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Doubles in session


Current system
20267-4334
I 1420
HD 194327


Nearby doubles
37' : 20289-4402
HJ 5201

38' : 20235-4319
TDT2231

46' : 20235-4404
WSP 110AB

47' : 20258-4420
BRT1108

59' : 20280-4237
RSS 36

70' : 20240-4231
DON 984

76' : 20239-4225
BU 763AB

76' : 20228-4437
TDT2223

97' : 20339-4431
I 127AB

102' : 20348-4244
AOT 80

103' : 20225-4203
HJ 5190AB

106' : 20251-4518
DON 985

110' : 20355-4241
AOT 82

110' : 20356-4243
AOT 83

111' : 20336-4457
KPP 626

112' : 20344-4221
DON 988AB

114' : 20351-4226
AOT 81

116' : 20345-4216
NSN 481

116' : 20199-4503
NSN 480

123' : 20322-4521
RST5470AB

127' : 20151-4332
KPP1654

132' : 20149-4403
SKF1164

132' : 20381-4251
UC 4240

133' : 20372-4445
TOK 369

134' : 20377-4236
UC 4238

135' : 20209-4533
SEE 415



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.

20267-4334 I 1420 (HD 194327)

 
 
20h 26m 44.38s -43° 33' 56.4" P.A. 358.00 sep 0.3 mag 9.38,9.61 Sp K0V dist. 45.54 pc (148.55 l.y.)
 
 
Coord 2000 20267-4334 Discov num I  1420 Comp Coord arcsec 2000 20 26 44.38 -43 33 56.4
Date first 1925 Date last 2019 Obs 25
Pa first 344 Pa last 358.3 P.A. Now (θ) 5.2°
Sep first 0.7 Sep last 0.302 Sep. Now (ρ) 0.236"
Mag pri 9.38 Mag sec 9.61 delta mag (ΔM) 0.23 Spectral class K0V (yellow-orange)
Pri motion ra +120 Sec motion ra
Pri motion dec -114 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 194327 Constellation Sagittarius SAO 230207 HIP 100836
Tycho2 7961-01417-1 Gaia DR2 6679053545511522048 HD 194327 CD CD-4313984
CP CP-43 9228 Distance 45.54 Distance ly 148.55
 
 
ORBITAL ELEMENTS
 
 
Period (P)77.81y Periastron (T)1981.04y Semi-major axis (a)0.446a
Eccentricity (e)0.336 Inclination (i)79.3° Longitude of periastron (ω)61.6°
Node (Ω)159.3° Notes ReferenceDoc2019d
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 340.4 0.485
2001 341.1 0.492
2002 341.7 0.496
2003 342.4 0.498
2004 343.0 0.498
2005 343.7 0.496
2006 344.3 0.492
2007 345.0 0.487
2008 345.7 0.480
2009 346.4 0.471
2010 347.1 0.461
2011 347.9 0.450
2012 348.7 0.437
2013 349.6 0.423
2014 350.5 0.408
2015 351.5 0.392
2016 352.6 0.375
2017 353.8 0.357
2018 355.2 0.338
2019 356.7 0.319
2020 358.4 0.299
2021 0.3 0.278
2022 2.5 0.257
2023 5.2 0.236
2024 8.4 0.214
2025 12.3 0.193
2026 17.1 0.172
2027 23.2 0.153
2028 31.0 0.135
2029 41.0 0.120
2030 53.2 0.110


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


 
  


wds20267-4334b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 20267-4334 I 1420 (HD 194327) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Doc2019d orb - Docobo, J.A. & Campo, P. 2019IAUDS.198S...1C
Doc2019d Inf. Circ. 198, 1, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20267-4334 I 1420 1991 20 152 0.3 9.38 9.61 K0V OD 202644.38-433356.4
20267-4334 I 1420 2008 21 346 0.5 9.38 9.61 K0V OD 202644.38-433356.4
20267-4334 I 1420 2010 22 347 0.4 9.38 9.61 K0V OD 202644.38-433356.4
20267-4334 I 1420 2017 23 355 0.3 9.38 9.61 K0V O 202644.38-433356.4
20267-4334 I 1420 2018 24 356 0.3 9.38 9.61 K0V O 202644.38-433356.4
20267-4334 I 1420 2019 25 358 0.3 9.38 9.61 K0V O 202644.38-433356.4

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

 
 
WDS 20267-4334 I 1420 (HD 194327) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20267-4334 I 1420 (HD 194327) : MEASURES
 
 
No records found.

 
 
WDS 20267-4334 (HD 194327) : VIRTUAL EYEPIECE
 
 

20267-4334 I 1420A mag 9.38 Sp K0V 20267-4334 I 1420B sep 0.3 P.A. 358.80 mag 9.61 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 20267-4334 (HD 194327) : ALADIN DSS IMAGE @ 20h 26m 44.38s -43° 33' 56.4"
 
 
 
 
WDS 20267-4334 I 1420 (HD 194327) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20267-4334 I 1420 distance=1' 20289-4402 HJ 5201 distance=37' 20235-4319 TDT2231 distance=38' 20235-4404 WSP 110AB distance=46' 20235-4404 WSP 110AC distance=46' 20258-4420 BRT1108 distance=47' 20280-4237 RSS 36 distance=59' 20240-4231 DON 984 distance=70' 20239-4225 BU 763AB distance=76' 20239-4225 I 1626AC distance=76' 20239-4225 SEE 511AD distance=76' 20228-4437 TDT2223 distance=76' 20339-4431 I 127AB distance=97' 20339-4431 DAM 325AD distance=97' 20339-4431 DAM 325AE distance=97' 20339-4431 I 127BC distance=97' 20348-4244 AOT 80 distance=102' 20225-4203 HJ 5190AB distance=103' 20225-4203 HJ 5190AC distance=103' 20251-4518 DON 985 distance=106' 20355-4241 AOT 82 distance=110' 20356-4243 AOT 83 distance=110' 20336-4457 KPP 626 distance=111' 20344-4221 DON 988AB distance=112' 20344-4221 DON 988AB,C distance=112' 20351-4226 AOT 81 distance=114' 20345-4216 NSN 481 distance=116' 20199-4503 NSN 480 distance=116' 20322-4521 RST5470AB distance=123' 20322-4521 HJ 5204AB,C distance=123' 20151-4332 KPP1654 distance=127' 20149-4403 SKF1164 distance=132' 20381-4251 UC 4240 distance=132' 20372-4445 TOK 369 distance=133' 20377-4236 UC 4238 distance=134' 20209-4533 SEE 415 distance=135' 20203-4529 KPP3105 distance=135' 20391-4345 LDS 717 distance=136' 20148-4258 CPO 616 distance=136' 20385-4425 I 1424 distance=138' 20389-4253 AOT 88 distance=140' 20370-4208 AOT 86 distance=142' 20276-4110 UC 4190 distance=145' 20400-4359 DON 990AB distance=146' 20400-4359 DON 990AC distance=146' 20360-4147 AOT 84 distance=148' 20374-4202 CPO 89 distance=149' 20183-4532 BRT1107 distance=149' 20264-4603 UC 4184 distance=150' 20331-4116 BRT1111 distance=155' 20327-4558 UC 4211 distance=158' 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 20267-4334 I 1420 358 0.3 1
Show 20289-4402 HJ 5201 117 10.7 37
Show 20235-4319 TDT2231 227 0.8 38
Show 20235-4404 WSP 110 AB 114 4.6 46
Show 20235-4404 WSP 110 AC 203 23.5 46
Show 20258-4420 BRT1108 191 12.3 47
Show 20280-4237 RSS 36 267 35.7 59
Show 20240-4231 DON 984 258 0.9 70
Show 20239-4225 BU 763 AB 180 0.5 76
Show 20239-4225 I 1626 AC 268 18.6 76
Show 20239-4225 SEE 511 AD 219 29.8 76
Show 20228-4437 TDT2223 124 2.5 76
Show 20339-4431 I 127 AB 50 62.3 97
Show 20339-4431 DAM 325 AD 91 49.9 97
Show 20339-4431 DAM 325 AE 101 70.0 97
Show 20339-4431 I 127 BC 209 0.6 97
Show 20348-4244 AOT 80 246 11.1 102
Show 20225-4203 HJ 5190 AB 312 40.0 103
Show 20225-4203 HJ 5190 AC 283 56.8 103
Show 20251-4518 DON 985 341 1.8 106
Show 20355-4241 AOT 82 201 4.2 110
Show 20356-4243 AOT 83 116 7.8 110
Show 20336-4457 KPP 626 123 5.7 111
Show 20344-4221 DON 988 AB 118 0.6 112
Show 20344-4221 DON 988 AB,C 89 23.2 112
Show 20351-4226 AOT 81 185 14.1 114
Show 20345-4216 NSN 481 91 1.7 116
Show 20199-4503 NSN 480 216 11.3 116
Show 20322-4521 RST5470 AB 125 0.2 123
Show 20322-4521 HJ 5204 AB,C 35 6.2 123
Show 20151-4332 KPP1654 179 12.7 127
Show 20149-4403 SKF1164 209 66.7 132
Show 20381-4251 UC 4240 351 45.0 132
Show 20372-4445 TOK 369 245 0.5 133
Show 20377-4236 UC 4238 182 83.6 134
Show 20209-4533 SEE 415 97 11.0 135
Show 20203-4529 KPP3105 128 2.3 135
Show 20391-4345 LDS 717 308 22.2 136
Show 20148-4258 CPO 616 312 5.8 136
Show 20385-4425 I 1424 226 2.4 138
Show 20389-4253 AOT 88 55 15.8 140
Show 20370-4208 AOT 86 303 9.1 142
Show 20276-4110 UC 4190 62 27.4 145
Show 20400-4359 DON 990 AB 39 0.3 146
Show 20400-4359 DON 990 AC 292 7.0 146
Show 20360-4147 AOT 84 137 18.9 148
Show 20374-4202 CPO 89 284 16.0 149
Show 20183-4532 BRT1107 317 5.2 149
Show 20264-4603 UC 4184 90 71.7 150
Show 20331-4116 BRT1111 162 4.3 155
Show 20327-4558 UC 4211 347 28.6 158

 
 
WDS 20267-4334 : COMPONENTS
 
 
  A
B pa=358.8°
sep=0.30"
 
 
20267-4334 A
 
 
Componente originario normalizzato AB Name HD 194327 Coord arcsec 2000 202644.38-433356.4 Mag 9.38
Spectral class K0V (yellow-orange) PmRA 120.00 PmDE -114.0 SAO 230207
HIP 100836 Tycho2 7961-01417-1 HD 194327 CD CD-4313984
CP CP-43 9228
Tycho2
Tycho2 7961-01417-1 Pflag RAmdeg 306.68529388 DEmdeg -43.56589397
PmRA 121.4 PmDE -110.2 E RAmdeg 9 E DEmdeg 11
E pmRA 1.0 E pmDE 1.1 EpRAm 1990.03 EpDEm 1989.76
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.2
Q pmDE 1.1 BTmag 9.726 E BTmag 0.024 VTmag 8.727
E VTmag 0.015 Prox 999 TYC T HIP 100836
CCDM AB RAdeg 306.68490722 DEdeg -43.56563472 EpRA 1990 1.70
EpDE 1990 1.56 E RAdeg 9.0 E DEdeg 11.1 Posflg P
Corr -0.1
SAO
SAO 230207 DelFlag RA1950 PmRA1950 0.0104
DE1950 PmDE1950 -0.094 Vmag 8.5 SpType K0
Double code Source 48 CatNum 18798 DM CP-43 9228
DMcomp BDsup HD 194327 M HD 0
GC RA1950rad 5.33770294 DE1950rad -0.76321185 PmRA2000 0.0105
PmDE2000 -0.096
Hipparcos
Catalog H HIP 100836 Proxy H RAhms 20 26 44.38
DEdms -43 33 56.4 Vmag 8.6 VarFlag R Vmag H
RAdeg 306.685 DEdeg -43.5657 AstroRef A Plx 20
CCDM 20267-4334 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 332 Rho 0.317 HD 194327 BD
CD CD-4313984 CP CP-43 9228 Dm number -4313984 VIred 0.94
SpType K0V R SpType Coord arcsec 2000 202644.38-433356.4
Hipparcos 2
HIP 100836 Sn 15 So 3 Nc 2
RArad 5.352661396 DErad -0.7603641457 Plx 21.96 PmRA 120.42
PmDE -123.71 E RArad 1.33 E DErad 0.73 E Plx 1.46
E pmRA 2.35 E pmDE 1.18 Hpmag 8.7385 E Hpmag 0.0021
SHp 0.017 VA 0 BV 0.881 E BV 0.022
VI 0.89
CCDM
Ccdm 20267-4334 RComp Comp A Note1
Note2 Discov num DRAs 2.38 DDEs 4.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.6 Sp K0 PmNote *
PmRA 112 PmDE -94 Dm number -4313984 Cat1 CD
Name2 230207 Cat2 SAO HD 194327 M HD
ADS BDS M ADS BDS N IDS IDS 20199S4353A
HIC 100836
 
 
20267-4334 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202644.38-433356.1 Mag 9.61 Calc delta mag 0.23
Calc coord yes
CCDM
Ccdm 20267-4334 RComp Comp B Note1
Note2 Discov num I 1420 DRAs DDEs
R dRAs Year 1952 Theta 014 Rho 0.1
Obs 10 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20199S4353B
HIC 100836