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Doubles in session


Current system
18426+3937
HJ 1341


Nearby doubles
21' : 18443+3940
STF2382AB

21' : 18433+3918
BLL 35

26' : 18418+4001
LSC 83

36' : 18457+3942
BU 51AB

38' : 18452+3914
STF2392AB

39' : 18397+3955
TDT 981

42' : 18453+4005
ROE 50AB

44' : 18436+4020
SLE 122

49' : 18465+3958
LDS4799

52' : 18453+3856
COU1608

53' : 18381+3935
BU 50AB

57' : 18404+4028
SLE 92

63' : 18478+3954
GRV 240

64' : 18481+3929
COU1609

65' : 18466+3853
ES 2021AB

67' : 18397+4035
AG 225AB

67' : 18379+4014
ES 1655

69' : 18483+3956
SLW1221

69' : 18370+4001
WSP 153AB

74' : 18385+3837
SLE 230AB

74' : 18480+3858
ES 2572

76' : 18432+3822
HDS2651

77' : 18365+4008
SLE 95

78' : 18389+4042
A 586

78' : 18483+4018
UC 3676

78' : 18490+3914
COU1610



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.

18426+3937 HJ 1341

 
 
18h 42m 37.56s +39° 37' 16.9" P.A. 285.00 sep 8.8 mag 11.33,11.80
 
 
Coord 2000 18426+3937 Discov num HJ 1341 Comp Coord arcsec 2000 18 42 37.56 +39 37 16.9
Date first 1828 Date last 2015 Obs 15
Pa first 285 Pa last 285.4 P.A. Now (θ) 285.4°
Sep first 10.0 Sep last 8.775 Sep. Now (ρ) 8.775"
Mag pri 11.33 Mag sec 11.80 delta mag (ΔM) 0.47 Spectral class
Pri motion ra +006 Sec motion ra +002
Pri motion dec +006 Sec motion dec +006
Notes
rPM=0.471
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Gaia DR2 2098398979333834624
 
 
WDS 18426+3937 HJ 1341 : 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
18426+3937 HJ 1341 1982 5 285 8.9 11.39 11.80 184237.41+393534.3
18426+3937 HJ 1341 2012 7 286 8.8 11.39 11.80 184237.41+393534.3
18426+3937 HJ 1341 2015 11 285 8.8 11.33 11.80 184237.56+393716.9

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

 
 
WDS 18426+3937 HJ 1341 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18426+3937 HJ 1341 : MEASURES
 
 
No records found.

 
 
WDS 18426+3937 : VIRTUAL EYEPIECE
 
 

18426+3937 HJ 1341A mag 11.33 18426+3937 HJ 1341B sep 6.9 P.A. 289.70 mag 11.8 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 18426+3937 : ALADIN DSS IMAGE @ 18h 42m 37.56s +39° 37' 16.9"
 
 
 
 
WDS 18426+3937 HJ 1341 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18426+3937 HJ 1341 distance=0' 18443+3940 SHJ 277GH distance=20' 18443+3940 SHJ 277EF distance=20' 18443+3940 SHJ 277EG distance=20' 18443+3940 STFA 37EI distance=20' 18443+3940 STFA 37BC distance=20' 18443+3940 STFA 37BD distance=20' 18443+3940 STFA 37BI distance=20' 18443+3940 STF2382AB distance=21' 18443+3940 STFA 37AB,CD (Double Double) distance=21' 18443+3940 STFA 37AD distance=21' 18443+3940 STFA 37AI distance=21' 18443+3940 CHR 77Ca,Cb distance=21' 18443+3940 SHJ 277CD,F distance=21' 18443+3940 SHJ 277CD,G distance=21' 18443+3940 SHJ 277CD,H distance=21' 18443+3940 STF2383CD distance=21' 18443+3940 STF2383CE distance=21' 18443+3940 STFA 37CI distance=21' 18443+3940 STFA 37DI distance=21' 18433+3918 BLL 35 distance=21' 18418+4001 LSC 83 distance=26' 18457+3942 FYM 51BD distance=36' 18457+3942 BU 51BC distance=36' 18457+3942 BU 51AB distance=36' 18452+3914 STF2392BC distance=38' 18452+3914 STF2392AB distance=38' 18452+3914 STF2392AC distance=38' 18397+3955 TDT 981 distance=39' 18453+4005 ROE 50AB distance=42' 18453+4005 ROE 50AC distance=42' 18453+4005 ROE 50AD distance=42' 18453+4005 ROE 50AE distance=42' 18453+4005 BKO 53AG distance=42' 18453+4005 BKO 53AH distance=42' 18453+4005 ROE 50AF distance=42' 18453+4005 ROE 50CF distance=42' 18436+4020 SLE 122 distance=44' 18465+3958 LDS4799 distance=49' 18453+3856 COU1608 distance=52' 18381+3935 BU 50AB distance=53' 18381+3935 BU 50AC distance=53' 18381+3935 BU 50AD distance=53' 18381+3935 BU 50CD distance=53' 18404+4028 SLE 92 distance=57' 18478+3954 GRV 240 distance=63' 18481+3929 COU1609 distance=64' 18466+3853 ES 2021BC distance=65' 18466+3853 ES 2021AB distance=65' 18466+3853 ES 2021AC distance=65' 18397+4035 AG 225AB distance=67' 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 18426+3937 HJ 1341 285 8.8
Show 18443+3940 SHJ 277 GH 358 35.8 20
Show 18443+3940 SHJ 277 EF 37 45.4 20
Show 18443+3940 SHJ 277 EG 236 50.0 20
Show 18443+3940 STFA 37 EI 68 108.9 20
Show 18443+3940 STFA 37 BC 172 210.9 20
Show 18443+3940 STFA 37 BD 171 212.5 20
Show 18443+3940 STFA 37 BI 137 151.3 20
Show 18443+3940 STF2382 AB 345 2.2 21
Show Double Double 18443+3940 STFA 37 AB,CD 172 209.4 21
Show 18443+3940 STFA 37 AD 172 208.2 21
Show 18443+3940 STFA 37 AI 137 150.4 21
Show 18443+3940 CHR 77 Ca,Cb 225 0.1 21
Show 18443+3940 SHJ 277 CD,F 93.3 21
Show 18443+3940 SHJ 277 CD,G 293 75.1 21
Show 18443+3940 SHJ 277 CD,H 313 95.7 21
Show 18443+3940 STF2383 CD 75 2.3 21
Show 18443+3940 STF2383 CE 334 63.2 21
Show 18443+3940 STFA 37 CI 37 120.4 21
Show 18443+3940 STFA 37 DI 37 121.6 21
Show 18433+3918 BLL 35 192 60.8 21
Show 18418+4001 LSC 83 266 0.1 26
Show 18457+3942 FYM 51 BD 344 34.6 36
Show 18457+3942 BU 51 BC 297 6.0 36
Show 18457+3942 BU 51 AB 185 74.2 36
Show 18452+3914 STF2392 BC 169 26.2 38
Show 18452+3914 STF2392 AB 314 2.8 38
Show 18452+3914 STF2392 AC 173 23.8 38
Show 18397+3955 TDT 981 129 0.5 39
Show 18453+4005 ROE 50 AB 282 4.7 42
Show 18453+4005 ROE 50 AC 120 26.2 42
Show 18453+4005 ROE 50 AD 253 96.6 42
Show 18453+4005 ROE 50 AE 196 93.6 42
Show 18453+4005 BKO 53 AG 156 51.7 42
Show 18453+4005 BKO 53 AH 301 35.7 42
Show 18453+4005 ROE 50 AF 114 35.7 42
Show 18453+4005 ROE 50 CF 99 9.9 42
Show 18436+4020 SLE 122 151 17.9 44
Show 18465+3958 LDS4799 70 10.3 49
Show 18453+3856 COU1608 230 1.1 52
Show 18381+3935 BU 50 AB 3 22.2 53
Show 18381+3935 BU 50 AC 328 74.3 53
Show 18381+3935 BU 50 AD 327 68.1 53
Show 18381+3935 BU 50 CD 165 6.5 53
Show 18404+4028 SLE 92 99 15.9 57
Show 18478+3954 GRV 240 43 15.6 63
Show 18481+3929 COU1609 202 0.8 64
Show 18466+3853 ES 2021 BC 298 3.8 65
Show 18466+3853 ES 2021 AB 254 20.2 65
Show 18466+3853 ES 2021 AC 261 23.1 65
Show 18397+4035 AG 225 AB 354 6.6 67

 
 
WDS 18426+3937 : COMPONENTS
 
 
  A
B pa=289.7°
sep=6.92"
 
 
18426+3937 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184237.56+393716.9 Mag 11.33 PmRA 6.00
PmDE 6.0
CCDM
Ccdm 18426+3937 RComp Comp A Note1
Note2 Discov num DRAs 0.75 DDEs 18.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 +39 1828 Cat2 AGK2/3 HD M HD
ADS BDS B 8760 M ADS BDS N IDS IDS 18393N3931A
HIC
 
 
18426+3937 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184237.00+393719.2 Mag 11.8 PmRA 2.00
PmDE 6.0 Calc delta mag 0.47 Calc coord yes
CCDM
Ccdm 18426+3937 RComp Comp B Note1
Note2 Discov num HJ 1341 DRAs 1.40 DDEs 16.9
R dRAs 10 Year 1900 Theta 285 Rho 9.5
Obs 2 Vmag 12.8 Sp PmNote *
PmRA -11 PmDE 7 Dm number Cat1
Name2 +39 1829 Cat2 AGK2/3 HD M HD
ADS BDS B 8760 M ADS BDS N IDS IDS 18393N3931B
HIC