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Doubles in session


Current system
12305-4016
I 1555
HD 108825


Nearby doubles
18' : 12306-3958
RST1674

29' : 12329-4007
WG 153AB

36' : 12298-4050
RST1672

50' : 12347-4023
UC 2364

53' : 12300-4108
RST1673

55' : 12280-3929
RST1669

57' : 12354-4024
TDS8448

62' : 12357-4004
SHN 164

62' : 12357-4005
RST1680

65' : 12250-4031
KPP 269

67' : 12246-4014
I 1553

68' : 12349-3931
UC 2367

69' : 12360-3952
FIN 1AB

75' : 12313-4130
I 82

78' : 12262-4117
UC 2336

81' : 12234-4014
I 1552

85' : 12373-4049
R 203

91' : 12326-4144
SKF 894

92' : 12302-4148
TDS8414

94' : 12247-4123
HJ 4518

96' : 12298-4151
TDS8411

98' : 12345-3851
TDS8443AB

100' : 12227-3933
RST1664

100' : 12392-4022
B 1215

101' : 12349-3850
RSS 289

105' : 12382-3920
FIN 34



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.

12305-4016 I 1555 (HD 108825)

 
 
12h 30m 27.76s -40° 16' 04.5" P.A. 300.00 sep 0.8 mag 9.26,9.87 Sp A2m+F0/F2
 
 
Coord 2000 12305-4016 Discov num I  1555 Comp Coord arcsec 2000 12 30 27.76 -40 16 04.5
Date first 1927 Date last 2016 Obs 10
Pa first 301 Pa last 300.4 P.A. Now (θ) 300.4°
Sep first 0.8 Sep last 0.822 Sep. Now (ρ) 0.822"
Mag pri 9.26 Mag sec 9.87 delta mag (ΔM) 0.61 Spectral class A2m+F0/F2 (white/yellow-white)
Pri motion ra -045 Sec motion ra -045
Pri motion dec +001 Sec motion dec +001
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 108825 Constellation Centaurus SAO 203541 Tycho2 7762-01756-1
Gaia DR2 6147213723845180800 HD 108825
 
 
WDS 12305-4016 I 1555 (HD 108825) : 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
12305-4016 I 1555 1991 8 299 0.8 9.26 9.87 A2mF0-F2 123027.76-401604.5
12305-4016 I 1555 2015 9 300 0.8 9.26 9.87 A2m+F0/F2 123027.76-401604.5
12305-4016 I 1555 2016 10 300 0.8 9.26 9.87 A2m+F0/F2 123027.76-401604.5

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

 
 
WDS 12305-4016 I 1555 (HD 108825) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 12305-4016 I 1555 (HD 108825) : MEASURES
 
 
No records found.

 
 
WDS 12305-4016 (HD 108825) : VIRTUAL EYEPIECE
 
 

12305-4016 I 1555A mag 9.26 Sp A2m 12305-4016 I 1555B sep 0.7 P.A. 307.60 mag 9.87 Sp F0/F2 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 12305-4016 (HD 108825) : ALADIN DSS IMAGE @ 12h 30m 27.76s -40° 16' 04.5"
 
 
 
 
WDS 12305-4016 I 1555 (HD 108825) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

12305-4016 I 1555 distance=0' 12306-3958 RST1674 distance=18' 12329-4007 WG 153AB distance=29' 12298-4050 RST1672 distance=36' 12347-4023 UC 2364 distance=50' 12300-4108 RST1673 distance=53' 12280-3929 RST1669 distance=55' 12354-4024 TDS8448 distance=57' 12357-4004 SHN 164 distance=62' 12357-4005 RST1680 distance=62' 12250-4031 KPP 269 distance=65' 12246-4014 I 1553 distance=67' 12349-3931 UC 2367 distance=68' 12360-3952 FIN 1AB distance=69' 12360-3952 HJ 4533AC distance=69' 12313-4130 I 82 distance=75' 12262-4117 UC 2336 distance=78' 12234-4014 I 1552 distance=81' 12373-4049 R 203 distance=85' 12326-4144 SKF 894 distance=91' 12302-4148 TDS8414 distance=92' 12247-4123 HJ 4518 distance=94' 12298-4151 TDS8411 distance=96' 12345-3851 TDS8443AB distance=98' 12227-3933 RST1664 distance=100' 12392-4022 B 1215 distance=100' 12349-3850 RSS 289 distance=101' 12382-3920 FIN 34 distance=105' 12242-3855 HDO 216 distance=109' 12399-3959 HUB 10 distance=110' 12227-3911 KPP3034 distance=111' 12271-3831 RST2800 distance=112' 12216-4112 CTI5585 distance=115' 12410-4052 RSS 291 distance=125' 12218-3901 RST1662 distance=126' 12202-3918 TDS8334 distance=133' 12426-4026 RST1685 distance=140' 12271-3802 TDS8387 distance=140' 12289-3758 I 218 distance=140' 12212-4151 TDS8348 distance=142' 12420-4113 CPO 351 distance=143' 12250-3808 RST2797 distance=143' 12198-3859 TDS8331 distance=146' 12345-3756 KPP 651 distance=148' 12223-4216 RST1663 distance=151' 12282-4245 KPP1271 distance=151' 12411-3843 TSN 162 distance=155' 12264-4244 DON1100 distance=156' 12439-3946 RST1688Aa,Ab distance=157' 12212-3818 SKF1915 distance=160' 12331-3739 HDS1762 distance=161' 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 12305-4016 I 1555 300 0.8
Show 12306-3958 RST1674 60 0.9 18
Show 12329-4007 WG 153 AB 171 3.9 29
Show 12298-4050 RST1672 163 2.7 36
Show 12347-4023 UC 2364 180 19.3 50
Show 12300-4108 RST1673 153 0.9 53
Show 12280-3929 RST1669 338 1.3 55
Show 12354-4024 TDS8448 341 2.8 57
Show 12357-4004 SHN 164 -1 0.3 62
Show 12357-4005 RST1680 335 1.0 62
Show 12250-4031 KPP 269 194 3.9 65
Show 12246-4014 I 1553 162 4.7 67
Show 12349-3931 UC 2367 290 52.2 68
Show 12360-3952 FIN 1 AB 225 7.9 69
Show 12360-3952 HJ 4533 AC 71 43.8 69
Show 12313-4130 I 82 13 0.7 75
Show 12262-4117 UC 2336 218 9.9 78
Show 12234-4014 I 1552 201 0.8 81
Show 12373-4049 R 203 181 8.4 85
Show 12326-4144 SKF 894 210 99.5 91
Show 12302-4148 TDS8414 262 0.5 92
Show 12247-4123 HJ 4518 208 10.0 94
Show 12298-4151 TDS8411 17 0.6 96
Show 12345-3851 TDS8443 AB 155 0.4 98
Show 12227-3933 RST1664 308 1.3 100
Show 12392-4022 B 1215 11 0.3 100
Show 12349-3850 RSS 289 258 10.3 101
Show 12382-3920 FIN 34 31 4.1 105
Show 12242-3855 HDO 216 57 4.2 109
Show 12399-3959 HUB 10 75 1.2 110
Show 12227-3911 KPP3034 333 17.8 111
Show 12271-3831 RST2800 188 2.1 112
Show 12216-4112 CTI5585 30 11.1 115
Show 12410-4052 RSS 291 339 9.0 125
Show 12218-3901 RST1662 55 2.0 126
Show 12202-3918 TDS8334 174 0.9 133
Show 12426-4026 RST1685 129 1.2 140
Show 12271-3802 TDS8387 238 0.6 140
Show 12289-3758 I 218 231 2.4 140
Show 12212-4151 TDS8348 184 0.5 142
Show 12420-4113 CPO 351 207 4.4 143
Show 12250-3808 RST2797 23 0.4 143
Show 12198-3859 TDS8331 102 1.3 146
Show 12345-3756 KPP 651 142 5.9 148
Show 12223-4216 RST1663 345 0.1 151
Show 12282-4245 KPP1271 319 9.7 151
Show 12411-3843 TSN 162 174 0.3 155
Show 12264-4244 DON1100 49 8.2 156
Show 12439-3946 RST1688 Aa,Ab 56 0.3 157
Show 12212-3818 SKF1915 259 163.6 160
Show 12331-3739 HDS1762 161 1.5 161

 
 
WDS 12305-4016 : COMPONENTS
 
 
  A
B pa=307.6°
sep=0.68"
 
 
12305-4016 A
 
 
Componente originario normalizzato AB Name HD 108825 Coord arcsec 2000 123027.76-401604.5 Mag 9.26
Spectral class A2m (white) PmRA -45.00 PmDE 1.0 SAO 203541
Tycho2 7762-01756-1 HD 108825 DM CD-39 7658
Tycho2
Tycho2 7762-01756-1 Pflag P RAmdeg 187.61568049 DEmdeg -40.26792183
PmRA -45.0 PmDE 1.1 E RAmdeg 10 E DEmdeg 11
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.40 EpDEm 1991.35
Num 7 Q RAmdeg 1.6 Q DEmdeg 0.7 Q pmRA 1.6
Q pmDE 0.7 BTmag 9.650 E BTmag 0.022 VTmag 9.262
E VTmag 0.018 Prox 8 TYC T HIP
CCDM RAdeg 187.61588083 DEdeg -40.26795194 EpRA 1990 1.82
EpDE 1990 1.85 E RAdeg 10.3 E DEdeg 11.3 Posflg D
Corr 0.1
SAO
SAO 203541 DelFlag RA1950 PmRA1950 -0.0026
DE1950 PmDE1950 -0.017 Vmag 8.8 SpType A2
Double code Source 41 CatNum 5913 DM CD-39 7658
DMcomp BDsup HD 108825 M HD 0
GC RA1950rad 3.26282643 DE1950rad -0.69798917 PmRA2000 -0.0023
PmDE2000 -0.013
CCDM
Ccdm 12305-4016 RComp Comp A Note1
Note2 Discov num DRAs -2.18 DDEs -5.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp A2 PmNote *
PmRA -30 PmDE -17 Dm number -39 7658 Cat1 CD
Name2 203541 Cat2 SAO HD 108825 M HD
ADS BDS M ADS BDS N IDS IDS 12251S3943A
HIC
 
 
12305-4016 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 123027.71-401604.1 Mag 9.87 Spectral class F0/F2 (yellow-white)
PmRA -45.00 PmDE 1.0 Tycho2 7762-01756-2 Calc delta mag 0.61
Calc coord yes
Tycho2
Tycho2 7762-01756-2 Pflag P RAmdeg 187.61568049 DEmdeg -40.26792183
PmRA -45.0 PmDE 1.1 E RAmdeg 10 E DEmdeg 11
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.40 EpDEm 1991.35
Num 7 Q RAmdeg 1.6 Q DEmdeg 0.7 Q pmRA 1.6
Q pmDE 0.7 BTmag 10.386 E BTmag 0.031 VTmag 9.867
E VTmag 0.028 Prox 8 TYC T HIP
CCDM RAdeg 187.61562361 DEdeg -40.26784250 EpRA 1990 1.82
EpDE 1990 1.86 E RAdeg 17.1 E DEdeg 18.9 Posflg D
Corr 0.1
CCDM
Ccdm 12305-4016 RComp Comp B Note1
Note2 Discov num I 1555 DRAs DDEs
R dRAs Year 1927 Theta 299 Rho 0.9
Obs 5 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 12251S3943B
HIC