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Current system
11284-4546
I 884
HD 99794


Nearby doubles
27' : 11309-4552
TDS 640

31' : 11312-4538
BRT 798

33' : 11254-4555
KPP2917

37' : 11256-4608
DON 480

39' : 11286-4508
I 885AB

41' : 11279-4626
TDS 635

45' : 11295-4630
KPP2652

45' : 11241-4543
BRT 797

46' : 11316-4516
BRT 799

54' : 11236-4529
DON 477

54' : 11236-4604
TDS7836

58' : 11315-4635
CPO 328

60' : 11227-4542
BRT 796

64' : 11336-4619
HJ 4451

68' : 11345-4523
BRT 800

68' : 11243-4454
DON 478AB

72' : 11337-4632
DON 489

77' : 11352-4618
TDS7939

83' : 11362-4536
TDS7949

84' : 11267-4708
I 882

87' : 11210-4627
TDS7811

87' : 11363-4615
TDS7950

90' : 11369-4603
TDS7957

91' : 11368-4613
TDS7955

92' : 11310-4419
DEA 8

94' : 11224-4439
HDS1618



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.

11284-4546 I 884 (HD 99794)

 
 
11h 28m 25.55s -45° 46' 27.3" P.A. 173.00 sep 2.2 mag 7.95,10.14 Sp K0/1III dist. 392.16 pc (1279.23 l.y.)
 
 
Coord 2000 11284-4546 Discov num I   884 Comp Coord arcsec 2000 11 28 25.55 -45 46 27.3
Date first 1910 Date last 2016 Obs 11
Pa first 175 Pa last 172.5 P.A. Now (θ) 172.5°
Sep first 2.0 Sep last 2.178 Sep. Now (ρ) 2.178"
Mag pri 7.95 Mag sec 10.14 delta mag (ΔM) 2.19 Spectral class K0/1III (yellow-orange)
Pri motion ra -025 Sec motion ra
Pri motion dec +019 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 99794 Constellation Centaurus SAO 222812 HIP 55983
Tycho2 8214-00468-1 Gaia DR2 5375517678256125312 HD 99794 GC 15743
CD CD-45 7024 CP CP-45 5488 Distance 392.16 Distance ly 1279.23
 
 
WDS 11284-4546 I 884 (HD 99794) : 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
11284-4546 I 884 1991 9 175 2.2 7.95 10.14 K0/1III D 112825.55-454627.3
11284-4546 I 884 2015 10 173 2.2 7.95 10.14 K0/1III 112825.55-454627.3
11284-4546 I 884 2016 11 173 2.2 7.95 10.14 K0/1III 112825.55-454627.3

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

 
 
WDS 11284-4546 I 884 (HD 99794) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11284-4546 I 884 (HD 99794) : MEASURES
 
 
No records found.

 
 
WDS 11284-4546 (HD 99794) : VIRTUAL EYEPIECE
 
 

11284-4546 I 884A mag 7.95 Sp K0/1III 11284-4546 I 884B sep 2.2 P.A. 174.80 mag 10.14 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 11284-4546 (HD 99794) : ALADIN DSS IMAGE @ 11h 28m 25.55s -45° 46' 27.3"
 
 
 
 
WDS 11284-4546 I 884 (HD 99794) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11284-4546 I 884 distance=0' 11309-4552 TDS 640 distance=27' 11312-4538 BRT 798 distance=31' 11254-4555 KPP2917 distance=33' 11256-4608 DON 480 distance=37' 11286-4508 I 885AB distance=39' 11286-4508 TOK 280AC distance=39' 11279-4626 TDS 635 distance=41' 11295-4630 KPP2652 distance=45' 11241-4543 BRT 797 distance=45' 11316-4516 BRT 799 distance=46' 11236-4529 DON 477 distance=54' 11236-4604 TDS7836 distance=54' 11315-4635 CPO 328 distance=58' 11227-4542 BRT 796 distance=60' 11336-4619 HJ 4451 distance=64' 11345-4523 BRT 800 distance=68' 11243-4454 DON 478AB distance=68' 11337-4632 DON 489 distance=72' 11352-4618 TDS7939 distance=77' 11362-4536 TDS7949 distance=83' 11267-4708 I 882 distance=84' 11210-4627 TDS7811 distance=87' 11363-4615 TDS7950 distance=87' 11369-4603 TDS7957 distance=90' 11368-4613 TDS7955 distance=91' 11310-4419 DEA 8 distance=92' 11224-4439 HDS1618 distance=94' 11304-4415 UC 2157 distance=95' 11298-4720 TDS7890 distance=95' 11374-4610 TDS7963 distance=97' 11290-4725 TDS7883 distance=100' 11247-4718 WFC 113 distance=100' 11258-4410 JNN 75 distance=100' 11250-4721 TDS7850 distance=102' 11257-4729 R 171 distance=107' 11307-4732 RST 544 distance=109' 11366-4655 TDS7952 distance=110' 11191-4455 DON 472AB distance=112' 11237-4732 TDS7837 distance=116' 11175-4529 KPP3839 distance=117' 11375-4656 R 173 distance=118' 11366-4709 TDS7953 distance=119' 11352-4722 RST 548 distance=119' 11219-4725 TDS7819 distance=120' 11317-4351 DON 487 distance=121' 11192-4434 CPO 323AB distance=122' 11426-4603 BRT 801 distance=124' 11165-4553 HJ 4423 distance=126' 11164-4608 KPP 241 distance=127' 11378-4710 TDS7967 distance=128' 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 11284-4546 I 884 173 2.2
Show 11309-4552 TDS 640 271 1.6 27
Show 11312-4538 BRT 798 317 3.7 31
Show 11254-4555 KPP2917 291 6.4 33
Show 11256-4608 DON 480 122 2.1 37
Show 11286-4508 I 885 AB 146 0.6 39
Show 11286-4508 TOK 280 AC 353 195.9 39
Show 11279-4626 TDS 635 227 1.9 41
Show 11295-4630 KPP2652 49 24.7 45
Show 11241-4543 BRT 797 122 6.0 45
Show 11316-4516 BRT 799 85 5.1 46
Show 11236-4529 DON 477 31 1.0 54
Show 11236-4604 TDS7836 204 1.6 54
Show 11315-4635 CPO 328 150 5.7 58
Show 11227-4542 BRT 796 129 3.5 60
Show 11336-4619 HJ 4451 288 41.0 64
Show 11345-4523 BRT 800 309 4.8 68
Show 11243-4454 DON 478 AB 214 2.6 68
Show 11337-4632 DON 489 131 1.4 72
Show 11352-4618 TDS7939 148 1.1 77
Show 11362-4536 TDS7949 77 0.5 83
Show 11267-4708 I 882 91 0.4 84
Show 11210-4627 TDS7811 192 0.7 87
Show 11363-4615 TDS7950 130 0.6 87
Show 11369-4603 TDS7957 151 2.3 90
Show 11368-4613 TDS7955 60 0.6 91
Show 11310-4419 DEA 8 42 19.4 92
Show 11224-4439 HDS1618 53 0.7 94
Show 11304-4415 UC 2157 211 28.6 95
Show 11298-4720 TDS7890 17 0.7 95
Show 11374-4610 TDS7963 143 1.2 97
Show 11290-4725 TDS7883 285 0.5 100
Show 11247-4718 WFC 113 78 8.5 100
Show 11258-4410 JNN 75 261 0.5 100
Show 11250-4721 TDS7850 101 2.1 102
Show 11257-4729 R 171 340 2.7 107
Show 11307-4732 RST 544 214 2.4 109
Show 11366-4655 TDS7952 18 1.1 110
Show 11191-4455 DON 472 AB 135 2.6 112
Show 11237-4732 TDS7837 90 2.2 116
Show 11175-4529 KPP3839 325 1.8 117
Show 11375-4656 R 173 150 3.9 118
Show 11366-4709 TDS7953 214 1.2 119
Show 11352-4722 RST 548 127 9.9 119
Show 11219-4725 TDS7819 317 0.8 120
Show 11317-4351 DON 487 185 1.7 121
Show 11192-4434 CPO 323 AB 265 6.0 122
Show 11426-4603 BRT 801 183 3.2 124
Show 11165-4553 HJ 4423 276 2.6 126
Show 11164-4608 KPP 241 118 3.8 127
Show 11378-4710 TDS7967 138 0.6 128

 
 
WDS 11284-4546 : COMPONENTS
 
 
  A
B pa=174.8°
sep=2.17"
 
 
11284-4546 A
 
 
Componente originario normalizzato AB Name HD 99794 Coord arcsec 2000 112825.55-454627.3 Mag 7.95
Spectral class K0/1III (yellow-orange) PmRA -25.00 PmDE 19.0 SAO 222812
HIP 55983 Tycho2 8214-00468-1 HD 99794 GC 15743
CD CD-45 7024 CP CP-45 5488
Tycho2
Tycho2 8214-00468-1 Pflag RAmdeg 172.10645198 DEmdeg -45.77424083
PmRA -25.0 PmDE 19.3 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.08 EpDEm 1991.15
Num 11 Q RAmdeg 0.6 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.3 BTmag 8.875 E BTmag 0.016 VTmag 7.946
E VTmag 0.010 Prox 22 TYC T HIP 55983
CCDM A RAdeg 172.10653333 DEdeg -45.77428472 EpRA 1990 1.82
EpDE 1990 1.82 E RAdeg 5.2 E DEdeg 4.5 Posflg D
Corr -0.1
SAO
SAO 222812 DelFlag RA1950 PmRA1950 -0.0044
DE1950 PmDE1950 -0.002 Vmag 8.1 SpType G0
Double code Source 70 CatNum 15743 DM CD-45 7024
DMcomp BDsup HD 99794 M HD 0
GC 15743 RA1950rad 2.99335287 DE1950rad -0.79410687 PmRA2000 -0.004
PmDE2000 0.001
Hipparcos
Catalog H HIP 55983 Proxy H RAhms 11 28 25.57
DEdms -45 46 27.4 Vmag 7.73 VarFlag R Vmag H
RAdeg 172.107 DEdeg -45.7743 AstroRef A Plx 2.45
CCDM 11284-4546 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 173 Rho 2.209 HD 99794 BD
CD CD-45 7024 CP CP-45 5488 Dm number -45 7024 VIred 0.85
SpType K0/K1III+.. R SpType Coord arcsec 2000 112825.57-454627.4
Hipparcos 2
HIP 55983 Sn 15 So 3 Nc 2
RArad 3.0038258195 DErad -0.7989120018 Plx 2.55 PmRA -24.03
PmDE 12.99 E RArad 0.58 E DErad 0.64 E Plx 0.87
E pmRA 0.68 E pmDE 0.7 Hpmag 7.8752 E Hpmag 0.0011
SHp 0.014 VA 0 BV 0.724 E BV 0.012
VI 0.78
CCDM
Ccdm 11284-4546 RComp Comp A Note1
Note2 Discov num DRAs 1.54 DDEs -28.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp G0 PmNote *
PmRA -29 PmDE -1 Dm number -45 7024 Cat1 CD
Name2 222812 Cat2 SAO HD 99794 M HD
ADS BDS M ADS BDS N IDS IDS 11236S4513A
HIC 55983
 
 
11284-4546 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 112825.57-454629.5 Mag 10.14 Calc delta mag 2.19
Calc coord yes
CCDM
Ccdm 11284-4546 RComp Comp B Note1
Note2 Discov num I 884 DRAs DDEs
R dRAs Year 1944 Theta 175 Rho 2.3
Obs 4 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 11236S4513B
HIC 55983