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Doubles in session


Current system
21534-7835
I 672


Nearby doubles
19' : 21475-7839
UC 4566

30' : 21582-7901
HDS3122

41' : 21477-7759
LDS6362AB

45' : 21475-7754
DAM 661

67' : 22059-7743
HJ 5310

75' : 21549-7720
HDS3117AB

79' : 21495-7717
I 1050

81' : 21415-7723
BLM 6

82' : 22025-7719
HJ 5301AB

85' : 22025-7716
DAW 231

95' : 22114-7955
UC 4672

101' : 22006-7657
TDT3289

116' : 21366-7652
KPP2099

121' : 21540-8036
HJ 5289

142' : 21345-7627
KPP2244

143' : 21510-7612
HDS3112

146' : 21422-8057
TDT3116

152' : 22031-7607
HJ 5306

157' : 21364-7608
TDT3054

170' : 21528-8124
UC 4588

171' : 21385-8121
NSN 428

176' : 21457-7541
KPP4246

195' : 21503-7521
FAH 2

197' : 21593-7519
TDT3277

221' : 21529-7454
HJ 5295

234' : 21543-7441
KPP4255



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.

21534-7835 I 672

 
 
21h 53m 21.89s -78° 34' 46.1" P.A. 295.00 sep 17.4 mag 7.66,13.50 Sp K0IIICN dist. 232.02 pc (756.85 l.y.)
 
 
Coord 2000 21534-7835 Discov num I   672 Comp Coord arcsec 2000 21 53 21.89 -78 34 46.1
Date first 1909 Date last 2015 Obs 6
Pa first 240 Pa last 294.9 P.A. Now (θ) 294.9°
Sep first 5.0 Sep last 17.443 Sep. Now (ρ) 17.443"
Mag pri 7.66 Mag sec 13.50 delta mag (ΔM) 5.84 Spectral class K0IIICN (yellow-orange)
Pri motion ra +030 Sec motion ra -014
Pri motion dec +008 Sec motion dec +004
Notes
rPM=1.423
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Octans SAO 257971 HIP 108045 Tycho2 9478-00613-1
Gaia DR2 6355447658342808832 HD 207180 GC 30570 CP CP-79 1176
Distance 232.02 Distance ly 756.85
 
 
WDS 21534-7835 I 672 : 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
21534-7835 I 672 2000 4 296 17.2 7.50 13.50 K0IIICN D 215321.89-783446.1
21534-7835 I 672 2010 6 296 16.5 7.66 13.50 K0IIICN 215321.89-783446.1
21534-7835 I 672 2015 6 295 17.4 7.66 13.50 K0IIICN 215321.89-783446.1

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

 
 
WDS 21534-7835 I 672 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21534-7835 I 672 : MEASURES
 
 
No records found.

 
 
WDS 21534-7835 : VIRTUAL EYEPIECE
 
 

21534-7835 I 672A mag 7.66 Sp K0IIICN 21534-7835 I 672B sep 8.0 P.A. 336.90 mag 13.5 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 21534-7835 : ALADIN DSS IMAGE @ 21h 53m 21.89s -78° 34' 46.1"
 
 
 
 
WDS 21534-7835 I 672 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21534-7835 I 672 distance=1' 21475-7839 UC 4566 distance=19' 21582-7901 HDS3122 distance=30' 21477-7759 LDS6362AB distance=41' 21477-7759 LDS6362AC distance=41' 21475-7754 DAM 661 distance=45' 22059-7743 HJ 5310 distance=67' 21549-7720 HDS3117AB distance=75' 21549-7720 SKF 106AC distance=75' 21495-7717 I 1050 distance=79' 21415-7723 BLM 6 distance=81' 22025-7719 SHY 786BC distance=82' 22025-7719 HJ 5301AB distance=82' 22025-7716 DAW 231 distance=85' 22114-7955 UC 4672 distance=95' 22006-7657 TDT3289 distance=101' 21366-7652 KPP2099 distance=116' 21540-8036 HJ 5289 distance=121' 21345-7627 KPP2244 distance=142' 21510-7612 HDS3112 distance=143' 21422-8057 TDT3116 distance=146' 22031-7607 HJ 5306 distance=152' 21364-7608 TDT3054 distance=157' 21528-8124 UC 4588 distance=170' 21385-8121 NSN 428 distance=171' 21457-7541 KPP4246 distance=176' 21503-7521 FAH 2 distance=195' 21593-7519 TDT3277 distance=197' 21529-7454 HJ 5295 distance=221' 21543-7441 KPP4255 distance=234' 21509-8243 HJ 5278 distance=249' 21459-8247 R 334 distance=253' 21376-7426 UC 4513 distance=255' 21479-7414 HJ 5287 distance=262' 21531-7409 KPP3055 distance=266' 22114-8258 UC 4673 distance=267' 22000-7407 B 2499 distance=269' 21378-8301 UC 4515 distance=269' 21509-7403 TDT3189 distance=273' 22133-7356 I 678 distance=288' 21533-7344 TOK 214 distance=292' 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 21534-7835 I 672 295 17.4 1
Show 21475-7839 UC 4566 14 35.6 19
Show 21582-7901 HDS3122 340 0.1 30
Show 21477-7759 LDS6362 AB 132 1.7 41
Show 21477-7759 LDS6362 AC 249 7.7 41
Show 21475-7754 DAM 661 195 1.9 45
Show 22059-7743 HJ 5310 238 8.4 67
Show 21549-7720 HDS3117 AB 119 2.1 75
Show 21549-7720 SKF 106 AC 311 7.6 75
Show 21495-7717 I 1050 87 2.9 79
Show 21415-7723 BLM 6 331 0.1 81
Show 22025-7719 SHY 786 BC 255 999.9 82
Show 22025-7719 HJ 5301 AB 202 10.5 82
Show 22025-7716 DAW 231 275 5.2 85
Show 22114-7955 UC 4672 66 12.7 95
Show 22006-7657 TDT3289 212 3.5 101
Show 21366-7652 KPP2099 105 16.9 116
Show 21540-8036 HJ 5289 47 16.9 121
Show 21345-7627 KPP2244 53 18.6 142
Show 21510-7612 HDS3112 349 1.2 143
Show 21422-8057 TDT3116 98 0.6 146
Show 22031-7607 HJ 5306 71 34.8 152
Show 21364-7608 TDT3054 225 1.5 157
Show 21528-8124 UC 4588 186 16.9 170
Show 21385-8121 NSN 428 86 7.2 171
Show 21457-7541 KPP4246 108 1.3 176
Show 21503-7521 FAH 2 204 14.5 195
Show 21593-7519 TDT3277 157 0.5 197
Show 21529-7454 HJ 5295 203 21.6 221
Show 21543-7441 KPP4255 121 1.9 234
Show 21509-8243 HJ 5278 62 3.3 249
Show 21459-8247 R 334 112 2.8 253
Show 21376-7426 UC 4513 32 30.1 255
Show 21479-7414 HJ 5287 319 5.3 262
Show 21531-7409 KPP3055 11 1.4 266
Show 22114-8258 UC 4673 53 14.9 267
Show 22000-7407 B 2499 358 1.9 269
Show 21378-8301 UC 4515 56 52.5 269
Show 21509-7403 TDT3189 156 0.9 273
Show 22133-7356 I 678 88 2.1 288
Show 21533-7344 TOK 214 113 0.9 292

 
 
WDS 21534-7835 : COMPONENTS
 
 
  A
B pa=336.9°
sep=7.98"
 
 
21534-7835 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 215321.89-783446.1 Mag 7.66 Spectral class K0IIICN (yellow-orange)
PmRA 30.00 PmDE 8.0 SAO 257971 HIP 108045
Tycho2 9478-00613-1 HD 207180 GC 30570 CP CP-79 1176
Tycho2
Tycho2 9478-00613-1 Pflag RAmdeg 328.34156125 DEmdeg -78.57944180
PmRA 31.0 PmDE 7.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.0 E pmDE 1.0 EpRAm 1990.98 EpDEm 1991.10
Num 15 Q RAmdeg 0.6 Q DEmdeg 0.6 Q pmRA 0.6
Q pmDE 0.7 BTmag 9.013 E BTmag 0.016 VTmag 7.663
E VTmag 0.010 Prox 999 TYC T HIP 108045
CCDM RAdeg 328.34119667 DEdeg -78.57945944 EpRA 1990 1.61
EpDE 1990 1.66 E RAdeg 4.8 E DEdeg 4.8 Posflg
Corr 0.0
SAO
SAO 257971 DelFlag RA1950 PmRA1950 0.0102
DE1950 PmDE1950 0.019 Vmag 7.5 SpType K2
Double code Source 70 CatNum 30570 DM CP-79 1176
DMcomp BDsup HD 207180 M HD 0
GC 30570 RA1950rad 5.70640759 DE1950rad -1.375576 PmRA2000 0.007
PmDE2000 0.015
Hipparcos
Catalog H HIP 108045 Proxy RAhms 21 53 21.89
DEdms -78 34 46.1 Vmag 7.54 VarFlag R Vmag H
RAdeg 328.341 DEdeg -78.5795 AstroRef Plx 5.27
CCDM 21534-7835 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 207180 BD
CD CP CP-79 1176 Dm number -79 1176 VIred 1.07
SpType K0IIICN... R SpType Coord arcsec 2000 215321.89-783446.1
Hipparcos 2
HIP 108045 Sn 5 So 0 Nc 1
RArad 5.7306351146 DErad -1.3714702924 Plx 4.31 PmRA 29.58
PmDE 8.1 E RArad 0.41 E DErad 0.42 E Plx 0.52
E pmRA 0.47 E pmDE 0.52 Hpmag 7.7086 E Hpmag 0.0013
SHp 0.014 VA 0 BV 1.139 E BV 0.01
VI 1.1
CCDM
Ccdm 21534-7835 RComp Comp A Note1
Note2 Discov num DRAs -2.02 DDEs 14.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp K2 PmNote *
PmRA 34 PmDE 18 Dm number -79 1176 Cat1 CPD
Name2 257971 Cat2 SAO HD 207180 M HD
ADS BDS M ADS BDS N IDS IDS 21421S7903A
HIC 108045
 
 
21534-7835 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 215320.84-783438.8 Mag 13.5 PmRA -14.00
PmDE 4.0 Calc delta mag 5.84 Calc coord yes
CCDM
Ccdm 21534-7835 RComp Comp B Note1
Note2 Discov num I 672 DRAs DDEs
R dRAs Year Theta 308 Rho 15.0
Obs Vmag 13.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 21421S7903B
HIC