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Doubles in session


Current system
18312-4344
I 1369
HD 170385


Nearby doubles
16' : 18308-4358
DON 905

22' : 18314-4322
CPO 81AB

32' : 18312-4312
DAM 677

34' : 18341-4358
BRT1064

37' : 18332-4413
CPO9269

38' : 18309-4307
BRT1061

38' : 18287-4318
DON 903

44' : 18325-4425
DON 908

51' : 18310-4434
CPO 589

57' : 18297-4438
TOI1118

57' : 18362-4402
BRT1068

61' : 18345-4433
BRT1065

64' : 18289-4246
CPO9267

64' : 18295-4243
DON 904

65' : 18304-4448
UC 3597

65' : 18298-4241
BRT1059

66' : 18359-4426
HDS2638

67' : 18364-4419
TSN 50

67' : 18257-4412
DON 898

69' : 18334-4240
CPO 82AB

79' : 18243-4407
DUN 221

84' : 18366-4444
TDT 955

84' : 18297-4221
BRT1060

86' : 18390-4336
BRT1073AB

88' : 18387-4419
BRT1072

90' : 18269-4228
BRT1054



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.

18312-4344 I 1369 (HD 170385)

 
 
18h 31m 13.74s -43° 43' 47.5" P.A. 238.00 sep 4.3 mag 7.87,11.90 Sp B5IV
 
 
Coord 2000 18312-4344 Discov num I  1369 Comp Coord arcsec 2000 18 31 13.74 -43 43 47.5
Date first 1926 Date last 2015 Obs 4
Pa first 230 Pa last 237.8 P.A. Now (θ) 237.8°
Sep first 4.0 Sep last 4.272 Sep. Now (ρ) 4.272"
Mag pri 7.87 Mag sec 11.90 delta mag (ΔM) 4.03 Spectral class B5IV (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes S (Parallax indidates non-physical)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170385 Constellation Corona Austrina SAO 229084 Tycho2 7914-00103-1
Gaia DR2 6721790158039695360 HD 170385 GC 25257
 
 
WDS 18312-4344 I 1369 (HD 170385) : 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
18312-4344 I 1369 1944 3 239 4.2 7.87 11.90 B5IV 183113.74-434347.5
18312-4344 I 1369 2015 4 238 4.3 7.87 11.90 B5IV S 183113.74-434347.5

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

 
 
WDS 18312-4344 I 1369 (HD 170385) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18312-4344 I 1369 (HD 170385) : MEASURES
 
 
No records found.

 
 
WDS 18312-4344 (HD 170385) : VIRTUAL EYEPIECE
 
 

18312-4344 I 1369A mag 7.87 Sp B5IV 18312-4344 I 1369B sep 3.5 P.A. 228.90 mag 11.9 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 18312-4344 (HD 170385) : ALADIN DSS IMAGE @ 18h 31m 13.74s -43° 43' 47.5"
 
 
 
 
WDS 18312-4344 I 1369 (HD 170385) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18312-4344 I 1369 distance=1' 18308-4358 DON 905 distance=16' 18314-4322 CPO 81AB distance=22' 18314-4322 CPO 81AC distance=22' 18312-4312 DAM 677 distance=32' 18341-4358 BRT1064 distance=34' 18332-4413 CPO9269 distance=37' 18309-4307 BRT1061 distance=38' 18287-4318 DON 903 distance=38' 18325-4425 DON 908 distance=44' 18310-4434 CPO 589 distance=51' 18297-4438 TOI1118 distance=57' 18362-4402 BRT1068 distance=57' 18345-4433 BRT1065 distance=61' 18289-4246 CPO9267 distance=64' 18295-4243 DON 904 distance=64' 18304-4448 UC 3597 distance=65' 18298-4241 BRT1059 distance=65' 18359-4426 HDS2638 distance=66' 18364-4419 TSN 50 distance=67' 18257-4412 DON 898 distance=67' 18334-4240 CPO 82AB distance=69' 18334-4240 I 9020AC distance=69' 18243-4407 DUN 221 distance=79' 18366-4444 TDT 955 distance=84' 18297-4221 BRT1060 distance=84' 18390-4336 BRT1073AB distance=86' 18390-4336 DAM 113AC distance=86' 18387-4419 BRT1072 distance=88' 18269-4228 BRT1054 distance=90' 18278-4507 BRT1057 distance=92' 18341-4218 DON 910 distance=92' 18270-4223 BRT1055 distance=94' 18368-4233 CRI 20 distance=94' 18367-4500 CPO 594 distance=97' 18385-4247 DON 915 distance=99' 18312-4523 KPP4110 distance=99' 18382-4240 CPO 595 distance=100' 18228-4304 KPP3112 distance=100' 18404-4320 SKF1149 distance=103' 18302-4202 CPO 587 distance=103' 18233-4247 COO 224 distance=104' 18408-4330 DON 918 distance=105' 18323-4159 CPO9268 distance=106' 18218-4413 I 1363 distance=107' 18354-4522 UC 3621 distance=108' 18293-4157 B 2449 distance=109' 18329-4156 B 2453 distance=109' 18222-4434 CPO9265 distance=110' 18211-4344 BRT1045 distance=111' 18213-4416 BRT1046 distance=113' 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 18312-4344 I 1369 238 4.3 1
Show 18308-4358 DON 905 53 0.5 16
Show 18314-4322 CPO 81 AB 35 12.4 22
Show 18314-4322 CPO 81 AC 110 8.1 22
Show 18312-4312 DAM 677 210 3.5 32
Show 18341-4358 BRT1064 332 4.4 34
Show 18332-4413 CPO9269 317 4.0 37
Show 18309-4307 BRT1061 26 9.3 38
Show 18287-4318 DON 903 149 1.2 38
Show 18325-4425 DON 908 229 2.3 44
Show 18310-4434 CPO 589 293 8.3 51
Show 18297-4438 TOI1118 132 0.2 57
Show 18362-4402 BRT1068 141 1.8 57
Show 18345-4433 BRT1065 155 5.3 61
Show 18289-4246 CPO9267 36 5.6 64
Show 18295-4243 DON 904 108 1.2 64
Show 18304-4448 UC 3597 132 75.2 65
Show 18298-4241 BRT1059 23 2.7 65
Show 18359-4426 HDS2638 21 7.3 66
Show 18364-4419 TSN 50 346 174.9 67
Show 18257-4412 DON 898 24 0.5 67
Show 18334-4240 CPO 82 AB 45 5.9 69
Show 18334-4240 I 9020 AC 74 25.1 69
Show 18243-4407 DUN 221 162 74.0 79
Show 18366-4444 TDT 955 231 0.5 84
Show 18297-4221 BRT1060 179 3.2 84
Show 18390-4336 BRT1073 AB 285 4.3 86
Show 18390-4336 DAM 113 AC 153 10.2 86
Show 18387-4419 BRT1072 80 5.3 88
Show 18269-4228 BRT1054 165 3.5 90
Show 18278-4507 BRT1057 44 7.2 92
Show 18341-4218 DON 910 143 0.6 92
Show 18270-4223 BRT1055 81 5.5 94
Show 18368-4233 CRI 20 92 8.4 94
Show 18367-4500 CPO 594 234 5.0 97
Show 18385-4247 DON 915 211 2.5 99
Show 18312-4523 KPP4110 143 1.5 99
Show 18382-4240 CPO 595 17 3.9 100
Show 18228-4304 KPP3112 334 2.4 100
Show 18404-4320 SKF1149 22 42.5 103
Show 18302-4202 CPO 587 56 4.6 103
Show 18233-4247 COO 224 135 3.0 104
Show 18408-4330 DON 918 130 2.1 105
Show 18323-4159 CPO9268 83 5.3 106
Show 18218-4413 I 1363 297 0.8 107
Show 18354-4522 UC 3621 63 50.4 108
Show 18293-4157 B 2449 269 10.2 109
Show 18329-4156 B 2453 256 6.3 109
Show 18222-4434 CPO9265 204 4.9 110
Show 18211-4344 BRT1045 74 4.3 111
Show 18213-4416 BRT1046 311 5.1 113

 
 
WDS 18312-4344 : COMPONENTS
 
 
  A
B pa=228.9°
sep=3.46"
 
 
18312-4344 A
 
 
Componente originario normalizzato AB Name HD 170385 Coord arcsec 2000 183113.74-434347.5 Mag 7.87
Spectral class B5IV (blue-white) PmRA 0.00 PmDE -4.0 SAO 229084
Tycho2 7914-00103-1 HD 170385 GC 25257 DM CD-4312589
Tycho2
Tycho2 7914-00103-1 Pflag RAmdeg 277.80728727 DEmdeg -43.72988429
PmRA 3.3 PmDE -4.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.18 EpDEm 1991.32
Num 11 Q RAmdeg 2.2 Q DEmdeg 1.6 Q pmRA 2.1
Q pmDE 1.5 BTmag 7.721 E BTmag 0.016 VTmag 7.874
E VTmag 0.012 Prox 999 TYC T HIP
CCDM RAdeg 277.80727750 DEdeg -43.72987333 EpRA 1990 1.73
EpDE 1990 1.77 E RAdeg 4.8 E DEdeg 5.4 Posflg
Corr 0.0
SAO
SAO 229084 DelFlag RA1950 PmRA1950 0.0017
DE1950 PmDE1950 -0.002 Vmag 7.8 SpType B3
Double code Source 70 CatNum 25257 DM CD-4312589
DMcomp BDsup HD 170385 M HD 0
GC 25257 RA1950rad 4.83285993 DE1950rad -0.76385084 PmRA2000 0.0017
PmDE2000 -0.003
CCDM
Ccdm 18312-4344 RComp Comp A Note1
Note2 Discov num DRAs 1.76 DDEs 12.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp B3 PmNote *
PmRA 2 PmDE -3 Dm number -4312589 Cat1 CD
Name2 229084 Cat2 SAO HD 170385 M HD
ADS BDS M ADS BDS N IDS IDS 18240S4348A
HIC
 
 
18312-4344 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183113.50-434349.8 Mag 11.9 Calc delta mag 4.03
Calc coord yes
CCDM
Ccdm 18312-4344 RComp Comp B Note1
Note2 Discov num I 1369 DRAs DDEs
R dRAs Year 1928 Theta 238 Rho 4.2
Obs 2 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18240S4348B
HIC