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Doubles in session


Current system
20066-6826
RSS 540 AB
HD 189774


Nearby doubles
17' : 20045-6814
TDT1952

24' : 20094-6808
TDT2032

32' : 20015-6811
DON 974

36' : 20085-6752
UC 4097

38' : 20126-6842
DON 980

42' : 20121-6855
TDT2078

52' : 20101-6738
UC 4109

53' : 20105-6738
TDT2049

63' : 20089-6926
TDT2023

63' : 19567-6756
UC 4057

63' : 19564-6758
TDT1863AB

64' : 20178-6814
TDT2147

65' : 19568-6901
TDT1870

68' : 20072-6933
HDS2866

68' : 20066-6933
UC 4086

70' : 20090-6934
TDT2025

72' : 20138-6728
DON 981

76' : 20068-6941
UC 4087

77' : 20204-6819
TDT2188

78' : 19541-6751
UC 4050

80' : 20197-6859
TDT2171

88' : 20192-6735
TDT2164

90' : 19549-6726
LDS 690

91' : 19528-6918
TDT1822

93' : 19562-6714
LDS 691

93' : 20112-6657
TDT2060



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20066-6826 RSS 540 AB (HD 189774)

 
 
20h 06m 33.40s -68° 25' 38.6" P.A. 102.00 sep 21.9 mag 9.30,12.00 Sp F6V dist. 209.21 pc (682.44 l.y.)
 
 
Coord 2000 20066-6826 Discov num RSS 540 Comp AB Coord arcsec 2000 20 06 33.40 -68 25 38.6
Date first 1915 Date last 2016 Obs 8
Pa first 103 Pa last 101.6 P.A. Now (θ) 101.6°
Sep first 21.6 Sep last 21.904 Sep. Now (ρ) 21.904"
Mag pri 9.30 Mag sec 12.00 delta mag (ΔM) 2.7 Spectral class F6V (yellow-white)
Pri motion ra +010 Sec motion ra +015
Pri motion dec -029 Sec motion dec -035
Notes W
rPM=0.205 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189774 Constellation Pavo SAO 254724 HIP 99047
Tycho2 9307-01368-1 HD 189774 CP CP-68 3351 Distance 209.21
Distance ly 682.44
 
 
WDS 20066-6826 RSS 540 AB (HD 189774) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Rss1996 Pa - Rousseau, J.M., Perie, J.P., & Gachard, M.T. 1996A&AS..116..301R
Rss1996 A&AS 116, 301, 1996
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20066-6826 RSS 540 AB 2015 7 102 21.9 9.30 12.00 F6V W 200633.40-682538.6
20066-6826 RSS 540 AB 2016 8 102 21.9 9.30 12.00 F6V W 200633.40-682538.6

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

 
 
WDS 20066-6826 RSS 540 AB (HD 189774) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20066-6826 RSS 540 AB (HD 189774) : MEASURES
 
 
No records found.

 
 
WDS 20066-6826 (HD 189774) : VIRTUAL EYEPIECE
 
 

20066-6826 RSS 540A mag 9.3 Sp F6V 20066-6826 RSS 540B sep 9.0 P.A. 119.20 mag 12 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 20066-6826 (HD 189774) : ALADIN DSS IMAGE @ 20h 06m 33.40s -68° 25' 38.6"
 
 
 
 
WDS 20066-6826 RSS 540 AB (HD 189774) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20066-6826 RSS 540AB distance=0' 20045-6814 TDT1952 distance=17' 20094-6808 TDT2032 distance=24' 20015-6811 DON 974 distance=32' 20085-6752 UC 4097 distance=36' 20126-6842 DON 980 distance=38' 20121-6855 TDT2078 distance=42' 20101-6738 UC 4109 distance=52' 20105-6738 TDT2049 distance=53' 19572-6756 TDT1872CE distance=61' 20089-6926 TDT2023 distance=63' 19567-6756 UC 4057 distance=63' 19564-6758 TDT1863AB distance=63' 20178-6814 TDT2147 distance=64' 19568-6901 TDT1870 distance=65' 20072-6933 HDS2866 distance=68' 20066-6933 UC 4086 distance=68' 20090-6934 TDT2025 distance=70' 20138-6728 DON 981 distance=72' 20068-6941 UC 4087 distance=76' 20204-6819 TDT2188 distance=77' 19541-6751 UC 4050 distance=78' 20197-6859 TDT2171 distance=80' 20192-6735 TDT2164 distance=88' 19512-6759 DON 967DF distance=90' 19549-6726 LDS 690 distance=90' 19528-6918 TDT1822 distance=91' 19562-6714 LDS 691 distance=93' 20112-6657 TDT2060 distance=93' 19548-6721 LDS 689 distance=94' 19541-6932 DON 971 distance=95' 20210-6734 TDS1062 distance=97' 20082-6639 UC 4096 distance=107' 20084-6639 DON 977 distance=108' 20230-6926 HDS2912 distance=108' 20253-6800 TDT2258 distance=108' 19467-6827 TDT1733 distance=110' 20165-7011 HEI 274 distance=118' 20196-6652 WIS 337 distance=120' 19467-6936 TDT1734 distance=128' 20151-6625 KPP 464 distance=131' 19481-6707 HJ 5136 distance=132' 19482-6706 KPP2110 distance=132' 20222-6649 TDS1064 distance=132' 20071-6606 DON 976 distance=137' 20121-6608 UC 4120 distance=142' 20079-7049 HJ 5162 distance=144' 20094-6600 KPP 819 distance=147' 19576-7045 TDT1877 distance=148' 19478-6645 LDS 686 distance=148' 20017-7052 TDT1922 distance=149' 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 20066-6826 RSS 540 AB 102 21.9
Show 20045-6814 TDT1952 204 0.5 17
Show 20094-6808 TDT2032 237 2.5 24
Show 20015-6811 DON 974 104 2.0 32
Show 20085-6752 UC 4097 341 20.6 36
Show 20126-6842 DON 980 267 2.3 38
Show 20121-6855 TDT2078 49 0.4 42
Show 20101-6738 UC 4109 168 48.9 52
Show 20105-6738 TDT2049 214 0.6 53
Show 19572-6756 TDT1872 CE 315 0.5 61
Show 20089-6926 TDT2023 294 0.7 63
Show 19567-6756 UC 4057 259 44.4 63
Show 19564-6758 TDT1863 AB 309 0.8 63
Show 20178-6814 TDT2147 55 0.4 64
Show 19568-6901 TDT1870 268 0.7 65
Show 20072-6933 HDS2866 279 0.1 68
Show 20066-6933 UC 4086 92 54.0 68
Show 20090-6934 TDT2025 267 0.5 70
Show 20138-6728 DON 981 169 3.1 72
Show 20068-6941 UC 4087 94 43.3 76
Show 20204-6819 TDT2188 88 2.2 77
Show 19541-6751 UC 4050 74 25.1 78
Show 20197-6859 TDT2171 103 0.5 80
Show 20192-6735 TDT2164 225 0.6 88
Show 19512-6759 DON 967 DF 342 2.1 90
Show 19549-6726 LDS 690 183 11.9 90
Show 19528-6918 TDT1822 7 0.6 91
Show 19562-6714 LDS 691 131 29.7 93
Show 20112-6657 TDT2060 105 0.5 93
Show 19548-6721 LDS 689 279 8.5 94
Show 19541-6932 DON 971 62 1.4 95
Show 20210-6734 TDS1062 240 1.0 97
Show 20082-6639 UC 4096 97 43.5 107
Show 20084-6639 DON 977 88 5.2 108
Show 20230-6926 HDS2912 136 21.8 108
Show 20253-6800 TDT2258 72 0.7 108
Show 19467-6827 TDT1733 189 0.5 110
Show 20165-7011 HEI 274 105 0.6 118
Show 20196-6652 WIS 337 176 577.1 120
Show 19467-6936 TDT1734 229 0.5 128
Show 20151-6625 KPP 464 112 3.6 131
Show 19481-6707 HJ 5136 97 10.7 132
Show 19482-6706 KPP2110 308 17.1 132
Show 20222-6649 TDS1064 285 0.9 132
Show 20071-6606 DON 976 304 1.1 137
Show 20121-6608 UC 4120 323 15.4 142
Show 20079-7049 HJ 5162 290 6.6 144
Show 20094-6600 KPP 819 173 7.0 147
Show 19576-7045 TDT1877 312 0.4 148
Show 19478-6645 LDS 686 238 39.7 148
Show 20017-7052 TDT1922 312 0.5 149

 
 
WDS 20066-6826 : COMPONENTS
 
 
  A
B pa=119.2°
sep=9.04"
 
 
20066-6826 A
 
 
Name HD 189774 Coord arcsec 2000 200633.40-682538.6 Mag 9.3 Spectral class F6V (yellow-white)
PmRA 10.00 PmDE -29.0 SAO 254724 HIP 99047
Tycho2 9307-01368-1 HD 189774 CP CP-68 3351
Tycho2
Tycho2 9307-01368-1 Pflag RAmdeg 301.63923437 DEmdeg -68.42746758
PmRA 11.5 PmDE -32.4 E RAmdeg 8 E DEmdeg 6
E pmRA 1.4 E pmDE 1.4 EpRAm 1990.51 EpDEm 1991.30
Num 9 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.4 BTmag 9.922 E BTmag 0.017 VTmag 9.331
E VTmag 0.012 Prox 999 TYC T HIP 99047
CCDM RAdeg 301.63916028 DEdeg -68.42739417 EpRA 1990 1.45
EpDE 1990 1.85 E RAdeg 7.7 E DEdeg 5.5 Posflg
Corr 0.2
SAO
SAO 254724 DelFlag RA1950 PmRA1950 -0.0007
DE1950 PmDE1950 -0.035 Vmag 8.7 SpType F8
Double code Source 61 CatNum 4301 DM CP-68 3351
DMcomp BDsup HD 189774 M HD 0
GC RA1950rad 5.24280666 DE1950rad -1.19678403 PmRA2000 -0.0024
PmDE2000 -0.036
Hipparcos
Catalog H HIP 99047 Proxy RAhms 20 06 33.40
DEdms -68 25 38.6 Vmag 9.28 VarFlag R Vmag H
RAdeg 301.639 DEdeg -68.4274 AstroRef Plx 4.82
CCDM 20066-6826 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 189774 BD
CD CP CP-68 3351 Dm number -68 3351 VIred 0.63
SpType F6V R SpType Coord arcsec 2000 200633.40-682538.6
Hipparcos 2
HIP 99047 Sn 5 So 0 Nc 1
RArad 5.264596402 DErad -1.1942833086 Plx 4.78 PmRA 12.2
PmDE -32.31 E RArad 0.56 E DErad 0.83 E Plx 1.23
E pmRA 0.63 E pmDE 0.96 Hpmag 9.4041 E Hpmag 0.0017
SHp 0.029 VA 0 BV 0.552 E BV 0.017
VI 0.62
CCDM
Ccdm 20066-6826 RComp Comp A Note1
Note2 Discov num DRAs -2.60 DDEs 21.5
R dRAs 40 Year Theta Rho
Obs 2 Vmag 9.2 Sp G0 PmNote
PmRA 38 PmDE -22 Dm number -68 3351 Cat1 CPD
Name2 254724 Cat2 SAO HD 189774 M HD
ADS BDS M ADS BDS N IDS * IDS 19565S6843A
HIC 99047
 
 
20066-6826 B
 
 
Coord arcsec 2000 200634.83-682543.0 Mag 12 PmRA 15.00 PmDE -35.0
Calc delta mag 2.7 Calc coord yes
CCDM
Ccdm 20066-6826 RComp Comp B Note1
Note2 Discov num RSU DRAs 1.17 DDEs 17.1
R dRAs 40 Year 1975 Theta 104 Rho 22.3
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 19565S6843B
HIC