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Current system
18334+0341
HJ 861


Nearby doubles
13' : 18342+0341
ABT9001

29' : 18344+0405
TDT 940

45' : 18337+0426
GWP2786

54' : 18301+0404
STF2322AB

55' : 18305+0416
A 583

64' : 18307+0431
STTA170

68' : 18375+0313
ARY 15

70' : 18291+0408
A 581AB

70' : 18379+0352
KPP 421

72' : 18357+0239
TDT 950

75' : 18295+0253
BAL1967AB

78' : 18284+0407
J 521

79' : 18382+0410
TDT 968

79' : 18360+0234
STN 43

80' : 18360+0452
J 2138

83' : 18280+0400
BAL2494

83' : 18356+0456
BU 643AB

83' : 18278+0344
ARY 58

86' : 18379+0432
BAL2932

89' : 18380+0248
LDS5240

89' : 18374+0238
BU 1327

90' : 18365+0457
HJ 864

94' : 18357+0507
GRV 234

94' : 18393+0315
BAL2498AB

94' : 18322+0514
GWP2781

95' : 18272+0404
FAR 20



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.

18334+0341 HJ 861

 
 
18h 33m 19.50s +03° 41' 28.4" P.A. 179.00 sep 20.0 mag 11.01,12.26
 
 
Coord 2000 18334+0341 Discov num HJ  861 Comp Coord arcsec 2000 18 33 19.50 +03 41 28.4
Date first 1908 Date last 2015 Obs 17
Pa first 176 Pa last 178.5 P.A. Now (θ) 178.5°
Sep first 17.6 Sep last 19.955 Sep. Now (ρ) 19.955"
Mag pri 11.01 Mag sec 12.26 delta mag (ΔM) 1.25 Spectral class
Pri motion ra +004 Sec motion ra -001
Pri motion dec -006 Sec motion dec -032
Notes
rPM=0.827
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Serpens Tycho2 0450-00671-1 Gaia DR2 4283350131018826368
 
 
WDS 18334+0341 HJ 861 : 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
18334+0341 HJ 861 2000 10 178 19.6 11.01 12.10 D 183319.50+034128.4
18334+0341 HJ 861 2014 11 178 19.9 11.01 12.26 183319.50+034128.4
18334+0341 HJ 861 2015 13 178 19.9 11.01 12.26 183319.50+034128.4

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

 
 
WDS 18334+0341 HJ 861 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18334+0341 HJ 861 : MEASURES
 
 
No records found.

 
 
WDS 18334+0341 : VIRTUAL EYEPIECE
 
 

18334+0341 HJ 861A mag 11.01 18334+0341 HJ 861B sep 19.9 P.A. 178.50 mag 12.26 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 18334+0341 : ALADIN DSS IMAGE @ 18h 33m 19.50s +03° 41' 28.4"
 
 
 
 
WDS 18334+0341 HJ 861 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18334+0341 HJ 861 distance=1' 18342+0341 ABT9001 distance=13' 18344+0405 TDT 940 distance=29' 18337+0426 GWP2786 distance=45' 18301+0404 CHR 72Aa,Ab distance=54' 18301+0404 STF2322AB distance=54' 18301+0404 STF2322AC distance=54' 18301+0404 STF2322AD distance=54' 18305+0416 A 583 distance=55' 18307+0431 STTA170 distance=64' 18375+0313 ARY 15 distance=68' 18291+0408 A 581AB distance=70' 18291+0408 A 581AB,C distance=70' 18379+0352 KPP 421 distance=70' 18357+0239 TDT 950 distance=72' 18295+0253 BAL1967AB distance=75' 18284+0407 J 521 distance=78' 18382+0410 TDT 968 distance=79' 18360+0234 STN 43 distance=79' 18360+0452 J 2138 distance=80' 18280+0400 BAL2494 distance=83' 18356+0456 BU 643AB distance=83' 18356+0456 STF2342AC distance=83' 18356+0456 FOX9031AD distance=83' 18278+0344 ARY 58 distance=83' 18379+0432 BAL2932 distance=86' 18380+0248 LDS5240 distance=89' 18374+0238 BU 1327 distance=89' 18365+0457 HJ 864 distance=90' 18357+0507 GRV 234 distance=94' 18393+0315 BAL2498AB distance=94' 18393+0315 BAL2498AC distance=94' 18322+0514 GWP2781 distance=94' 18272+0404 FAR 20 distance=95' 18360+0506 A 354 distance=95' 18379+0451 LDS5241 distance=99' 18286+0451 STTA168AB distance=100' 18286+0451 STTA168AC distance=100' 18286+0451 SLE 179AD distance=100' 18286+0451 SLE 179AE distance=100' 18286+0451 SLE 179AF distance=100' 18267+0337 BAL2493 distance=100' 18270+0258 LDS5864 distance=103' 18401+0321 AG 224 distance=104' 18388+0446 RAO 395 distance=105' 18363+0516 A 355 distance=105' 18387+0451 STT 360 distance=107' 18341+0530 J 1833 distance=108' 18327+0504 BAL3014AB distance=109' 18327+0504 BAL3014BC distance=109' 18385+0504 BAL2933 distance=113' 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 18334+0341 HJ 861 179 20.0 1
Show 18342+0341 ABT9001 339 20.0 13
Show 18344+0405 TDT 940 340 0.4 29
Show 18337+0426 GWP2786 211 213.7 45
Show 18301+0404 CHR 72 Aa,Ab 285 0.1 54
Show 18301+0404 STF2322 AB 172 19.8 54
Show 18301+0404 STF2322 AC 295 67.2 54
Show 18301+0404 STF2322 AD 197 85.3 54
Show 18305+0416 A 583 265 0.2 55
Show 18307+0431 STTA170 5 100.0 64
Show 18375+0313 ARY 15 142 153.6 68
Show 18291+0408 A 581 AB 140 0.4 70
Show 18291+0408 A 581 AB,C 227 10.2 70
Show 18379+0352 KPP 421 99 3.9 70
Show 18357+0239 TDT 950 262 0.5 72
Show 18295+0253 BAL1967 AB 134 8.2 75
Show 18284+0407 J 521 304 5.3 78
Show 18382+0410 TDT 968 35 0.4 79
Show 18360+0234 STN 43 28 10.1 79
Show 18360+0452 J 2138 140 5.2 80
Show 18280+0400 BAL2494 72 20.2 83
Show 18356+0456 BU 643 AB 325 13.7 83
Show 18356+0456 STF2342 AC 33.6 83
Show 18356+0456 FOX9031 AD 323 35.3 83
Show 18278+0344 ARY 58 109 88.4 83
Show 18379+0432 BAL2932 297 18.3 86
Show 18380+0248 LDS5240 6 3.3 89
Show 18374+0238 BU 1327 174 13.6 89
Show 18365+0457 HJ 864 326 19.6 90
Show 18357+0507 GRV 234 359 33.6 94
Show 18393+0315 BAL2498 AB 64 6.6 94
Show 18393+0315 BAL2498 AC 109 14.8 94
Show 18322+0514 GWP2781 267 114.8 94
Show 18272+0404 FAR 20 126 60.3 95
Show 18360+0506 A 354 9 4.6 95
Show 18379+0451 LDS5241 329 29.8 99
Show 18286+0451 STTA168 AB 161 47.2 100
Show 18286+0451 STTA168 AC 217 244.2 100
Show 18286+0451 SLE 179 AD 210 251.7 100
Show 18286+0451 SLE 179 AE 226 304.1 100
Show 18286+0451 SLE 179 AF 233 288.5 100
Show 18267+0337 BAL2493 95 18.1 100
Show 18270+0258 LDS5864 43 67.4 103
Show 18401+0321 AG 224 348 22.1 104
Show 18388+0446 RAO 395 153 0.4 105
Show 18363+0516 A 355 143 1.3 105
Show 18387+0451 STT 360 282 1.7 107
Show 18341+0530 J 1833 35 6.9 108
Show 18327+0504 BAL3014 AB 56 22.2 109
Show 18327+0504 BAL3014 BC 34 9.5 109
Show 18385+0504 BAL2933 235 19.3 113

 
 
WDS 18334+0341 : COMPONENTS
 
 
  A
B pa=178.5°
sep=19.95"
 
 
18334+0341 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 183319.50+034128.4 Mag 11.01 PmRA 4.00
PmDE -6.0 Tycho2 0450-00671-1
Tycho2
Tycho2 0450-00671-1 Pflag RAmdeg 278.33127064 DEmdeg 3.69124360
PmRA 5.2 PmDE -6.6 E RAmdeg 25 E DEmdeg 32
E pmRA 1.6 E pmDE 1.6 EpRAm 1986.99 EpDEm 1985.47
Num 4 Q RAmdeg 1.0 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.5 BTmag 11.607 E BTmag 0.051 VTmag 11.014
E VTmag 0.052 Prox 999 TYC T HIP
CCDM RAdeg 278.33126278 DEdeg 3.69125972 EpRA 1990 1.83
EpDE 1990 1.74 E RAdeg 28.5 E DEdeg 35.2 Posflg
Corr -0.3
 
 
18334+0341 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183319.53+034108.5 Mag 12.26 PmRA -1.00
PmDE -32.0 Calc delta mag 1.25 Calc coord yes