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Doubles in session


Current system
21495-7717
I 1050
HD 206693


Nearby doubles
19' : 21549-7720
HDS3117AB

28' : 21415-7723
BLM 6

38' : 21475-7754
DAM 661

42' : 21477-7759
LDS6362AB

43' : 22006-7657
TDT3289

44' : 22025-7719
HJ 5301AB

44' : 22025-7716
DAW 231

50' : 21366-7652
KPP2099

63' : 22059-7743
HJ 5310

65' : 21510-7612
HDS3112

71' : 21345-7627
KPP2244

79' : 21534-7835
I 672

82' : 21364-7608
TDT3054

83' : 21475-7839
UC 4566

85' : 22031-7607
HJ 5306

97' : 21457-7541
KPP4246

108' : 21582-7901
HDS3122

117' : 21503-7521
FAH 2

124' : 21593-7519
TDT3277

144' : 21529-7454
HJ 5295

157' : 21543-7441
KPP4255

173' : 21334-8002
HJ 5262

176' : 21376-7426
UC 4513

183' : 21479-7414
HJ 5287

188' : 21531-7409
KPP3055

194' : 22000-7407
B 2499



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.

21495-7717 I 1050 (HD 206693)

 
 
21h 49m 26.99s -77° 16' 47.0" P.A. 87.00 sep 2.9 mag 9.54,10.69 Sp G8/K0IV
 
 
Coord 2000 21495-7717 Discov num I  1050 Comp Coord arcsec 2000 21 49 26.99 -77 16 47.0
Date first 1910 Date last 2016 Obs 7
Pa first 100 Pa last 87.1 P.A. Now (θ) 87.1°
Sep first 2.4 Sep last 2.93 Sep. Now (ρ) 2.93"
Mag pri 9.54 Mag sec 10.69 delta mag (ΔM) 1.15 Spectral class G8/K0IV (yellow)
Pri motion ra +040 Sec motion ra +039
Pri motion dec +002 Sec motion dec +003
Notes T (Parallax indicates physical)
rPM=0.035 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 206693 Constellation Octans SAO 257960 Tycho2 9478-00042-1
Gaia DR2 6356427151404543360 HD 206693
 
 
WDS 21495-7717 I 1050 (HD 206693) : 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
21495-7717 I 1050 1991 3 88 2.9 9.54 10.69 G8/K0IV 214926.99-771647.0
21495-7717 I 1050 1998 4 87 2.9 9.54 10.69 G8/K0IV 214926.99-771647.0
21495-7717 I 1050 2015 5 87 2.9 9.54 10.69 G8/K0IV W 214926.99-771647.0
21495-7717 I 1050 2016 7 87 2.9 9.54 10.69 G8/K0IV T 214926.99-771647.0

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

 
 
WDS 21495-7717 I 1050 (HD 206693) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21495-7717 I 1050 (HD 206693) : MEASURES
 
 
No records found.

 
 
WDS 21495-7717 (HD 206693) : VIRTUAL EYEPIECE
 
 

21495-7717 I 1050A mag 9.54 Sp G8/K0IV 21495-7717 I 1050B sep 0.7 P.A. 77.00 mag 10.69 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 21495-7717 (HD 206693) : ALADIN DSS IMAGE @ 21h 49m 26.99s -77° 16' 47.0"
 
 
 
 
WDS 21495-7717 I 1050 (HD 206693) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21495-7717 I 1050 distance=0' 21549-7720 HDS3117AB distance=19' 21549-7720 SKF 106AC distance=19' 21415-7723 BLM 6 distance=28' 21475-7754 DAM 661 distance=38' 21477-7759 LDS6362AB distance=42' 21477-7759 LDS6362AC distance=42' 22006-7657 TDT3289 distance=43' 22025-7719 SHY 786BC distance=43' 22025-7719 HJ 5301AB distance=44' 22025-7716 DAW 231 distance=44' 21366-7652 KPP2099 distance=50' 22059-7743 HJ 5310 distance=63' 21510-7612 HDS3112 distance=65' 21345-7627 KPP2244 distance=71' 21534-7835 I 672 distance=79' 21364-7608 TDT3054 distance=82' 21475-7839 UC 4566 distance=83' 22031-7607 HJ 5306 distance=85' 21457-7541 KPP4246 distance=97' 21582-7901 HDS3122 distance=108' 21503-7521 FAH 2 distance=117' 21593-7519 TDT3277 distance=124' 21529-7454 HJ 5295 distance=144' 21543-7441 KPP4255 distance=157' 21334-8002 HJ 5262 distance=173' 21376-7426 UC 4513 distance=176' 21479-7414 HJ 5287 distance=183' 21531-7409 KPP3055 distance=188' 22000-7407 B 2499 distance=194' 21509-7403 TDT3189 distance=195' 21540-8036 HJ 5289 distance=200' 21318-7405 UC 4484 distance=203' 21312-7401 UC 4483 distance=208' 21533-7344 TOK 214 distance=214' 21306-7351 TDS1131 distance=218' 21422-8057 TDT3116 distance=222' 21540-7334 UC 4593 distance=224' 21506-7325 TDT3188 distance=233' 21328-7332 HJ 5268 distance=234' 21385-8121 NSN 428 distance=246' 21528-8124 UC 4588 distance=248' 21478-7241 HEI 597 distance=276' 21561-7235 HJ 5297 distance=284' 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 21495-7717 I 1050 87 2.9
Show 21549-7720 HDS3117 AB 119 2.1 19
Show 21549-7720 SKF 106 AC 311 7.6 19
Show 21415-7723 BLM 6 331 0.1 28
Show 21475-7754 DAM 661 195 1.9 38
Show 21477-7759 LDS6362 AB 132 1.7 42
Show 21477-7759 LDS6362 AC 249 7.7 42
Show 22006-7657 TDT3289 212 3.5 43
Show 22025-7719 SHY 786 BC 255 999.9 43
Show 22025-7719 HJ 5301 AB 202 10.5 44
Show 22025-7716 DAW 231 275 5.2 44
Show 21366-7652 KPP2099 105 16.9 50
Show 22059-7743 HJ 5310 238 8.4 63
Show 21510-7612 HDS3112 349 1.2 65
Show 21345-7627 KPP2244 53 18.6 71
Show 21534-7835 I 672 295 17.4 79
Show 21364-7608 TDT3054 225 1.5 82
Show 21475-7839 UC 4566 14 35.6 83
Show 22031-7607 HJ 5306 71 34.8 85
Show 21457-7541 KPP4246 108 1.3 97
Show 21582-7901 HDS3122 340 0.1 108
Show 21503-7521 FAH 2 204 14.5 117
Show 21593-7519 TDT3277 157 0.5 124
Show 21529-7454 HJ 5295 203 21.6 144
Show 21543-7441 KPP4255 121 1.9 157
Show 21334-8002 HJ 5262 92 24.2 173
Show 21376-7426 UC 4513 32 30.1 176
Show 21479-7414 HJ 5287 319 5.3 183
Show 21531-7409 KPP3055 11 1.4 188
Show 22000-7407 B 2499 358 1.9 194
Show 21509-7403 TDT3189 156 0.9 195
Show 21540-8036 HJ 5289 47 16.9 200
Show 21318-7405 UC 4484 345 40.3 203
Show 21312-7401 UC 4483 336 46.7 208
Show 21533-7344 TOK 214 113 0.9 214
Show 21306-7351 TDS1131 303 0.9 218
Show 21422-8057 TDT3116 98 0.6 222
Show 21540-7334 UC 4593 2 25.6 224
Show 21506-7325 TDT3188 24 0.5 233
Show 21328-7332 HJ 5268 230 14.3 234
Show 21385-8121 NSN 428 86 7.2 246
Show 21528-8124 UC 4588 186 16.9 248
Show 21478-7241 HEI 597 321 0.2 276
Show 21561-7235 HJ 5297 317 8.6 284

 
 
WDS 21495-7717 : COMPONENTS
 
 
  A
B pa=77.0°
sep=0.66"
 
 
21495-7717 A
 
 
Componente originario normalizzato AB Name HD 206693 Coord arcsec 2000 214926.99-771647.0 Mag 9.54
Spectral class G8/K0IV (yellow) PmRA 40.00 PmDE 2.0 SAO 257960
Tycho2 9478-00042-1 HD 206693 DM CP-77 1518
Tycho2
Tycho2 9478-00042-1 Pflag RAmdeg 327.36244316 DEmdeg -77.27973438
PmRA 7.8 PmDE 1.1 E RAmdeg 13 E DEmdeg 13
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.34 EpDEm 1989.50
Num 5 Q RAmdeg 4.6 Q DEmdeg 0.8 Q pmRA 4.5
Q pmDE 0.8 BTmag 10.568 E BTmag 0.031 VTmag 9.543
E VTmag 0.020 Prox 29 TYC T HIP
CCDM RAdeg 327.36234500 DEdeg -77.27973667 EpRA 1990 1.63
EpDE 1990 1.71 E RAdeg 14.0 E DEdeg 13.9 Posflg D
Corr 0.1
SAO
SAO 257960 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 0 Vmag 9.1 SpType Mb
Double code Source 61 CatNum 4667 DM CP-77 1518
DMcomp BDsup HD 206693 M HD 0
GC RA1950rad 5.69037098 DE1950rad -1.35284729 PmRA2000 -0.001
PmDE2000 -0.003
 
 
21495-7717 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214927.19-771646.9 Mag 10.69 PmRA 39.00
PmDE 3.0 Calc delta mag 1.15 Calc coord yes