20043-4724 I 661 (HD 189857)

 
 
20h 04m 15.57s -47 23' 45.3" P.A. 39.00 sep 0.6 mag 10.19,10.22 Sp F8V dist. 174.52 pc (569.28 l.y.)
 
 
Coord 2000 20043-4724 Discov num I   661 Comp Coord arcsec 2000 20 04 15.57 -47 23 45.3
Date first 1909 Date last 1991 Obs 9
Pa first 40 Pa last 39.2 P.A. Now (θ) 39.2°
Sep first 0.5 Sep last 0.56 Sep. Now (ρ) 0.56"
Mag pri 10.19 Mag sec 10.22 delta mag (ΔM) 0.03 Spectral class F8V (yellow-white)
Pri motion ra +025 Sec motion ra +025
Pri motion dec -006 Sec motion dec -006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 189857 Constellation Telescopium SAO 230021 HIP 98837
Tycho2 8396-02262-1 Gaia DR2 6670871598452487168 HD 189857 CD CD-4713226
CP CP-47 9424 Distance 174.52 Distance ly 569.28
 
 
WDS 20043-4724 I 661 (HD 189857) : 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
20043-4724 I 661 1991 9 39 0.6 10.19 10.22 F8V D 200415.57-472345.3

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WDS 20043-4724 I 661 (HD 189857) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20043-4724 I 661 (HD 189857) : MEASURES
 
 
No records found.

 
 
WDS 20043-4724 (HD 189857) : VIRTUAL EYEPIECE
 
 

20043-4724 I   661A mag 10.19 Sp F8V 20043-4724 I   661B sep 0.5 P.A. 28.90 mag 10.22 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20043-4724 (HD 189857) : ALADIN DSS IMAGE @ 20h 04m 15.57s -47 23' 45.3"
 
 
 
 
WDS 20043-4724 I 661 (HD 189857) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20043-4724  I   661 distance=0' 20014-4724  I   256 distance=29' 20060-4659  DAW  26BC distance=31' 20060-4659  DAW  26AB distance=31' 20060-4659  DAW  26AC distance=31' 20062-4649  HJ 5166 distance=41' 20018-4647  UC 4067 distance=45' 20008-4634  RST1054 distance=62' 20093-4643  SIN 114 distance=66' 20095-4641  HJ 5169 distance=69' 20052-4834  HDS2864 distance=71' 20107-4644  I   123 distance=77' 19581-4808  HDS2842 distance=77' 20010-4614  HJ 5160 distance=79' 20109-4806  UC 4114 distance=80' 20086-4618  CPO  88AB distance=80' 20086-4618  UC 4098AC distance=80' 20086-4618  UC 4100BD distance=80' 20119-4704  HJ 5172 distance=80' 19590-4622  HJ 5157 distance=83' 20022-4556  HDS2854 distance=90' 20023-4554  I   660 distance=92' 20041-4547  CPO  87 distance=96' 20106-4612  RSS 542 distance=97' 20039-4543  DAM 629 distance=102' 20091-4856  RST1060 distance=104' 20139-4812  TDT2107 distance=109' 20071-4533  UC 4089 distance=115' 19572-4856  TOI1060 distance=117' 19564-4850  BRT1103 distance=117' 19529-4744  TDT1823 distance=118' 20100-4914  KPP1803 distance=125' 19520-4642  TDT1811 distance=132' 19567-4537  TDT1867 distance=133' 20097-4522  SKF1162BC distance=135' 20097-4522  RSS  35AB distance=135' 20174-4750  UC 4139 distance=136' 20163-4826  LDS 707 distance=138' 20152-4603  HJ 5179 distance=139' 20135-4539  UC 4123 distance=142' 20110-4519  BRT1105 distance=143' 20045-4457  HDS2862 distance=147' 20177-4834  BRT1106 distance=153' 20192-4757  RST1066 distance=155' 20166-4554  I   125 distance=156' 19537-4531  BRT1102 distance=157' 20195-4702  TSN  10 distance=157' 20090-4452  B   986 distance=160' 20026-5003  HDS2857 distance=161' 19596-4958  CPO9292 distance=161' 20177-4557  HJ 5184 distance=164' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 20043-4724 I 661 39 0.6
Show 20014-4724 I 256 189 0.8 29
Show 20060-4659 DAW 26 BC 310 3.2 31
Show 20060-4659 DAW 26 AB 189 4.3 31
Show 20060-4659 DAW 26 AC 235 3.8 31
Show 20062-4649 HJ 5166 249 11.3 41
Show 20018-4647 UC 4067 339 13.5 45
Show 20008-4634 RST1054 2 0.3 62
Show 20093-4643 SIN 114 110 59.8 66
Show 20095-4641 HJ 5169 128 6.0 69
Show 20052-4834 HDS2864 339 0.2 71
Show 20107-4644 I 123 210 6.3 77
Show 19581-4808 HDS2842 76 0.3 77
Show 20010-4614 HJ 5160 164 26.7 79
Show 20109-4806 UC 4114 8 13.9 80
Show 20086-4618 CPO 88 AB 101 57.4 80
Show 20086-4618 UC 4098 AC 216 23.3 80
Show 20086-4618 UC 4100 BD 359 48.2 80
Show 20119-4704 HJ 5172 9 36.7 80
Show 19590-4622 HJ 5157 280 17.5 83
Show 20022-4556 HDS2854 327 0.1 90
Show 20023-4554 I 660 277 1.8 92
Show 20041-4547 CPO 87 5 28.0 96
Show 20106-4612 RSS 542 311 21.9 97
Show 20039-4543 DAM 629 238 10.5 102
Show 20091-4856 RST1060 151 0.2 104
Show 20139-4812 TDT2107 242 0.6 109
Show 20071-4533 UC 4089 300 14.1 115
Show 19572-4856 TOI1060 167 0.3 117
Show 19564-4850 BRT1103 206 4.4 117
Show 19529-4744 TDT1823 80 0.7 118
Show 20100-4914 KPP1803 353 14.0 125
Show 19520-4642 TDT1811 103 2.0 132
Show 19567-4537 TDT1867 229 0.6 133
Show 20097-4522 SKF1162 BC 44 37.6 135
Show 20097-4522 RSS 35 AB 127 47.5 135
Show 20174-4750 UC 4139 4 30.2 136
Show 20163-4826 LDS 707 25 18.3 138
Show 20152-4603 HJ 5179 136 5.8 139
Show 20135-4539 UC 4123 130 22.9 142
Show 20110-4519 BRT1105 55 2.8 143
Show 20045-4457 HDS2862 3 0.4 147
Show 20177-4834 BRT1106 73 4.5 153
Show 20192-4757 RST1066 184 0.5 155
Show 20166-4554 I 125 45 1.5 156
Show 19537-4531 BRT1102 218 5.0 157
Show 20195-4702 TSN 10 87 68.3 157
Show 20090-4452 B 986 105 2.1 160
Show 20026-5003 HDS2857 6 18.0 161
Show 19596-4958 CPO9292 300 4.3 161
Show 20177-4557 HJ 5184 285 12.3 164

 
 
WDS 20043-4724 : COMPONENTS
 
 
  A
B pa=28.9°
sep=0.50"
 
 
20043-4724 A
 
 
Componente originario normalizzato AB Name HD 189857 Coord arcsec 2000 200415.57-472345.3 Mag 10.19
Spectral class F8V (yellow-white) PmRA 25.00 PmDE -6.0 SAO 230021
HIP 98837 Tycho2 8396-02262-1 HD 189857 CD CD-4713226
CP CP-47 9424
Tycho2
Tycho2 8396-02262-1 Pflag RAmdeg 301.06493920 DEmdeg -47.39586886
PmRA 25.0 PmDE -5.9 E RAmdeg 15 E DEmdeg 17
E pmRA 1.5 E pmDE 1.2 EpRAm 1989.79 EpDEm 1985.73
Num 6 Q RAmdeg 1.3 Q DEmdeg 1.1 Q pmRA 1.3
Q pmDE 1.2 BTmag 10.220 E BTmag 0.031 VTmag 9.581
E VTmag 0.024 Prox 999 TYC T HIP 98837
CCDM AB RAdeg 301.06485306 DEdeg -47.39585389 EpRA 1990 1.66
EpDE 1990 1.48 E RAdeg 15.1 E DEdeg 19.2 Posflg P
Corr 0.1
SAO
SAO 230021 DelFlag RA1950 PmRA1950 0.002
DE1950 PmDE1950 -0.001 Vmag 9.3 SpType F8
Double code Source 48 CatNum 18577 DM CP-47 9424
DMcomp BDsup HD 189857 M HD 0
GC RA1950rad 5.23881841 DE1950rad -0.82968473 PmRA2000 0.0019
PmDE2000 -0.004
Hipparcos
Catalog H HIP 98837 Proxy H RAhms 20 04 15.55
DEdms -47 23 45.3 Vmag 9.34 VarFlag R Vmag H
RAdeg 301.065 DEdeg -47.3959 AstroRef A Plx 6.27
CCDM 20043-4724 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 41 Rho 0.659 HD 189857 BD
CD CD-4713226 CP CP-47 9424 Dm number -4713226 VIred 0.64
SpType F8V R SpType Coord arcsec 2000 200415.55-472345.3
Hipparcos 2
HIP 98837 Sn 15 So 3 Nc 2
RArad 5.2545720521 DErad -0.8272145812 Plx 5.73 PmRA 17.78
PmDE -8.91 E RArad 2.06 E DErad 1.72 E Plx 2.32
E pmRA 3.44 E pmDE 3.64 Hpmag 9.4613 E Hpmag 0.0025
SHp 0.022 VA 0 BV 0.564 E BV 0.005
VI 0.64
CCDM
Ccdm 20043-4724 RComp Comp A Note1
Note2 Discov num DRAs -2.52 DDEs 15.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp F8 PmNote *
PmRA 20 PmDE -1 Dm number -4713226 Cat1 CD
Name2 230021 Cat2 SAO HD 189857 M HD
ADS BDS M ADS BDS N IDS IDS 19570S4741A
HIC 98837
 
 
20043-4724 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200415.59-472344.9 Mag 10.22 PmRA 25.00
PmDE -6.0 Calc delta mag 0.03 Calc coord yes
CCDM
Ccdm 20043-4724 RComp Comp B Note1
Note2 Discov num I 661 DRAs DDEs
R dRAs Year 1932 Theta 037 Rho 0.6
Obs 3 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19570S4741B
HIC 98837