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Doubles in session


Current system
09236-6730
HJ 4210
HD 81668


Nearby doubles
19' : 09268-6727
TDS6562

25' : 09278-6726
DAM1624

34' : 09212-6800
TDS6500

36' : 09297-6733
TDS6601

38' : 09298-6743
BRT1978

39' : 09303-6728
TDS6608

44' : 09310-6721
HDS1367

45' : 09159-6733
DON 331

47' : 09166-6708
DON1079

50' : 09320-6720
RSS 12

50' : 09229-6819
LDS 266AB

54' : 09329-6739
DON 343

60' : 09136-6746
DAM 495AB

61' : 09136-6749
DON 328

66' : 09127-6749
DAM 494

67' : 09175-6633
RST 392

67' : 09125-6751
DAM 493

69' : 09170-6633
DAM1591

69' : 09239-6838
DON 339

70' : 09147-6817
RSS 196

73' : 09359-6717
I 360

74' : 09265-6618
RST 404

75' : 09115-6705
GLI 106

78' : 09320-6629
KPP2890

80' : 09138-6829
BRT1975

81' : 09173-6841
FIN 363AB



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.

09236-6730 HJ 4210 (HD 81668)

 
 
09h 23m 35.97s -67° 29' 29.1" P.A. 239.00 sep 4.2 mag 9.15,9.81 Sp K2III
 
 
Coord 2000 09236-6730 Discov num HJ 4210 Comp Coord arcsec 2000 09 23 35.97 -67 29 29.1
Date first 1835 Date last 2016 Obs 16
Pa first 236 Pa last 239.1 P.A. Now (θ) 239.1°
Sep first 4.0 Sep last 4.163 Sep. Now (ρ) 4.163"
Mag pri 9.15 Mag sec 9.81 delta mag (ΔM) 0.66 Spectral class K2III (yellow-orange)
Pri motion ra +001 Sec motion ra +003
Pri motion dec +002 Sec motion dec +001
Notes V (Proper motion indicates physical)
rPM=0.707
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 81668 Constellation Carina Tycho2 8952-00314-1 Gaia DR2 5247142617608942336
HD 81668
 
 
WDS 09236-6730 HJ 4210 (HD 81668) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
09236-6730 HJ 4210 2000 13 239 4.1 9.15 9.81 K2III D 092335.97-672929.1
09236-6730 HJ 4210 2015 15 239 4.2 9.15 9.81 K2III 092335.97-672929.1
09236-6730 HJ 4210 2016 16 239 4.2 9.15 9.81 K2III V 092335.97-672929.1

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

 
 
WDS 09236-6730 HJ 4210 (HD 81668) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09236-6730 HJ 4210 (HD 81668) : MEASURES
 
 
No records found.

 
 
WDS 09236-6730 (HD 81668) : VIRTUAL EYEPIECE
 
 

09236-6730 HJ 4210A mag 9.15 Sp K2III 09236-6730 HJ 4210B sep 2.5 P.A. 212.60 mag 9.81 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 09236-6730 (HD 81668) : ALADIN DSS IMAGE @ 09h 23m 35.97s -67° 29' 29.1"
 
 
 
 
WDS 09236-6730 HJ 4210 (HD 81668) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09236-6730 HJ 4210 distance=0' 09268-6727 TDS6562 distance=19' 09278-6726 DAM1624 distance=25' 09212-6800 TDS6500 distance=34' 09297-6733 TDS6601 distance=36' 09298-6743 BRT1978 distance=38' 09303-6728 TDS6608 distance=39' 09310-6721 HDS1367 distance=44' 09159-6733 DON 331 distance=45' 09166-6708 DON1079 distance=47' 09320-6720 RSS 12 distance=50' 09229-6819 LDS 266AB distance=50' 09229-6819 KPP1319CD distance=50' 09329-6739 DON 343 distance=54' 09136-6746 DAM 495AB distance=60' 09136-6746 DAM 495AC distance=60' 09136-6749 DON 328 distance=61' 09127-6749 DAM 494 distance=66' 09175-6633 RST 392 distance=67' 09125-6751 DAM 493 distance=67' 09170-6633 DAM1591 distance=69' 09239-6838 DON 339 distance=69' 09147-6817 RSS 196 distance=70' 09359-6717 I 360 distance=73' 09265-6618 RST 404 distance=74' 09115-6705 GLI 106 distance=75' 09320-6629 KPP2890 distance=78' 09138-6829 BRT1975 distance=80' 09173-6841 I 358Ca,Cb distance=81' 09173-6841 FIN 363AB distance=81' 09173-6841 I 358AB,C distance=81' 09357-6813 I 359 distance=81' 09234-6851 BRT1976 distance=81' 09383-6730 TOI1047 distance=85' 09143-6624 RST 387 distance=86' 09280-6606 SKF 430 distance=88' 09096-6644 DON 323 distance=94' 09398-6801 DON 350 distance=98' 09385-6642 I 320 distance=99' 09388-6640 HDS1390AB distance=102' 09272-6911 DAM1618 distance=104' 09286-6910 TDS6587 distance=105' 09057-6757 DON 317 distance=106' 09080-6832 HDS1327 distance=108' 09402-6640 DAM1688 distance=109' 09364-6855 LDS 277 distance=111' 09407-6639 TDS6731 distance=112' 09422-6655 HJ 4241 distance=114' 09056-6637 HDS1321 distance=118' 09166-6923 DAM1586 distance=120' 09037-6652 DON 313 distance=122' 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 09236-6730 HJ 4210 239 4.2
Show 09268-6727 TDS6562 177 2.5 19
Show 09278-6726 DAM1624 282 13.0 25
Show 09212-6800 TDS6500 92 1.5 34
Show 09297-6733 TDS6601 163 0.9 36
Show 09298-6743 BRT1978 74 3.1 38
Show 09303-6728 TDS6608 251 2.4 39
Show 09310-6721 HDS1367 160 1.0 44
Show 09159-6733 DON 331 227 0.9 45
Show 09166-6708 DON1079 123 9.8 47
Show 09320-6720 RSS 12 23 55.1 50
Show 09229-6819 LDS 266 AB 216 13.7 50
Show 09229-6819 KPP1319 CD 15 10.0 50
Show 09329-6739 DON 343 29 2.2 54
Show 09136-6746 DAM 495 AB 110 7.3 60
Show 09136-6746 DAM 495 AC 275 11.6 60
Show 09136-6749 DON 328 215 2.3 61
Show 09127-6749 DAM 494 43 3.4 66
Show 09175-6633 RST 392 85 0.2 67
Show 09125-6751 DAM 493 233 3.5 67
Show 09170-6633 DAM1591 100 2.7 69
Show 09239-6838 DON 339 277 3.1 69
Show 09147-6817 RSS 196 151 21.5 70
Show 09359-6717 I 360 187 5.3 73
Show 09265-6618 RST 404 287 1.9 74
Show 09115-6705 GLI 106 35 35.5 75
Show 09320-6629 KPP2890 156 1.3 78
Show 09138-6829 BRT1975 172 4.1 80
Show 09173-6841 I 358 Ca,Cb 276 0.5 81
Show 09173-6841 FIN 363 AB 262 0.1 81
Show 09173-6841 I 358 AB,C 313 18.8 81
Show 09357-6813 I 359 157 1.6 81
Show 09234-6851 BRT1976 129 4.5 81
Show 09383-6730 TOI1047 249 0.9 85
Show 09143-6624 RST 387 40 1.0 86
Show 09280-6606 SKF 430 213 4.5 88
Show 09096-6644 DON 323 47 2.7 94
Show 09398-6801 DON 350 346 4.6 98
Show 09385-6642 I 320 40 1.2 99
Show 09388-6640 HDS1390 AB 14 16.3 102
Show 09272-6911 DAM1618 99 3.5 104
Show 09286-6910 TDS6587 87 0.5 105
Show 09057-6757 DON 317 101 0.3 106
Show 09080-6832 HDS1327 118 9.7 108
Show 09402-6640 DAM1688 260 10.4 109
Show 09364-6855 LDS 277 135 13.0 111
Show 09407-6639 TDS6731 302 0.5 112
Show 09422-6655 HJ 4241 305 34.0 114
Show 09056-6637 HDS1321 37 13.9 118
Show 09166-6923 DAM1586 79 3.3 120
Show 09037-6652 DON 313 286 5.0 122

 
 
WDS 09236-6730 : COMPONENTS
 
 
  A
B pa=212.6°
sep=2.54"
 
 
09236-6730 A
 
 
Componente originario normalizzato AB Name HD 81668 Coord arcsec 2000 092335.97-672929.1 Mag 9.15
Spectral class K2III (yellow-orange) PmRA 1.00 PmDE 2.0 Tycho2 8952-00314-1
HD 81668
Tycho2
Tycho2 8952-00314-1 Pflag RAmdeg 140.89988336 DEmdeg -67.49140963
PmRA 42.6 PmDE 26.0 E RAmdeg 12 E DEmdeg 14
E pmRA 1.9 E pmDE 2.0 EpRAm 1989.85 EpDEm 1989.58
Num 4 Q RAmdeg 8.2 Q DEmdeg 5.4 Q pmRA 7.9
Q pmDE 5.3 BTmag 10.770 E BTmag 0.042 VTmag 9.148
E VTmag 0.018 Prox 41 TYC T HIP
CCDM RAdeg 140.89963639 DEdeg -67.49146667 EpRA 1990 1.74
EpDE 1990 1.72 E RAdeg 13.4 E DEdeg 14.5 Posflg
Corr -0.1
 
 
09236-6730 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 092335.73-672931.2 Mag 9.81 PmRA 3.00
PmDE 1.0 Tycho2 8952-00314-2 Calc delta mag 0.66 Calc coord yes
Tycho2
Tycho2 8952-00314-2 Pflag RAmdeg 140.89703378 DEmdeg -67.49206366
PmRA -1.2 PmDE -0.8 E RAmdeg 26 E DEmdeg 24
E pmRA 1.8 E pmDE 1.8 EpRAm 1989.08 EpDEm 1989.37
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.2 BTmag 10.885 E BTmag 0.054 VTmag 9.812
E VTmag 0.032 Prox 41 TYC T HIP
CCDM RAdeg 140.89704222 DEdeg -67.49206139 EpRA 1990 1.66
EpDE 1990 1.73 E RAdeg 25.8 E DEdeg 24.1 Posflg
Corr 0.2