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Doubles in session


Current system
23080-1304
HJ 3171
HD 218421


Nearby doubles
22' : 23071-1247
LDS6004

46' : 23050-1318
GWP3229

54' : 23090-1356
GWP3242

60' : 23120-1251
HJ 305

61' : 23122-1303
DAM1273

68' : 23126-1305
BRT2800

78' : 23029-1320
HDS3283AB

80' : 23054-1154
LDS6001

87' : 23138-1324
BU 181AB

89' : 23139-1241
GWP3257

90' : 23120-1156
STF2988

91' : 23042-1153
LDS2964

96' : 23086-1440
LDS2968

97' : 23045-1143
BRT2799

103' : 23117-1432
UC 4900

103' : 23048-1436
RST4117AB

105' : 23133-1414
LDS2973

107' : 23029-1420
TDT3857

112' : 23022-1152
TDT3848

116' : 23067-1452
HJ 5384

121' : 23157-1221
LDS2977

121' : 23096-1106
GWP3244

126' : 22596-1246
TOK 642

130' : 23142-1437
NSN 786

131' : 23093-1513
RST4120

135' : 23024-1119
STF2970



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.

23080-1304 HJ 3171 (HD 218421)

 
 
23h 08m 01.86s -13° 04' 20.4" P.A. 39.00 sep 23.5 mag 10.31,11.50 Sp A9/F2V:
 
 
Coord 2000 23080-1304 Discov num HJ 3171 Comp Coord arcsec 2000 23 08 01.86 -13 04 20.4
Date first 1831 Date last 2016 Obs 10
Pa first 42 Pa last 39.3 P.A. Now (θ) 39.3°
Sep first 20.0 Sep last 23.481 Sep. Now (ρ) 23.481"
Mag pri 10.31 Mag sec 11.50 delta mag (ΔM) 1.19 Spectral class A9/F2V: (white)
Pri motion ra +012 Sec motion ra +011
Pri motion dec -002 Sec motion dec -001
Notes
rPM=0.116 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 218421 Constellation Aquarius Tycho2 5826-00726-1 Gaia DR2 2411323596368089728
HD 218421
 
 
WDS 23080-1304 HJ 3171 (HD 218421) : 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
23080-1304 HJ 3171 1998 6 39 23.4 10.31 11.58 A9/F2V: D 230801.86-130420.4
23080-1304 HJ 3171 1999 7 40 23.5 10.31 11.58 A9/F2V: D 230801.86-130420.4
23080-1304 HJ 3171 2010 8 39 23.4 10.31 11.50 A9/F2V: 230801.86-130420.4
23080-1304 HJ 3171 2016 9 40 23.5 10.31 11.50 A9/F2V: 230801.86-130420.4

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

 
 
WDS 23080-1304 HJ 3171 (HD 218421) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 23080-1304 HJ 3171 (HD 218421) : MEASURES
 
 
No records found.

 
 
WDS 23080-1304 (HD 218421) : VIRTUAL EYEPIECE
 
 

23080-1304 HJ 3171A mag 10.31 Sp A9/F2V: 23080-1304 HJ 3171B sep 23.2 P.A. 38.60 mag 11.5 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 23080-1304 (HD 218421) : ALADIN DSS IMAGE @ 23h 08m 01.86s -13° 04' 20.4"
 
 
 
 
WDS 23080-1304 HJ 3171 (HD 218421) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

23080-1304 HJ 3171 distance=0' 23071-1247 LDS6004 distance=22' 23050-1318 GWP3229 distance=46' 23090-1356 GWP3242 distance=54' 23120-1251 HJ 305 distance=60' 23122-1303 DAM1273 distance=61' 23126-1305 BRT2800 distance=68' 23029-1320 HDS3283AB distance=78' 23054-1154 LDS6001 distance=80' 23138-1324 BU 181AB distance=87' 23138-1324 BU 181AC distance=87' 23139-1241 GWP3257 distance=89' 23120-1156 STF2988 distance=90' 23042-1153 LDS2964 distance=91' 23086-1440 LDS2968 distance=96' 23045-1143 BRT2799 distance=97' 23117-1432 UC 4900 distance=103' 23048-1436 RST4117AB distance=103' 23133-1414 LDS2973 distance=105' 23029-1420 TDT3857 distance=107' 23022-1152 TDT3848 distance=112' 23067-1452 HJ 5384 distance=116' 23157-1221 LDS2977 distance=121' 23096-1106 GWP3244 distance=121' 22596-1246 TOK 642 distance=126' 23142-1437 NSN 786 distance=130' 23093-1513 RST4120 distance=131' 23024-1119 STF2970 distance=135' 23027-1114 BU 481 distance=135' 23023-1116 ARN 80 distance=136' 23006-1426 RST4116 distance=136' 22597-1405 BRT2798 distance=136' 23136-1112 GWP3255 distance=139' 23171-1349 BU 182AB distance=141' 23171-1349 LDS6393AB,E distance=141' 23171-1349 BU 182AB,C distance=141' 23171-1349 BU 182AB,D distance=141' 23083-1525 TSN 207 distance=141' 23175-1339 WIS 380 distance=143' 23170-1404 BRT2802 distance=145' 23167-1158 BRT2801 distance=146' 23059-1527 RST4119 distance=147' 23054-1526 GWP3231 distance=147' 23118-1523 RST4122 distance=149' 23184-1346 GWP3272 distance=157' 23076-1024 LDS2967 distance=161' 23101-1545 RST4121 distance=163' 23191-1328 MCA 74Aa,Ab distance=164' 23191-1328 STF2998AB distance=164' 23032-1533 HJ 3160 distance=165' 23048-1543 RST4118 distance=166' 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 23080-1304 HJ 3171 39 23.5
Show 23071-1247 LDS6004 342 195.5 22
Show 23050-1318 GWP3229 86 26.1 46
Show 23090-1356 GWP3242 305 82.6 54
Show 23120-1251 HJ 305 104 8.8 60
Show 23122-1303 DAM1273 134 20.4 61
Show 23126-1305 BRT2800 172 2.4 68
Show 23029-1320 HDS3283 AB 273 0.1 78
Show 23054-1154 LDS6001 90 123.1 80
Show 23138-1324 BU 181 AB 310 1.5 87
Show 23138-1324 BU 181 AC 247 18.8 87
Show 23139-1241 GWP3257 142 20.7 89
Show 23120-1156 STF2988 97 3.5 90
Show 23042-1153 LDS2964 15 8.9 91
Show 23086-1440 LDS2968 123 20.4 96
Show 23045-1143 BRT2799 192 3.6 97
Show 23117-1432 UC 4900 30 27.5 103
Show 23048-1436 RST4117 AB 275 0.9 103
Show 23133-1414 LDS2973 350 5.0 105
Show 23029-1420 TDT3857 112 0.5 107
Show 23022-1152 TDT3848 230 0.7 112
Show 23067-1452 HJ 5384 195 29.8 116
Show 23157-1221 LDS2977 101 133.8 121
Show 23096-1106 GWP3244 211 18.9 121
Show 22596-1246 TOK 642 262 999.9 126
Show 23142-1437 NSN 786 112 4.9 130
Show 23093-1513 RST4120 267 1.4 131
Show 23024-1119 STF2970 38 8.5 135
Show 23027-1114 BU 481 58 1.8 135
Show 23023-1116 ARN 80 270 79.0 136
Show 23006-1426 RST4116 319 2.6 136
Show 22597-1405 BRT2798 228 2.9 136
Show 23136-1112 GWP3255 125 77.2 139
Show 23171-1349 BU 182 AB 228 0.7 141
Show 23171-1349 LDS6393 AB,E 52 18.4 141
Show 23171-1349 BU 182 AB,C 41 177.3 141
Show 23171-1349 BU 182 AB,D 102 87.3 141
Show 23083-1525 TSN 207 103 0.0 141
Show 23175-1339 WIS 380 14 395.4 143
Show 23170-1404 BRT2802 104 3.1 145
Show 23167-1158 BRT2801 234 2.7 146
Show 23059-1527 RST4119 210 1.9 147
Show 23054-1526 GWP3231 23 29.5 147
Show 23118-1523 RST4122 271 0.2 149
Show 23184-1346 GWP3272 74 84.8 157
Show 23076-1024 LDS2967 266 101.1 161
Show 23101-1545 RST4121 17 1.2 163
Show 23191-1328 MCA 74 Aa,Ab 356 0.2 164
Show 23191-1328 STF2998 AB 352 12.1 164
Show 23032-1533 HJ 3160 47 10.7 165
Show 23048-1543 RST4118 192 2.4 166

 
 
WDS 23080-1304 : COMPONENTS
 
 
  A
B pa=38.6°
sep=23.24"
 
 
23080-1304 A
 
 
Componente originario normalizzato AB Name HD 218421 Coord arcsec 2000 230801.86-130420.4 Mag 10.31
Spectral class A9/F2V: (white) PmRA 12.00 PmDE -2.0 Tycho2 5826-00726-1
HD 218421 DM BD-13 6345
Tycho2
Tycho2 5826-00726-1 Pflag RAmdeg 347.00776441 DEmdeg -13.07233471
PmRA 12.0 PmDE 0.7 E RAmdeg 29 E DEmdeg 40
E pmRA 1.7 E pmDE 1.7 EpRAm 1988.83 EpDEm 1985.09
Num 3 Q RAmdeg 0.7 Q DEmdeg 2.2 Q pmRA 0.6
Q pmDE 2.2 BTmag 10.708 E BTmag 0.058 VTmag 10.314
E VTmag 0.056 Prox 239 TYC T HIP
CCDM RAdeg 347.00773667 DEdeg -13.07233639 EpRA 1990 1.90
EpDE 1990 1.60 E RAdeg 29.4 E DEdeg 42.3 Posflg
Corr 0.2
CCDM
Ccdm 23080-1304 RComp Comp A Note1
Note2 Discov num DRAs 1.87 DDEs -20.2
R dRAs 66 Year Theta Rho
Obs 2 Vmag 10.3 Sp F8 PmNote
PmRA PmDE Dm number -13 6345 Cat1 BD
Name2 Cat2 HD 218421 M HD
ADS BDS B12174 M ADS BDS N IDS IDS 23028S1337A
HIC
 
 
23080-1304 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 230802.85-130402.2 Mag 11.5 PmRA 11.00
PmDE -1.0 Tycho2 5826-01091-1 Calc delta mag 1.19 Calc coord yes
Tycho2
Tycho2 5826-01091-1 Pflag RAmdeg 347.01226679 DEmdeg -13.06732990
PmRA 17.4 PmDE -2.7 E RAmdeg 66 E DEmdeg 90
E pmRA 2.0 E pmDE 2.2 EpRAm 1978.04 EpDEm 1965.10
Num 3 Q RAmdeg 2.1 Q DEmdeg 1.4 Q pmRA 2.2
Q pmDE 1.4 BTmag 11.825 E BTmag 0.126 VTmag 11.582
E VTmag 0.175 Prox 239 TYC HIP
CCDM RAdeg 347.01222667 DEdeg -13.06732333 EpRA 1990 1.85
EpDE 1990 1.54 E RAdeg 71.9 E DEdeg 106.5 Posflg
Corr 0.2
CCDM
Ccdm 23080-1304 RComp Comp B Note1
Note2 Discov num HJ 3171 DRAs 2.89 DDEs -2.5
R dRAs 66 Year 1910 Theta 040 Rho 23.6
Obs 1 Vmag 11.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B12174 M ADS BDS N IDS IDS 23028S1337B
HIC