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Doubles in session


Current system
21068-3631
I 301


Nearby doubles
30' : 21087-3612
UC 4388

50' : 21087-3715
B 1895

56' : 21114-3627
KPP2046

65' : 21097-3725
TDT2796

70' : 21111-3717
COO 242

88' : 21034-3748
TDT2717

88' : 21136-3703
BRT1817

101' : 20595-3718
JSP 820

102' : 21145-3551
UC 4418

105' : 21007-3518
BU 765

105' : 21012-3511
TOK 344AB

112' : 20582-3711
WIS 345

112' : 20583-3548
WSP 133AB

116' : 21065-3826
KIR 23

118' : 21121-3811
HJ 5249

120' : 20584-3735
SKF1251

130' : 20579-3743
HJ 5236

131' : 21176-3619
UC 4431

131' : 20598-3452
TDT2682

132' : 21075-3842
WG 266

132' : 21053-3420
TDT2731

133' : 20576-3745
B 2488

134' : 21103-3424
KPP 629

135' : 20571-3526
B 510

136' : 21030-3838
UC 4365

136' : 21031-3423
UC 4366



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.

21068-3631 I 301

 
 
21h 06m 49.81s -36° 30' 38.9" P.A. 335.00 sep 3.7 mag 9.98,10.72
 
 
Coord 2000 21068-3631 Discov num I   301 Comp Coord arcsec 2000 21 06 49.81 -36 30 38.9
Date first 1898 Date last 2016 Obs 15
Pa first 330 Pa last 335.4 P.A. Now (θ) 335.4°
Sep first 2.5 Sep last 3.667 Sep. Now (ρ) 3.667"
Mag pri 9.98 Mag sec 10.72 delta mag (ΔM) 0.74 Spectral class
Pri motion ra -079 Sec motion ra -079
Pri motion dec -055 Sec motion dec -057
Notes T (Parallax indicates physical)
rPM=0.021 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Microscopium Tycho2 7483-00850-1 Gaia DR2 6776834733772134144
 
 
WDS 21068-3631 I 301 : 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
21068-3631 I 301 1999 12 334 3.3 9.98 10.72 D 210649.81-363038.9
21068-3631 I 301 2015 14 335 3.7 9.98 10.72 210649.81-363038.9
21068-3631 I 301 2016 15 335 3.7 9.98 10.72 T 210649.81-363038.9

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

 
 
WDS 21068-3631 I 301 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21068-3631 I 301 : MEASURES
 
 
No records found.

 
 
WDS 21068-3631 : VIRTUAL EYEPIECE
 
 

21068-3631 I 301A mag 9.98 21068-3631 I 301B sep 3.5 P.A. 339.80 mag 10.72 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 21068-3631 : ALADIN DSS IMAGE @ 21h 06m 49.81s -36° 30' 38.9"
 
 
 
 
WDS 21068-3631 I 301 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21068-3631 I 301 distance=0' 21087-3612 UC 4388 distance=30' 21087-3715 B 1895 distance=50' 21114-3627 KPP2046 distance=56' 21097-3725 TDT2796 distance=65' 21111-3717 COO 242 distance=70' 21034-3748 TDT2717 distance=88' 21136-3703 BRT1817 distance=88' 20595-3718 JSP 820 distance=101' 21145-3551 UC 4418 distance=102' 21007-3518 BU 765 distance=105' 21012-3511 TOK 344AB distance=105' 21012-3511 TOK 344Aa,Ab distance=105' 20582-3711 WIS 345 distance=112' 20583-3548 WSP 133AB distance=112' 20583-3548 WSP 133AC distance=112' 20583-3548 WSP 133AD distance=112' 20583-3548 WSP 133AE distance=112' 21065-3826 KIR 23 distance=116' 21121-3811 HJ 5249 distance=118' 20584-3735 SKF1251 distance=120' 20579-3743 HJ 5236 distance=130' 21176-3619 UC 4431 distance=131' 20598-3452 TDT2682 distance=131' 21075-3842 WG 266 distance=132' 21053-3420 TDT2731 distance=132' 20576-3745 B 2488 distance=133' 21103-3424 KPP 629 distance=134' 20571-3526 B 510 distance=135' 21030-3838 UC 4365 distance=136' 21031-3423 UC 4366 distance=136' 21029-3839 KPP4221CD distance=137' 21125-3430 UC 4403 distance=140' 20570-3748 NSN 489 distance=141' 20593-3820 B 2894 distance=142' 21132-3429 HDS3021 distance=145' 21143-3835 B 520AB distance=153' 21143-3835 HJ 5253AC distance=153' 20539-3658 B 507 distance=158' 20542-3714 BRT1815 distance=159' 20575-3435 BRT1816 distance=163' 21200-3557 UC 4443 distance=163' 21002-3408 KPP4219 distance=165' 21137-3409 KPP3115 distance=166' 21165-3431 BRT1818 distance=169' 21209-3639 B 1006 distance=170' 21140-3858 TDT2844 distance=170' 20562-3828 TDT2645AB distance=173' 21157-3414 RST3280 distance=175' 20593-3902 WG 264 distance=175' 21163-3845 LDS 737 distance=177' 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 21068-3631 I 301 335 3.7
Show 21087-3612 UC 4388 178 73.1 30
Show 21087-3715 B 1895 119 0.9 50
Show 21114-3627 KPP2046 331 16.4 56
Show 21097-3725 TDT2796 263 0.6 65
Show 21111-3717 COO 242 239 5.2 70
Show 21034-3748 TDT2717 255 0.7 88
Show 21136-3703 BRT1817 61 3.6 88
Show 20595-3718 JSP 820 247 1.4 101
Show 21145-3551 UC 4418 283 8.9 102
Show 21007-3518 BU 765 72 0.8 105
Show 21012-3511 TOK 344 AB 61 186.0 105
Show 21012-3511 TOK 344 Aa,Ab 351 0.1 105
Show 20582-3711 WIS 345 7 35.3 112
Show 20583-3548 WSP 133 AB 212 2.4 112
Show 20583-3548 WSP 133 AC 158 16.3 112
Show 20583-3548 WSP 133 AD 339 16.4 112
Show 20583-3548 WSP 133 AE 354 16.6 112
Show 21065-3826 KIR 23 143 42.8 116
Show 21121-3811 HJ 5249 327 23.1 118
Show 20584-3735 SKF1251 217 148.1 120
Show 20579-3743 HJ 5236 308 5.9 130
Show 21176-3619 UC 4431 146 15.1 131
Show 20598-3452 TDT2682 151 2.2 131
Show 21075-3842 WG 266 299 3.4 132
Show 21053-3420 TDT2731 108 2.2 132
Show 20576-3745 B 2488 226 2.4 133
Show 21103-3424 KPP 629 190 5.8 134
Show 20571-3526 B 510 327 3.4 135
Show 21030-3838 UC 4365 207 99.7 136
Show 21031-3423 UC 4366 224 16.9 136
Show 21029-3839 KPP4221 CD 265 4.5 137
Show 21125-3430 UC 4403 263 32.6 140
Show 20570-3748 NSN 489 348 2.7 141
Show 20593-3820 B 2894 311 11.4 142
Show 21132-3429 HDS3021 173 0.3 145
Show 21143-3835 B 520 AB 252 0.8 153
Show 21143-3835 HJ 5253 AC 183 10.4 153
Show 20539-3658 B 507 215 0.5 158
Show 20542-3714 BRT1815 207 4.2 159
Show 20575-3435 BRT1816 180 3.7 163
Show 21200-3557 UC 4443 249 24.4 163
Show 21002-3408 KPP4219 358 2.1 165
Show 21137-3409 KPP3115 183 7.1 166
Show 21165-3431 BRT1818 185 3.3 169
Show 21209-3639 B 1006 151 5.7 170
Show 21140-3858 TDT2844 69 0.5 170
Show 20562-3828 TDT2645 AB 241 0.7 173
Show 21157-3414 RST3280 28 1.8 175
Show 20593-3902 WG 264 82 5.3 175
Show 21163-3845 LDS 737 157 7.2 177

 
 
WDS 21068-3631 : COMPONENTS
 
 
  A
B pa=339.8°
sep=3.55"
 
 
21068-3631 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210649.81-363038.9 Mag 9.98 PmRA -79.00
PmDE -55.0 Tycho2 7483-00850-1
Tycho2
Tycho2 7483-00850-1 Pflag RAmdeg 316.70755096 DEmdeg -36.51080949
PmRA -77.2 PmDE -56.6 E RAmdeg 16 E DEmdeg 21
E pmRA 2.3 E pmDE 2.3 EpRAm 1991.08 EpDEm 1990.54
Num 3 Q RAmdeg 0.1 Q DEmdeg 0.8 Q pmRA 0.1
Q pmDE 0.8 BTmag 10.792 E BTmag 0.035 VTmag 9.980
E VTmag 0.026 Prox 38 TYC T HIP
CCDM RAdeg 316.70777222 DEdeg -36.51067778 EpRA 1990 1.71
EpDE 1990 1.62 E RAdeg 15.6 E DEdeg 20.5 Posflg
Corr -0.1
 
 
21068-3631 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210649.71-363035.6 Mag 10.72 PmRA -79.00
PmDE -57.0 Calc delta mag 0.74 Calc coord yes