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Current system
18230+2742
HJ 1322
HD 335975


Nearby doubles
18' : 18233+2731
HO 83

27' : 18235+2810
JOD 15

27' : 18238+2808
GRV1261

28' : 18220+2812
UC 3562

29' : 18208+2732
BU 640

38' : 18242+2818
A 244

39' : 18250+2724
STF2315AB

39' : 18212+2820
STF2312

41' : 18253+2805
HO 85AB

43' : 18249+2817
RAO 391

52' : 18191+2808
HJ 1318

56' : 18185+2749
COU1008

58' : 18257+2828
TDT 858

58' : 18265+2721
BU 264

60' : 18271+2754
TDS 921

63' : 18251+2654
AG 361

63' : 18227+2849
UC 3566

70' : 18259+2652
UC 3578

71' : 18257+2649
DAM1237

74' : 18223+2633
TDT 819

74' : 18270+2832
MLB 648

76' : 18265+2842
HJ 1324

79' : 18257+2639
COU 815

80' : 18190+2643
TDT 792

80' : 18173+2825
GRV 232

80' : 18169+2718
MIL 4



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.

18230+2742 HJ 1322 (HD 335975)

 
 
18h 22m 37.96s +27° 46' 33.4" P.A. 239.00 sep 21.8 mag 10.51,11.94 Sp K0
 
 
Coord 2000 18230+2742 Discov num HJ 1322 Comp Coord arcsec 2000 18 22 37.96 +27 46 33.4
Date first 1828 Date last 2015 Obs 17
Pa first 248 Pa last 239.1 P.A. Now (θ) 239.1°
Sep first 13.5 Sep last 21.839 Sep. Now (ρ) 21.839"
Mag pri 10.51 Mag sec 11.94 delta mag (ΔM) 1.43 Spectral class K0 (yellow-orange)
Pri motion ra +012 Sec motion ra -005
Pri motion dec +016 Sec motion dec -004
Notes
rPM=1.312
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 335975 Constellation Hercules Tycho2 2101-00741-1 Gaia DR2 4586383270876290944
HD 335975
 
 
WDS 18230+2742 HJ 1322 (HD 335975) : 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
18230+2742 HJ 1322 1998 8 240 21.4 10.51 11.94 K0 D 182237.96+274633.4
18230+2742 HJ 1322 2008 9 239 21.8 10.51 11.94 K0 D 182237.96+274633.4
18230+2742 HJ 1322 2014 11 239 21.7 10.51 11.94 K0 182237.96+274633.4
18230+2742 HJ 1322 2015 13 239 21.8 10.51 11.94 K0 182237.96+274633.4

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

 
 
WDS 18230+2742 HJ 1322 (HD 335975) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18230+2742 HJ 1322 (HD 335975) : MEASURES
 
 
No records found.

 
 
WDS 18230+2742 (HD 335975) : VIRTUAL EYEPIECE
 
 

18230+2742 HJ 1322A mag 10.51 Sp K0 18230+2742 HJ 1322B sep 20.0 P.A. 235.90 mag 11.94 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 18230+2742 (HD 335975) : ALADIN DSS IMAGE @ 18h 22m 37.96s +27° 46' 33.4"
 
 
 
 
WDS 18230+2742 HJ 1322 (HD 335975) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18230+2742 HJ 1322 distance=0' 18233+2731 HO 83 distance=18' 18235+2810 JOD 15 distance=27' 18238+2808 GRV1261 distance=27' 18220+2812 UC 3562 distance=28' 18208+2732 BU 640 distance=29' 18250+2724 HO 84DE distance=37' 18242+2818 A 244 distance=38' 18250+2724 STF2315AB distance=39' 18250+2724 STF2315AC distance=39' 18250+2724 BU 9009AD distance=39' 18212+2820 STF2312 distance=39' 18253+2805 HDS2604Aa,Ab distance=41' 18253+2805 HO 85AB distance=41' 18249+2817 RAO 391 distance=43' 18191+2808 HJ 1318 distance=52' 18185+2749 COU1008 distance=56' 18257+2828 TDT 858 distance=58' 18265+2721 BU 264 distance=58' 18271+2754 TDS 921 distance=60' 18251+2654 AG 361 distance=63' 18227+2849 UC 3566 distance=63' 18259+2652 UC 3578 distance=70' 18257+2649 DAM1237 distance=71' 18223+2633 TDT 819 distance=74' 18270+2832 MLB 648 distance=74' 18265+2842 HJ 1324 distance=76' 18257+2639 COU 815 distance=79' 18190+2643 TDT 792 distance=80' 18173+2825 GRV 232 distance=80' 18169+2718 MIL 4 distance=80' 18265+2645 TDT 870 distance=80' 18176+2659 HJ 1317 distance=82' 18280+2708 ES 475 distance=82' 18173+2832 LDS4782 distance=84' 18280+2837 COU 638 distance=88' 18280+2655 TDT 893 distance=88' 18224+2617 NSN 704 distance=90' 18177+2642 TDT 779 distance=92' 18178+2640 LEP 88 distance=93' 18273+2856 HO 433 distance=93' 18267+2627 GUI 21DE distance=95' 18267+2627 BU 1326AB distance=97' 18267+2627 BU 1326AC distance=97' 18267+2627 GUI 21AD distance=97' 18169+2647 A 240 distance=97' 18172+2640 A 241 distance=99' 18298+2818 UC 3594 distance=100' 18165+2848 KPP4098 distance=102' 18215+2603 A 243 distance=105' 18306+2805 ES 476AB distance=108' 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 18230+2742 HJ 1322 239 21.8
Show 18233+2731 HO 83 115 0.8 18
Show 18235+2810 JOD 15 176 1.2 27
Show 18238+2808 GRV1261 16 2.2 27
Show 18220+2812 UC 3562 313 15.6 28
Show 18208+2732 BU 640 322 0.7 29
Show 18250+2724 HO 84 DE 322 4.4 37
Show 18242+2818 A 244 268 0.6 38
Show 18250+2724 STF2315 AB 117 0.6 39
Show 18250+2724 STF2315 AC 79 44.9 39
Show 18250+2724 BU 9009 AD 290 118.0 39
Show 18212+2820 STF2312 341 1.7 39
Show 18253+2805 HDS2604 Aa,Ab 212 0.7 41
Show 18253+2805 HO 85 AB 196 4.9 41
Show 18249+2817 RAO 391 313 0.1 43
Show 18191+2808 HJ 1318 140 10.0 52
Show 18185+2749 COU1008 92 2.0 56
Show 18257+2828 TDT 858 57 0.4 58
Show 18265+2721 BU 264 8.0 58
Show 18271+2754 TDS 921 315 0.9 60
Show 18251+2654 AG 361 13 3.8 63
Show 18227+2849 UC 3566 180 32.0 63
Show 18259+2652 UC 3578 185 4.5 70
Show 18257+2649 DAM1237 10 10.6 71
Show 18223+2633 TDT 819 216 0.6 74
Show 18270+2832 MLB 648 22 10.1 74
Show 18265+2842 HJ 1324 14 5.6 76
Show 18257+2639 COU 815 144 1.6 79
Show 18190+2643 TDT 792 213 0.8 80
Show 18173+2825 GRV 232 170 16.7 80
Show 18169+2718 MIL 4 130 16.6 80
Show 18265+2645 TDT 870 73 0.9 80
Show 18176+2659 HJ 1317 141 14.7 82
Show 18280+2708 ES 475 223 10.7 82
Show 18173+2832 LDS4782 61 48.1 84
Show 18280+2837 COU 638 136 3.3 88
Show 18280+2655 TDT 893 344 0.5 88
Show 18224+2617 NSN 704 142 4.0 90
Show 18177+2642 TDT 779 169 0.5 92
Show 18178+2640 LEP 88 241 39.8 93
Show 18273+2856 HO 433 328 9.8 93
Show 18267+2627 GUI 21 DE 345 22.9 95
Show 18267+2627 BU 1326 AB 107 5.5 97
Show 18267+2627 BU 1326 AC 60 61.8 97
Show 18267+2627 GUI 21 AD 285 162.8 97
Show 18169+2647 A 240 349 2.4 97
Show 18172+2640 A 241 288 0.7 99
Show 18298+2818 UC 3594 71 13.4 100
Show 18165+2848 KPP4098 265 2.0 102
Show 18215+2603 A 243 69 2.2 105
Show 18306+2805 ES 476 AB 347 2.8 108

 
 
WDS 18230+2742 : COMPONENTS
 
 
  A
B pa=235.9°
sep=20.02"
 
 
18230+2742 A
 
 
Componente originario normalizzato AB Name HD 335975 Coord arcsec 2000 182237.96+274633.4 Mag 10.51
Spectral class K0 (yellow-orange) PmRA 12.00 PmDE 16.0 Tycho2 2101-00741-1
HD 335975
Tycho2
Tycho2 2101-00741-1 Pflag RAmdeg 275.65817916 DEmdeg 27.77593848
PmRA 12.9 PmDE 13.4 E RAmdeg 26 E DEmdeg 24
E pmRA 2.2 E pmDE 2.2 EpRAm 1988.04 EpDEm 1988.29
Num 4 Q RAmdeg 0.3 Q DEmdeg 1.0 Q pmRA 0.3
Q pmDE 1.0 BTmag 11.626 E BTmag 0.062 VTmag 10.511
E VTmag 0.037 Prox 212 TYC T HIP
CCDM RAdeg 275.65814611 DEdeg 27.77590194 EpRA 1990 1.57
EpDE 1990 1.70 E RAdeg 31.4 E DEdeg 28.8 Posflg
Corr 0.0
 
 
18230+2742 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 182236.71+274622.2 Mag 11.94 PmRA -5.00
PmDE -4.0 Tycho2 2101-00979-1 Calc delta mag 1.43 Calc coord yes
Tycho2
Tycho2 2101-00979-1 Pflag RAmdeg 275.65236242 DEmdeg 27.77295393
PmRA -4.1 PmDE -2.2 E RAmdeg 68 E DEmdeg 61
E pmRA 2.6 E pmDE 2.5 EpRAm 1983.16 EpDEm 1984.71
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.2 BTmag 12.305 E BTmag 0.140 VTmag 11.937
E VTmag 0.146 Prox 212 TYC HIP
CCDM RAdeg 275.65237333 DEdeg 27.77295889 EpRA 1990 1.55
EpDE 1990 1.70 E RAdeg 71.0 E DEdeg 63.4 Posflg
Corr 0.0