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Doubles in session


Current system
21221-3818
HDS 3042
HD 203243


Nearby doubles
21' : 21232-3800
LDS 741

34' : 21208-3847
CVN 110AB

36' : 21251-3812
RST5478

45' : 21187-3835
NSN 467

45' : 21220-3733
B 525

48' : 21236-3734
TDT2941

53' : 21263-3801
B 2494

70' : 21257-3913
SEE 445

70' : 21276-3843
KPP1399

72' : 21265-3728
KPP 623

74' : 21163-3845
LDS 737

77' : 21176-3914
SEE 442

77' : 21196-3929
I 1438

79' : 21278-3900
WG 271

87' : 21232-3653
SUB 9

89' : 21285-3906
WG 272

91' : 21293-3850
I 133

91' : 21237-3947
SKF1173

94' : 21143-3835
B 520AB

97' : 21271-3700
BRT1820

100' : 21209-3639
B 1006

101' : 21178-3945
CRU9019AB

103' : 21307-3838
B 530AB

104' : 21140-3858
TDT2844

107' : 21241-4002
UC 4465

111' : 21315-3834
I 1123AB



Selections
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Binary Systems
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Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21221-3818 HDS 3042 (HD 203243)

 
 
21h 22m 08.11s -38° 17' 50.6" P.A. 126.00 sep 0.2 mag 10.84,11.13 Sp F3V dist. 347.22 pc (1132.63 l.y.)
 
 
Coord 2000 21221-3818 Discov num HDS3042 Comp Coord arcsec 2000 21 22 08.11 -38 17 50.6
Date first 1991 Date last 2021 Obs 2
Pa first 137 Pa last 126.4 P.A. Now (θ) 126.4°
Sep first 0.2 Sep last 0.176 Sep. Now (ρ) 0.176"
Mag pri 10.84 Mag sec 11.13 delta mag (ΔM) 0.29 Spectral class F3V (yellow-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203243 Constellation Microscopium HIP 105505 Tycho2 7979-00548-1
HD 203243 CD CD-3814512 CP CP-38 8239 Distance 347.22
Distance ly 1132.63
 
 
WDS 21221-3818 HDS 3042 (HD 203243) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21221-3818 HDS3042 1991 1 137 0.2 10.84 11.13 F3V 212208.11-381750.6
21221-3818 HDS3042 2021 2 126 0.2 10.84 11.13 F3V 212208.11-381750.6

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

 
 
WDS 21221-3818 HDS 3042 (HD 203243) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21221-3818 HDS 3042 (HD 203243) : MEASURES
 
 
No records found.

 
 
WDS 21221-3818 (HD 203243) : VIRTUAL EYEPIECE
 
 

21221-3818 HDS3042A mag 10.84 Sp F3V 21221-3818 HDS3042B sep 0.1 P.A. 133.20 mag 11.13 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 21221-3818 (HD 203243) : ALADIN DSS IMAGE @ 21h 22m 08.11s -38° 17' 50.6"
 
 
 
 
WDS 21221-3818 HDS 3042 (HD 203243) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21221-3818 HDS3042 distance=0' 21232-3800 LDS 741 distance=21' 21208-3847 CVN 110AB distance=34' 21251-3812 RST5478 distance=36' 21187-3835 NSN 467 distance=45' 21220-3733 B 525 distance=45' 21236-3734 TDT2941 distance=48' 21263-3801 B 2494 distance=53' 21257-3913 SEE 445 distance=70' 21276-3843 KPP1399 distance=70' 21265-3728 KPP 623 distance=72' 21163-3845 LDS 737 distance=74' 21176-3914 SEE 442 distance=77' 21196-3929 I 1438 distance=77' 21278-3900 WG 271 distance=79' 21232-3653 SUB 9 distance=87' 21285-3906 WG 272 distance=89' 21293-3850 I 133 distance=91' 21237-3947 SKF1173 distance=91' 21143-3835 B 520AB distance=94' 21143-3835 HJ 5253AC distance=94' 21271-3700 BRT1820 distance=97' 21209-3639 B 1006 distance=100' 21178-3945 CRU9019AB distance=101' 21178-3945 CRU9019AC distance=101' 21178-3945 TDT2890Ba,Bb distance=103' 21307-3838 B 530AB distance=103' 21307-3838 B 530AC distance=103' 21156-3927 HJ 5254A,BC distance=104' 21140-3858 TDT2844 distance=104' 21156-3927 B 521BC distance=104' 21241-4002 UC 4465 distance=107' 21315-3834 I 1123AB distance=111' 21315-3834 TOK 347AC distance=111' 21213-4011 WG 270 distance=114' 21121-3811 HJ 5249 distance=119' 21142-3936 WG 267 distance=123' 21136-3703 BRT1817 distance=126' 21176-3619 UC 4431 distance=131' 21318-3709 B 1896 distance=134' 21225-3600 RST3284 distance=138' 21339-3806 B 2496 distance=140' 21265-3608 NSN 468 distance=140' 21200-3557 UC 4443 distance=144' 21111-3717 COO 242 distance=144' 21243-4040 CRU9020 distance=145' 21310-3633 B 1008AB distance=149' 21310-3633 HJ 5275AB,C distance=149' 21208-4049 HDS3039 distance=152' 21144-4025 UC 4416 distance=156' 21097-3725 TDT2796 distance=157' 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 21221-3818 HDS3042 126 0.2
Show 21232-3800 LDS 741 290 8.9 21
Show 21208-3847 CVN 110 AB 25 7.0 34
Show 21251-3812 RST5478 126 1.4 36
Show 21187-3835 NSN 467 290 36.2 45
Show 21220-3733 B 525 171 0.9 45
Show 21236-3734 TDT2941 97 0.4 48
Show 21263-3801 B 2494 324 8.2 53
Show 21257-3913 SEE 445 216 2.3 70
Show 21276-3843 KPP1399 345 10.5 70
Show 21265-3728 KPP 623 60 5.7 72
Show 21163-3845 LDS 737 157 7.2 74
Show 21176-3914 SEE 442 40 4.9 77
Show 21196-3929 I 1438 57 3.8 77
Show 21278-3900 WG 271 121 4.1 79
Show 21232-3653 SUB 9 168 49.6 87
Show 21285-3906 WG 272 85 7.5 89
Show 21293-3850 I 133 26 7.2 91
Show 21237-3947 SKF1173 153 94.0 91
Show 21143-3835 B 520 AB 252 0.8 94
Show 21143-3835 HJ 5253 AC 183 10.4 94
Show 21271-3700 BRT1820 99 4.0 97
Show 21209-3639 B 1006 151 5.7 100
Show 21178-3945 CRU9019 AB 230 117.1 101
Show 21178-3945 CRU9019 AC 62 62.8 101
Show 21178-3945 TDT2890 Ba,Bb 252 0.5 103
Show 21307-3838 B 530 AB 44 0.9 103
Show 21307-3838 B 530 AC 275 48.0 103
Show 21156-3927 HJ 5254 A,BC 191 57.8 104
Show 21140-3858 TDT2844 69 0.5 104
Show 21156-3927 B 521 BC 50 0.5 104
Show 21241-4002 UC 4465 50 38.1 107
Show 21315-3834 I 1123 AB 343 5.0 111
Show 21315-3834 TOK 347 AC 208 235.4 111
Show 21213-4011 WG 270 52 4.8 114
Show 21121-3811 HJ 5249 327 23.1 119
Show 21142-3936 WG 267 318 10.0 123
Show 21136-3703 BRT1817 61 3.6 126
Show 21176-3619 UC 4431 146 15.1 131
Show 21318-3709 B 1896 53 0.2 134
Show 21225-3600 RST3284 180 0.6 138
Show 21339-3806 B 2496 127 1.0 140
Show 21265-3608 NSN 468 163 2.6 140
Show 21200-3557 UC 4443 249 24.4 144
Show 21111-3717 COO 242 239 5.2 144
Show 21243-4040 CRU9020 52 38.1 145
Show 21310-3633 B 1008 AB 206 0.1 149
Show 21310-3633 HJ 5275 AB,C 200 40.4 149
Show 21208-4049 HDS3039 13 0.2 152
Show 21144-4025 UC 4416 140 12.5 156
Show 21097-3725 TDT2796 263 0.6 157

 
 
WDS 21221-3818 : COMPONENTS
 
 
  A
B pa=133.2°
sep=0.15"
 
 
21221-3818 A
 
 
Componente originario normalizzato AB Name HD 203243 Coord arcsec 2000 212208.11-381750.6 Mag 10.84
Spectral class F3V (yellow-white) PmRA 5.00 PmDE -4.0 HIP 105505
Tycho2 7979-00548-1 HD 203243 CD CD-3814512 CP CP-38 8239
Tycho2
Tycho2 7979-00548-1 Pflag RAmdeg 320.53383263 DEmdeg -38.29740935
PmRA 4.2 PmDE -4.3 E RAmdeg 27 E DEmdeg 28
E pmRA 1.6 E pmDE 1.6 EpRAm 1983.52 EpDEm 1978.83
Num 8 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.1 BTmag 10.740 E BTmag 0.059 VTmag 10.205
E VTmag 0.051 Prox 999 TYC T HIP 105505
CCDM AB RAdeg 320.53382278 DEdeg -38.29740306 EpRA 1990 1.84
EpDE 1990 1.91 E RAdeg 31.6 E DEdeg 38.3 Posflg P
Corr -0.2
Hipparcos
Catalog H HIP 105505 Proxy H RAhms 21 22 08.11
DEdms -38 17 50.6 Vmag 10.11 VarFlag R Vmag H
RAdeg 320.534 DEdeg -38.2974 AstroRef * Plx 1.76
CCDM 21221-3818 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 137 Rho 0.177 HD 203243 BD
CD CD-3814512 CP CP-38 8239 Dm number -3814512 VIred 0.52
SpType F3V R SpType Coord arcsec 2000 212208.11-381750.6
Hipparcos 2
HIP 105505 Sn 55 So 3 Nc 2
RArad 5.5943703708 DErad -0.6684157647 Plx 2.88 PmRA 6.52
PmDE -3.25 E RArad 1.84 E DErad 1.46 E Plx 1.96
E pmRA 2.23 E pmDE 1.33 Hpmag 10.2233 E Hpmag 0.0055
SHp 0.026 VA 0 BV 0.499 E BV 0.057
VI 0.57
CCDM
Ccdm 21221-3818 RComp Comp A Note1
Note2 Discov num DRAs 2.11 DDEs 9.4
R dRAs 82 Year Theta Rho
Obs 2 Vmag 10.8 Sp F3 PmNote *
PmRA 5 PmDE -4 Dm number -3814512 Cat1 CD
Name2 Cat2 HD 203243 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105505
 
 
21221-3818 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212208.12-381750.7 Mag 11.13 Calc delta mag 0.29
Calc coord yes
CCDM
Ccdm 21221-3818 RComp Comp B Note1
Note2 Discov num HDS DRAs 2.13 DDEs 9.2
R dRAs 82 Year 1991 Theta 137 Rho 0.2
Obs 1 Vmag 11.1 Sp PmNote *
PmRA 5 PmDE -4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105505