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Doubles in session


Current system
20047-5144
I 1604
HD 189875


Nearby doubles
30' : 20073-5127
RST1059

31' : 20045-5214
RST1056

42' : 20029-5222
TDT1935

54' : 20097-5212
CPO 615

55' : 20071-5055
BRT1104

59' : 19590-5121
RST1053

61' : 19583-5154
DUN 229AB

62' : 20053-5043
UC 4079

66' : 19590-5106
I 1407

67' : 20022-5246
UC 4069

73' : 20025-5253
HDS2856

82' : 20096-5038
RST1062

83' : 19563-5118
SKF1094

87' : 20093-5029
RST1061

90' : 20135-5222
B 2884

90' : 19587-5034
B 983

91' : 20095-5026
HU 1612

91' : 19550-5149
FIN 31

95' : 19547-5204
BRT2102

99' : 19544-5211
RST1051

103' : 20022-5324
UC 4070

103' : 20026-5003
HDS2857

113' : 20108-5321
TDT2054

113' : 20151-5048
RSS 544

115' : 20127-5019
HJ 5174

116' : 20075-5337
UC 4091



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.

20047-5144 I 1604 (HD 189875)

 
 
20h 04m 41.97s -51° 44' 09.1" P.A. 204.00 sep 1.1 mag 9.57,10.99 Sp A3
 
 
Coord 2000 20047-5144 Discov num I  1604 Comp Coord arcsec 2000 20 04 41.97 -51 44 09.1
Date first 1927 Date last 2016 Obs 6
Pa first 202 Pa last 204.3 P.A. Now (θ) 204.3°
Sep first 1.1 Sep last 1.086 Sep. Now (ρ) 1.086"
Mag pri 9.57 Mag sec 10.99 delta mag (ΔM) 1.42 Spectral class A3 (white)
Pri motion ra +009 Sec motion ra +009
Pri motion dec -011 Sec motion dec -011
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189875 Constellation Telescopium SAO 246421 Tycho2 8404-00138-1
Gaia DR2 6665865350213945984 HD 189875
 
 
WDS 20047-5144 I 1604 (HD 189875) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
I__1895 Ma - Innes, R.T.A. 1895MNRAS..55..312I
I__1895 +Mb MNRAS 55, 312,544, 1895
I__1896 Mb - Innes, R.T.A. 1896JBAA....6..261I
I__1896 J. British Astron. Assoc. 6, 261, 1896
I__1897a Ma - Innes, R.T.A. 1897MNRAS..57..533I
I__1897a MNRAS 57, 533, 1897 (data also in I__1897b, 1897AN....143..171I
I__1897a I__1897c) 1897AN....144...89I
I__1897b Ma - Innes, R.T.A. 1897AN....143..171I
I__1897b AN 143, 171, 1897
I__1897c Ma - Innes, R.T.A. 1897AN....144...89I
I__1897c AN 144, 89, 1897
I__1897d Ma - Innes, R.T.A. 1897AN....145...93I
I__1897d AN 145, 93, 1897
I__1897e Ma - Innes, R.T.A. 1897MNRAS..57..456I
I__1897e +Mb MNRAS 57, 456, 1897
I__1897f Ma - Innes, R.T.A. 1897MNRAS..58...48I
I__1897f MNRAS 58, 48, 1897
I__1897g Ma - Innes, R.T.A. 1897AJ.....18...65I
I__1897g AJ 18, 65, 1897
I__1898 Ma - Innes, R.T.A. 1898AN....146..369I
I__1898 AN 146, 369, 1898
I__1899 Ma - Innes, R.T.A. 1899QB4.C22v2......
I__1899 Ann. Cape Obs. 2, Pt.2, 1899 (Innes Reference Catalog)
I__1901 Ma - Innes, R.T.A. 1901MNRAS..61..575.
I__1901 MNRAS 61, 575, 1901 (data also in I__1905) 1905AnCap...2....4I
I__1902a Ma - Innes, R.T.A. 1902MNRAS..62..470I
I__1902a MNRAS 62, 470, 1902 (data also in I__1905) 1905AnCap...2....4I
I__1902b Ma - Innes, R.T.A. 1902MNRAS..63...76I
I__1902b MNRAS 63, 76, 1902 (some data also in I__1905) 1905AnCap...2....4I
I__1903 - Innes, R.T.A. 1903MNRAS..64..130I
I__1903 MNRAS 64, 130, 1903 (data also in I__1905) 1905AnCap...2....4I
I__1903b Ma - Innes, R.T.A. 1903Obs....26..285I
I__1903b Obs 26, 285, 1903 (some data also in I__1905) 1905AnCap...2....4I
I__1905 Ma - Innes, R.T.A. 1905AnCap...2....4I
I__1905 Ann. Cape Obs. 2, Pt.4, 1905
I__1907 Ma - Innes, R.T.A. 1907Obs....30...61I
I__1907 Obs 30, 61, 1907
I__1908 - Innes, R.T.A. 1908Obs....31..289I
I__1908 Obs 31, 289, 1908 (measures also in I__1909)
I__1909 Ma - Innes, R.T.A. .
I__1909 Transvaal Obs. Circ. 1, 1, 1909
I__1910 Ma - Innes, R.T.A. .
I__1910 Transvaal Obs. Circ. 1, 21, 1910
I__1911 Ma - Innes, R.T.A. .
I__1911 Transvaal Obs. Circ. 1, 61, 1911
I__1912 Ma - Innes, R.T.A. .
I__1912 Transvaal Obs. Circ. 1, 111, 1912
I__1913a Ma - Innes, R.T.A. 1913CiUO....4...31.
I__1913a Union Obs. Johannesburg Circ. 4, 31, 1913
I__1913b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1913CiUO....4...31.
I__1913b Union Obs. Johannesburg Circ. 4, 31, 1913
I__1914 Ma - Innes, R.T.A. 1914CiUO...14...97.
I__1914 Union Obs. Johannesburg Circ. 14, 97, 1914
I__1915a Ma - Innes, R.T.A. 1915CiUO...24..185.
I__1915a Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915b Ma - Innes, R.T.A. (measure by Cox, G.W.) 1915CiUO...24..185.
I__1915b Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915c Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1915CiUO...24..185.
I__1915c Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915d Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1915CiUO...24..185.
I__1915d Union Obs. Johannesburg Circ. 24, 185, 1915
I__1915e - Innes, R.T.A. 1915Obs....38..221I
I__1915e Obs 38, 221, 1915 (measures also in I__1916) 1916CiUO...33..249I
I__1915f - Innes, R.T.A. 1915Obs....38..333I
I__1915f Obs 38, 333, 1915 (measures also in I__1915) 1915CiUO...24..185I
I__1916a Ma - Innes, R.T.A. 1916CiUO...33..249I
I__1916a Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1916CiUO...33..249I
I__1916b Union Obs. Johannesburg Circ. 33, 249, 1916
I__1916c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1916CiUO...33..249I
I__1916c Union Obs. Johannesburg Circ. 33, 249, 1916
I__1917a Ma - Innes, R.T.A. 1917CiUO...37..285I
I__1917a Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917b Ma - Innes, R.T.A. (measure by Johnson, E.L.) 1917CiUO...37..285I
I__1917b Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917c Ma - Innes, R.T.A. (measure by van der Spuy, K.) 1917CiUO...37..285I
I__1917c Union Obs. Johannesburg Circ. 37, 285, 1917
I__1917d Ma - Innes, R.T.A. (measure by Worssell, W.M.) 1917CiUO...37..285I
I__1917d Union Obs. Johannesburg Circ. 37, 285, 1917
I__1918 Ma - Innes, R.T.A. 1918CiUO...41..339I
I__1918 Union Obs. Johannesburg Circ. 41, 339, 1918
I__1927a Ma - Innes, R.T.A. 1927sdsc.book.....I
I__1927a +Po Southern Double Star Cat. 1927
I__1927b Ma - Innes, R.T.A. & van den Bos, W.H. 1927sdsc.book.....I
I__1927b Southern Double Star Cat. 1927
I__1932A Ma - Innes, R.T.A. 1932QB821.A43......
I__1932A cited in ADS (Aitken Double Star Cat.), 1932
I__1948a Ma - Innes, R.T.A. 1948CiUO..106..193I
I__1948a +Po Union Obs. Johannesburg Circ. 106, 193, 1948
I__1948b Ma - Innes, R.T.A. (measure by Simpkins, R.P.) 1948CiUO..106..193I
I__1948b Union Obs. Johannesburg Circ. 106, 193, 1948
I__9999 Ma - Innes, R.T.A. ...................
I__9999 +Mb Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20047-5144 I 1604 1991 5 204 1.0 9.57 10.99 A3 200441.97-514409.1
20047-5144 I 1604 2016 6 204 1.1 9.57 10.99 A3 200441.97-514409.1

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

 
 
WDS 20047-5144 I 1604 (HD 189875) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20047-5144 I 1604 (HD 189875) : MEASURES
 
 
No records found.

 
 
WDS 20047-5144 (HD 189875) : VIRTUAL EYEPIECE
 
 

20047-5144 I 1604A mag 9.57 Sp A3 20047-5144 I 1604B sep 1.0 P.A. 195.60 mag 10.99 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 20047-5144 (HD 189875) : ALADIN DSS IMAGE @ 20h 04m 41.97s -51° 44' 09.1"
 
 
 
 
WDS 20047-5144 I 1604 (HD 189875) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20047-5144 I 1604 distance=0' 20073-5127 RST1059 distance=30' 20045-5214 RST1056 distance=31' 20029-5222 TDT1935 distance=42' 20097-5212 CPO 615 distance=54' 20071-5055 BRT1104 distance=55' 19590-5121 RST1053 distance=59' 19590-5208 HU 1610DE distance=59' 19583-5154 DUN 229AB distance=61' 20053-5043 UC 4079 distance=62' 19590-5106 I 1407 distance=66' 20022-5246 UC 4069 distance=67' 20025-5253 HDS2856 distance=73' 20096-5038 RST1062 distance=82' 19563-5118 SKF1094 distance=83' 20093-5029 RST1061 distance=87' 20135-5222 B 2884 distance=90' 19587-5034 B 983 distance=90' 20095-5026 HU 1612 distance=91' 19550-5149 FIN 31 distance=91' 19547-5204 BRT2102 distance=95' 19544-5211 RST1051 distance=99' 20022-5324 UC 4070 distance=103' 20026-5003 HDS2857 distance=103' 19563-5258 KPP3104BC distance=108' 20108-5321 TDT2054 distance=113' 20151-5048 RSS 544 distance=113' 20127-5019 HJ 5174 distance=115' 20075-5337 UC 4091 distance=116' 20124-5014 I 1046 distance=116' 19596-4958 CPO9292 distance=117' 20165-5233 HU 1614 distance=120' 20164-5236 UC 4132 distance=120' 19522-5115 I 1625AB distance=121' 19522-5115 HJ 5150AC distance=121' 20139-5019 HU 1613 distance=122' 19537-5038 TSN 32 distance=123' 20142-5007 VSP 55 distance=133' 20044-5400 B 462 distance=136' 20135-5336 RST1063 distance=138' 19539-5012 RST1050 distance=138' 20080-5400 UC 4094 distance=139' 19585-5352 TDT1891 distance=140' 19538-5009 HDS2835 distance=140' 20176-5034 HDS2896 distance=141' 20212-5147 HDS2907 distance=154' 19479-5131 TVB 311 distance=158' 20100-4914 KPP1803 distance=158' 19476-5211 TDS1012 distance=160' 19550-5359 LDS 692 distance=161' 19562-5406 HJ 5447 distance=162' 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 20047-5144 I 1604 204 1.1
Show 20073-5127 RST1059 243 0.1 30
Show 20045-5214 RST1056 321 2.3 31
Show 20029-5222 TDT1935 76 0.7 42
Show 20097-5212 CPO 615 247 6.9 54
Show 20071-5055 BRT1104 219 3.7 55
Show 19590-5121 RST1053 202 0.6 59
Show 19590-5208 HU 1610 DE 152 1.9 59
Show 19583-5154 DUN 229 AB 242 80.9 61
Show 20053-5043 UC 4079 78 11.2 62
Show 19590-5106 I 1407 119 5.7 66
Show 20022-5246 UC 4069 90 40.1 67
Show 20025-5253 HDS2856 90 0.6 73
Show 20096-5038 RST1062 351 0.4 82
Show 19563-5118 SKF1094 3 10.8 83
Show 20093-5029 RST1061 282 1.2 87
Show 20135-5222 B 2884 334 8.1 90
Show 19587-5034 B 983 330 1.2 90
Show 20095-5026 HU 1612 63 1.0 91
Show 19550-5149 FIN 31 49 2.1 91
Show 19547-5204 BRT2102 157 3.1 95
Show 19544-5211 RST1051 297 0.6 99
Show 20022-5324 UC 4070 345 43.6 103
Show 20026-5003 HDS2857 6 18.0 103
Show 19563-5258 KPP3104 BC 126 4.9 108
Show 20108-5321 TDT2054 352 0.5 113
Show 20151-5048 RSS 544 167 17.6 113
Show 20127-5019 HJ 5174 266 18.8 115
Show 20075-5337 UC 4091 356 19.4 116
Show 20124-5014 I 1046 51 1.2 116
Show 19596-4958 CPO9292 300 4.3 117
Show 20165-5233 HU 1614 64 1.3 120
Show 20164-5236 UC 4132 173 13.8 120
Show 19522-5115 I 1625 AB 250 12.8 121
Show 19522-5115 HJ 5150 AC 254 27.8 121
Show 20139-5019 HU 1613 142 0.7 122
Show 19537-5038 TSN 32 189 82.4 123
Show 20142-5007 VSP 55 96 0.1 133
Show 20044-5400 B 462 23 1.8 136
Show 20135-5336 RST1063 178 6.0 138
Show 19539-5012 RST1050 214 0.5 138
Show 20080-5400 UC 4094 341 32.4 139
Show 19585-5352 TDT1891 206 2.1 140
Show 19538-5009 HDS2835 23 0.2 140
Show 20176-5034 HDS2896 70 12.8 141
Show 20212-5147 HDS2907 35 0.3 154
Show 19479-5131 TVB 311 267 7.0 158
Show 20100-4914 KPP1803 353 14.0 158
Show 19476-5211 TDS1012 175 0.8 160
Show 19550-5359 LDS 692 67 25.2 161
Show 19562-5406 HJ 5447 266 11.3 162

 
 
WDS 20047-5144 : COMPONENTS
 
 
  A
B pa=195.6°
sep=1.03"
 
 
20047-5144 A
 
 
Componente originario normalizzato AB Name HD 189875 Coord arcsec 2000 200441.97-514409.1 Mag 9.57
Spectral class A3 (white) PmRA 9.00 PmDE -11.0 SAO 246421
Tycho2 8404-00138-1 HD 189875 DM CP-5211613
Tycho2
Tycho2 8404-00138-1 Pflag P RAmdeg 301.17486726 DEmdeg -51.73585723
PmRA 8.9 PmDE -10.6 E RAmdeg 13 E DEmdeg 15
E pmRA 2.1 E pmDE 2.0 EpRAm 1990.58 EpDEm 1989.70
Num 7 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.7 BTmag 9.942 E BTmag 0.026 VTmag 9.571
E VTmag 0.023 Prox 10 TYC T HIP
CCDM RAdeg 301.17485778 DEdeg -51.73579583 EpRA 1990 1.66
EpDE 1990 1.43 E RAdeg 12.5 E DEdeg 16.2 Posflg D
Corr 0.0
SAO
SAO 246421 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.002 Vmag 9.3 SpType A3
Double code Source 42 CatNum 7897 DM CP-5211613
DMcomp BDsup HD 189875 M HD 0
GC RA1950rad 5.23999424 DE1950rad -0.90544055 PmRA2000 0.0015
PmDE2000 -0.006
CCDM
Ccdm 20047-5144 RComp Comp A Note1
Note2 Discov num DRAs -0.02 DDEs -8.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp A3 PmNote *
PmRA 17 PmDE -2 Dm number -5211613 Cat1 CPD
Name2 246421 Cat2 SAO HD 189875 M HD
ADS BDS M ADS BDS N IDS IDS 19571S5201A
HIC
 
 
20047-5144 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200441.94-514410.1 Mag 10.99 PmRA 9.00
PmDE -11.0 Tycho2 8404-00138-2 Calc delta mag 1.42 Calc coord yes
Tycho2
Tycho2 8404-00138-2 Pflag P RAmdeg 301.17486726 DEmdeg -51.73585723
PmRA 8.9 PmDE -10.6 E RAmdeg 13 E DEmdeg 15
E pmRA 2.1 E pmDE 2.0 EpRAm 1990.58 EpDEm 1989.70
Num 7 Q RAmdeg 0.6 Q DEmdeg 0.7 Q pmRA 0.6
Q pmDE 0.7 BTmag 11.287 E BTmag 0.065 VTmag 10.986
E VTmag 0.074 Prox 10 TYC HIP
CCDM RAdeg 301.17468472 DEdeg -51.73603861 EpRA 1990 1.65
EpDE 1990 1.42 E RAdeg 36.9 E DEdeg 47.8 Posflg D
Corr 0.0
CCDM
Ccdm 20047-5144 RComp Comp B Note1
Note2 Discov num I 1604 DRAs DDEs
R dRAs Year 1927 Theta 202 Rho 1.0
Obs 3 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19571S5201B
HIC