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Doubles in session


Current system
21247-3106
HJ 5266
HD 203689


Nearby doubles
24' : 21265-3111
TOK 372

31' : 21254-3037
HJ 3025

51' : 21209-3054
HJ 5263

55' : 21214-3140
UC 4455

56' : 21247-3202
JSP 824AB

66' : 21218-3014
UC 4457

71' : 21291-3148
LDS5924

75' : 21238-3219
LDS5922

76' : 21304-3045
UC 4480

78' : 21307-3057
RSS 561AB

79' : 21273-3218
B 1007

79' : 21291-3011
RST2179

81' : 21212-3212
NSN 492

82' : 21256-3227
JSP 825

83' : 21273-3222
HWE 90

87' : 21192-3018
RST2176AB

89' : 21288-2955
RST2178

95' : 21314-3146
SKF2099

104' : 21196-3226
I 1605

105' : 21191-3221
SKF2098

116' : 21328-3017
JSP 826

116' : 21332-3147
HJ 3034

118' : 21283-3254
KPP3117

119' : 21307-3238
BRT1821

120' : 21205-2920
LDS5921

122' : 21212-2914
FIN 6



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.

21247-3106 HJ 5266 (HD 203689)

 
 
21h 24m 43.73s -31° 06' 11.5" P.A. 256.00 sep 10.7 mag 8.72,11.70 Sp G8/K0III
 
 
Coord 2000 21247-3106 Discov num HJ 5266 Comp Coord arcsec 2000 21 24 43.73 -31 06 11.5
Date first 1830 Date last 2018 Obs 14
Pa first 277 Pa last 256.2 P.A. Now (θ) 256.2°
Sep first 12.0 Sep last 10.74 Sep. Now (ρ) 10.74"
Mag pri 8.72 Mag sec 11.70 delta mag (ΔM) 2.98 Spectral class G8/K0III (yellow)
Pri motion ra +005 Sec motion ra +021
Pri motion dec -016 Sec motion dec -048
Notes
rPM=0.683
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203689 Constellation Microscopium SAO 212977 Tycho2 7473-00264-1
Gaia DR2 6784374806559614208 HD 203689
 
 
WDS 21247-3106 HJ 5266 (HD 203689) : 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
21247-3106 HJ 5266 1999 11 257 11.4 8.72 11.70 G8/K0III D 212443.73-310611.5
21247-3106 HJ 5266 2015 13 254 11.1 8.72 11.70 G8/K0III 212443.73-310611.5
21247-3106 HJ 5266 2018 14 256 10.7 8.72 11.70 G8/K0III 212443.73-310611.5

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

 
 
WDS 21247-3106 HJ 5266 (HD 203689) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21247-3106 HJ 5266 (HD 203689) : MEASURES
 
 
No records found.

 
 
WDS 21247-3106 (HD 203689) : VIRTUAL EYEPIECE
 
 

21247-3106 HJ 5266A mag 8.72 Sp G8/K0III 21247-3106 HJ 5266B sep 9.3 P.A. 254.00 mag 11.7 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 21247-3106 (HD 203689) : ALADIN DSS IMAGE @ 21h 24m 43.73s -31° 06' 11.5"
 
 
 
 
WDS 21247-3106 HJ 5266 (HD 203689) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21247-3106 HJ 5266 distance=0' 21265-3111 TOK 372 distance=24' 21254-3037 HJ 3025 distance=31' 21209-3054 HJ 5263 distance=51' 21214-3140 UC 4455 distance=55' 21247-3202 JSP 824AB distance=56' 21218-3014 UC 4457 distance=66' 21291-3148 LDS5924 distance=71' 21238-3219 LDS5922 distance=75' 21304-3045 UC 4480 distance=76' 21307-3057 RSS 561AB distance=78' 21307-3057 TOK 636AC distance=78' 21273-3218 B 1007 distance=79' 21291-3011 RST2179 distance=79' 21212-3212 NSN 492 distance=81' 21256-3227 JSP 825 distance=82' 21273-3222 HWE 90 distance=83' 21192-3018 RST2176AB distance=87' 21192-3018 WIS 348AC distance=87' 21288-2955 RST2178 distance=89' 21314-3146 SKF2099 distance=95' 21196-3226 I 1605 distance=104' 21191-3221 SKF2098 distance=105' 21328-3017 JSP 826 distance=116' 21332-3147 HJ 3034 distance=116' 21283-3254 KPP3117 distance=118' 21307-3238 BRT1821 distance=119' 21205-2920 LDS5921 distance=120' 21212-2914 FIN 6 distance=122' 21150-3059 RSS 557 distance=125' 21181-2931 LDS 738AB distance=129' 21181-2931 LDS 738Aa,Ab distance=129' 21218-3311 SKF1650 distance=131' 21349-3044 UC 4501 distance=133' 21145-3045 RSS 556 distance=133' 21342-3013 LDS5925 distance=134' 21352-3033 HJ 5280 distance=139' 21341-3221 HJ 5279 distance=142' 21137-3121 BRT3097AB distance=142' 21266-2839 TDT2970 distance=150' 21363-3026 B 532 distance=155' 21251-2831 LDS5923 distance=155' 21368-3043 VOU 35AB distance=157' 21368-3043 TOK 386AC distance=157' 21146-2935 B 2492 distance=161' 21140-2940 MET 91 distance=164' 21149-2921 HDS3022 distance=165' 21121-3035 BU 251 distance=166' 21194-2831 B 523 distance=171' 21138-3247 B 2491 distance=172' 21111-3041 HJ 5248 distance=178' 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 21247-3106 HJ 5266 256 10.7
Show 21265-3111 TOK 372 138 0.1 24
Show 21254-3037 HJ 3025 282 32.4 31
Show 21209-3054 HJ 5263 93 27.9 51
Show 21214-3140 UC 4455 283 11.4 55
Show 21247-3202 JSP 824 AB 198 1.7 56
Show 21218-3014 UC 4457 240 34.7 66
Show 21291-3148 LDS5924 300 108.4 71
Show 21238-3219 LDS5922 284 201.1 75
Show 21304-3045 UC 4480 124 22.3 76
Show 21307-3057 RSS 561 AB 98 5.3 78
Show 21307-3057 TOK 636 AC 125 930.0 78
Show 21273-3218 B 1007 343 0.1 79
Show 21291-3011 RST2179 344 2.2 79
Show 21212-3212 NSN 492 320 9.3 81
Show 21256-3227 JSP 825 279 2.0 82
Show 21273-3222 HWE 90 280 1.3 83
Show 21192-3018 RST2176 AB 246 0.8 87
Show 21192-3018 WIS 348 AC 239 171.8 87
Show 21288-2955 RST2178 229 2.6 89
Show 21314-3146 SKF2099 259 23.1 95
Show 21196-3226 I 1605 298 1.7 104
Show 21191-3221 SKF2098 27 100.8 105
Show 21328-3017 JSP 826 354 4.0 116
Show 21332-3147 HJ 3034 259 36.0 116
Show 21283-3254 KPP3117 259 2.3 118
Show 21307-3238 BRT1821 39 8.0 119
Show 21205-2920 LDS5921 91 313.7 120
Show 21212-2914 FIN 6 209 1.2 122
Show 21150-3059 RSS 557 339 55.4 125
Show 21181-2931 LDS 738 AB 182 27.4 129
Show 21181-2931 LDS 738 Aa,Ab 101 4.8 129
Show 21218-3311 SKF1650 44 2.5 131
Show 21349-3044 UC 4501 42 58.5 133
Show 21145-3045 RSS 556 24 11.8 133
Show 21342-3013 LDS5925 272 94.6 134
Show 21352-3033 HJ 5280 305 9.5 139
Show 21341-3221 HJ 5279 290 11.5 142
Show 21137-3121 BRT3097 AB 124 3.4 142
Show 21266-2839 TDT2970 278 0.6 150
Show 21363-3026 B 532 290 0.6 155
Show 21251-2831 LDS5923 208 33.3 155
Show 21368-3043 VOU 35 AB 307 0.1 157
Show 21368-3043 TOK 386 AC 6 0.5 157
Show 21146-2935 B 2492 7.2 161
Show 21140-2940 MET 91 161 1.9 164
Show 21149-2921 HDS3022 18 0.4 165
Show 21121-3035 BU 251 232 1.8 166
Show 21194-2831 B 523 212 0.8 171
Show 21138-3247 B 2491 201 6.5 172
Show 21111-3041 HJ 5248 319 5.3 178

 
 
WDS 21247-3106 : COMPONENTS
 
 
  A
B pa=254.0°
sep=9.29"
 
 
21247-3106 A
 
 
Componente originario normalizzato AB Name HD 203689 Coord arcsec 2000 212443.73-310611.5 Mag 8.72
Spectral class G8/K0III (yellow) PmRA 5.00 PmDE -16.0 SAO 212977
Tycho2 7473-00264-1 HD 203689 DM CD-3118246
Tycho2
Tycho2 7473-00264-1 Pflag RAmdeg 321.18223461 DEmdeg -31.10320172
PmRA 3.5 PmDE -18.3 E RAmdeg 11 E DEmdeg 12
E pmRA 1.4 E pmDE 1.4 EpRAm 1989.98 EpDEm 1989.63
Num 7 Q RAmdeg 1.2 Q DEmdeg 0.8 Q pmRA 1.2
Q pmDE 0.8 BTmag 9.927 E BTmag 0.029 VTmag 8.716
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 321.18222583 DEdeg -31.10316000 EpRA 1990 1.76
EpDE 1990 1.75 E RAdeg 10.8 E DEdeg 11.9 Posflg
Corr -0.2
SAO
SAO 212977 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.027 Vmag 8.6 SpType K0
Double code Source 40 CatNum 11681 DM CD-3118246
DMcomp BDsup HD 203689 M HD 0
GC RA1950rad 5.59264395 DE1950rad -0.54661739 PmRA2000 0.0002
PmDE2000 -0.03
CCDM
Ccdm 21247-3106 RComp Comp A Note1
Note2 Discov num DRAs 1.73 DDEs -12.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp K0 PmNote *
PmRA 4 PmDE -27 Dm number -3118246 Cat1 CD
Name2 212977 Cat2 SAO HD 203689 M HD
ADS BDS M ADS BDS N IDS IDS 21187S3132A
HIC
 
 
21247-3106 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212443.03-310614.1 Mag 11.7 PmRA 21.00
PmDE -48.0 Calc delta mag 2.98 Calc coord yes
CCDM
Ccdm 21247-3106 RComp Comp B Note1
Note2 Discov num HJ 5266 DRAs 0.76 DDEs -14.6
R dRAs 90 Year 1959 Theta 263 Rho 11.9
Obs 5 Vmag 11.6 Sp PmNote *
PmRA 1 PmDE -49 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21187S3132B
HIC