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Current system
18340-5043
I 1024
HD 170803


Nearby doubles
30' : 18370-5035
BRT1069

37' : 18357-5010
BRT1067

39' : 18352-5120
HU 1607AB

40' : 18315-5011
SKF1147

41' : 18379-5028
UC 3629

44' : 18295-5053
CPO 586AB

47' : 18302-5113
UC 3596

50' : 18308-5122
UC 3600

51' : 18295-5110
UC 3593

57' : 18364-4952
CPO 592

57' : 18293-5119
RST 988

62' : 18283-5112
HRG 129

66' : 18393-5126
RST 995

68' : 18297-4949
HDS2620

68' : 18284-5126
RST 986

69' : 18326-4936
RST9007

71' : 18410-5021
BRT1074

75' : 18418-5035
RST 997

76' : 18308-4934
CPO 588

78' : 18329-4927
BRT1062

79' : 18261-5107
UC 3581

81' : 18267-5124
RST 982

82' : 18376-5158
I 1373

84' : 18252-5048
UC 3575

84' : 18273-5139
BRT2101

85' : 18267-4957
BRT1053



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.

18340-5043 I 1024 (HD 170803)

 
 
18h 33m 59.01s -50° 43' 07.6" P.A. 95.00 sep 3.0 mag 10.08,10.19 Sp A5IV/V
 
 
Coord 2000 18340-5043 Discov num I  1024 Comp Coord arcsec 2000 18 33 59.01 -50 43 07.6
Date first 1910 Date last 2016 Obs 13
Pa first 100 Pa last 94.5 P.A. Now (θ) 94.5°
Sep first 3.0 Sep last 2.963 Sep. Now (ρ) 2.963"
Mag pri 10.08 Mag sec 10.19 delta mag (ΔM) 0.11 Spectral class A5IV/V (white)
Pri motion ra -044 Sec motion ra +040
Pri motion dec -016 Sec motion dec -026
Notes
rPM=1.773
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170803 Constellation Telescopium SAO 245553 Tycho2 8372-00975-1
Gaia DR2 6655598630329663872 HD 170803 DM CP-5010739
 
 
WDS 18340-5043 I 1024 (HD 170803) : 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
18340-5043 I 1024 2000 9 95 3.1 10.08 10.19 A5IV/V D 183359.01-504307.6
18340-5043 I 1024 2015 11 95 3.0 10.08 10.19 A5IV/V 183359.01-504307.6
18340-5043 I 1024 2016 13 95 3.0 10.08 10.19 A5IV/V 183359.01-504307.6

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

 
 
WDS 18340-5043 I 1024 (HD 170803) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18340-5043 I 1024 (HD 170803) : MEASURES
 
 
No records found.

 
 
WDS 18340-5043 (HD 170803) : VIRTUAL EYEPIECE
 
 

18340-5043 I 1024A mag 10.08 Sp A5IV/V 18340-5043 I 1024B sep 1.9 P.A. 97.10 mag 10.19 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 18340-5043 (HD 170803) : ALADIN DSS IMAGE @ 18h 33m 59.01s -50° 43' 07.6"
 
 
 
 
WDS 18340-5043 I 1024 (HD 170803) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18340-5043 I 1024 distance=0' 18370-5035 BRT1069 distance=30' 18357-5010 BRT1067 distance=37' 18352-5120 HU 1607AB distance=39' 18315-5011 SKF1147 distance=40' 18379-5028 UC 3629 distance=41' 18295-5053 HDS2618Aa,Ab distance=44' 18295-5053 CPO 586AB distance=44' 18302-5113 UC 3596 distance=47' 18308-5122 UC 3600 distance=50' 18295-5110 UC 3593 distance=51' 18364-4952 CPO 592 distance=57' 18293-5119 RST 988 distance=57' 18283-5112 HRG 129 distance=62' 18393-5126 RST 995 distance=66' 18297-4949 HDS2620 distance=68' 18284-5126 RST 986 distance=68' 18326-4936 RST9007 distance=69' 18410-5021 BRT1074 distance=71' 18418-5035 RST 997 distance=75' 18308-4934 CPO 588 distance=76' 18329-4927 BRT1062 distance=78' 18261-5107 UC 3581 distance=79' 18267-5124 RST 982 distance=81' 18376-5158 I 1373 distance=82' 18252-5048 UC 3575 distance=84' 18273-5139 BRT2101 distance=84' 18267-4957 BRT1053 distance=85' 18433-5040 UC 3655 distance=89' 18361-4915 UC 3624 distance=91' 18244-5042 TDT 842 distance=92' 18435-5103 I 1378 distance=92' 18423-4958 UC 3647 distance=92' 18387-4922 HDS2642 distance=94' 18249-5128 KPP2547 distance=97' 18240-5108 HDS2602 distance=98' 18449-5029 HDS2656 distance=105' 18363-5226 UC 3625 distance=106' 18436-5138 RST5451Ba,Bb distance=106' 18436-5138 RST5451AB distance=106' 18419-5202 UC 3640 distance=109' 18454-5025 R 313 distance=111' 18450-5122 RST5452 distance=112' 18242-4942 UC 3572 distance=112' 18331-4852 RST 990 distance=113' 18341-4850 UC 3613 distance=113' 18330-4850 UC 3608 distance=114' 18232-4953 KPP1538 distance=116' 18245-4932 UC 3574 distance=116' 18329-4848 UC 3607 distance=116' 18268-4910 ALD 70 distance=117' 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 18340-5043 I 1024 95 3.0
Show 18370-5035 BRT1069 48 3.1 30
Show 18357-5010 BRT1067 46 3.9 37
Show 18352-5120 HU 1607 AB 264 2.1 39
Show 18315-5011 SKF1147 172 85.5 40
Show 18379-5028 UC 3629 66 55.4 41
Show 18295-5053 HDS2618 Aa,Ab 205 0.2 44
Show 18295-5053 CPO 586 AB 273 4.8 44
Show 18302-5113 UC 3596 18 34.1 47
Show 18308-5122 UC 3600 274 43.7 50
Show 18295-5110 UC 3593 327 51.1 51
Show 18364-4952 CPO 592 295 3.8 57
Show 18293-5119 RST 988 174 0.6 57
Show 18283-5112 HRG 129 358 11.2 62
Show 18393-5126 RST 995 282 1.4 66
Show 18297-4949 HDS2620 162 0.4 68
Show 18284-5126 RST 986 93 0.3 68
Show 18326-4936 RST9007 42 4.1 69
Show 18410-5021 BRT1074 280 4.2 71
Show 18418-5035 RST 997 267 2.6 75
Show 18308-4934 CPO 588 275 3.3 76
Show 18329-4927 BRT1062 179 5.3 78
Show 18261-5107 UC 3581 331 37.8 79
Show 18267-5124 RST 982 164 1.0 81
Show 18376-5158 I 1373 249 5.2 82
Show 18252-5048 UC 3575 30 21.8 84
Show 18273-5139 BRT2101 148 3.9 84
Show 18267-4957 BRT1053 268 5.1 85
Show 18433-5040 UC 3655 209 27.3 89
Show 18361-4915 UC 3624 287 9.2 91
Show 18244-5042 TDT 842 298 1.1 92
Show 18435-5103 I 1378 28 4.3 92
Show 18423-4958 UC 3647 226 49.9 92
Show 18387-4922 HDS2642 176 1.4 94
Show 18249-5128 KPP2547 223 23.0 97
Show 18240-5108 HDS2602 13 3.6 98
Show 18449-5029 HDS2656 230 0.6 105
Show 18363-5226 UC 3625 270 17.5 106
Show 18436-5138 RST5451 Ba,Bb 242 0.2 106
Show 18436-5138 RST5451 AB 305 0.8 106
Show 18419-5202 UC 3640 317 8.2 109
Show 18454-5025 R 313 37 53.9 111
Show 18450-5122 RST5452 259 0.1 112
Show 18242-4942 UC 3572 156 74.0 112
Show 18331-4852 RST 990 336 2.3 113
Show 18341-4850 UC 3613 100 21.6 113
Show 18330-4850 UC 3608 344 73.6 114
Show 18232-4953 KPP1538 285 11.6 116
Show 18245-4932 UC 3574 277 34.8 116
Show 18329-4848 UC 3607 224 48.1 116
Show 18268-4910 ALD 70 338 1.4 117

 
 
WDS 18340-5043 : COMPONENTS
 
 
  A
B pa=97.1°
sep=1.88"
 
 
18340-5043 A
 
 
Componente originario normalizzato AB Name HD 170803 Coord arcsec 2000 183359.01-504307.6 Mag 10.08
Spectral class A5IV/V (white) PmRA -44.00 PmDE -16.0 SAO 245553
Tycho2 8372-00975-1 HD 170803 DM CP-5010739
Tycho2
Tycho2 8372-00975-1 Pflag P RAmdeg 278.49587711 DEmdeg -50.71878697
PmRA 5.1 PmDE -24.3 E RAmdeg 17 E DEmdeg 19
E pmRA 2.3 E pmDE 2.1 EpRAm 1990.55 EpDEm 1990.06
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 10.270 E BTmag 0.028 VTmag 10.084
E VTmag 0.032 Prox 30 TYC T HIP
CCDM RAdeg 278.49527417 DEdeg -50.71869389 EpRA 1990 1.55
EpDE 1990 1.49 E RAdeg 16.8 E DEdeg 19.1 Posflg D
Corr -0.2
SAO
SAO 245553 DelFlag RA1950 PmRA1950 -0.0003
DE1950 PmDE1950 -0.012 Vmag 9.5 SpType A3
Double code Source 48 CatNum 17480 DM CP-5010739
DMcomp BDsup HD 170803 M HD 0
GC RA1950rad 4.84359252 DE1950rad -0.88587405 PmRA2000 -0.0006
PmDE2000 -0.015
CCDM
Ccdm 18340-5043 RComp Comp A Note1
Note2 Discov num DRAs -1.17 DDEs -5.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp A3 PmNote *
PmRA -3 PmDE -12 Dm number -5012008 Cat1 CD
Name2 245553 Cat2 SAO HD 170803 M HD
ADS BDS M ADS BDS N IDS IDS 18262S5047A
HIC
 
 
18340-5043 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183359.21-504307.8 Mag 10.19 PmRA 40.00
PmDE -26.0 Tycho2 8372-00975-2 Calc delta mag 0.11 Calc coord yes
Tycho2
Tycho2 8372-00975-2 Pflag P RAmdeg 278.49587711 DEmdeg -50.71878697
PmRA 5.1 PmDE -24.3 E RAmdeg 17 E DEmdeg 19
E pmRA 2.3 E pmDE 2.1 EpRAm 1990.55 EpDEm 1990.06
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.6 Q pmRA 0.9
Q pmDE 0.6 BTmag 10.385 E BTmag 0.030 VTmag 10.189
E VTmag 0.034 Prox 30 TYC T HIP
CCDM RAdeg 278.49658028 DEdeg -50.71877194 EpRA 1990 1.56
EpDE 1990 1.50 E RAdeg 18.2 E DEdeg 20.8 Posflg D
Corr -0.2
CCDM
Ccdm 18340-5043 RComp Comp B Note1
Note2 Discov num I 1024 DRAs DDEs
R dRAs Year 1911 Theta 097 Rho 3.0
Obs 4 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18262S5047B
HIC