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Doubles in session


Current system
02342-3131
HDS 337 Aa,Ab


Nearby doubles
4' : 02342-3134
LDS5387

30' : 02363-3120
KPP3495

52' : 02370-3056
RST2283

59' : 02296-3124
TDS2267

72' : 02287-3114
TOK 73

79' : 02369-3241
NSN 239

83' : 02404-3154
WIS 70

86' : 02304-3021
HJ 3504

96' : 02338-2956
WIS 68

96' : 02383-3012
UC 766

102' : 02374-3305
HDS 341

102' : 02271-3219
TDS2257

108' : 02371-2951
LDS3405

123' : 02276-3301
SKF1274

128' : 02439-3104
DAW 34

131' : 02240-3114
PRO 8

131' : 02275-2953
RST1239

132' : 02438-3219
TVB 37

145' : 02233-3214
UC 730

148' : 02227-3149
TDS2234

152' : 02273-2929
BRG 12

153' : 02442-3010
TOI 264

157' : 02345-3408
B 675

157' : 02248-2952
BU 739

158' : 02280-3349
SHY 140

160' : 02398-3354
LDS3413



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.

02342-3131 HDS 337 Aa,Ab

 
 
02h 34m 10.54s -31° 31' 25.6" P.A. 299.00 sep 0.1 mag 8.08,8.90 Sp A9V dist. 101.94 pc (332.53 l.y.)
 
 
Coord 2000 02342-3131 Discov num HDS 337 Comp Aa,Ab Coord arcsec 2000 02 34 10.54 -31 31 25.6
Date first 1991 Date last 2021 Obs 2
Pa first 290 Pa last 298.6 P.A. Now (θ) 298.6°
Sep first 0.2 Sep last 0.145 Sep. Now (ρ) 0.145"
Mag pri 8.08 Mag sec 8.90 delta mag (ΔM) 0.82 Spectral class A9V (white)
Pri motion ra -021 Sec motion ra
Pri motion dec -031 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
02342-3131 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 193774 02 34 11 -31 31 26 HDS 337 Aa,Ab 2021 2 299 0.1 8.08 8.90 0.82 <===
Show HD 16087 193774 02 34 11 -31 31 26 HJ 3509 AB 2017 11 59 23.2 7.63 11.34 3.71
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Fornax SAO 193774 HIP 11950 Tycho2 7010-00892-1
Gaia DR2 5064048711530926720 HD 16087 CD CD-32 934 CP CP-32 271
Distance 101.94 Distance ly 332.53
 
 
WDS 02342-3131 HDS 337 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
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
02342-3131 HDS 337 Aa,Ab 1991 1 290 0.2 8.08 8.90 A9V 023410.54-313125.6
02342-3131 HDS 337 Aa,Ab 2021 2 299 0.1 8.08 8.90 A9V 023410.54-313125.6

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

 
 
WDS 02342-3131 HDS 337 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02342-3131 HDS 337 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 02342-3131 : VIRTUAL EYEPIECE
 
 

02342-3131 HJ 3509A mag 7.63 Sp A9V 02342-3131 HDS 337Ab sep 0.1 P.A. 302.60 mag 8.9 02342-3131 HJ 3509B sep 20.8 P.A. 54.60 mag 11.34 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 02342-3131 : ALADIN DSS IMAGE @ 02h 34m 10.54s -31° 31' 25.6"
 
 
 
 
WDS 02342-3131 HDS 337 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02342-3131 HDS 337Aa,Ab distance=0' 02342-3134 LDS5387 distance=4' 02363-3120 KPP3495 distance=30' 02370-3056 RST2283 distance=52' 02296-3124 TDS2267 distance=59' 02287-3114 TOK 73 distance=72' 02369-3241 NSN 239 distance=79' 02404-3154 WIS 70 distance=83' 02304-3021 HJ 3504 distance=86' 02338-2956 WIS 68 distance=96' 02383-3012 UC 766 distance=96' 02374-3305 HDS 341 distance=102' 02271-3219 TDS2257 distance=102' 02371-2951 LDS3405 distance=108' 02276-3301 SKF1274 distance=123' 02439-3104 DAW 34 distance=128' 02240-3114 PRO 8 distance=131' 02275-2953 RST1239 distance=131' 02438-3219 TVB 37 distance=132' 02233-3214 UC 730 distance=145' 02227-3149 TDS2234 distance=148' 02273-2929 BRG 12 distance=152' 02442-3010 TOI 264 distance=153' 02345-3408 B 675 distance=157' 02248-2952 BU 739 distance=157' 02280-3349 SHY 140 distance=158' 02398-3354 LDS3413 distance=160' 02218-3108 PRO 7 distance=160' 02456-3243 TVB 38 distance=162' 02225-3241 TDS2231 distance=164' 02366-3413 TDS2299 distance=165' 02469-3218 HJ 3529 distance=169' 02466-3232 TOK 817 distance=169' 02366-3419 DAM1295 distance=171' 02328-3421 LDS9133 distance=172' 02232-2952 BU 738 distance=173' 02410-2903 TDS2333 distance=174' 02416-3358 SHN 74 distance=174' 02250-3339 JSP 39 distance=175' 02267-2906 HDS 320 distance=176' 02294-3420 UC 745 distance=179' 02482-3128 PRO 10 distance=180' 02480-3206 PRO 9 distance=180' 02477-3229 TDS2363 distance=182' 02359-2830 SWR 4 distance=183' 02199-3154 BVD 24 distance=185' 02408-3418 SHN 72 distance=187' 02370-3435 MUG 12 distance=187' 02418-3412 KPP3499 distance=188' 02255-3403 HDS 316 distance=188' 02198-3211 KPP 84 distance=188' 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 02342-3131 HDS 337 Aa,Ab 299 0.1
Show 02342-3131 HJ 3509 AB 59 23.2
Show 02342-3134 LDS5387 92 357.9 4
Show 02363-3120 KPP3495 343 1.4 30
Show 02370-3056 RST2283 329 0.2 52
Show 02296-3124 TDS2267 336 0.4 59
Show 02287-3114 TOK 73 348 4.1 72
Show 02369-3241 NSN 239 199 16.0 79
Show 02404-3154 WIS 70 106 456.8 83
Show 02304-3021 HJ 3504 268 6.5 86
Show 02338-2956 WIS 68 257 118.0 96
Show 02383-3012 UC 766 6 81.8 96
Show 02374-3305 HDS 341 41 0.9 102
Show 02271-3219 TDS2257 138 0.5 102
Show 02371-2951 LDS3405 305 11.5 108
Show 02276-3301 SKF1274 55 10.3 123
Show 02439-3104 DAW 34 42 1.9 128
Show 02240-3114 PRO 8 233 4.5 131
Show 02275-2953 RST1239 167 2.0 131
Show 02438-3219 TVB 37 351 4.5 132
Show 02233-3214 UC 730 90 5.8 145
Show 02227-3149 TDS2234 212 0.5 148
Show 02273-2929 BRG 12 237 1.9 152
Show 02442-3010 TOI 264 332 0.6 153
Show 02345-3408 B 675 22 0.6 157
Show 02248-2952 BU 739 258 1.8 157
Show 02280-3349 SHY 140 218 391.1 158
Show 02398-3354 LDS3413 116 31.7 160
Show 02218-3108 PRO 7 197 10.3 160
Show 02456-3243 TVB 38 134 7.1 162
Show 02225-3241 TDS2231 57 0.5 164
Show 02366-3413 TDS2299 296 0.8 165
Show 02469-3218 HJ 3529 133 17.9 169
Show 02466-3232 TOK 817 82 1.3 169
Show 02366-3419 DAM1295 68 3.4 171
Show 02328-3421 LDS9133 130 11.2 172
Show 02232-2952 BU 738 212 2.0 173
Show 02410-2903 TDS2333 357 0.5 174
Show 02416-3358 SHN 74 -1 0.4 174
Show 02250-3339 JSP 39 80 2.8 175
Show 02267-2906 HDS 320 226 0.3 176
Show 02294-3420 UC 745 336 37.4 179
Show 02482-3128 PRO 10 207 7.2 180
Show 02480-3206 PRO 9 4.5 180
Show 02477-3229 TDS2363 322 0.7 182
Show 02359-2830 SWR 4 55 6.1 183
Show 02199-3154 BVD 24 129 114.3 185
Show 02408-3418 SHN 72 180 1.0 187
Show 02370-3435 MUG 12 79 45.0 187
Show 02418-3412 KPP3499 228 3.7 188
Show 02255-3403 HDS 316 354 0.3 188

 
 
WDS 02342-3131 : COMPONENTS
 
 
  A Ab
Ab pa=302.6°
sep=0.13"
 
B pa=54.6°
sep=20.77"
pa=54.9°
sep=20.82"
 
 
02342-3131 A
 
 
Name HD 16087 Coord arcsec 2000 023410.54-313125.6 Mag 7.63 Spectral class A9V (white)
PmRA -21.00 PmDE -31.0 SAO 193774 HIP 11950
Tycho2 7010-00892-1 HD 16087 CD CD-32 934 CP CP-32 271
Tycho2
Tycho2 7010-00892-1 Pflag RAmdeg 38.54387549 DEmdeg -31.52384197
PmRA -18.7 PmDE -30.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.18 EpDEm 1991.18
Num 12 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 7.995 E BTmag 0.016 VTmag 7.630
E VTmag 0.011 Prox 212 TYC T HIP 11950
CCDM AC RAdeg 38.54392639 DEdeg -31.52377028 EpRA 1990 1.62
EpDE 1990 1.61 E RAdeg 4.7 E DEdeg 4.5 Posflg P
Corr 0.1
SAO
SAO 193774 DelFlag RA1950 PmRA1950 -0.0027
DE1950 PmDE1950 -0.053 Vmag 7.6 SpType F0
Double code Source 40 CatNum 911 DM CD-32 934
DMcomp BDsup HD 16087 M HD 0
GC RA1950rad 0.66339357 DE1950rad -0.55400565 PmRA2000 -0.0024
PmDE2000 -0.057
Hipparcos
Catalog H HIP 11950 Proxy H RAhms 02 34 10.54
DEdms -31 31 25.6 Vmag 7.6 VarFlag R Vmag G
RAdeg 38.5439 DEdeg -31.5238 AstroRef * Plx 8.03
CCDM 02342-3131 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AC
Theta 290 Rho 0.151 HD 16087 BD
CD CD-32 934 CP CP-32 271 Dm number -32 934 VIred 0.42
SpType A9V R SpType Coord arcsec 2000 023410.54-313125.6
Hipparcos 2
HIP 11950 Sn 55 So 3 Nc 2
RArad 0.6727185125 DErad -0.5501935349 Plx 9.81 PmRA -20.59
PmDE -31.63 E RArad 0.57 E DErad 0.58 E Plx 0.92
E pmRA 0.87 E pmDE 0.77 Hpmag 7.6646 E Hpmag 0.0015
SHp 0.015 VA 0 BV 0.36 E BV 0.015
VI 0.42
CCDM
Ccdm 02342-3131 RComp Comp A Note1
Note2 Discov num DRAs -1.46 DDEs -25.9
R dRAs 82 Year Theta Rho
Obs 3 Vmag 8.1 Sp F0 PmNote *
PmRA -21 PmDE -30 Dm number -32 934 Cat1 CD
Name2 193774 Cat2 SAO HD 16087 M HD
ADS BDS M ADS BDS N IDS IDS 02299S3158A
HIC 11950
 
 
02342-3131 Ab
 
 
Coord arcsec 2000 023410.53-313125.5 Mag 8.9 Calc delta mag 0.82 Calc coord yes
 
 
02342-3131 B
 
 
Coord arcsec 2000 023411.86-313113.6 Mag 11.34 PmRA -16.00 PmDE -26.0
Calc delta mag 3.26 Calc coord yes
CCDM
Ccdm 02342-3131 RComp Comp B Note1
Note2 Discov num HJ 3509 DRAs DDEs
R dRAs Year 1918 Theta 059 Rho 23.5
Obs 1 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 02299S3158B
HIC