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Doubles in session


Current system
06078-6941
HJ 3844 AB
HD 42990


Nearby doubles
4' : 06079-6937
OGL 476

11' : 06067-6933
OGL 472

17' : 06094-6955
TDS 222AB

17' : 06077-6925
OGL 475

25' : 06118-6927
OGL 484

27' : 06046-6921
OGL 469

28' : 06031-6953
TDS3521

37' : 06008-6937
OGL 459

39' : 06117-6909
OGL 483

39' : 06013-7001
B 2597

41' : 06017-7007
HDS 821

42' : 06063-6900
NSN 271

44' : 06043-7021
OGL 468

46' : 06134-7017
OGL 487

49' : 06024-6902
OGL 462

50' : 06128-7023
OGL 486

52' : 06075-7033
OGL 474

54' : 06148-7020
OGL 489

54' : 06116-7031
OGL 482

54' : 05581-7000
OGL 453

55' : 06123-7031
OGL 485

58' : 05576-7004
OGL 450

58' : 06150-7025
OGL 490

61' : 06152-7028
OGL 492

65' : 05567-7012
OGL 446

66' : 06097-7046
OGL 477



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.

06078-6941 HJ 3844 AB (HD 42990)

 
 
06h 07m 50.63s -69° 41' 09.3" P.A. 93.00 sep 13.3 mag 8.78,12.20 Sp G8/K0III
 
 
Coord 2000 06078-6941 Discov num HJ 3844 Comp AB Coord arcsec 2000 06 07 50.63 -69 41 09.3
Date first 1835 Date last 2015 Obs 9
Pa first 91 Pa last 92.8 P.A. Now (θ) 92.8°
Sep first 8.0 Sep last 13.26 Sep. Now (ρ) 13.26"
Mag pri 8.78 Mag sec 12.20 delta mag (ΔM) 3.42 Spectral class G8/K0III (yellow)
Pri motion ra -002 Sec motion ra +005
Pri motion dec +019 Sec motion dec +017
Notes
rPM=0.381
Nature of this double is uncertain.
 
 
06078-6941 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 42990 06 07 51 -69 41 09 HJ 3844 AB 2015 9 93 13.3 8.78 12.20 3.42 <===
Show 06 07 51 -69 41 09 HJ 3844 AC 2015 11 136 33.9 8.78 11.32 2.54
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 42990 Constellation Dorado Tycho2 9168-00601-1 Gaia DR2 5279662288910848640
HD 42990
 
 
WDS 06078-6941 HJ 3844 AB (HD 42990) : 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
06078-6941 HJ 3844 AB 1998 5 92 13.2 8.78 12.20 G8/K0III D 060750.63-694109.3
06078-6941 HJ 3844 AB 2000 8 93 13.2 8.78 12.20 G8/K0III D 060750.63-694109.3
06078-6941 HJ 3844 AB 2015 9 93 13.3 8.78 12.20 G8/K0III 060750.63-694109.3

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

 
 
WDS 06078-6941 HJ 3844 AB (HD 42990) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06078-6941 HJ 3844 AB (HD 42990) : MEASURES
 
 
No records found.

 
 
WDS 06078-6941 (HD 42990) : VIRTUAL EYEPIECE
 
 

06078-6941 HJ 3844A mag 8.78 Sp G8/K0III 06078-6941 HJ 3844B sep 4.6 P.A. 98.00 mag 12.2 06078-6941 HJ 3844C sep 25.7 P.A. 161.50 mag 11.32 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 06078-6941 (HD 42990) : ALADIN DSS IMAGE @ 06h 07m 50.63s -69° 41' 09.3"
 
 
 
 
WDS 06078-6941 HJ 3844 AB (HD 42990) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06078-6941 HJ 3844AB distance=1' 06078-6941 HJ 3844AC distance=1' 06079-6937 OGL 476 distance=4' 06067-6933 OGL 472 distance=11' 06094-6955 TDS 222AB distance=17' 06077-6925 OGL 475 distance=17' 06118-6927 OGL 484 distance=25' 06046-6921 OGL 469 distance=27' 06031-6953 TDS3521 distance=28' 06008-6937 OGL 459 distance=37' 06117-6909 OGL 483 distance=39' 06013-7001 B 2597 distance=39' 06017-7007 HDS 821 distance=41' 06063-6900 NSN 271 distance=42' 06043-7021 OGL 468 distance=44' 06134-7017 OGL 487 distance=46' 06024-6902 OGL 462 distance=49' 06128-7023 OGL 486 distance=50' 06075-7033 OGL 474 distance=52' 06148-7020 OGL 489 distance=54' 06116-7031 OGL 482 distance=54' 05581-7000 OGL 453 distance=54' 06123-7031 OGL 485 distance=55' 05576-7004 OGL 450 distance=58' 06150-7025 OGL 490 distance=58' 06152-7028 OGL 492 distance=61' 05567-7012 OGL 446 distance=65' 06097-7046 OGL 477 distance=66' 05587-6856 OGL 456 distance=67' 06033-7045 OGL 463 distance=69' 05565-7017 HDS 803 distance=69' 06039-7047 OGL 466 distance=69' 06164-7036 OGL 493 distance=71' 06115-7049 OGL 481 distance=71' 06054-6829 OGL 471 distance=73' 05590-7040 OGL 457 distance=75' 05574-6852 OGL 448 distance=75' 05546-7012 OGL 444 distance=75' 06053-7056 OGL 470 distance=76' 06038-7055 OGL 465 distance=77' 06102-7057 OGL 479 distance=77' 05529-6929 UC 1374 distance=79' 05524-6940 OGL 438 distance=81' 05544-7023 OGL 442 distance=81' 05580-6835 OGL 452 distance=85' 05521-6922 OGL 436 distance=85' 05516-6918 OGL 435 distance=89' 05510-6954 HJ 3820AB distance=89' 06004-6822 OGL 458 distance=89' 05576-6831 OGL 449 distance=90' 06188-7052 OGL 494 distance=91' 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 06078-6941 HJ 3844 AB 93 13.3 1
Show 06078-6941 HJ 3844 AC 136 33.9 1
Show 06079-6937 OGL 476 13 10.8 4
Show 06067-6933 OGL 472 99 7.3 11
Show 06094-6955 TDS 222 AB 121 1.3 17
Show 06077-6925 OGL 475 2 10.4 17
Show 06118-6927 OGL 484 99 2.1 25
Show 06046-6921 OGL 469 247 10.5 27
Show 06031-6953 TDS3521 65 1.3 28
Show 06008-6937 OGL 459 281 5.2 37
Show 06117-6909 OGL 483 175 5.9 39
Show 06013-7001 B 2597 279 7.1 39
Show 06017-7007 HDS 821 275 0.2 41
Show 06063-6900 NSN 271 224 11.5 42
Show 06043-7021 OGL 468 311 61.9 44
Show 06134-7017 OGL 487 60 3.1 46
Show 06024-6902 OGL 462 39 20.7 49
Show 06128-7023 OGL 486 204 2.5 50
Show 06075-7033 OGL 474 100 19.4 52
Show 06148-7020 OGL 489 69 2.2 54
Show 06116-7031 OGL 482 59 20.0 54
Show 05581-7000 OGL 453 23 0.8 54
Show 06123-7031 OGL 485 60 3.9 55
Show 05576-7004 OGL 450 239 3.6 58
Show 06150-7025 OGL 490 267 2.1 58
Show 06152-7028 OGL 492 288 26.7 61
Show 05567-7012 OGL 446 114 1.7 65
Show 06097-7046 OGL 477 231 0.9 66
Show 05587-6856 OGL 456 76 3.8 67
Show 06033-7045 OGL 463 230 1.2 69
Show 05565-7017 HDS 803 319 0.2 69
Show 06039-7047 OGL 466 250 2.8 69
Show 06164-7036 OGL 493 332 24.6 71
Show 06115-7049 OGL 481 181 8.1 71
Show 06054-6829 OGL 471 76 4.1 73
Show 05590-7040 OGL 457 49 1.0 75
Show 05574-6852 OGL 448 85 3.0 75
Show 05546-7012 OGL 444 35 4.0 75
Show 06053-7056 OGL 470 65 29.4 76
Show 06038-7055 OGL 465 115 1.1 77
Show 06102-7057 OGL 479 300 4.8 77
Show 05529-6929 UC 1374 112 26.6 79
Show 05524-6940 OGL 438 170 1.2 81
Show 05544-7023 OGL 442 316 83.1 81
Show 05580-6835 OGL 452 322 5.5 85
Show 05521-6922 OGL 436 144 1.7 85
Show 05516-6918 OGL 435 110 1.5 89
Show 05510-6954 HJ 3820 AB 83 26.8 89
Show 06004-6822 OGL 458 119 1.5 89
Show 05576-6831 OGL 449 173 2.1 90
Show 06188-7052 OGL 494 95 1.7 91

 
 
WDS 06078-6941 : COMPONENTS
 
 
  A B
B pa=98.0°
sep=4.64"
 
C pa=161.5°
sep=25.74"
pa=171.4°
sep=24.03"
 
 
06078-6941 A
 
 
Name HD 42990 Coord arcsec 2000 060750.63-694109.3 Mag 8.78 Spectral class G8/K0III (yellow)
PmRA -2.00 PmDE 19.0 Tycho2 9168-00601-1 HD 42990
DM CP-69 575
Tycho2
Tycho2 9168-00601-1 Pflag RAmdeg 91.96099180 DEmdeg -69.68594163
PmRA 4.1 PmDE 17.5 E RAmdeg 10 E DEmdeg 11
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.96 EpDEm 1989.50
Num 10 Q RAmdeg 1.6 Q DEmdeg 1.5 Q pmRA 1.7
Q pmDE 1.5 BTmag 9.963 E BTmag 0.025 VTmag 8.780
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 91.96096194 DEdeg -69.68598417 EpRA 1990 1.65
EpDE 1990 1.51 E RAdeg 9.6 E DEdeg 10.6 Posflg
Corr 0.1
 
 
06078-6941 B
 
 
Coord arcsec 2000 060751.51-694109.9 Mag 12.2 PmRA 5.00 PmDE 17.0
Calc delta mag 3.42 Calc coord yes
 
 
06078-6941 C
 
 
Coord arcsec 2000 060752.20-694133.7 Mag 11.32 PmRA 1.00 PmDE 21.0
Calc delta mag 2.54 Calc coord yes