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Doubles in session


Current system
20079-7049
HJ 5162
HD 189898


Nearby doubles
31' : 20017-7052
TDT1922

45' : 20086-7133
I 1042

45' : 20099-7133
HEI 403

51' : 20179-7103
TDT2150

52' : 19576-7045
TDT1877

54' : 20191-7052
HJ 5176AB

57' : 20185-7112
LDS 705

58' : 20165-7011
HEI 274

58' : 19596-7131
HEI 401

69' : 19541-7049
TDT1835

69' : 20068-6941
UC 4087

71' : 20118-7157
KPP1459

71' : 19548-7120
FIN 274

72' : 20196-7133
UC 4147

75' : 20224-7112
HEI 404

76' : 20090-6934
TDT2025

76' : 20072-6933
HDS2866

76' : 20066-6933
UC 4086

83' : 20089-6926
TDT2023

83' : 20080-7212
HEI 402

96' : 20273-7044
TDT2287

97' : 20274-7101
LDS 710

104' : 19541-6932
DON 971

114' : 20230-6926
HDS2912

117' : 20121-6855
TDT2078

120' : 19528-6918
TDT1822



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.

20079-7049 HJ 5162 (HD 189898)

 
 
20h 07m 56.08s -70° 48' 54.2" P.A. 290.00 sep 6.6 mag 7.96,9.90 Sp K0/1III dist. 228.83 pc (746.44 l.y.)
 
 
Coord 2000 20079-7049 Discov num HJ 5162 Comp Coord arcsec 2000 20 07 56.08 -70 48 54.2
Date first 1835 Date last 2020 Obs 18
Pa first 292 Pa last 290.1 P.A. Now (θ) 290.1°
Sep first 8.3 Sep last 6.565 Sep. Now (ρ) 6.565"
Mag pri 7.96 Mag sec 9.90 delta mag (ΔM) 1.94 Spectral class K0/1III (yellow-orange)
Pri motion ra +008 Sec motion ra +008
Pri motion dec +003 Sec motion dec +003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189898 Constellation Pavo SAO 257774 HIP 99162
Tycho2 9311-01838-1 Gaia DR2 6422371873109878400 HD 189898 CP CP-71 2535
Distance 228.83 Distance ly 746.44
 
 
WDS 20079-7049 HJ 5162 (HD 189898) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20079-7049 HJ 5162 2004 13 291 6.8 7.96 9.90 K0/1III D 200756.08-704854.2
20079-7049 HJ 5162 2015 16 291 6.6 7.96 9.90 K0/1III 200756.08-704854.2
20079-7049 HJ 5162 2020 17 290 6.6 7.96 9.90 K0/1III 200756.08-704854.2

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

 
 
WDS 20079-7049 HJ 5162 (HD 189898) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20079-7049 HJ 5162 (HD 189898) : MEASURES
 
 
No records found.

 
 
WDS 20079-7049 (HD 189898) : VIRTUAL EYEPIECE
 
 

20079-7049 HJ 5162A mag 7.96 Sp K0/1III 20079-7049 HJ 5162B sep 3.0 P.A. 318.10 mag 9.9 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20079-7049 (HD 189898) : ALADIN DSS IMAGE @ 20h 07m 56.08s -70° 48' 54.2"
 
 
 
 
WDS 20079-7049 HJ 5162 (HD 189898) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20079-7049 HJ 5162 distance=0' 20017-7052 TDT1922 distance=31' 20086-7133 I 1042 distance=45' 20099-7133 HEI 403 distance=45' 20179-7103 TDT2150 distance=51' 19576-7045 TDT1877 distance=52' 20191-7052 HJ 5176AB distance=54' 20191-7052 BAU 61AC distance=54' 20191-7052 BAU 61AD distance=54' 20185-7112 LDS 705 distance=57' 20165-7011 HEI 274 distance=58' 19596-7131 HEI 401 distance=58' 19541-7049 TDT1835 distance=69' 20068-6941 UC 4087 distance=69' 20118-7157 KPP1459 distance=71' 19548-7120 FIN 274 distance=71' 20196-7133 UC 4147 distance=72' 20224-7112 HEI 404 distance=75' 20090-6934 TDT2025 distance=76' 20072-6933 HDS2866 distance=76' 20066-6933 UC 4086 distance=76' 20089-6926 TDT2023 distance=83' 20080-7212 HEI 402 distance=83' 20273-7044 TDT2287 distance=96' 20274-7101 LDS 710 distance=97' 19541-6932 DON 971 distance=104' 20230-6926 HDS2912 distance=114' 20121-6855 TDT2078 distance=117' 19528-6918 TDT1822 distance=120' 20133-7246 TDT2099 distance=121' 19568-6901 TDT1870 distance=123' 20197-6859 TDT2171 distance=126' 20126-6842 DON 980 distance=129' 20198-7254 TDT2173 distance=137' 20203-7255 B 1892 distance=139' 20202-7257 TDT2184 distance=140' 19512-7248 HJ 5137AB distance=143' 19512-7248 HJ 5137AC distance=143' 19512-7248 SHY 760AD distance=143' 19512-7248 TOK 697Aa,Ab distance=143' 20066-6826 RSS 540AB distance=144' 19515-7256 TVB 312 distance=149' 20008-7320 KPP3058 distance=155' 20045-6814 TDT1952 distance=156' 20094-6808 TDT2032 distance=162' 20015-6811 DON 974 distance=162' 20204-6819 TDT2188 distance=164' 20178-6814 TDT2147 distance=164' 20085-6752 UC 4097 distance=177' 19590-7341 HEI 576 distance=177' 19564-6758 TDT1863AB distance=182' 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 20079-7049 HJ 5162 290 6.6 0
Show 20017-7052 TDT1922 312 0.5 31
Show 20086-7133 I 1042 95 0.8 45
Show 20099-7133 HEI 403 228 2.6 45
Show 20179-7103 TDT2150 81 0.4 51
Show 19576-7045 TDT1877 312 0.4 52
Show 20191-7052 HJ 5176 AB 119 6.6 54
Show 20191-7052 BAU 61 AC 160 13.1 54
Show 20191-7052 BAU 61 AD 184 33.2 54
Show 20185-7112 LDS 705 246 310.9 57
Show 20165-7011 HEI 274 105 0.6 58
Show 19596-7131 HEI 401 341 1.2 58
Show 19541-7049 TDT1835 354 0.6 69
Show 20068-6941 UC 4087 94 43.3 69
Show 20118-7157 KPP1459 129 11.0 71
Show 19548-7120 FIN 274 234 2.9 71
Show 20196-7133 UC 4147 96 20.2 72
Show 20224-7112 HEI 404 351 0.6 75
Show 20090-6934 TDT2025 267 0.5 76
Show 20072-6933 HDS2866 279 0.1 76
Show 20066-6933 UC 4086 92 54.0 76
Show 20089-6926 TDT2023 294 0.7 83
Show 20080-7212 HEI 402 219 2.0 83
Show 20273-7044 TDT2287 42 1.5 96
Show 20274-7101 LDS 710 238 143.1 97
Show 19541-6932 DON 971 62 1.4 104
Show 20230-6926 HDS2912 136 21.8 114
Show 20121-6855 TDT2078 49 0.4 117
Show 19528-6918 TDT1822 7 0.6 120
Show 20133-7246 TDT2099 24 2.3 121
Show 19568-6901 TDT1870 268 0.7 123
Show 20197-6859 TDT2171 103 0.5 126
Show 20126-6842 DON 980 267 2.3 129
Show 20198-7254 TDT2173 216 0.5 137
Show 20203-7255 B 1892 272 3.7 139
Show 20202-7257 TDT2184 4 1.2 140
Show 19512-7248 HJ 5137 AB 208 25.7 143
Show 19512-7248 HJ 5137 AC 314 49.1 143
Show 19512-7248 SHY 760 AD 87 999.9 143
Show 19512-7248 TOK 697 Aa,Ab 250 0.0 143
Show 20066-6826 RSS 540 AB 102 21.9 144
Show 19515-7256 TVB 312 6 6.8 149
Show 20008-7320 KPP3058 17 8.1 155
Show 20045-6814 TDT1952 204 0.5 156
Show 20094-6808 TDT2032 237 2.5 162
Show 20015-6811 DON 974 104 2.0 162
Show 20204-6819 TDT2188 88 2.2 164
Show 20178-6814 TDT2147 55 0.4 164
Show 20085-6752 UC 4097 341 20.6 177
Show 19590-7341 HEI 576 100 0.7 177
Show 19564-6758 TDT1863 AB 309 0.8 182

 
 
WDS 20079-7049 : COMPONENTS
 
 
  A
B pa=318.1°
sep=3.03"
 
 
20079-7049 A
 
 
Name HD 189898 Coord arcsec 2000 200756.08-704854.2 Mag 7.96 Spectral class K0/1III (yellow-orange)
PmRA 8.00 PmDE 3.0 SAO 257774 HIP 99162
Tycho2 9311-01838-1 HD 189898 CP CP-71 2535
Tycho2
Tycho2 9311-01838-1 Pflag RAmdeg 301.98368203 DEmdeg -70.81506267
PmRA 7.0 PmDE 0.9 E RAmdeg 6 E DEmdeg 5
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.41 EpDEm 1991.61
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.6 Q pmRA 1.1
Q pmDE 0.6 BTmag 9.249 E BTmag 0.017 VTmag 7.956
E VTmag 0.011 Prox 66 TYC T HIP 99162
CCDM A RAdeg 301.98363222 DEdeg -70.81506472 EpRA 1990 1.61
EpDE 1990 1.75 E RAdeg 5.6 E DEdeg 4.9 Posflg
Corr 0.1
SAO
SAO 257774 DelFlag RA1950 PmRA1950 0.0014
DE1950 PmDE1950 0 Vmag 8.4 SpType A0
Double code Source 61 CatNum 4305 DM CP-71 2535
DMcomp BDsup HD 189898 M HD 2
GC RA1950rad 5.2474392 DE1950rad -1.23848377 PmRA2000 -0.0007
PmDE2000 -0.001
Hipparcos
Catalog H HIP 99162 Proxy H RAhms 20 07 56.07
DEdms -70 48 54.2 Vmag 7.7 VarFlag R Vmag H
RAdeg 301.984 DEdeg -70.8151 AstroRef A Plx 3.7
CCDM 20079-7049 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 291 Rho 6.619 HD 189898 BD
CD CP CP-71 2535 Dm number -71 2535 VIred 1.04
SpType K0/1III R SpType Coord arcsec 2000 200756.07-704854.2
Hipparcos 2
HIP 99162 Sn 15 So 3 Nc 2
RArad 5.270608758 DErad -1.2359560528 Plx 4.37 PmRA 7.77
PmDE 2.96 E RArad 0.52 E DErad 0.58 E Plx 0.84
E pmRA 0.57 E pmDE 0.63 Hpmag 7.8624 E Hpmag 0.0015
SHp 0.016 VA 0 BV 0.995 E BV 0.012
VI 0.97
CCDM
Ccdm 20079-7049 RComp Comp A Note1
Note2 Discov num DRAs 2.12 DDEs 5.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp K0 PmNote *
PmRA 7 PmDE 0 Dm number -71 2535 Cat1 CPD
Name2 257774 Cat2 SAO HD 189898 M HD
ADS BDS M ADS BDS N IDS IDS 19573S7106A
HIC 99162
 
 
20079-7049 B
 
 
Coord arcsec 2000 200755.67-704851.9 Mag 9.9 PmRA 8.00 PmDE 3.0
Calc delta mag 1.94 Calc coord yes
CCDM
Ccdm 20079-7049 RComp Comp B Note1
Note2 Discov num HJ 5162 DRAs 0.90 DDEs 8.2
R dRAs 10 Year 1835 Theta 292 Rho 6.7
Obs 3 Vmag 10.5 Sp PmNote *
PmRA 37 PmDE 5 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19573S7106B
HIC 99162