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Doubles in session


Current system
18425+3231
HJ 1340


Nearby doubles
29' : 18447+3237
LDS4797

42' : 18457+3218
SEI 574

42' : 18432+3150
UC 3654

44' : 18392+3242
SEI 567

45' : 18418+3314
KU 119

46' : 18461+3242
SEI 575

52' : 18437+3141
A 253

55' : 18414+3323
TDT 997

56' : 18427+3326
UC 3651

56' : 18466+3210
HU 935

59' : 18469+3254
KPP4121

59' : 18405+3139
HO 437AB

63' : 18409+3132
HJ 1337

64' : 18378+3249
LDS4792

66' : 18476+3248
COU1154

67' : 18473+3302
TDS 945

74' : 18462+3328
COU1152

75' : 18475+3149
BRT 262

76' : 18371+3201
SLE 220

82' : 18364+3209
SLE 219

88' : 18464+3116
HJ 1345

88' : 18458+3113
SLE 120

89' : 18472+3125
STF2397

90' : 18493+3301
ES 2287

91' : 18497+3223
J 131

92' : 18355+3215
CRB 127



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.

18425+3231 HJ 1340

 
 
18h 42m 35.67s +32° 30' 52.1" P.A. 79.00 sep 15.4 mag 10.23,12.60
 
 
Coord 2000 18425+3231 Discov num HJ 1340 Comp Coord arcsec 2000 18 42 35.67 +32 30 52.1
Date first 1828 Date last 2015 Obs 11
Pa first 90 Pa last 79.1 P.A. Now (θ) 79.1°
Sep first 7.0 Sep last 15.38 Sep. Now (ρ) 15.38"
Mag pri 10.23 Mag sec 12.60 delta mag (ΔM) 2.37 Spectral class
Pri motion ra -014 Sec motion ra +004
Pri motion dec -010 Sec motion dec +003
Notes
rPM=1.291
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra Tycho2 2641-01813-1 Gaia DR2 2090952158879516928
 
 
WDS 18425+3231 HJ 1340 : 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
18425+3231 HJ 1340 1998 3 80 15.1 10.23 12.60 D 184235.67+323052.1
18425+3231 HJ 1340 2002 5 80 15.2 10.23 12.60 D 184235.67+323052.1
18425+3231 HJ 1340 2010 6 80 14.5 10.23 12.60 184235.67+323052.1
18425+3231 HJ 1340 2015 7 79 15.4 10.23 12.60 184235.67+323052.1

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

 
 
WDS 18425+3231 HJ 1340 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18425+3231 HJ 1340 : MEASURES
 
 
No records found.

 
 
WDS 18425+3231 : VIRTUAL EYEPIECE
 
 

18425+3231 HJ 1340A mag 10.23 18425+3231 HJ 1340B sep 13.1 P.A. 77.10 mag 12.6 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 18425+3231 : ALADIN DSS IMAGE @ 18h 42m 35.67s +32° 30' 52.1"
 
 
 
 
WDS 18425+3231 HJ 1340 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18425+3231 HJ 1340 distance=0' 18447+3237 LDS4797 distance=29' 18457+3218 SEI 574 distance=42' 18432+3150 UC 3654 distance=42' 18392+3242 SEI 567 distance=44' 18418+3314 KU 119 distance=45' 18461+3242 SEI 575 distance=46' 18437+3141 A 253 distance=52' 18414+3323 TDT 997 distance=55' 18427+3326 UC 3651 distance=56' 18466+3210 HU 935 distance=56' 18469+3254 KPP4121 distance=59' 18405+3139 HO 437AB distance=59' 18405+3139 HO 437AC distance=59' 18405+3139 HO 437AE distance=59' 18405+3139 HO 437CD distance=59' 18409+3132 HJ 1337 distance=63' 18378+3249 LDS4792 distance=64' 18476+3248 COU1154 distance=66' 18473+3302 TDS 945 distance=67' 18462+3328 COU1152 distance=74' 18475+3149 BRT 262 distance=75' 18371+3201 SLE 220 distance=76' 18364+3209 SLE 219 distance=82' 18464+3116 HJ 1345 distance=88' 18458+3113 SLE 120 distance=88' 18472+3125 STF2397 distance=89' 18493+3301 ES 2287 distance=90' 18497+3223 J 131 distance=91' 18355+3215 CRB 127 distance=92' 18488+3319 HJ 1349AB distance=93' 18445+3400 STTA172 distance=93' 18499+3233 HO 440 distance=93' 18498+3249 H 5 40AB distance=93' 18498+3249 H 5 40AC distance=93' 18498+3249 WAL 95AE distance=93' 18498+3249 WAL 95AF distance=93' 18498+3249 H 5 40CD distance=94' 18366+3328 STF2349AB distance=95' 18366+3328 WAL 92AC distance=95' 18488+3136 LDS1015 distance=97' 18486+3132 TDT1063AB distance=97' 18486+3132 TDT1063AC distance=97' 18389+3106 SLE 113 distance=98' 18377+3346 TDT 963 distance=98' 18495+3316 STF2407 distance=99' 18494+3324 J 765 distance=100' 18375+3112 A 250 distance=103' 18351+3151 UC 3620 distance=104' 18501+3149 A 256 distance=104' 18356+3136 SLE 217 distance=105' 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 18425+3231 HJ 1340 79 15.4
Show 18447+3237 LDS4797 28 47.5 29
Show 18457+3218 SEI 574 263 18.7 42
Show 18432+3150 UC 3654 195 30.0 42
Show 18392+3242 SEI 567 353 13.0 44
Show 18418+3314 KU 119 86 20.6 45
Show 18461+3242 SEI 575 263 28.6 46
Show 18437+3141 A 253 132 0.7 52
Show 18414+3323 TDT 997 139 0.6 55
Show 18427+3326 UC 3651 218 10.7 56
Show 18466+3210 HU 935 153 3.1 56
Show 18469+3254 KPP4121 75 6.5 59
Show 18405+3139 HO 437 AB 140 0.3 59
Show 18405+3139 HO 437 AC 272 39.9 59
Show 18405+3139 HO 437 AE 288 22.1 59
Show 18405+3139 HO 437 CD 347 4.5 59
Show 18409+3132 HJ 1337 151 9.4 63
Show 18378+3249 LDS4792 45 3.7 64
Show 18476+3248 COU1154 57 0.6 66
Show 18473+3302 TDS 945 318 1.5 67
Show 18462+3328 COU1152 259 1.7 74
Show 18475+3149 BRT 262 342 4.8 75
Show 18371+3201 SLE 220 238 18.3 76
Show 18364+3209 SLE 219 246 11.2 82
Show 18464+3116 HJ 1345 169 11.7 88
Show 18458+3113 SLE 120 115 6.9 88
Show 18472+3125 STF2397 269 3.9 89
Show 18493+3301 ES 2287 292 3.8 90
Show 18497+3223 J 131 179 2.7 91
Show 18355+3215 CRB 127 31 10.9 92
Show 18488+3319 HJ 1349 AB 93 29.9 93
Show 18445+3400 STTA172 5 64.9 93
Show 18499+3233 HO 440 175 18.4 93
Show 18498+3249 H 5 40 AB 76 33.7 93
Show 18498+3249 H 5 40 AC 120 57.5 93
Show 18498+3249 WAL 95 AE 350 80.0 93
Show 18498+3249 WAL 95 AF 349 70.5 93
Show 18498+3249 H 5 40 CD 212 18.5 94
Show 18366+3328 STF2349 AB 204 7.2 95
Show 18366+3328 WAL 92 AC 314 32.9 95
Show 18488+3136 LDS1015 301 110.3 97
Show 18486+3132 TDT1063 AB 106 0.1 97
Show 18486+3132 TDT1063 AC 142 1.1 97
Show 18389+3106 SLE 113 125 11.0 98
Show 18377+3346 TDT 963 148 1.2 98
Show 18495+3316 STF2407 207 30.0 99
Show 18494+3324 J 765 333 2.3 100
Show 18375+3112 A 250 114 2.4 103
Show 18351+3151 UC 3620 264 14.5 104
Show 18501+3149 A 256 60 2.9 104
Show 18356+3136 SLE 217 246 13.9 105

 
 
WDS 18425+3231 : COMPONENTS
 
 
  A
B pa=77.1°
sep=13.06"
 
 
18425+3231 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 184235.67+323052.1 Mag 10.23 PmRA -14.00
PmDE -10.0 Tycho2 2641-01813-1
Tycho2
Tycho2 2641-01813-1 Pflag RAmdeg 280.64866362 DEmdeg 32.51448000
PmRA -13.5 PmDE -11.1 E RAmdeg 29 E DEmdeg 27
E pmRA 2.3 E pmDE 2.2 EpRAm 1988.66 EpDEm 1988.70
Num 5 Q RAmdeg 0.9 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.0 BTmag 12.226 E BTmag 0.133 VTmag 10.235
E VTmag 0.034 Prox 999 TYC T HIP
CCDM RAdeg 280.64869750 DEdeg 32.51450972 EpRA 1990 1.49
EpDE 1990 1.62 E RAdeg 31.0 E DEdeg 29.1 Posflg
Corr 0.1
 
 
18425+3231 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184236.68+323055.0 Mag 12.6 PmRA 4.00
PmDE 3.0 Calc delta mag 2.37 Calc coord yes