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Doubles in session


Current system
20269-3724
R 321
HD 194433


Nearby doubles
28' : 20291-3732
B 486

43' : 20282-3644
BRT1807

54' : 20266-3630
HJ 5198

57' : 20296-3638
RST3260

59' : 20318-3723
RST3262

62' : 20267-3622
DAW 228

68' : 20218-3654
HJ 5189

71' : 20257-3617
LDS 711

77' : 20223-3631
OL 25

79' : 20217-3637
HDS2908

79' : 20217-3813
KPP 471

86' : 20200-3745
TVB 313

87' : 20198-3706
RST3254

93' : 20338-3643
HDS2939

93' : 20268-3551
RST3259

98' : 20255-3548
KPP2300

105' : 20318-3558
RSS 551

108' : 20256-3538
B 990

110' : 20300-3542
BRT1808

110' : 20272-3913
RST2140

115' : 20364-3706
B 2888

116' : 20314-3907
HJ 5203

118' : 20222-3541
I 430

121' : 20369-3713
KPP1356

121' : 20361-3814
HJ 5208

121' : 20168-3733
B 473



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.

20269-3724 R 321 (HD 194433)

 
 
20h 26m 52.97s -37° 24' 10.6" P.A. 123.00 sep 1.6 mag 6.58,8.09 Sp K2IV+K1V dist. 37.33 pc (121.77 l.y.)
 
 
Coord 2000 20269-3724 Discov num R   321 Comp Coord arcsec 2000 20 26 52.97 -37 24 10.6
Date first 1880 Date last 2019 Obs 71
Pa first 97 Pa last 123 P.A. Now (θ) 121.8°
Sep first 1.1 Sep last 1.58 Sep. Now (ρ) 1.599"
Mag pri 6.58 Mag sec 8.09 delta mag (ΔM) 1.51 Spectral class K2IV+K1V (yellow-orange/yellow-orange)
Pri motion ra -249 Sec motion ra -249
Pri motion dec -114 Sec motion dec -114
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194433 Constellation Sagittarius SAO 212126 HIP 100852
Tycho2 7467-01373-1 Gaia DR2 6694723755167180160 HD 194433 HR 7808
GC 28425 CD CD-3713741 Distance 37.33 Distance ly 121.77
 
 
ORBITAL ELEMENTS
 
 
Period (P)186.4192y± 5.9398 Periastron (T)1949.1982y± 0.1812 Semi-major axis (a)1.06149a± 0.01098
Eccentricity (e)0.69564± 0.00946 Inclination (i)139.301°± 1.541 Longitude of periastron (ω)227.418°± 2.218
Node (Ω)152.349°± 1.626 Notes ReferenceIzm2019
Equinox Last observation2013 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 133.2 1.469
2001 132.7 1.479
2002 132.1 1.488
2003 131.6 1.497
2004 131.1 1.506
2005 130.5 1.514
2006 130.0 1.522
2007 129.5 1.529
2008 129.0 1.536
2009 128.5 1.543
2010 128.0 1.549
2011 127.5 1.555
2012 127.0 1.560
2013 126.6 1.565
2014 126.1 1.570
2015 125.6 1.575
2016 125.1 1.579
2017 124.6 1.583
2018 124.2 1.586
2019 123.7 1.589
2020 123.2 1.592
2021 122.8 1.595
2022 122.3 1.597
2023 121.8 1.599
2024 121.4 1.600
2025 120.9 1.602
2026 120.5 1.603
2027 120.0 1.603
2028 119.5 1.604
2029 119.1 1.604
2030 118.6 1.604


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


 
  


wds20269-3724b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20269-3724 R 321 (HD 194433) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 R Russell, H.C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20269-3724 R 321 1999 59 134 1.5 6.58 8.09 K2IV K1V NOD 202652.97-372410.6
20269-3724 R 321 2008 60 128 1.5 6.58 8.09 K2IV K1V NOD 202652.97-372410.6
20269-3724 R 321 2013 63 126 1.6 6.58 8.09 K2IV K1V NO 202652.97-372410.6
20269-3724 R 321 2016 67 128 1.7 6.58 8.09 K2IV+K1V O 202652.97-372410.6
20269-3724 R 321 2017 69 124 1.6 6.58 8.09 K2IV+K1V O 202652.97-372410.6
20269-3724 R 321 2019 70 123 1.6 6.58 8.09 K2IV+K1V O 202652.97-372410.6

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

 
 
WDS 20269-3724 R 321 (HD 194433) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20269-3724 R 321 (HD 194433) : MEASURES
 
 
No records found.

 
 
WDS 20269-3724 (HD 194433) : VIRTUAL EYEPIECE
 
 

20269-3724 R 321A mag 6.58 Sp K2IV 20269-3724 R 321B sep 1.4 P.A. 129.30 mag 8.09 Sp K1V 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 20269-3724 (HD 194433) : ALADIN DSS IMAGE @ 20h 26m 52.97s -37° 24' 10.6"
 
 
 
 
WDS 20269-3724 R 321 (HD 194433) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20269-3724 R 321 distance=0' 20291-3732 B 486 distance=28' 20282-3644 BRT1807 distance=43' 20266-3630 HJ 5198 distance=54' 20296-3638 RST3260 distance=57' 20318-3723 RST3262 distance=59' 20267-3622 DAW 228 distance=62' 20218-3654 HJ 5189 distance=68' 20257-3617 LDS 711 distance=71' 20223-3631 OL 25 distance=77' 20217-3637 HDS2908 distance=79' 20217-3813 KPP 471 distance=79' 20200-3745 TVB 313 distance=86' 20198-3706 RST3254 distance=87' 20338-3643 HDS2939 distance=93' 20268-3551 RST3259 distance=93' 20255-3548 KPP2300 distance=98' 20318-3558 RSS 551 distance=105' 20256-3538 B 990 distance=108' 20300-3542 BRT1808 distance=110' 20272-3913 RST2140 distance=110' 20364-3706 B 2888 distance=115' 20314-3907 HJ 5203 distance=116' 20222-3541 I 430 distance=118' 20369-3713 KPP1356 distance=121' 20361-3814 HJ 5208 distance=121' 20168-3733 B 473 distance=121' 20173-3638 RSS 545 distance=124' 20317-3531 HJ 5205 distance=127' 20211-3530 UC 4156 distance=134' 20320-3925 B 489AB distance=136' 20320-3925 WG 257AC distance=136' 20164-3627 HJ 5183AB distance=139' 20164-3627 HJ 5183AC distance=139' 20243-3944 HDS2917 distance=144' 20166-3841 KPP1571 distance=145' 20381-3627 KPP3107 distance=146' 20266-3955 SCT 2 distance=152' 20401-3920 SEE 422 distance=157' 20199-3938 UC 4148 distance=158' 20296-4000 UC 4200 distance=160' 20187-3932 UC 4143 distance=160' 20247-3445 DAW 226BC distance=163' 20247-3445 HJ 5195AB distance=163' 20247-3445 HJ 5195AC distance=163' 20174-3926 UC 4138 distance=166' 20360-3934 UC 4228 distance=169' 20134-3821 B 472 distance=170' 20209-3450 B 478 distance=171' 20340-3455 TDT2380AB distance=172' 20131-3637 TDT2097 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 20269-3724 R 321 123 1.6
Show 20291-3732 B 486 184 0.3 28
Show 20282-3644 BRT1807 261 3.5 43
Show 20266-3630 HJ 5198 237 9.1 54
Show 20296-3638 RST3260 302 2.2 57
Show 20318-3723 RST3262 67 3.4 59
Show 20267-3622 DAW 228 48 11.7 62
Show 20218-3654 HJ 5189 294 7.5 68
Show 20257-3617 LDS 711 143 9.6 71
Show 20223-3631 OL 25 257 1.7 77
Show 20217-3637 HDS2908 133 0.0 79
Show 20217-3813 KPP 471 209 3.7 79
Show 20200-3745 TVB 313 267 2.5 86
Show 20198-3706 RST3254 40 1.6 87
Show 20338-3643 HDS2939 161 0.3 93
Show 20268-3551 RST3259 112 1.8 93
Show 20255-3548 KPP2300 107 19.4 98
Show 20318-3558 RSS 551 175 15.4 105
Show 20256-3538 B 990 194 2.2 108
Show 20300-3542 BRT1808 146 10.9 110
Show 20272-3913 RST2140 47 1.8 110
Show 20364-3706 B 2888 259 13.3 115
Show 20314-3907 HJ 5203 114 10.1 116
Show 20222-3541 I 430 345 20.7 118
Show 20369-3713 KPP1356 244 10.2 121
Show 20361-3814 HJ 5208 277 9.2 121
Show 20168-3733 B 473 183 2.4 121
Show 20173-3638 RSS 545 132 22.1 124
Show 20317-3531 HJ 5205 36 33.3 127
Show 20211-3530 UC 4156 350 25.7 134
Show 20320-3925 B 489 AB 277 2.1 136
Show 20320-3925 WG 257 AC 238 24.5 136
Show 20164-3627 HJ 5183 AB 229 36.8 139
Show 20164-3627 HJ 5183 AC 179 46.3 139
Show 20243-3944 HDS2917 204 12.3 144
Show 20166-3841 KPP1571 71 11.9 145
Show 20381-3627 KPP3107 325 6.6 146
Show 20266-3955 SCT 2 319 28.4 152
Show 20401-3920 SEE 422 242 20.9 157
Show 20199-3938 UC 4148 227 39.2 158
Show 20296-4000 UC 4200 302 40.7 160
Show 20187-3932 UC 4143 351 60.9 160
Show 20247-3445 DAW 226 BC 137 20.5 163
Show 20247-3445 HJ 5195 AB 115 16.3 163
Show 20247-3445 HJ 5195 AC 127 36.1 163
Show 20174-3926 UC 4138 291 62.0 166
Show 20360-3934 UC 4228 177 45.9 169
Show 20134-3821 B 472 24 1.0 170
Show 20209-3450 B 478 28 6.0 171
Show 20340-3455 TDT2380 AB 76 0.5 172
Show 20131-3637 TDT2097 236 1.2 173

 
 
WDS 20269-3724 : COMPONENTS
 
 
  A
B pa=129.3°
sep=1.36"
 
 
20269-3724 A
 
 
Componente originario normalizzato AB Name HD 194433 Coord arcsec 2000 202652.97-372410.6 Mag 6.58
Spectral class K2IV (yellow-orange) PmRA -249.00 PmDE -114.0 SAO 212126
HIP 100852 Tycho2 7467-01373-1 HD 194433 HR 7808
GC 28425 CD CD-3713741
Tycho2
Tycho2 7467-01373-1 Pflag P RAmdeg 306.72069206 DEmdeg -37.40295304
PmRA -249.2 PmDE -113.7 E RAmdeg 4 E DEmdeg 4
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.69 EpDEm 1991.41
Num 7 Q RAmdeg 2.0 Q DEmdeg 0.8 Q pmRA 2.0
Q pmDE 0.8 BTmag 7.785 E BTmag 0.015 VTmag 6.584
E VTmag 0.010 Prox 14 TYC T HIP 100852
CCDM A RAdeg 306.72135639 DEdeg -37.40263583 EpRA 1990 1.75
EpDE 1990 1.47 E RAdeg 3.8 E DEdeg 4.3 Posflg D
Corr -0.1
SAO
SAO 212126 DelFlag RA1950 PmRA1950 -0.0204
DE1950 PmDE1950 -0.112 Vmag 6.3 SpType K0
Double code Source 70 CatNum 28425 DM CD-3713741
DMcomp BDsup HD 194433 M HD 0
GC 28425 RA1950rad 5.3391726 DE1950rad -0.65565786 PmRA2000 -0.0203
PmDE2000 -0.116
Hipparcos
Catalog H HIP 100852 Proxy H RAhms 20 26 53.14
DEdms -37 24 09.5 Vmag 6.24 VarFlag R Vmag G
RAdeg 306.721 DEdeg -37.4026 AstroRef A Plx 25.21
CCDM 20269-3724 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 138 Rho 1.366 HD 194433 BD
CD CD-3713741 CP Dm number -3713741 VIred 0.95
SpType K1IV R SpType Coord arcsec 2000 202653.14-372409.5
Hipparcos 2
HIP 100852 Sn 15 So 3 Nc 2
RArad 5.3532983579 DErad -0.6527989948 Plx 26.79 PmRA -254.75
PmDE -114.61 E RArad 0.62 E DErad 0.43 E Plx 0.73
E pmRA 1.17 E pmDE 0.83 Hpmag 6.3968 E Hpmag 0.0006
SHp 0.006 VA 0 BV 0.961 E BV 0.003
VI 0.95
CCDM
Ccdm 20269-3724 RComp Comp A Note1
Note2 Discov num DRAs -0.95 DDEs -11.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.7 Sp K1 PmNote *
PmRA -232 PmDE -114 Dm number -3713741 Cat1 CD
Name2 212126 Cat2 SAO HD 194433 M HD
ADS BDS M ADS BDS N IDS IDS 20204S3744A
HIC 100852
 
 
20269-3724 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202653.06-372411.5 Mag 8.09 Spectral class K1V (yellow-orange)
PmRA -249.00 PmDE -114.0 Tycho2 7467-01373-2 Calc delta mag 1.51
Calc coord yes
Tycho2
Tycho2 7467-01373-2 Pflag P RAmdeg 306.72069206 DEmdeg -37.40295304
PmRA -249.2 PmDE -113.7 E RAmdeg 4 E DEmdeg 4
E pmRA 2.1 E pmDE 2.0 EpRAm 1991.69 EpDEm 1991.41
Num 7 Q RAmdeg 2.0 Q DEmdeg 0.8 Q pmRA 2.0
Q pmDE 0.8 BTmag 8.982 E BTmag 0.018 VTmag 8.088
E VTmag 0.013 Prox 14 TYC HIP 100852
CCDM B RAdeg 306.72168000 DEdeg -37.40291944 EpRA 1990 1.75
EpDE 1990 1.49 E RAdeg 6.2 E DEdeg 7.6 Posflg D
Corr -0.1
CCDM
Ccdm 20269-3724 RComp Comp B Note1 *
Note2 Discov num R 321 DRAs DDEs
R dRAs Year 1880 Theta Rho
Obs 99 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20204S3744B
HIC 100852