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Doubles in session


Current system
21452-3139
DAW 230 AB


Nearby doubles
32' : 21466-3206
UC 4558

56' : 21477-3054
FIN 330AB

62' : 21405-3127
DAW 155

68' : 21408-3102
HJ 3045

73' : 21509-3151
LDS4915

83' : 21449-3302
I 1051

85' : 21481-3023
RST2187

101' : 21528-3112
LDS5932

101' : 21530-3119
RST2188

111' : 21393-3018
SEE 451

112' : 21538-3114
LDS5934

122' : 21368-3043
VOU 35AB

126' : 21420-2940
HDS3090

127' : 21551-3148
I 1449

136' : 21368-3303
SKF2100

137' : 21363-3026
B 532

139' : 21487-3351
RSS 564

141' : 21553-3045
HJ 5304

142' : 21511-2938
LDS5929AB

143' : 21463-3401
RSS 563

144' : 21349-3044
UC 4501

145' : 21560-3055
HJ 5307AB

146' : 21352-3033
HJ 5280

147' : 21567-3123
B 1014

148' : 21341-3221
HJ 5279

151' : 21395-2928
HJ 5285



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.

21452-3139 DAW 230 AB

 
 
21h 45m 13.48s -31° 39' 10.3" P.A. 106.00 sep 13.1 mag 9.40,14.80 Sp G1/2V dist. 169.2 pc (551.93 l.y.)
 
 
Coord 2000 21452-3139 Discov num DAW 230 Comp AB Coord arcsec 2000 21 45 13.48 -31 39 10.3
Date first 1918 Date last 2015 Obs 4
Pa first 119 Pa last 105.5 P.A. Now (θ) 105.5°
Sep first 14.6 Sep last 13.075 Sep. Now (ρ) 13.075"
Mag pri 9.40 Mag sec 14.80 delta mag (ΔM) 5.4 Spectral class G1/2V (yellow)
Pri motion ra -035 Sec motion ra -033
Pri motion dec -045 Sec motion dec -037
Notes
rPM=0.145 (< 0.3, Physical double)
This double is physical.
 
 
21452-3139 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 213260 21 45 13 -31 39 10 DAW 230 AB 2015 4 106 13.1 9.40 14.80 5.40 <===
Show 213260 21 45 13 -31 39 10 HJ 5293 AC 2016 7 250 19.0 9.40 13.60 4.20
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Piscis Austrinus SAO 213260 HIP 107399 Tycho2 7487-01552-1
Gaia DR2 6592839601826826240 HD 206785 CD CD-3216727 Distance 169.2
Distance ly 551.93
 
 
WDS 21452-3139 DAW 230 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Daw1918a Ma - Dawson, B.H. .
Daw1918a Pub. La Plata Obs. 4, Pt.1, 1918
Daw1918b Ma - Dawson, B.H. (measure by Chaves, A.J.) .
Daw1918b Pub. La Plata Obs. 4, Pt.1, 1918
Daw1919 orb - Dawson, B.H. 1919AJ.....32..109D
Daw1919 AJ 32, 109, 1919
Daw1920 orb - Dawson, B.H. 1920AJ.....32..141D
Daw1920 AJ 32, 141, 1920
Daw1920b orb - Dawson, B.H. 1920AJ.....32..161D
Daw1920b AJ 32, 161, 1920
Daw1922 Ma - Dawson, B.H. .
Daw1922 Pub. La Plata Obs. 4, Pt.2, 1922
Daw1922b orb - Dawson, B.H. 1922AJ.....34...17D
Daw1922b AJ 34, 17, 1922
Daw1924a Ma - Dawson, B.H. 1924AJ.....35..147D
Daw1924a AJ 35, 147, 1924 (DAW 112 - 158; data also in Daw1937)
Daw1924b orb - Dawson, B.H. 1924AJ.....36...23D
Daw1924b AJ 36, 23, 1924
Daw1926 orb - Dawson, B.H. 1926AJ.....36..181D
Daw1926 AJ 36, 181, 1926
Daw1927A Ma - Dawson, B.H. 1927sdsc.book......
Daw1927A cited in SDS (Southern Double Star Cat.), 1927
Daw1933 orb - Dawson, B.H. 1933AJ.....43...15D
Daw1933 AJ 43, 15, 1933
Daw1937 Ma - Dawson, B.H. .
Daw1937 Pub. La Plata Obs. 6, 85, 1937
Daw9999 Ma - Dawson, B.H. ...................
Daw9999 Unpublished, manuscript or reference not found.
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
21452-3139 DAW 230 AB 1998 2 108 13.4 9.40 14.80 G1/2V D 214513.48-313910.3
21452-3139 DAW 230 AB 1999 3 109 13.3 9.40 14.80 G1/2V D 214513.48-313910.3
21452-3139 DAW 230 AB 2015 4 106 13.1 9.40 14.80 G1/2V 214513.48-313910.3

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

 
 
WDS 21452-3139 DAW 230 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21452-3139 DAW 230 AB : MEASURES
 
 
No records found.

 
 
WDS 21452-3139 : VIRTUAL EYEPIECE
 
 

21452-3139 DAW 230A mag 9.4 Sp G1/2V 21452-3139 DAW 230B sep 11.3 P.A. 108.00 mag 14.8 21452-3139 HJ 5293C sep 16.5 P.A. 246.30 mag 13.6 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 21452-3139 : ALADIN DSS IMAGE @ 21h 45m 13.48s -31° 39' 10.3"
 
 
 
 
WDS 21452-3139 DAW 230 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21452-3139 DAW 230AB distance=0' 21466-3206 UC 4558 distance=32' 21477-3054 FIN 330AB distance=56' 21477-3054 HJ 5296AB,C distance=56' 21405-3127 DAW 155 distance=62' 21408-3102 HJ 3045 distance=68' 21509-3151 LDS4915 distance=73' 21449-3302 I 1051 distance=83' 21481-3023 RST2187 distance=85' 21528-3112 LDS5932 distance=101' 21530-3119 RST2188 distance=101' 21393-3018 SEE 451 distance=111' 21538-3114 LDS5934 distance=112' 21368-3043 VOU 35AB distance=122' 21368-3043 TOK 386AC distance=122' 21420-2940 HDS3090 distance=126' 21551-3148 I 1449 distance=127' 21368-3303 SKF2100 distance=136' 21363-3026 B 532 distance=137' 21487-3351 RSS 564 distance=139' 21553-3045 HJ 5304 distance=141' 21511-2938 LDS5929AB distance=142' 21511-2938 LDS5929Aa,Ab distance=142' 21463-3401 RSS 563 distance=143' 21349-3044 UC 4501 distance=144' 21560-3055 HJ 5307AB distance=145' 21560-3055 HJ 5307BC distance=145' 21352-3033 HJ 5280 distance=146' 21567-3123 B 1014 distance=147' 21341-3221 HJ 5279 distance=148' 21395-2928 HJ 5285 distance=151' 21369-3330 SEE 450 distance=153' 21332-3147 HJ 3034 distance=154' 21449-3416 B 1012 distance=158' 21540-3334 LDS4919 distance=160' 21389-2921 KPP4239 distance=161' 21575-3105 PRO 234 distance=162' 21558-3313 TSN 200 distance=164' 21342-3013 LDS5925 distance=165' 21581-3150 LDS5939 distance=166' 21583-3207 RST2190 distance=169' 21314-3146 SKF2099 distance=177' 21490-3431 TSN 100 distance=179' 21328-3017 JSP 826 distance=180' 21589-3227 LDS4929 distance=180' 21593-3110 BRT3104 distance=184' 21514-2853 LDS5930 distance=184' 21528-2903 UC 4587 distance=185' 21307-3057 RSS 561AB distance=191' 21307-3057 TOK 636AC distance=191' 21590-3258 UC 4620 distance=192' 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 21452-3139 DAW 230 AB 106 13.1
Show 21452-3139 HJ 5293 AC 250 19.0
Show 21466-3206 UC 4558 251 18.4 32
Show 21477-3054 FIN 330 AB 347 0.1 56
Show 21477-3054 HJ 5296 AB,C 343 32.1 56
Show 21405-3127 DAW 155 45 2.1 62
Show 21408-3102 HJ 3045 253 34.6 68
Show 21509-3151 LDS4915 126 3.1 73
Show 21449-3302 I 1051 290 20.0 83
Show 21481-3023 RST2187 107 2.0 85
Show 21528-3112 LDS5932 173 167.0 101
Show 21530-3119 RST2188 1 1.8 101
Show 21393-3018 SEE 451 256 12.2 111
Show 21538-3114 LDS5934 69 70.2 112
Show 21368-3043 VOU 35 AB 307 0.1 122
Show 21368-3043 TOK 386 AC 6 0.5 122
Show 21420-2940 HDS3090 350 0.1 126
Show 21551-3148 I 1449 268 0.3 127
Show 21368-3303 SKF2100 53 162.1 136
Show 21363-3026 B 532 290 0.6 137
Show 21487-3351 RSS 564 172 57.9 139
Show 21553-3045 HJ 5304 255 9.2 141
Show 21511-2938 LDS5929 AB 128 54.7 142
Show 21511-2938 LDS5929 Aa,Ab 326 1.1 142
Show 21463-3401 RSS 563 322 10.7 143
Show 21349-3044 UC 4501 42 58.5 144
Show 21560-3055 HJ 5307 AB 160 32.6 145
Show 21560-3055 HJ 5307 BC 161 26.2 145
Show 21352-3033 HJ 5280 305 9.5 146
Show 21567-3123 B 1014 139 2.6 147
Show 21341-3221 HJ 5279 290 11.5 148
Show 21395-2928 HJ 5285 290 10.0 151
Show 21369-3330 SEE 450 252 11.2 153
Show 21332-3147 HJ 3034 259 36.0 154
Show 21449-3416 B 1012 234 4.1 158
Show 21540-3334 LDS4919 118 36.2 160
Show 21389-2921 KPP4239 79 1.6 161
Show 21575-3105 PRO 234 66 3.3 162
Show 21558-3313 TSN 200 229 0.0 164
Show 21342-3013 LDS5925 272 94.6 165
Show 21581-3150 LDS5939 291 265.4 166
Show 21583-3207 RST2190 293 1.0 169
Show 21314-3146 SKF2099 259 23.1 177
Show 21490-3431 TSN 100 106 8.1 179
Show 21328-3017 JSP 826 354 4.0 180
Show 21589-3227 LDS4929 353 113.1 180
Show 21593-3110 BRT3104 226 3.4 184
Show 21514-2853 LDS5930 128 257.8 184
Show 21528-2903 UC 4587 187 10.5 185
Show 21307-3057 RSS 561 AB 98 5.3 191
Show 21307-3057 TOK 636 AC 125 930.0 191

 
 
WDS 21452-3139 : COMPONENTS
 
 
  A B
B pa=108.0°
sep=11.28"
 
C pa=246.3°
sep=16.51"
pa=263.1°
sep=26.03"
 
 
21452-3139 A
 
 
Coord arcsec 2000 214513.48-313910.3 Mag 9.4 Spectral class G1/2V (yellow) PmRA -35.00
PmDE -45.0 SAO 213260 HIP 107399 Tycho2 7487-01552-1
HD 206785 CD CD-3216727
Tycho2
Tycho2 7487-01552-1 Pflag RAmdeg 326.30605769 DEmdeg -31.65298148
PmRA -32.6 PmDE -45.5 E RAmdeg 11 E DEmdeg 13
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.51 EpDEm 1988.65
Num 10 Q RAmdeg 0.7 Q DEmdeg 0.6 Q pmRA 0.7
Q pmDE 0.6 BTmag 10.130 E BTmag 0.027 VTmag 9.293
E VTmag 0.019 Prox 999 TYC T HIP 107399
CCDM RAdeg 326.30614611 DEdeg -31.65287556 EpRA 1990 1.77
EpDE 1990 1.59 E RAdeg 12.0 E DEdeg 14.2 Posflg
Corr -0.2
SAO
SAO 213260 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.087 Vmag 9.5 SpType G5
Double code Source 40 CatNum 11851 DM CD-3216727
DMcomp BDsup HD 206785 M HD 0
GC RA1950rad 5.6822586 DE1950rad -0.55646922 PmRA2000 -0.0007
PmDE2000 -0.09
Hipparcos
Catalog H HIP 107399 Proxy RAhms 21 45 13.48
DEdms -31 39 10.3 Vmag 9.22 VarFlag R Vmag H
RAdeg 326.306 DEdeg -31.6529 AstroRef Plx 4.87
CCDM 21452-3139 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 206785 BD
CD CD-3216727 CP Dm number -3216727 VIred 0.74
SpType G1/G2V R SpType Coord arcsec 2000 214513.48-313910.3
Hipparcos 2
HIP 107399 Sn 5 So 0 Nc 1
RArad 5.6951166763 DErad -0.5524468441 Plx 5.91 PmRA -33.26
PmDE -45.7 E RArad 0.92 E DErad 0.66 E Plx 1.12
E pmRA 1.04 E pmDE 0.73 Hpmag 9.3613 E Hpmag 0.0018
SHp 0.018 VA 0 BV 0.703 E BV 0.027
VI 0.76
CCDM
Ccdm 21452-3139 RComp Comp A Note1
Note2 Discov num DRAs 1.44 DDEs -12.2
R dRAs 41 Year Theta Rho
Obs 3 Vmag 9.4 Sp G5 PmNote *
PmRA -9 PmDE -87 Dm number -3216727 Cat1 CD
Name2 213260 Cat2 SAO HD 206785 M HD
ADS BDS M ADS BDS N IDS IDS 21393S3207A
HIC 107399
 
 
21452-3139 B
 
 
Coord arcsec 2000 214514.32-313913.8 Mag 14.8 PmRA -33.00 PmDE -37.0
Calc delta mag 5.4 Calc coord yes
CCDM
Ccdm 21452-3139 RComp Comp B Note1
Note2 Discov num DAW DRAs 2.44 DDEs -15.4
R dRAs 41 Year 1918 Theta 119 Rho 14.6
Obs 1 Vmag 14.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21393S3207B
HIC
 
 
21452-3139 C
 
 
Coord arcsec 2000 214512.30-313916.9 Mag 13.6 PmRA -28.00 PmDE -78.0
Calc delta mag 4.2 Calc coord yes
CCDM
Ccdm 21452-3139 RComp Comp C Note1
Note2 Discov num HJ 5293 DRAs 0.04 DDEs -17.5
R dRAs 41 Year 1918 Theta 250 Rho 19.4
Obs 1 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21393S3207C
HIC