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Current system
21238-0635
S 788
HD 203667


Nearby doubles
6' : 21237-0630
ITF 36

9' : 21240-0627
ITF 89

20' : 21238-0615
ITF 90

27' : 21232-0611
ITF 81AB

51' : 21234-0546
CVR 897

57' : 21259-0722
SLW1238

59' : 21274-0701
HDS3053

65' : 21221-0536
CVR 894

70' : 21283-0655
GWP3063

84' : 21227-0757
UC 4463AB

85' : 21190-0720
HDS3034

86' : 21238-0801
TSN 98

93' : 21300-0637
BRT 517

98' : 21231-0811
SKF1775

104' : 21305-0707
LDS6355

105' : 21168-0635
GWP3050

116' : 21302-0529
BU 684

117' : 21297-0752
RST4087

117' : 21300-0746
GRV1142

117' : 21300-0524
BU 72

117' : 21188-0804
GWP3052

118' : 21192-0501
KPP1599

124' : 21279-0448
UC 4473

125' : 21167-0739
STF2781AB

125' : 21310-0740
GWP3069

129' : 21261-0431
KPP2698



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21238-0635 S 788 (HD 203667)

 
 
21h 23m 50.84s -06° 35' 02.2" P.A. 93.00 sep 58.1 mag 7.65,8.27 Sp F8 dist. 60.72 pc (198.07 l.y.)
 
 
Coord 2000 21238-0635 Discov num S   788 Comp Coord arcsec 2000 21 23 50.84 -06 35 02.2
Date first 1795 Date last 2018 Obs 59
Pa first 87 Pa last 93.2 P.A. Now (θ) 93.2°
Sep first 37.2 Sep last 58.1 Sep. Now (ρ) 58.1"
Mag pri 7.65 Mag sec 8.27 delta mag (ΔM) 0.62 Spectral class F8 (yellow-white)
Pri motion ra -129 Sec motion ra -015
Pri motion dec -004 Sec motion dec -044
Notes N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=0.936
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203667 Constellation Aquarius SAO 145361 HIP 105641
Tycho2 5207-01103-1 Gaia DR2 6899007380609819008 HD 203667 GC 29948
DM BD-07 5550 BD BD-07 5549 Distance 60.72 Distance ly 198.07
 
 
WDS 21238-0635 S 788 (HD 203667) : NOTES
 
 
discov_num notes refcode
S 788 B is BD-07@5550.
Optical pair, based on study of relative motion of the components
using the method of apparent motion parameters. Kiy2008
 
 
REFERENCES
 
 
refcode metd author reference
Kiy2008 - Kiyaeva, O.V., Kiselev, A.A. & Izmailov, I.S. 2008SvAL...32..405K
Kiy2008 SvAL 34, 405, 2008
 
 
DISCOVERER
 
 
idgroup discov author
1 S South, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21238-0635 S 788 2002 37 93 55.3 7.65 8.27 F8 NLD 212350.84-063502.2
21238-0635 S 788 2012 45 93 56.9 7.65 8.27 F8 NLD 212350.84-063502.2
21238-0635 S 788 2013 50 93 56.8 7.65 8.27 F8 NL U 212350.84-063502.2
21238-0635 S 788 2016 52 93 57.5 7.65 8.27 F8 NL U 212350.84-063502.2
21238-0635 S 788 2018 59 93 58.1 7.65 8.27 F8 NL U 212350.84-063502.2

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

 
 
WDS 21238-0635 S 788 (HD 203667) : VISUAL OBSERVATIONS REPORTS
 
 
Show date username difficulty separation pa_estim interest notes
Show 23/08/24 Daedalus1 mean difficulty separated 93   Primary is white and slightly brighter than the orange companion.

 
 
WDS 21238-0635 S 788 (HD 203667) : MEASURES
 
 
Records found: 2
Show date username difficulty sep sep_sigma pa pa_sigma delta_mag # notes
Show 12/09/14 Robert   57.00 0.44 94.00     2
Show 23/08/24 Daedalus1 mean difficulty 58.31 0.09 93.00 0.00 0.53 12 Seeing: Pickering 8, excellent
 
 
WDS 21238-0635 (HD 203667) : VIRTUAL EYEPIECE
 
 

21238-0635 S 788A mag 7.65 Sp F8 21238-0635 S 788B sep 57.7 P.A. 93.20 mag 8.27 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 21238-0635 (HD 203667) : ALADIN DSS IMAGE @ 21h 23m 50.84s -06° 35' 02.2"
 
 
 
 
WDS 21238-0635 S 788 (HD 203667) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21238-0635 S 788 distance=1' 21237-0630 ITF 36 distance=6' 21240-0627 ITF 89 distance=9' 21238-0615 ITF 90 distance=20' 21232-0611 ITF 81AB distance=27' 21234-0546 CVR 897 distance=51' 21259-0722 SLW1238 distance=57' 21274-0701 HDS3053 distance=59' 21221-0536 CVR 894 distance=65' 21283-0655 GWP3063 distance=70' 21227-0757 UC 4463AB distance=84' 21190-0720 HDS3034 distance=85' 21238-0801 TSN 98 distance=86' 21300-0637 BRT 517 distance=93' 21231-0811 SKF1775 distance=98' 21305-0707 LDS6355 distance=104' 21168-0635 GWP3050 distance=105' 21302-0529 BU 684 distance=116' 21297-0752 RST4087 distance=117' 21300-0746 GRV1142 distance=117' 21300-0524 BU 72 distance=117' 21188-0804 GWP3052 distance=117' 21192-0501 KPP1599 distance=118' 21279-0448 UC 4473 distance=124' 21167-0739 STF2781AB distance=125' 21310-0740 GWP3069 distance=125' 21261-0431 KPP2698 distance=129' 21210-0837 UC 4450 distance=129' 21316-0534 H 5 76AB (Sadalsuud) distance=131' 21316-0534 BU 73AC (Sadalsuud) distance=131' 21230-0423 CVR 896 distance=133' 21193-0440 UC 4441AB distance=134' 21247-0420 HDS3050 distance=136' 21221-0848 TDT2927 distance=136' 21251-0417 GWP3058 distance=140' 21310-0502 BRT 559 distance=143' 21335-0610 LDS4895 distance=145' 21188-0847 BU 1503AB distance=146' 21188-0847 BU 1503AC distance=146' 21151-0742 GRV1153 distance=146' 21323-0521 UC 4487 distance=147' 21173-0832 BRT 558 distance=153' 21137-0610 TDS1121 distance=153' 21332-0744 UC 4497 distance=155' 21176-0854 VVO 19AB distance=168' 21176-0854 JOD 21Aa,Ab distance=168' 21347-0724 A 296 distance=169' 21136-0749 SLW1232 distance=171' 21344-0745 YSC 72 distance=172' 21315-0845 HDS3060 distance=173' 21172-0414 BU 161AB distance=173' 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 21238-0635 S 788 93 58.1 1
Show 21237-0630 ITF 36 13 7.3 6
Show 21240-0627 ITF 89 340 23.0 9
Show 21238-0615 ITF 90 266 20.8 20
Show 21232-0611 ITF 81 AB 297 2.8 27
Show 21234-0546 CVR 897 135 15.4 51
Show 21259-0722 SLW1238 136 106.8 57
Show 21274-0701 HDS3053 85 0.1 59
Show 21221-0536 CVR 894 156 11.2 65
Show 21283-0655 GWP3063 115 46.1 70
Show 21227-0757 UC 4463 AB 80 44.9 84
Show 21190-0720 HDS3034 196 0.3 85
Show 21238-0801 TSN 98 52 580.3 86
Show 21300-0637 BRT 517 205 4.4 93
Show 21231-0811 SKF1775 326 1.0 98
Show 21305-0707 LDS6355 93 2.1 104
Show 21168-0635 GWP3050 262 18.3 105
Show 21302-0529 BU 684 137 1.1 116
Show 21297-0752 RST4087 16 1.4 117
Show 21300-0746 GRV1142 225 36.4 117
Show 21300-0524 BU 72 41 1.7 117
Show 21188-0804 GWP3052 20 35.3 117
Show 21192-0501 KPP1599 222 12.2 118
Show 21279-0448 UC 4473 54 42.6 124
Show 21167-0739 STF2781 AB 171 2.7 125
Show 21310-0740 GWP3069 265 31.4 125
Show 21261-0431 KPP2698 132 9.3 129
Show 21210-0837 UC 4450 209 14.0 129
Show Sadalsuud 21316-0534 H 5 76 AB 319 37.6 131
Show Sadalsuud 21316-0534 BU 73 AC 189 61.0 131
Show 21230-0423 CVR 896 105 8.5 133
Show 21193-0440 UC 4441 AB 186 69.9 134
Show 21247-0420 HDS3050 311 0.2 136
Show 21221-0848 TDT2927 195 1.1 136
Show 21251-0417 GWP3058 302 135.8 140
Show 21310-0502 BRT 559 103 3.5 143
Show 21335-0610 LDS4895 206 14.7 145
Show 21188-0847 BU 1503 AB 50 25.8 146
Show 21188-0847 BU 1503 AC 99 137.4 146
Show 21151-0742 GRV1153 181 17.0 146
Show 21323-0521 UC 4487 316 11.2 147
Show 21173-0832 BRT 558 -1 -1.0 153
Show 21137-0610 TDS1121 93 1.3 153
Show 21332-0744 UC 4497 149 40.5 155
Show 21176-0854 VVO 19 AB 126 64.0 168
Show 21176-0854 JOD 21 Aa,Ab 189 0.5 168
Show 21347-0724 A 296 57 3.0 169
Show 21136-0749 SLW1232 187 60.4 171
Show 21344-0745 YSC 72 147 0.2 172
Show 21315-0845 HDS3060 224 0.4 173
Show 21172-0414 BU 161 AB 350 101.2 173

 
 
WDS 21238-0635 : COMPONENTS
 
 
  A
B pa=93.2°
sep=57.72"
 
 
21238-0635 A
 
 
Componente originario normalizzato AB Name HD 203667 Coord arcsec 2000 212350.84-063502.2 Mag 7.65
Spectral class F8 (yellow-white) PmRA -129.00 PmDE -4.0 SAO 145361
HIP 105641 Tycho2 5207-01103-1 HD 203667 GC 29948
BD BD-07 5549
Tycho2
Tycho2 5207-01103-1 Pflag RAmdeg 320.96184610 DEmdeg -6.58395533
PmRA -128.6 PmDE -3.0 E RAmdeg 6 E DEmdeg 7
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.20 EpDEm 1990.76
Num 14 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 8.178 E BTmag 0.019 VTmag 7.651
E VTmag 0.013 Prox 548 TYC T HIP 105641
CCDM RAdeg 320.96214528 DEdeg -6.58394861 EpRA 1990 1.68
EpDE 1990 1.63 E RAdeg 6.3 E DEdeg 6.9 Posflg
Corr -0.2
SAO
SAO 145361 DelFlag RA1950 PmRA1950 -0.0096
DE1950 PmDE1950 0 Vmag 8 SpType F8
Double code Source 70 CatNum 29948 DM BD-07 5549
DMcomp BDsup HD 203667 M HD 0
GC 29948 RA1950rad 5.59032281 DE1950rad -0.1186678 PmRA2000 -0.0094
PmDE2000 -0.003
Hipparcos
Catalog H HIP 105641 Proxy RAhms 21 23 50.92
DEdms -06 35 02.2 Vmag 7.62 VarFlag R Vmag G
RAdeg 320.962 DEdeg -6.58394 AstroRef Plx 16.86
CCDM 21239-0635 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 203667 BD BD-07 5549
CD CP Dm number -07 5549 VIred 0.57
SpType F8 R SpType Coord arcsec 2000 212350.92-063502.2
Hipparcos 2
HIP 105641 Sn 5 So 0 Nc 1
RArad 5.60184654 DErad -0.1149114796 Plx 16.47 PmRA -128.7
PmDE -4.15 E RArad 0.45 E DErad 0.39 E Plx 0.57
E pmRA 0.67 E pmDE 0.42 Hpmag 7.7264 E Hpmag 0.0022
SHp 0.011 VA 0 BV 0.501 E BV 0.015
VI 0.57
 
 
21238-0635 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212354.71-063505.4 Mag 8.27 PmRA -15.00
PmDE -44.0 SAO 145362 Tycho2 5207-00988-1 HD 203668
DM BD-07 5550 Calc delta mag 0.62 Calc coord yes
Tycho2
Tycho2 5207-00988-1 Pflag RAmdeg 320.97744149 DEmdeg -6.58456807
PmRA -13.6 PmDE -44.2 E RAmdeg 10 E DEmdeg 11
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.07 EpDEm 1988.63
Num 11 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 9.750 E BTmag 0.032 VTmag 8.266
E VTmag 0.016 Prox 548 TYC T HIP
CCDM RAdeg 320.97747389 DEdeg -6.58446444 EpRA 1990 1.71
EpDE 1990 1.59 E RAdeg 10.8 E DEdeg 12.0 Posflg
Corr -0.2
SAO
SAO 145362 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 -0.036 Vmag 8.4 SpType K2
Double code Source 26 CatNum 7683 DM BD-07 5550
DMcomp BDsup HD 203668 M HD 0
GC RA1950rad 5.59057003 DE1950rad -0.11866944 PmRA2000 -0.0015
PmDE2000 -0.039