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Doubles in session


Current system
12100-3442
JC 17 AB
HD 105686


Nearby doubles
35' : 12094-3409
RST2782

38' : 12071-3432
RST2780

43' : 12070-3501
TSN 157

49' : 12063-3428
B 1205

51' : 12062-3459
UC 2269

51' : 12085-3530
HDS1713

52' : 12130-3405
KPP2723

53' : 12101-3349
OL 44

64' : 12051-3502
JSP 510

66' : 12053-3511
LDS 854

71' : 12136-3348
HWE 72

72' : 12152-3513
JSP 521

75' : 12123-3552
TDS8264

78' : 12059-3542
SEE 144

79' : 12164-3444
JSP 522

82' : 12035-3436
B 1204

82' : 12165-3427
TDS8296

82' : 12107-3604
KPP 628

83' : 12147-3541
TDS8282

87' : 12093-3316
KPP2092

87' : 12147-3337
TDS8281

88' : 12041-3531
UC 2261

100' : 12098-3621
TDS8251

101' : 12167-3542
UC 2307

103' : 12018-3439
I 215AB

105' : 12184-3504
KPP1731



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.

12100-3442 JC 17 AB (HD 105686)

 
 
12h 10m 02.55s -34° 42' 17.2" P.A. 17.00 sep 3.8 mag 6.35,8.00 Sp A0V dist. 98.81 pc (322.32 l.y.)
 
 
Coord 2000 12100-3442 Discov num JC   17 Comp AB Coord arcsec 2000 12 10 02.55 -34 42 17.2
Date first 1848 Date last 2015 Obs 36
Pa first 22 Pa last 17 P.A. Now (θ) 17°
Sep first 3.2 Sep last 3.756 Sep. Now (ρ) 3.756"
Mag pri 6.35 Mag sec 8.00 delta mag (ΔM) 1.65 Spectral class A0V (white)
Pri motion ra -045 Sec motion ra -045
Pri motion dec -002 Sec motion dec -002
Notes
Nature of this double is uncertain.
 
 
12100-3442 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 105686 203183 12 10 03 -34 42 17 JC 17 AB 2015 36 17 3.8 6.35 8.00 1.65 <===
Show 203183 12 10 03 -34 42 17 I 9015 AC 2015 6 57 81.6 6.35 9.85 3.50
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 105686 Constellation Hydra SAO 203183 HIP 59307
Tycho2 7240-00707-1 Gaia DR2 3462809106000361472 HD 105686 HR 4628
GC 16613 CD CD-34 7956 CP CP-34 5022 Distance 98.81
Distance ly 322.32
 
 
WDS 12100-3442 JC 17 AB (HD 105686) : 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.
Jc_1847 Ma - Jacob, W.S. 1847MmRAS..16..311J
Jc_1847 +orb MemRAS 16, 311, 1847
Jc_1847b Ma - Jacob, W.S. 1847MNRAS...8...16J
Jc_1847b MNRAS 8, 16, 1847
Jc_1848a Ma - Jacob, W.S. 1848MadOO....8a..57
Jc_1848a Madras Obs. 57, 1848-1852
Jc_1848b Ma j Jacob, W.S. 1854MadOO....8b...1
Jc_1848b Madras Obs. 8, 1848-1852 Appendix
Jc_1849 Ma - Jacob, W.S. 1849MmRAS..17...79J
Jc_1849 +orb MemRAS 17, 79, 1849
Jc_1850 Ma - Jacob, W.S. 1850MNRAS..10..170J
Jc_1850 MNRAS 10, 170, 1850
Jc_1854 Ma j Jacob, W.S. 1854MNRAS..14..242J
Jc_1854 MNRAS 14, 242, 1854
Jc_1855a orb - Jacob, W.S. 1855MNRAS..15..178J
Jc_1855a MNRAS 15, 178, 1855
Jc_1855b orb - Jacob, W.S. 1855MNRAS..15..205J
Jc_1855b MNRAS 15, 205, 1855
Jc_1855C Ma j Jacob, W.S. 1855MNRAS..15..161F
Jc_1855C cited by Fletcher (MNRAS 15, 161, 1855)
Jc_1856 orb - Jacob, W.S. 1856AN.....44...43J
Jc_1856 AN 44, 43, #1035, 1856
Jc_1856b - Jacob, W.S. 1856MNRAS..17...19J
Jc_1856b MNRAS 17, 19, 1856
Jc_1860 Ma j Jacob, W.S. 1860MmRAS..28...13J
Jc_1860 MemRAS 28, 13, 1860
Jc_1867 Ma - Jacob, W.S. 1867MmRAS..35..137D
Jc_1867 cited by Dawes (MemRAS 35, 137, 1867)
Jc_1875A Ma - Jacob, W.S. 1875AN.....85..323D
Jc_1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
Jc_1880A Ma - Jacob, W.S. 1880MNRAS..40..497B
Jc_1880A cited by Burnham (MNRAS 40, 497, 1880)
Jc_1896A orb - Jacob, W.S. 1896QB421.S5.......
Jc_1896A cited by See (Evolution of Stellar Systems, v1, 1896)
Jc_1906A Ma - Jacob, W.S. 1906MmRAS..56....1L
Jc_1906A cited by Lewis (MemRAS 56, 1, 1906)
Jc_1927A Ma - Jacob, W.S. 1927sdsc.book......
Jc_1927A cited in SDS (Southern Double Star Cat.), 1927
Jc_1937A Ma - Jacob, W.S. 1937AnLei..18....1S
Jc_1937A cited by Strand (Ann. Sterrew. Leiden 18, 1937)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
12100-3442 JC 17 AB 2000 34 17 3.2 6.35 8.00 A0V D 121002.55-344217.2
12100-3442 JC 17 AB 2015 36 17 3.8 6.35 8.00 A0V 121002.55-344217.2

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

 
 
WDS 12100-3442 JC 17 AB (HD 105686) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12100-3442 JC 17 AB (HD 105686) : MEASURES
 
 
No records found.

 
 
WDS 12100-3442 (HD 105686) : VIRTUAL EYEPIECE
 
 

12100-3442 JC 17A mag 6.35 Sp A0V 12100-3442 JC 17B sep 3.7 P.A. 14.10 mag 8 12100-3442 I 9015C sep 71.7 P.A. 51.90 mag 9.85 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 12100-3442 (HD 105686) : ALADIN DSS IMAGE @ 12h 10m 02.55s -34° 42' 17.2"
 
 
 
 
WDS 12100-3442 JC 17 AB (HD 105686) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12100-3442 JC 17AB distance=0' 12094-3409 RST2782 distance=35' 12071-3432 RST2780 distance=38' 12070-3501 TSN 157 distance=43' 12063-3428 B 1205 distance=49' 12062-3459 UC 2269 distance=51' 12085-3530 HDS1713 distance=51' 12130-3405 KPP2723 distance=52' 12101-3349 OL 44 distance=53' 12051-3502 JSP 510 distance=64' 12053-3511 LDS 854 distance=66' 12136-3348 HWE 72 distance=71' 12152-3513 JSP 521 distance=72' 12123-3552 TDS8264 distance=75' 12059-3542 SEE 144 distance=78' 12164-3444 JSP 522 distance=79' 12035-3436 B 1204 distance=82' 12165-3427 TDS8296 distance=82' 12107-3604 KPP 628 distance=82' 12147-3541 TDS8282 distance=83' 12093-3316 KPP2092 distance=87' 12147-3337 TDS8281 distance=87' 12041-3531 UC 2261 distance=88' 12098-3621 TDS8251 distance=100' 12167-3542 UC 2307 distance=101' 12018-3439 I 215AB distance=103' 12018-3439 DSG 14Aa,Ab distance=103' 12184-3504 KPP1731 distance=105' 12106-3254 RST2783 distance=109' 12150-3613 SLR 10 distance=110' 12190-3434 UC 2314 distance=111' 12044-3316 LDS 381 distance=112' 12187-3523 TDS8317 distance=115' 12061-3258 HJ 4495AB distance=116' 12061-3258 HJ 4495AC distance=116' 12029-3319 LDS4170 distance=122' 12027-3323 BRT1672 distance=122' 12141-3633 SEE 148 distance=122' 12019-3333 RST2776 distance=123' 12178-3606 R 193Aa,Ab distance=127' 12188-3549 TDS8318 distance=127' 12199-3522 UC 2317 distance=127' 12185-3331 SKF2116BC distance=128' 12185-3331 SWR 129AB distance=128' 12106-3650 SEE 146 distance=128' 12177-3314 JSP 525 distance=130' 12141-3644 SEE 147AB distance=132' 12141-3644 SEE 147AB,C distance=132' 12070-3235 RST1645 distance=133' 12180-3310 TDS8310 distance=136' 12062-3233 DAM 571 distance=136' 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 12100-3442 JC 17 AB 17 3.8
Show 12100-3442 I 9015 AC 57 81.6
Show 12094-3409 RST2782 340 0.4 35
Show 12071-3432 RST2780 166 1.8 38
Show 12070-3501 TSN 157 46 0.6 43
Show 12063-3428 B 1205 130 1.2 49
Show 12062-3459 UC 2269 207 9.5 51
Show 12085-3530 HDS1713 100 0.2 51
Show 12130-3405 KPP2723 223 3.5 52
Show 12101-3349 OL 44 328 3.2 53
Show 12051-3502 JSP 510 225 1.6 64
Show 12053-3511 LDS 854 115 28.2 66
Show 12136-3348 HWE 72 159 1.2 71
Show 12152-3513 JSP 521 70 0.4 72
Show 12123-3552 TDS8264 253 0.6 75
Show 12059-3542 SEE 144 177 23.8 78
Show 12164-3444 JSP 522 241 2.2 79
Show 12035-3436 B 1204 12 0.3 82
Show 12165-3427 TDS8296 81 0.4 82
Show 12107-3604 KPP 628 304 5.7 82
Show 12147-3541 TDS8282 120 0.7 83
Show 12093-3316 KPP2092 55 16.9 87
Show 12147-3337 TDS8281 95 1.0 87
Show 12041-3531 UC 2261 302 8.7 88
Show 12098-3621 TDS8251 42 0.6 100
Show 12167-3542 UC 2307 344 66.5 101
Show 12018-3439 I 215 AB 310 0.3 103
Show 12018-3439 DSG 14 Aa,Ab 255 0.0 103
Show 12184-3504 KPP1731 153 13.4 105
Show 12106-3254 RST2783 86 1.8 109
Show 12150-3613 SLR 10 245 2.0 110
Show 12190-3434 UC 2314 254 23.0 111
Show 12044-3316 LDS 381 173 15.5 112
Show 12187-3523 TDS8317 331 1.5 115
Show 12061-3258 HJ 4495 AB 319 5.7 116
Show 12061-3258 HJ 4495 AC 46 46.0 116
Show 12029-3319 LDS4170 3.0 122
Show 12027-3323 BRT1672 25 3.6 122
Show 12141-3633 SEE 148 64 19.1 122
Show 12019-3333 RST2776 85 0.5 123
Show 12178-3606 R 193 Aa,Ab 167 0.3 127
Show 12188-3549 TDS8318 206 0.5 127
Show 12199-3522 UC 2317 330 31.3 127
Show 12185-3331 SKF2116 BC 189 5.9 128
Show 12185-3331 SWR 129 AB 266 23.3 128
Show 12106-3650 SEE 146 48 0.8 128
Show 12177-3314 JSP 525 242 1.0 130
Show 12141-3644 SEE 147 AB 41 0.3 132
Show 12141-3644 SEE 147 AB,C 306 27.8 132
Show 12070-3235 RST1645 47 2.6 133
Show 12180-3310 TDS8310 107 0.5 136

 
 
WDS 12100-3442 : COMPONENTS
 
 
  A B
B pa=14.1°
sep=3.70"
 
C pa=51.9°
sep=71.65"
pa=53.8°
sep=68.76"
 
 
12100-3442 A
 
 
Name HD 105686 Coord arcsec 2000 121002.55-344217.2 Mag 6.35 Spectral class A0V (white)
PmRA -45.00 PmDE -2.0 SAO 203183 HIP 59307
Tycho2 7240-00707-1 HD 105686 HR 4628 GC 16613
CD CD-34 7956 CP CP-34 5022
Tycho2
Tycho2 7240-00707-1 Pflag RAmdeg 182.51060634 DEmdeg -34.70477070
PmRA -49.6 PmDE -14.2 E RAmdeg 4 E DEmdeg 4
E pmRA 2.5 E pmDE 2.6 EpRAm 1991.70 EpDEm 1991.16
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.6
Q pmDE 1.1 BTmag 6.343 E BTmag 0.014 VTmag 6.347
E VTmag 0.010 Prox 37 TYC T HIP 59307
CCDM A RAdeg 182.51074500 DEdeg -34.70473583 EpRA 1990 1.73
EpDE 1990 1.19 E RAdeg 3.5 E DEdeg 4.4 Posflg
Corr 0.2
SAO
SAO 203183 DelFlag RA1950 PmRA1950 -0.0044
DE1950 PmDE1950 -0.022 Vmag 6.1 SpType A0
Double code Source 70 CatNum 16613 DM CD-34 7956
DMcomp BDsup HD 105686 M HD 0
GC 16613 RA1950rad 3.17411131 DE1950rad -0.60085659 PmRA2000 -0.0042
PmDE2000 -0.018
Hipparcos
Catalog H HIP 59307 Proxy H RAhms 12 10 02.58
DEdms -34 42 17.0 Vmag 6.16 VarFlag R Vmag G
RAdeg 182.511 DEdeg -34.7047 AstroRef A Plx 9.92
CCDM 12100-3442 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 18 Rho 3.651 HD 105686 BD
CD CD-34 7956 CP CP-34 5022 Dm number -34 7956 VIred 0.05
SpType A0V R SpType Coord arcsec 2000 121002.58-344217.0
Hipparcos 2
HIP 59307 Sn 15 So 3 Nc 2
RArad 3.1854135739 DErad -0.605711909 Plx 10.12 PmRA -45.69
PmDE -3.15 E RArad 0.75 E DErad 0.37 E Plx 0.87
E pmRA 0.93 E pmDE 0.49 Hpmag 6.1773 E Hpmag 0.0008
SHp 0.006 VA 0 BV 0.03 E BV 0.002
VI 0.05
CCDM
Ccdm 12100-3442 RComp Comp A Note1
Note2 Discov num DRAs 2.47 DDEs -18.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.3 Sp A0 PmNote *
PmRA -54 PmDE -22 Dm number -34 7956 Cat1 CD
Name2 203183 Cat2 SAO HD 105686 M HD
ADS BDS M ADS BDS N IDS IDS 12049S3409A
HIC 59307
 
 
12100-3442 B
 
 
Coord arcsec 2000 121002.62-344213.6 Mag 8 PmRA -45.00 PmDE -2.0
Calc delta mag 1.65 Calc coord yes
CCDM
Ccdm 12100-3442 RComp Comp B Note1
Note2 Discov num JC 17 DRAs DDEs
R dRAs Year 1848 Theta 020 Rho 3.4
Obs 21 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12049S3409B
HIC 59307
 
 
12100-3442 C
 
 
Coord arcsec 2000 121007.12-344133.0 Mag 9.85 PmRA -9.00 PmDE -1.0
Calc delta mag 3.5 Calc coord yes