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Current system
20189+1113
HJ 1498


Nearby doubles
15' : 20186+1100
STF2662

19' : 20201+1109
A 1206

24' : 20202+1128
HDS2906

43' : 20166+1138
BPM2084

43' : 20203+1036
TOR 23

48' : 20221+1117
BPM2131

51' : 20210+1033
TOR 24

52' : 20198+1203
J 837

55' : 20210+1028
J 838

62' : 20153+1145
BPM2078

64' : 20151+1143
J 604

66' : 20146+1116
J 1296

67' : 20189+1006
GRV 328

70' : 20195+1223
BPM2111

71' : 20228+1156
BPM2135

72' : 20236+1059
GWP2943

73' : 20176+1224
BPM2090

75' : 20239+1107
BPM2142

77' : 20203+1227
DAM 212

78' : 20242+1113
ENG 74AB

78' : 20205+1226
HJ 1502

85' : 20142+1202
HJ 1494

86' : 20157+1003
J 135

86' : 20148+1214
BPM2073

87' : 20133+1047
A 1202

87' : 20131+1130
HEI 583



Selections
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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.

20189+1113 HJ 1498

 
 
20h 18m 53.72s +11° 13' 21.0" P.A. 218.00 sep 17.4 mag 11.81,12.80
 
 
Coord 2000 20189+1113 Discov num HJ 1498 Comp Coord arcsec 2000 20 18 53.72 +11 13 21.0
Date first 1828 Date last 2015 Obs 13
Pa first 209 Pa last 218.2 P.A. Now (θ) 218.2°
Sep first 10.0 Sep last 17.424 Sep. Now (ρ) 17.424"
Mag pri 11.81 Mag sec 12.80 delta mag (ΔM) 0.99 Spectral class
Pri motion ra +015 Sec motion ra -010
Pri motion dec +003 Sec motion dec -010
Notes
rPM=1.842
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Delphinus Tycho2 1078-00649-1 Gaia DR2 1802077778150908288 HD 357242
 
 
WDS 20189+1113 HJ 1498 : 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
20189+1113 HJ 1498 2000 6 218 17.1 11.81 12.80 D 201853.72+111321.0
20189+1113 HJ 1498 2001 8 218 17.1 11.81 12.80 D 201853.72+111321.0
20189+1113 HJ 1498 2010 9 218 17.2 11.81 12.80 201853.72+111321.0
20189+1113 HJ 1498 2015 10 218 17.4 11.81 12.80 201853.72+111321.0

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

 
 
WDS 20189+1113 HJ 1498 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20189+1113 HJ 1498 : MEASURES
 
 
No records found.

 
 
WDS 20189+1113 : VIRTUAL EYEPIECE
 
 

20189+1113 HJ 1498A mag 11.81 20189+1113 HJ 1498B sep 17.3 P.A. 217.70 mag 12.8 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 20189+1113 : ALADIN DSS IMAGE @ 20h 18m 53.72s +11° 13' 21.0"
 
 
 
 
WDS 20189+1113 HJ 1498 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20189+1113 HJ 1498 distance=0' 20186+1100 STF2662 distance=15' 20201+1109 A 1206 distance=19' 20202+1128 HDS2906 distance=24' 20166+1138 BPM2084 distance=43' 20203+1036 TOR 23 distance=43' 20221+1117 BPM2131 distance=48' 20210+1033 TOR 24 distance=51' 20198+1203 J 837 distance=52' 20210+1028 J 838 distance=55' 20153+1145 BPM2078 distance=62' 20151+1143 J 604 distance=64' 20146+1116 J 1296 distance=66' 20189+1006 GRV 328 distance=67' 20195+1223 BPM2111 distance=70' 20228+1156 BPM2135 distance=71' 20236+1059 GWP2943 distance=72' 20176+1224 BPM2090 distance=73' 20239+1107 BPM2142 distance=75' 20203+1227 DAM 212 distance=77' 20242+1113 ENG 74AB distance=78' 20242+1113 ENG 74AC distance=78' 20205+1226 HJ 1502 distance=78' 20242+1113 ENG 74BC distance=79' 20142+1202 HJ 1494 distance=85' 20157+1003 J 135 distance=86' 20148+1214 BPM2073 distance=86' 20133+1047 A 1202 distance=87' 20131+1130 HEI 583 distance=87' 20249+1124 J 840 distance=88' 20221+0959 TDT2210 distance=89' 20250+1108 BPM2146 distance=90' 20157+0957 J 1234 distance=90' 20224+0959 TDS1065 distance=91' 20207+0946 GRV 332 distance=91' 20151+1000 GWP2931 distance=93' 20136+1205 BPM2063 distance=93' 20125+1122 AG 402 distance=95' 20130+1029 J 549 distance=98' 20131+1026 LDS1037 distance=98' 20141+1222 BPM2069 distance=99' 20239+1217 GRV 337 distance=99' 20207+1249 HU 1196AB distance=100' 20207+1249 HU 1196AC distance=100' 20232+0957 TDT2229 distance=100' 20138+1220 RAO 429 distance=101' 20244+1213 WOR 33Aa,Ab distance=101' 20244+1213 A 1209AB distance=101' 20150+1239 BPM2076 distance=103' 20130+1211 BPM2060 distance=104' 20118+1117 BPM2053 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 20189+1113 HJ 1498 218 17.4
Show 20186+1100 STF2662 42 2.0 15
Show 20201+1109 A 1206 269 3.2 19
Show 20202+1128 HDS2906 319 0.6 24
Show 20166+1138 BPM2084 198 88.2 43
Show 20203+1036 TOR 23 236 8.2 43
Show 20221+1117 BPM2131 352 23.0 48
Show 20210+1033 TOR 24 229 1.7 51
Show 20198+1203 J 837 296 2.0 52
Show 20210+1028 J 838 119 6.9 55
Show 20153+1145 BPM2078 109 18.7 62
Show 20151+1143 J 604 235 0.6 64
Show 20146+1116 J 1296 237 3.3 66
Show 20189+1006 GRV 328 59 23.2 67
Show 20195+1223 BPM2111 249 101.1 70
Show 20228+1156 BPM2135 218 90.0 71
Show 20236+1059 GWP2943 132 13.2 72
Show 20176+1224 BPM2090 282 69.4 73
Show 20239+1107 BPM2142 53 34.9 75
Show 20203+1227 DAM 212 154 8.9 77
Show 20242+1113 ENG 74 AB 73 67.8 78
Show 20242+1113 ENG 74 AC 97 160.4 78
Show 20205+1226 HJ 1502 320 12.1 78
Show 20242+1113 ENG 74 BC 112 102.0 79
Show 20142+1202 HJ 1494 1 10.1 85
Show 20157+1003 J 135 323 3.6 86
Show 20148+1214 BPM2073 245 106.1 86
Show 20133+1047 A 1202 125 0.8 87
Show 20131+1130 HEI 583 109 3.9 87
Show 20249+1124 J 840 52 3.7 88
Show 20221+0959 TDT2210 69 0.5 89
Show 20250+1108 BPM2146 49 87.4 90
Show 20157+0957 J 1234 43 4.4 90
Show 20224+0959 TDS1065 22 1.3 91
Show 20207+0946 GRV 332 282 23.1 91
Show 20151+1000 GWP2931 50 29.0 93
Show 20136+1205 BPM2063 105 87.6 93
Show 20125+1122 AG 402 261 20.0 95
Show 20130+1029 J 549 298 6.1 98
Show 20131+1026 LDS1037 249 7.6 98
Show 20141+1222 BPM2069 9 43.8 99
Show 20239+1217 GRV 337 170 62.5 99
Show 20207+1249 HU 1196 AB 322 0.4 100
Show 20207+1249 HU 1196 AC 304 3.3 100
Show 20232+0957 TDT2229 227 1.2 100
Show 20138+1220 RAO 429 88 2.4 101
Show 20244+1213 WOR 33 Aa,Ab 131 0.6 101
Show 20244+1213 A 1209 AB 324 1.9 101
Show 20150+1239 BPM2076 297 116.3 103
Show 20130+1211 BPM2060 216 37.8 104
Show 20118+1117 BPM2053 167 63.6 105

 
 
WDS 20189+1113 : COMPONENTS
 
 
  A
B pa=217.7°
sep=17.30"
 
 
20189+1113 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 201853.72+111321.0 Mag 11.81 PmRA 15.00
PmDE 3.0 Tycho2 1078-00649-1 HD 357242
Tycho2
Tycho2 1078-00649-1 Pflag RAmdeg 304.72388321 DEmdeg 11.22251324
PmRA 13.7 PmDE 2.8 E RAmdeg 60 E DEmdeg 68
E pmRA 2.1 E pmDE 2.1 EpRAm 1980.14 EpDEm 1975.30
Num 4 Q RAmdeg 0.6 Q DEmdeg 0.5 Q pmRA 0.6
Q pmDE 0.5 BTmag 12.482 E BTmag 0.170 VTmag 11.815
E VTmag 0.139 Prox 999 TYC HIP
CCDM RAdeg 304.72385111 DEdeg 11.22250694 EpRA 1990 1.75
EpDE 1990 1.63 E RAdeg 65.1 E DEdeg 76.2 Posflg
Corr -0.3
 
 
20189+1113 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201853.00+111307.3 Mag 12.8 PmRA -10.00
PmDE -10.0 Calc delta mag 0.99 Calc coord yes