38
PmDE -7.67 E RArad 0.9 E DErad 0.56 E Plx 1
E pmRA 1.13 E pmDE 0.83 Hpmag 7.7971 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.24 E BV 0.015
VI 0.27
CCDM
Ccdm 04298+1741 RComp Comp A Note1
Note2 Discov num DRAs 0.07 DDEs -21.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp B9 PmNote *
PmRA 1 PmDE -25 Dm number +17 735 Cat1 BD
Name2 +17 397 Cat2 AGK2/3 HD 28436 M HD
ADS BDS M ADS BDS N IDS IDS 04240N1728A
HIC 20971
 
 
04298+1741 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042948.12+174039.3 Mag 8.09 Tycho2 1269-01049-1
Calc delta mag 1.28 Calc coord yes
Tycho2
Tycho2 1269-01049-1 Pflag RAmdeg 67.45052266 DEmdeg 17.67760292
PmRA 7.9 PmDE -5.8 E RAmdeg 5 E DEmdeg 6
E pmRA 1.3 E pmDE 1.2 EpRAm 1991.38 EpDEm 1990.98
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 0.9 BTmag 7.988 E BTmag 0.017 VTmag 7.789
E VTmag 0.013 Prox 999 TYC T HIP 20971
CCDM AB RAdeg 67.45050389 DEdeg 17.67761639 EpRA 1990 1.71
EpDE 1990 1.48 E RAdeg 5.4 E DEdeg 6.4 Posflg P
Corr -0.2
CCDM
Ccdm 04298+1741 RComp Comp B Note1
Note2 Discov num COU 567 DRAs DDEs
R dRAs Year 1971 Theta 27 Rho 0.2
Obs 2 Vmag 8.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 04240N1728B
HIC 20971