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Current system
21274-0701
HDS 3053
HD 204236


Nearby doubles
15' : 21283-0655
GWP3063

31' : 21259-0722
SLW1238

46' : 21305-0707
LDS6355

47' : 21300-0637
BRT 517

59' : 21238-0635
S 788

60' : 21300-0746
GRV1142

62' : 21240-0627
ITF 89

62' : 21297-0752
RST4087

63' : 21237-0630
ITF 36

67' : 21310-0740
GWP3069

71' : 21238-0615
ITF 90

81' : 21238-0801
TSN 98

81' : 21232-0611
ITF 81AB

89' : 21227-0757
UC 4463AB

96' : 21231-0811
SKF1775

97' : 21332-0744
UC 4497

97' : 21234-0546
CVR 897

101' : 21302-0529
BU 684

103' : 21335-0610
LDS4895

105' : 21300-0524
BU 72

107' : 21316-0534
H 5 76AB
Sadalsuud

111' : 21347-0724
A 296

113' : 21344-0745
YSC 72

117' : 21221-0536
CVR 894

121' : 21315-0845
HDS3060

125' : 21323-0521
UC 4487



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.

21274-0701 HDS 3053 (HD 204236)

 
 
21h 27m 23.25s -07° 00' 56.1" P.A. 85.00 sep 0.1 mag 7.97,9.14 Sp F8+G8 dist. 57.21 pc (186.62 l.y.)
 
 
Coord 2000 21274-0701 Discov num HDS3053 Comp Coord arcsec 2000 21 27 23.25 -07 00 56.1
Date first 1991 Date last 2021 Obs 48
Pa first 172 Pa last 85.3 P.A. Now (θ) 106.1°
Sep first 0.1 Sep last 0.129 Sep. Now (ρ) 0.156"
Mag pri 7.97 Mag sec 9.14 delta mag (ΔM) 1.17 Spectral class F8+G8 (yellow-white/yellow)
Pri motion ra +013 Sec motion ra
Pri motion dec -092 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 204236 Constellation Aquarius SAO 145409 HIP 105947
Tycho2 5207-00130-1 Gaia DR2 6898265656937739648 HD 204236 BD BD-07 5565
Distance 57.21 Distance ly 186.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)20.63y± 0.04 Periastron (T)1995.14y± 0.05 Semi-major axis (a)164.2m± 0.5
Eccentricity (e)0.357± 0.002 Inclination (i)50.4°± 0.3 Longitude of periastron (ω)149.2°± 0.8
Node (Ω)153.2°± 0.5 Notesn ReferenceMit2021
Equinox Last observation2020 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 68.2 0.114
2001 87.2 0.130
2002 101.7 0.149
2003 112.8 0.168
2004 121.8 0.186
2005 129.3 0.200
2006 136.0 0.209
2007 142.2 0.214
2008 148.3 0.212
2009 154.8 0.204
2010 162.0 0.189
2011 170.8 0.167
2012 182.9 0.137
2013 202.5 0.104
2014 237.8 0.079
2015 284.9 0.081
2016 318.9 0.102
2017 342.9 0.112
2018 5.2 0.111
2019 29.1 0.106
2020 53.8 0.108
2021 75.8 0.119
2022 93.0 0.137
2023 106.1 0.156
2024 116.3 0.175
2025 124.7 0.191
2026 131.8 0.204
2027 138.3 0.212
2028 144.5 0.214
2029 150.7 0.210
2030 157.3 0.199


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds21274-0701f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21274-0701 HDS 3053 (HD 204236) : NOTES
 
 
discov_num notes refcode
HDS3053 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 2.27 +/- 1.37, 2.18, and 2.01 Msun, respectively. Mlk2012
Combined solution. Tok2018d
 
 
REFERENCES
 
 
refcode metd author reference
Mit2021 S - Mitrofanova, A., Dyachenko, V., Beskakotov, A., Balega, Y., Maksimov, A. & 2021AJ....162..156M
Mit2021 +orb Rastegaev, D.
Mit2021 AJ 162, 156, 2021
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
Tok2018d orb j Tokovinin, A. 2018AJ....156...48T
Tok2018d AJ 156, 48, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 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
21274-0701 HDS3053 2006 8 139 0.2 7.97 9.14 F8 OD 212723.25-070056.1
21274-0701 HDS3053 2008 12 153 0.2 7.97 9.14 F8 G8 OD 212723.25-070056.1
21274-0701 HDS3053 2009 19 159 0.2 7.97 9.14 F8 G8 OD 212723.25-070056.1
21274-0701 HDS3053 2010 20 166 0.2 7.97 9.14 F8 G8 OD 212723.25-070056.1
21274-0701 HDS3053 2013 25 226 0.1 7.97 9.14 F8 G8 NO 212723.25-070056.1
21274-0701 HDS3053 2014 26 267 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1
21274-0701 HDS3053 2015 28 305 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1
21274-0701 HDS3053 2017 29 353 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1
21274-0701 HDS3053 2018 30 17 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1
21274-0701 HDS3053 2019 31 37 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1
21274-0701 HDS3053 2020 32 72 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1
21274-0701 HDS3053 2021 48 85 0.1 7.97 9.14 F8+G8 NO 212723.25-070056.1

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

 
 
WDS 21274-0701 HDS 3053 (HD 204236) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21274-0701 HDS 3053 (HD 204236) : MEASURES
 
 
No records found.

 
 
WDS 21274-0701 (HD 204236) : VIRTUAL EYEPIECE
 
 

21274-0701 HDS3053A mag 7.97 Sp F8 21274-0701 HDS3053B sep 0.1 P.A. 85.30 mag 9.14 Sp G8 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 21274-0701 (HD 204236) : ALADIN DSS IMAGE @ 21h 27m 23.25s -07° 00' 56.1"
 
 
 
 
WDS 21274-0701 HDS 3053 (HD 204236) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21274-0701 HDS3053 distance=0' 21283-0655 GWP3063 distance=15' 21259-0722 SLW1238 distance=31' 21305-0707 LDS6355 distance=46' 21300-0637 BRT 517 distance=47' 21238-0635 S 788 distance=59' 21300-0746 GRV1142 distance=60' 21240-0627 ITF 89 distance=62' 21297-0752 RST4087 distance=62' 21237-0630 ITF 36 distance=63' 21310-0740 GWP3069 distance=67' 21238-0615 ITF 90 distance=71' 21238-0801 TSN 98 distance=81' 21232-0611 ITF 81AB distance=81' 21227-0757 UC 4463AB distance=89' 21231-0811 SKF1775 distance=96' 21332-0744 UC 4497 distance=97' 21234-0546 CVR 897 distance=97' 21302-0529 BU 684 distance=101' 21335-0610 LDS4895 distance=103' 21300-0524 BU 72 distance=105' 21316-0534 H 5 76AB (Sadalsuud) distance=107' 21316-0534 BU 73AC (Sadalsuud) distance=107' 21347-0724 A 296 distance=111' 21344-0745 YSC 72 distance=113' 21221-0536 CVR 894 distance=117' 21315-0845 HDS3060 distance=121' 21323-0521 UC 4487 distance=125' 21190-0720 HDS3034 distance=127' 21357-0616 J 2353 distance=131' 21310-0502 BRT 559 distance=132' 21221-0848 TDT2927 distance=133' 21279-0448 UC 4473 distance=134' 21210-0837 UC 4450 distance=135' 21315-0902 TDT3008 distance=136' 21188-0804 GWP3052 distance=143' 21370-0617 RST4696 distance=150' 21261-0431 KPP2698 distance=151' 21188-0847 BU 1503AB distance=156' 21188-0847 BU 1503AC distance=156' 21376-0744 HJ 1662 distance=158' 21376-0746 HJ 1663AB distance=160' 21376-0746 HJ 1663AC distance=160' 21168-0635 GWP3050 distance=160' 21373-0554 UC 4512 distance=162' 21378-0751 MCA 68AB (Bunda) distance=163' 21378-0751 DRS 67AC (Bunda) distance=163' 21307-0936 GWP3068 distance=163' 21167-0739 STF2781AB distance=164' 21375-0555 JNN 133 distance=165' 21357-0850 CVR1707 distance=165' 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 21274-0701 HDS3053 85 0.1
Show 21283-0655 GWP3063 115 46.1 15
Show 21259-0722 SLW1238 136 106.8 31
Show 21305-0707 LDS6355 93 2.1 46
Show 21300-0637 BRT 517 205 4.4 47
Show 21238-0635 S 788 93 58.1 59
Show 21300-0746 GRV1142 225 36.4 60
Show 21240-0627 ITF 89 340 23.0 62
Show 21297-0752 RST4087 16 1.4 62
Show 21237-0630 ITF 36 13 7.3 63
Show 21310-0740 GWP3069 265 31.4 67
Show 21238-0615 ITF 90 266 20.8 71
Show 21238-0801 TSN 98 52 580.3 81
Show 21232-0611 ITF 81 AB 297 2.8 81
Show 21227-0757 UC 4463 AB 80 44.9 89
Show 21231-0811 SKF1775 326 1.0 96
Show 21332-0744 UC 4497 149 40.5 97
Show 21234-0546 CVR 897 135 15.4 97
Show 21302-0529 BU 684 137 1.1 101
Show 21335-0610 LDS4895 206 14.7 103
Show 21300-0524 BU 72 41 1.7 105
Show Sadalsuud 21316-0534 H 5 76 AB 319 37.6 107
Show Sadalsuud 21316-0534 BU 73 AC 189 61.0 107
Show 21347-0724 A 296 57 3.0 111
Show 21344-0745 YSC 72 147 0.2 113
Show 21221-0536 CVR 894 156 11.2 117
Show 21315-0845 HDS3060 224 0.4 121
Show 21323-0521 UC 4487 316 11.2 125
Show 21190-0720 HDS3034 196 0.3 127
Show 21357-0616 J 2353 73 3.6 131
Show 21310-0502 BRT 559 103 3.5 132
Show 21221-0848 TDT2927 195 1.1 133
Show 21279-0448 UC 4473 54 42.6 134
Show 21210-0837 UC 4450 209 14.0 135
Show 21315-0902 TDT3008 72 0.5 136
Show 21188-0804 GWP3052 20 35.3 143
Show 21370-0617 RST4696 45 2.2 150
Show 21261-0431 KPP2698 132 9.3 151
Show 21188-0847 BU 1503 AB 50 25.8 156
Show 21188-0847 BU 1503 AC 99 137.4 156
Show 21376-0744 HJ 1662 129 21.9 158
Show 21376-0746 HJ 1663 AB 66 17.2 160
Show 21376-0746 HJ 1663 AC 102 33.2 160
Show 21168-0635 GWP3050 262 18.3 160
Show 21373-0554 UC 4512 303 13.8 162
Show Bunda 21378-0751 MCA 68 AB 79 0.0 163
Show Bunda 21378-0751 DRS 67 AC 222 375.5 163
Show 21307-0936 GWP3068 249 9.5 163
Show 21167-0739 STF2781 AB 171 2.7 164
Show 21375-0555 JNN 133 343 0.2 165
Show 21357-0850 CVR1707 261 5.0 165

 
 
WDS 21274-0701 : COMPONENTS
 
 
  A
B pa=85.3°
sep=0.13"
 
 
21274-0701 A
 
 
Componente originario normalizzato AB Name HD 204236 Coord arcsec 2000 212723.25-070056.1 Mag 7.97
Spectral class F8 (yellow-white) PmRA 13.00 PmDE -92.0 SAO 145409
HIP 105947 Tycho2 5207-00130-1 HD 204236 BD BD-07 5565
Tycho2
Tycho2 5207-00130-1 Pflag RAmdeg 321.84687771 DEmdeg -7.01580725
PmRA 6.7 PmDE -85.2 E RAmdeg 6 E DEmdeg 7
E pmRA 0.9 E pmDE 1.0 EpRAm 1990.78 EpDEm 1990.64
Num 18 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 8.230 E BTmag 0.017 VTmag 7.587
E VTmag 0.012 Prox 999 TYC T HIP 105947
CCDM AB RAdeg 321.84686194 DEdeg -7.01560917 EpRA 1990 1.71
EpDE 1990 1.64 E RAdeg 5.7 E DEdeg 6.5 Posflg P
Corr -0.1
SAO
SAO 145409 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.098 Vmag 7.6 SpType F8
Double code Source 26 CatNum 7706 DM BD-07 5565
DMcomp BDsup HD 204236 M HD 0
GC RA1950rad 5.60572374 DE1950rad -0.1262338 PmRA2000 0.0005
PmDE2000 -0.101
Hipparcos
Catalog H HIP 105947 Proxy H RAhms 21 27 23.25
DEdms -07 00 56.1 Vmag 7.53 VarFlag R Vmag G
RAdeg 321.847 DEdeg -7.0156 AstroRef * Plx 17.11
CCDM 21274-0701 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 172 Rho 0.127 HD 204236 BD BD-07 5565
CD CP Dm number -07 5565 VIred 0.67
SpType F8 R SpType Coord arcsec 2000 212723.25-070056.1
Hipparcos 2
HIP 105947 Sn 55 So 3 Nc 2
RArad 5.6172874659 DErad -0.1224452612 Plx 17.48 PmRA 11.33
PmDE -91.3 E RArad 0.91 E DErad 0.7 E Plx 1.02
E pmRA 1.41 E pmDE 0.84 Hpmag 7.654 E Hpmag 0.0018
SHp 0.009 VA 0 BV 0.599 E BV 0.015
VI 0.67
CCDM
Ccdm 21274-0701 RComp Comp A Note1
Note2 Discov num DRAs -0.74 DDEs 3.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote *
PmRA 13 PmDE -92 Dm number -07 5565 Cat1 BD
Name2 145409 Cat2 SAO HD 204236 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105947
 
 
21274-0701 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212723.26-070056.1 Mag 9.14 Spectral class G8 (yellow)
Calc delta mag 1.17 Calc coord yes
CCDM
Ccdm 21274-0701 RComp Comp B Note1
Note2 Discov num HDS DRAs -0.74 DDEs 3.0
R dRAs 82 Year 1991 Theta 172 Rho 0.1
Obs 1 Vmag 9.1 Sp PmNote *
PmRA 13 PmDE -92 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105947