20330-7119 I 1047 CD

 
 
20h 33m 23.71s -71° 18' 18.4" P.A. 55.00 sep 22.8 mag 9.29,12.40 Sp F8
 
 
Coord 2000 20330-7119 Discov num I  1047 Comp CD Coord arcsec 2000 20 33 23.71 -71 18 18.4
Date first 1910 Date last 2015 Obs 4
Pa first 90 Pa last 54.9 P.A. Now (θ) 54.9°
Sep first 22.0 Sep last 22.82 Sep. Now (ρ) 22.82"
Mag pri 9.29 Mag sec 12.40 delta mag (ΔM) 3.11 Spectral class F8 (yellow-white)
Pri motion ra +006 Sec motion ra +038
Pri motion dec +018 Sec motion dec -018
Notes
rPM=1.146
This double is not physical.
 
 
20330-7119 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 257820 20 33 02 -71 19 14 I 1047 AB 2016 4 331 6.2 8.21 12.60 4.39
Show HD 194835 257820 20 33 02 -71 19 14 HJ 5544 AC 2015 14 62 118.7 8.21 9.29 1.08
Show 20 33 24 -71 18 18 I 1047 CD 2015 4 55 22.8 9.29 12.40 3.11 <===
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Pavo Tycho2 9316-00686-1 Gaia DR2 6374398806399953664
 
 
WDS 20330-7119 I 1047 CD : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
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
20330-7119 I 1047 CD 2000 2 53 22.6 8.21 12.40 F8 203301.87-711913.6
20330-7119 I 1047 CD 2015 5 55 22.8 9.29 12.40 F8 203323.71-711818.4

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

 
 
WDS 20330-7119 I 1047 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20330-7119 I 1047 CD : MEASURES
 
 
No records found.

 
 
WDS 20330-7119 : VIRTUAL EYEPIECE
 
 

20330-7119 I  1047A mag 8.21 Sp K4III 20330-7119 I  1047B sep 5.5 P.A. 349.90 mag 12.6 20330-7119 I  1047C sep 118.6 P.A. 62.30 mag 9.29 Sp F8 20330-7119 I  1047D sep 130.3 P.A. 58.40 mag 12.4 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 20330-7119 : ALADIN DSS IMAGE @ 20h 33m 23.71s -71° 18' 18.4"
 
 
 
 
WDS 20330-7119 I 1047 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20330-7119  I  1047CD distance=0' 20330-7119  I  1047AB distance=2' 20330-7119  HJ 5544AC distance=2' 20299-7131  TDT2324 distance=21' 20366-7104  DUN 231 distance=21' 20299-7138  FIN 279 distance=26' 20274-7101  LDS 710 distance=34' 20273-7044  TDT2287 distance=46' 20224-7112  HEI 404 distance=54' 20338-7212  UC 4216 distance=54' 20429-7151  TDT2494 distance=56' 20349-7017  TDT2395 distance=62' 20196-7133  UC 4147 distance=68' 20452-7159  HEI 281 distance=70' 20472-7056  TDS1100 distance=71' 20315-7228  TDT2337 distance=71' 20185-7112  LDS 705 distance=72' 20284-7004  HEI 276 distance=75' 20434-7218  TDT2498 distance=76' 20191-7052  HJ 5176AB distance=76' 20191-7052  BAU  61AC distance=76' 20191-7052  BAU  61AD distance=76' 20179-7103  TDT2150 distance=77' 20508-7059  HDS2973 distance=87' 20451-7226  RSS 553 distance=88' 20356-6949  TDT2402 distance=91' 20390-7254  TDT2452 distance=100' 20368-6934  TDT2422 distance=106' 20165-7011  HEI 274 distance=108' 20468-6948  KPP1680 distance=113' 20442-7301  HEI 280 distance=114' 20203-7255  B  1892 distance=115' 20198-7254  TDT2173 distance=115' 20202-7257  TDT2184 distance=116' 20230-6926  HDS2912 distance=125' 20303-6904  HJ 5194 distance=136' 20318-7343  TDT2340 distance=145' 20449-6904  BRT2017 distance=147' 20452-6902  SKF 378 distance=150' 20197-6859  TDT2171 distance=156' 20366-7354  TDT2418 distance=157' 20489-6847  SHY 782 distance=171' 20330-6822  HJ 5200AB distance=176' 20363-6822  TDT2413 distance=178' 20204-6819  TDT2188 distance=192' 20525-7412  TDT2596 distance=194' 20178-6814  TDT2147 distance=202' 20253-6800  TDT2258 distance=203' 20472-6749  DON 991 distance=222' 20169-7449  I  1045 distance=223' 20280-7506  TDT2301 distance=229' 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 20330-7119 I 1047 CD 55 22.8
Show 20330-7119 I 1047 AB 331 6.2 2
Show 20330-7119 HJ 5544 AC 62 118.7 2
Show 20299-7131 TDT2324 107 0.7 21
Show 20366-7104 DUN 231 285 48.8 21
Show 20299-7138 FIN 279 77 0.9 26
Show 20274-7101 LDS 710 238 143.1 34
Show 20273-7044 TDT2287 42 1.5 46
Show 20224-7112 HEI 404 351 0.6 54
Show 20338-7212 UC 4216 279 18.6 54
Show 20429-7151 TDT2494 3 0.5 56
Show 20349-7017 TDT2395 295 2.8 62
Show 20196-7133 UC 4147 96 20.2 68
Show 20452-7159 HEI 281 89 2.6 70
Show 20472-7056 TDS1100 233 0.9 71
Show 20315-7228 TDT2337 100 0.5 71
Show 20185-7112 LDS 705 246 310.9 72
Show 20284-7004 HEI 276 153 1.3 75
Show 20434-7218 TDT2498 13 0.8 76
Show 20191-7052 HJ 5176 AB 119 6.6 76
Show 20191-7052 BAU 61 AC 160 13.1 76
Show 20191-7052 BAU 61 AD 184 33.2 76
Show 20179-7103 TDT2150 81 0.4 77
Show 20508-7059 HDS2973 70 0.7 87
Show 20451-7226 RSS 553 304 18.3 88
Show 20356-6949 TDT2402 166 0.6 91
Show 20390-7254 TDT2452 215 0.7 100
Show 20368-6934 TDT2422 308 0.9 106
Show 20165-7011 HEI 274 105 0.6 108
Show 20468-6948 KPP1680 64 12.9 113
Show 20442-7301 HEI 280 104 0.8 114
Show 20203-7255 B 1892 272 3.7 115
Show 20198-7254 TDT2173 216 0.5 115
Show 20202-7257 TDT2184 4 1.2 116
Show 20230-6926 HDS2912 136 21.8 125
Show 20303-6904 HJ 5194 255 3.6 136
Show 20318-7343 TDT2340 340 0.5 145
Show 20449-6904 BRT2017 6 4.1 147
Show 20452-6902 SKF 378 245 42.0 150
Show 20197-6859 TDT2171 103 0.5 156
Show 20366-7354 TDT2418 336 0.4 157
Show 20489-6847 SHY 782 107 999.9 171
Show 20330-6822 HJ 5200 AB 135 12.1 176
Show 20363-6822 TDT2413 169 0.8 178
Show 20204-6819 TDT2188 88 2.2 192
Show 20525-7412 TDT2596 164 0.8 194
Show 20178-6814 TDT2147 55 0.4 202
Show 20253-6800 TDT2258 72 0.7 203
Show 20472-6749 DON 991 76 2.3 222
Show 20169-7449 I 1045 289 1.1 223
Show 20280-7506 TDT2301 351 2.0 229

 
 
WDS 20330-7119 : COMPONENTS
 
 
  A B C
B pa=349.9°
sep=5.50"
 
C pa=62.3°
sep=118.59"
pa=64.8°
sep=117.05"
 
D pa=58.4°
sep=130.30"
pa=60.7°
sep=128.39"
pa=24.5°
sep=14.42"
 
 
20330-7119 A
 
 
Coord arcsec 2000 203301.87-711913.6 Mag 8.21 Spectral class K4III (yellow-orange) PmRA -17.00
PmDE 17.0 SAO 257820 HIP 101403 Tycho2 9316-00977-1
HD 194835 CP CP-71 2558
Tycho2
Tycho2 9316-00977-1 Pflag RAmdeg 308.25780787 DEmdeg -71.32046279
PmRA -17.0 PmDE 16.5 E RAmdeg 6 E DEmdeg 6
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.84 EpDEm 1990.94
Num 13 Q RAmdeg 0.5 Q DEmdeg 0.7 Q pmRA 0.5
Q pmDE 0.6 BTmag 9.975 E BTmag 0.021 VTmag 8.207
E VTmag 0.011 Prox 999 TYC T HIP 101403
CCDM RAdeg 308.25793139 DEdeg -71.32050111 EpRA 1990 1.66
EpDE 1990 1.67 E RAdeg 6.1 E DEdeg 5.7 Posflg
Corr 0.2
SAO
SAO 257820 DelFlag RA1950 PmRA1950 0.0054
DE1950 PmDE1950 0.058 Vmag 7.5 SpType A0
Double code Source 60 CatNum 2624 DM CP-71 2558
DMcomp BDsup HD 194835 M HD 0
GC RA1950rad 5.35752466 DE1950rad -1.24773756 PmRA2000 0.0031
PmDE2000 0.057
Hipparcos
Catalog H HIP 101403 Proxy RAhms 20 33 01.91
DEdms -71 19 13.8 Vmag 8.02 VarFlag R Vmag H
RAdeg 308.258 DEdeg -71.3205 AstroRef Plx 3.14
CCDM 20332-7119 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 194835 BD
CD CP CP-71 2558 Dm number -71 2558 VIred 1.4
SpType K4III R SpType Coord arcsec 2000 203301.91-711913.8
Hipparcos 2
HIP 101403 Sn 5 So 0 Nc 1
RArad 5.3801161776 DErad -1.2447775797 Plx 2.68 PmRA -15.09
PmDE 17.48 E RArad 0.5 E DErad 0.55 E Plx 0.8
E pmRA 0.53 E pmDE 0.67 Hpmag 8.1575 E Hpmag 0.0013
SHp 0.021 VA 0 BV 1.465 E BV 0.015
VI 1.47
 
 
20330-7119 B
 
 
Coord arcsec 2000 203301.67-711908.2 Mag 12.6 Calc delta mag 4.39 Calc coord yes
 
 
20330-7119 C
 
 
Coord arcsec 2000 203323.71-711818.4 Coord calc 203323.71-711818.4 Mag 9.29 Spectral class F8 (yellow-white)
PmRA 6.00 PmDE 18.0 Tycho2 9316-00686-1 Calc delta mag 1.08
Tycho2
Tycho2 9316-00686-1 Pflag RAmdeg 308.34883885 DEmdeg -71.30506058
PmRA 6.5 PmDE 17.9 E RAmdeg 10 E DEmdeg 9
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.13 EpDEm 1990.46
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.9 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.758 E BTmag 0.019 VTmag 9.286
E VTmag 0.015 Prox 999 TYC T HIP
CCDM RAdeg 308.34879194 DEdeg -71.30510250 EpRA 1990 1.60
EpDE 1990 1.66 E RAdeg 9.5 E DEdeg 8.5 Posflg
Corr 0.2
 
 
20330-7119 D
 
 
Coord arcsec 2000 203324.95-711805.3 Mag 12.4 PmRA 38.00 PmDE -18.0
Calc delta mag 4.19 Calc coord yes