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Doubles in session


Current system
21247-0420
HDS 3050
HD 203825


Nearby doubles
8' : 21251-0417
GWP3058

24' : 21261-0431
KPP2698

27' : 21230-0423
CVR 896

56' : 21279-0448
UC 4473

68' : 21265-0319
GWP3060

81' : 21299-0357
GWP3067

83' : 21193-0440
UC 4441AB

85' : 21221-0536
CVR 894

87' : 21214-0310
RUC 14

88' : 21234-0546
CVR 897

91' : 21305-0356
CVR 905

92' : 21192-0501
KPP1599

95' : 21303-0336
SLW1239

96' : 21201-0314
UC 4445

98' : 21209-0302
JNN 130

100' : 21304-0322
CHE 305

102' : 21300-0524
BU 72

104' : 21310-0502
BRT 559

108' : 21302-0529
BU 684

113' : 21172-0414
BU 161AB

113' : 21232-0611
ITF 81AB

116' : 21238-0615
ITF 90

127' : 21316-0534
H 5 76AB
Sadalsuud

127' : 21240-0627
ITF 89

130' : 21323-0521
UC 4487

130' : 21332-0355
SLW1243



Selections
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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.

21247-0420 HDS 3050 (HD 203825)

 
 
21h 24m 41.47s -04° 20' 26.9" P.A. 311.00 sep 0.2 mag 8.78,9.52 Sp F8 dist. 170.94 pc (557.61 l.y.)
 
 
Coord 2000 21247-0420 Discov num HDS3050 Comp Coord arcsec 2000 21 24 41.47 -04 20 26.9
Date first 1991 Date last 2019 Obs 6
Pa first 2 Pa last 310.7 P.A. Now (θ) 310.7°
Sep first 0.1 Sep last 0.169 Sep. Now (ρ) 0.169"
Mag pri 8.78 Mag sec 9.52 delta mag (ΔM) 0.74 Spectral class F8 (yellow-white)
Pri motion ra +007 Sec motion ra
Pri motion dec -070 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203825 Constellation Aquarius SAO 145373 HIP 105715
Tycho2 5203-00328-1 Gaia DR2 2672179672041122048 HD 203825 BD BD-04 5443
Distance 170.94 Distance ly 557.61
 
 
WDS 21247-0420 HDS 3050 (HD 203825) : 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
21247-0420 HDS3050 1991 1 2 0.1 8.78 9.52 F8 X 212441.47-042026.9
21247-0420 HDS3050 2008 2 115 0.1 8.78 9.52 F8 X 212441.47-042026.9
21247-0420 HDS3050 2010 3 298 0.1 8.78 9.52 F8 D 212441.47-042026.9
21247-0420 HDS3050 2013 4 304 0.1 8.78 9.52 F8 212441.47-042026.9
21247-0420 HDS3050 2014 5 306 0.2 8.78 9.52 F8 212441.47-042026.9
21247-0420 HDS3050 2019 6 311 0.2 8.78 9.52 F8 212441.47-042026.9

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

 
 
WDS 21247-0420 HDS 3050 (HD 203825) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21247-0420 HDS 3050 (HD 203825) : MEASURES
 
 
No records found.

 
 
WDS 21247-0420 (HD 203825) : VIRTUAL EYEPIECE
 
 

21247-0420 HDS3050A mag 8.78 Sp F8 21247-0420 HDS3050B sep 0.2 P.A. 310.80 mag 9.52 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21247-0420 (HD 203825) : ALADIN DSS IMAGE @ 21h 24m 41.47s -04° 20' 26.9"
 
 
 
 
WDS 21247-0420 HDS 3050 (HD 203825) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21247-0420 HDS3050 distance=0' 21251-0417 GWP3058 distance=8' 21261-0431 KPP2698 distance=24' 21230-0423 CVR 896 distance=27' 21279-0448 UC 4473 distance=56' 21265-0319 GWP3060 distance=68' 21299-0357 GWP3067 distance=81' 21193-0440 UC 4441AB distance=83' 21221-0536 CVR 894 distance=85' 21214-0310 RUC 14 distance=87' 21234-0546 CVR 897 distance=88' 21305-0356 CVR 905 distance=91' 21192-0501 KPP1599 distance=92' 21303-0336 SLW1239 distance=95' 21201-0314 UC 4445 distance=96' 21209-0302 JNN 130 distance=98' 21304-0322 CHE 305 distance=100' 21300-0524 BU 72 distance=102' 21310-0502 BRT 559 distance=104' 21302-0529 BU 684 distance=108' 21172-0414 BU 161AB distance=113' 21172-0414 BU 161AD distance=113' 21172-0414 BU 161AE distance=113' 21232-0611 ITF 81AB distance=113' 21172-0414 BU 161DE distance=113' 21172-0414 BU 161BC distance=113' 21238-0615 ITF 90 distance=116' 21316-0534 H 5 76AB (Sadalsuud) distance=127' 21316-0534 BU 73AC (Sadalsuud) distance=127' 21240-0627 ITF 89 distance=127' 21323-0521 UC 4487 distance=130' 21332-0355 SLW1243 distance=130' 21237-0630 ITF 36 distance=130' 21238-0635 S 788 distance=136' 21285-0210 BRT 516 distance=141' 21341-0422 HO 288AB distance=142' 21308-0233 RST4695 distance=142' 21299-0220 JNN 131 distance=144' 21225-0155 BAL 264 distance=149' 21342-0327 BU 165 distance=152' 21182-0224 J 1719 distance=153' 21285-0157 GWP3064 distance=155' 21177-0227 UC 4433 distance=155' 21300-0637 BRT 517 distance=158' 21151-0306 OCC9216 distance=162' 21283-0655 GWP3063 distance=164' 21274-0701 HDS3053 distance=166' 21149-0303 TDT2856 distance=166' 21335-0610 LDS4895 distance=171' 21335-0230 HDS3066 distance=173' 21209-0136 RST5161 distance=176' 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 21247-0420 HDS3050 311 0.2
Show 21251-0417 GWP3058 302 135.8 8
Show 21261-0431 KPP2698 132 9.3 24
Show 21230-0423 CVR 896 105 8.5 27
Show 21279-0448 UC 4473 54 42.6 56
Show 21265-0319 GWP3060 22 27.2 68
Show 21299-0357 GWP3067 42 81.8 81
Show 21193-0440 UC 4441 AB 186 69.9 83
Show 21221-0536 CVR 894 156 11.2 85
Show 21214-0310 RUC 14 34 0.3 87
Show 21234-0546 CVR 897 135 15.4 88
Show 21305-0356 CVR 905 30 16.1 91
Show 21192-0501 KPP1599 222 12.2 92
Show 21303-0336 SLW1239 41 9.5 95
Show 21201-0314 UC 4445 127 34.6 96
Show 21209-0302 JNN 130 66 1.3 98
Show 21304-0322 CHE 305 310 11.8 100
Show 21300-0524 BU 72 41 1.7 102
Show 21310-0502 BRT 559 103 3.5 104
Show 21302-0529 BU 684 137 1.1 108
Show 21172-0414 BU 161 AB 350 101.2 113
Show 21172-0414 BU 161 AD 315 32.4 113
Show 21172-0414 BU 161 AE 327 39.9 113
Show 21232-0611 ITF 81 AB 297 2.8 113
Show 21172-0414 BU 161 DE 8 10.8 113
Show 21172-0414 BU 161 BC 315 8.2 113
Show 21238-0615 ITF 90 266 20.8 116
Show Sadalsuud 21316-0534 H 5 76 AB 319 37.6 127
Show Sadalsuud 21316-0534 BU 73 AC 189 61.0 127
Show 21240-0627 ITF 89 340 23.0 127
Show 21323-0521 UC 4487 316 11.2 130
Show 21332-0355 SLW1243 66 23.5 130
Show 21237-0630 ITF 36 13 7.3 130
Show 21238-0635 S 788 93 58.1 136
Show 21285-0210 BRT 516 220 4.9 141
Show 21341-0422 HO 288 AB 273 21.6 142
Show 21308-0233 RST4695 226 2.5 142
Show 21299-0220 JNN 131 62 0.7 144
Show 21225-0155 BAL 264 98 13.6 149
Show 21342-0327 BU 165 177 5.1 152
Show 21182-0224 J 1719 170 5.8 153
Show 21285-0157 GWP3064 136 12.9 155
Show 21177-0227 UC 4433 9 16.8 155
Show 21300-0637 BRT 517 205 4.4 158
Show 21151-0306 OCC9216 91 0.4 162
Show 21283-0655 GWP3063 115 46.1 164
Show 21274-0701 HDS3053 85 0.1 166
Show 21149-0303 TDT2856 107 0.5 166
Show 21335-0610 LDS4895 206 14.7 171
Show 21335-0230 HDS3066 105 1.7 173
Show 21209-0136 RST5161 234 2.9 176

 
 
WDS 21247-0420 : COMPONENTS
 
 
  A
B pa=310.8°
sep=0.17"
 
 
21247-0420 A
 
 
Componente originario normalizzato AB Name HD 203825 Coord arcsec 2000 212441.47-042026.9 Mag 8.78
Spectral class F8 (yellow-white) PmRA 7.00 PmDE -70.0 SAO 145373
HIP 105715 Tycho2 5203-00328-1 HD 203825 BD BD-04 5443
Tycho2
Tycho2 5203-00328-1 Pflag RAmdeg 321.17282533 DEmdeg -4.34097226
PmRA 5.7 PmDE -70.0 E RAmdeg 7 E DEmdeg 9
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.58 EpDEm 1990.12
Num 10 Q RAmdeg 1.4 Q DEmdeg 1.1 Q pmRA 1.5
Q pmDE 1.1 BTmag 8.921 E BTmag 0.019 VTmag 8.298
E VTmag 0.014 Prox 999 TYC T HIP 105715
CCDM AB RAdeg 321.17281278 DEdeg -4.34080778 EpRA 1990 1.64
EpDE 1990 1.53 E RAdeg 7.2 E DEdeg 8.5 Posflg P
Corr -0.1
SAO
SAO 145373 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.071 Vmag 8.3 SpType F8
Double code Source 27 CatNum 7478 DM BD-04 5443
DMcomp BDsup HD 203825 M HD 0
GC RA1950rad 5.59410064 DE1950rad -0.07951574 PmRA2000 0.0011
PmDE2000 -0.074
Hipparcos
Catalog H HIP 105715 Proxy H RAhms 21 24 41.47
DEdms -04 20 26.9 Vmag 8.22 VarFlag R Vmag G
RAdeg 321.173 DEdeg -4.3408 AstroRef * Plx 6.06
CCDM 21247-0420 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 2 Rho 0.123 HD 203825 BD BD-04 5443
CD CP Dm number -04 5443 VIred 0.67
SpType F8 R SpType Coord arcsec 2000 212441.47-042026.9
Hipparcos 2
HIP 105715 Sn 55 So 3 Nc 2
RArad 5.6055229596 DErad -0.0757613221 Plx 5.85 PmRA 6.64
PmDE -71.23 E RArad 0.88 E DErad 0.79 E Plx 1.15
E pmRA 1.15 E pmDE 0.89 Hpmag 8.3361 E Hpmag 0.0016
SHp 0.013 VA 0 BV 0.599 E BV 0.015
VI 0.67
CCDM
Ccdm 21247-0420 RComp Comp A Note1
Note2 Discov num DRAs -0.52 DDEs -27.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.8 Sp F8 PmNote *
PmRA 7 PmDE -70 Dm number -04 5443 Cat1 BD
Name2 145373 Cat2 SAO HD 203825 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105715
 
 
21247-0420 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212441.46-042026.8 Mag 9.52 Calc delta mag 0.74
Calc coord yes
CCDM
Ccdm 21247-0420 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.52 DDEs -27.4
R dRAs 82 Year 1991 Theta 2 Rho 0.1
Obs 1 Vmag 9.5 Sp PmNote *
PmRA 7 PmDE -70 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105715