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Doubles in session


Current system
18171-4336
HDS 2583
HD 167384


Nearby doubles
19' : 18161-4351
DAM 50

20' : 18161-4353
CPO9261

23' : 18161-4316
I 1357

32' : 18162-4304
LDS 631

38' : 18200-4354
HDS2591

40' : 18143-4309
SHY 740

45' : 18211-4344
BRT1045

52' : 18175-4245
CPO 579

53' : 18210-4406
DON 890

53' : 18210-4407
TDT 813

54' : 18133-4410
BRT1031

58' : 18176-4433
SKF1146

59' : 18174-4434
SKF1021

59' : 18195-4428
CPO 580

61' : 18213-4416
BRT1046

64' : 18218-4413
I 1363

66' : 18136-4430
I 1355

70' : 18183-4444
BRT1041

71' : 18228-4304
KPP3112

77' : 18112-4418
HDS2566

77' : 18135-4230
BRT1033

80' : 18128-4233
BRT1030

80' : 18105-4411
BRT1027

81' : 18222-4434
CPO9265

82' : 18220-4437
CPO9264

82' : 18118-4238
I 1353



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.

18171-4336 HDS 2583 (HD 167384)

 
 
18h 17m 03.81s -43° 35' 41.3" P.A. 10.00 sep 0.1 mag 8.88,9.95 Sp G8/K0III+ dist. 395.26 pc (1289.34 l.y.)
 
 
Coord 2000 18171-4336 Discov num HDS2583 Comp Coord arcsec 2000 18 17 03.81 -43 35 41.3
Date first 1991 Date last 2021 Obs 12
Pa first 190 Pa last 9.8 P.A. Now (θ) 9.8°
Sep first 0.1 Sep last 0.064 Sep. Now (ρ) 0.064"
Mag pri 8.88 Mag sec 9.95 delta mag (ΔM) 1.07 Spectral class G8/K0III+ (yellow)
Pri motion ra +005 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 167384 Constellation Corona Austrina SAO 228868 HIP 89599
Tycho2 7912-00277-1 Gaia DR2 6721194978662666624 HD 167384 CD CD-4312414
CP CP-43 8532 Distance 395.26 Distance ly 1289.34
 
 
ORBITAL ELEMENTS
 
 
Period (P)332.169y Periastron (T)2014.309y Semi-major axis (a)0.196a
Eccentricity (e)0.718 Inclination (i)148.4° Longitude of periastron (ω)291.1°
Node (Ω)8.9° Notes ReferenceTok2018e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 170.8 0.093
2001 167.8 0.089
2002 164.6 0.085
2003 160.9 0.080
2004 156.9 0.076
2005 152.4 0.072
2006 147.2 0.067
2007 141.4 0.063
2008 134.8 0.059
2009 127.4 0.056
2010 118.9 0.053
2011 109.5 0.050
2012 99.3 0.048
2013 88.6 0.048
2014 77.8 0.048
2015 67.3 0.049
2016 57.4 0.051
2017 48.4 0.054
2018 40.2 0.057
2019 32.9 0.060
2020 26.4 0.063
2021 20.6 0.067
2022 15.3 0.070
2023 10.6 0.074
2024 6.3 0.078
2025 2.4 0.081
2026 358.8 0.085
2027 355.5 0.088
2028 352.4 0.091
2029 349.6 0.095
2030 346.9 0.098


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


 
  


wds18171-4336b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18171-4336 HDS 2583 (HD 167384) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2018e orb - Tokovinin, A. 2018IAUDS.195....1T
Tok2018e Inf. Circ. 195, 1, 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
18171-4336 HDS2583 1991 1 190 0.1 8.88 9.95 G8/K0III+ 181703.81-433541.3
18171-4336 HDS2583 2009 3 125 0.1 8.88 9.95 G8/K0III+ 181703.81-433541.3
18171-4336 HDS2583 2013 4 81 0.0 8.88 9.95 G8/K0III+ 181703.81-433541.3
18171-4336 HDS2583 2014 5 75 0.0 8.88 9.95 G8/K0III+ O 181703.81-433541.3
18171-4336 HDS2583 2015 7 64 0.1 8.88 9.95 G8/K0III+ O 181703.81-433541.3
18171-4336 HDS2583 2017 9 50 0.1 8.88 9.95 G8/K0III+ O 181703.81-433541.3
18171-4336 HDS2583 2018 11 30 0.1 8.88 9.95 G8/K0III+ O 181703.81-433541.3
18171-4336 HDS2583 2021 12 10 0.1 8.88 9.95 G8/K0III+ O 181703.81-433541.3

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

 
 
WDS 18171-4336 HDS 2583 (HD 167384) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18171-4336 HDS 2583 (HD 167384) : MEASURES
 
 
No records found.

 
 
WDS 18171-4336 (HD 167384) : VIRTUAL EYEPIECE
 
 

18171-4336 HDS2583A mag 8.88 Sp G8/K0III 18171-4336 HDS2583B sep 0.1 P.A. 7.10 mag 9.95 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 18171-4336 (HD 167384) : ALADIN DSS IMAGE @ 18h 17m 03.81s -43° 35' 41.3"
 
 
 
 
WDS 18171-4336 HDS 2583 (HD 167384) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18171-4336 HDS2583 distance=0' 18161-4351 DAM 50 distance=19' 18161-4353 CPO9261 distance=20' 18161-4316 I 1357 distance=23' 18162-4304 LDS 631 distance=32' 18200-4354 HDS2591 distance=38' 18143-4309 SHY 740 distance=40' 18211-4344 BRT1045 distance=45' 18175-4245 CPO 579 distance=52' 18210-4406 DON 890 distance=53' 18210-4407 TDT 813 distance=53' 18133-4410 BRT1031 distance=54' 18176-4433 SKF1146 distance=58' 18174-4434 SKF1021 distance=59' 18195-4428 CPO 580 distance=59' 18213-4416 BRT1046 distance=61' 18218-4413 I 1363 distance=64' 18136-4430 I 1355 distance=66' 18183-4444 BRT1041 distance=70' 18228-4304 KPP3112 distance=71' 18112-4418 HDS2566 distance=77' 18135-4230 BRT1033 distance=77' 18128-4233 BRT1030 distance=80' 18105-4411 BRT1027 distance=80' 18222-4434 CPO9265 distance=81' 18220-4437 CPO9264 distance=82' 18118-4238 I 1353 distance=82' 18233-4247 COO 224 distance=85' 18243-4407 DUN 221 distance=85' 18096-4400 KPP4087 distance=85' 18115-4435 DON 884 distance=85' 18202-4454 BRT1044 distance=86' 18205-4219 DON 889 distance=86' 18224-4232 TDT 820 distance=87' 18166-4502 BRT1039 distance=87' 18195-4213 BRT1042 distance=87' 18133-4220 BRT1032 distance=87' 18199-4506 CPO 581 distance=95' 18257-4412 DON 898 distance=100' 18117-4500 CPO 574AC distance=102' 18117-4500 CPO 574BC distance=103' 18229-4456 BRT1049 distance=103' 18086-4423 BRT1023 distance=103' 18199-4514 B 2442 distance=104' 18200-4517 KPP1486 distance=107' 18096-4227 BRT1026 distance=108' 18094-4445 BRT1024 distance=108' 18192-4521 I 1360 distance=108' 18074-4409 B 2432 distance=111' 18081-4428 BRT1021 distance=111' 18068-4325 HJ 5014 distance=112' 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 18171-4336 HDS2583 10 0.1
Show 18161-4351 DAM 50 49 3.8 19
Show 18161-4353 CPO9261 25 5.2 20
Show 18161-4316 I 1357 36 6.5 23
Show 18162-4304 LDS 631 274 16.1 32
Show 18200-4354 HDS2591 27 0.3 38
Show 18143-4309 SHY 740 345 999.9 40
Show 18211-4344 BRT1045 74 4.3 45
Show 18175-4245 CPO 579 256 3.0 52
Show 18210-4406 DON 890 235 0.9 53
Show 18210-4407 TDT 813 145 2.1 53
Show 18133-4410 BRT1031 274 6.9 54
Show 18176-4433 SKF1146 152 40.8 58
Show 18174-4434 SKF1021 11 46.2 59
Show 18195-4428 CPO 580 51 3.3 59
Show 18213-4416 BRT1046 311 5.1 61
Show 18218-4413 I 1363 297 0.8 64
Show 18136-4430 I 1355 221 0.4 66
Show 18183-4444 BRT1041 175 3.5 70
Show 18228-4304 KPP3112 334 2.4 71
Show 18112-4418 HDS2566 53 18.1 77
Show 18135-4230 BRT1033 91 2.8 77
Show 18128-4233 BRT1030 7 4.6 80
Show 18105-4411 BRT1027 141 3.8 80
Show 18222-4434 CPO9265 204 4.9 81
Show 18220-4437 CPO9264 179 5.8 82
Show 18118-4238 I 1353 73 1.2 82
Show 18233-4247 COO 224 135 3.0 85
Show 18243-4407 DUN 221 162 74.0 85
Show 18096-4400 KPP4087 355 1.1 85
Show 18115-4435 DON 884 188 6.5 85
Show 18202-4454 BRT1044 143 3.9 86
Show 18205-4219 DON 889 260 0.8 86
Show 18224-4232 TDT 820 237 2.1 87
Show 18166-4502 BRT1039 121 3.6 87
Show 18195-4213 BRT1042 264 7.0 87
Show 18133-4220 BRT1032 93 5.6 87
Show 18199-4506 CPO 581 185 3.5 95
Show 18257-4412 DON 898 24 0.5 100
Show 18117-4500 CPO 574 AC 189 3.9 102
Show 18117-4500 CPO 574 BC 57 7.5 103
Show 18229-4456 BRT1049 121 4.2 103
Show 18086-4423 BRT1023 225 7.4 103
Show 18199-4514 B 2442 250 11.7 104
Show 18200-4517 KPP1486 266 11.2 107
Show 18096-4227 BRT1026 4 5.7 108
Show 18094-4445 BRT1024 233 5.7 108
Show 18192-4521 I 1360 193 0.5 108
Show 18074-4409 B 2432 245 12.5 111
Show 18081-4428 BRT1021 138 3.1 111
Show 18068-4325 HJ 5014 1.8 112

 
 
WDS 18171-4336 : COMPONENTS
 
 
  A
B pa=7.1°
sep=0.06"
 
 
18171-4336 A
 
 
Componente originario normalizzato AB Name HD 167384 Coord arcsec 2000 181703.81-433541.3 Mag 8.88
Spectral class G8/K0III (yellow) PmRA 5.00 PmDE -10.0 SAO 228868
HIP 89599 Tycho2 7912-00277-1 HD 167384 CD CD-4312414
CP CP-43 8532
Tycho2
Tycho2 7912-00277-1 Pflag RAmdeg 274.26588398 DEmdeg -43.59482805
PmRA 7.5 PmDE -8.7 E RAmdeg 7 E DEmdeg 9
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.79 EpDEm 1990.73
Num 8 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 9.295 E BTmag 0.019 VTmag 8.495
E VTmag 0.014 Prox 999 TYC T HIP 89599
CCDM AB RAdeg 274.26586056 DEdeg -43.59480778 EpRA 1990 1.80
EpDE 1990 1.77 E RAdeg 6.9 E DEdeg 8.6 Posflg P
Corr 0.1
SAO
SAO 228868 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.011 Vmag 8 SpType F5
Double code Source 48 CatNum 17217 DM CP-43 8532
DMcomp BDsup HD 167384 M HD 0
GC RA1950rad 4.77103567 DE1950rad -0.76119609 PmRA2000 0.0012
PmDE2000 -0.012
Hipparcos
Catalog H HIP 89599 Proxy H RAhms 18 17 03.81
DEdms -43 35 41.3 Vmag 8.39 VarFlag R Vmag H
RAdeg 274.266 DEdeg -43.5948 AstroRef * Plx 2.69
CCDM 18171-4336 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 190 Rho 0.13 HD 167384 BD
CD CD-4312414 CP CP-43 8532 Dm number -4312414 VIred 0.76
SpType G8/K0III+.. R SpType Coord arcsec 2000 181703.81-433541.3
Hipparcos 2
HIP 89599 Sn 55 So 3 Nc 2
RArad 4.7868422571 DErad -0.7608728735 Plx 2.53 PmRA 4.86
PmDE -11.02 E RArad 0.93 E DErad 0.64 E Plx 1.16
E pmRA 1.28 E pmDE 0.81 Hpmag 8.5347 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.716 E BV 0.016
VI 0.77
CCDM
Ccdm 18171-4336 RComp Comp A Note1
Note2 Discov num DRAs -2.19 DDEs 18.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.9 Sp G8 PmNote *
PmRA 5 PmDE -10 Dm number -4312414 Cat1 CD
Name2 228868 Cat2 SAO HD 167384 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 89599
 
 
18171-4336 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181703.81-433541.2 Mag 9.95 Calc delta mag 1.07
Calc coord yes
CCDM
Ccdm 18171-4336 RComp Comp B Note1
Note2 Discov num HDS DRAs -2.20 DDEs 18.5
R dRAs 82 Year 1991 Theta 190 Rho 0.1
Obs 1 Vmag 9.9 Sp PmNote *
PmRA 5 PmDE -10 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 89599