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Current system
16000-6424
I 552 AB
HD 142734


Nearby doubles
13' : 16019-6424
HDS2260

16' : 16022-6430
NZO 69AB

20' : 15575-6414
B 853

26' : 16040-6425
RST 807

39' : 16012-6347
EVS 26AB

39' : 15590-6502
B 854AB

40' : 15597-6504
NZO 67

46' : 16012-6339
B 857

49' : 15556-6345
TDS9691

49' : 15547-6459
KPP 355

54' : 15577-6516
TDS 794

57' : 15523-6452
TDS9669

57' : 15530-6459
B 2371

59' : 16083-6447
RST5404

60' : 16005-6325
B 856

61' : 15520-6455
B 848

65' : 16039-6325
RST 808

66' : 16034-6322
B 859

67' : 15551-6326
LDS 542

74' : 15494-6358
TDS9642

75' : 15592-6310
KPP 891

77' : 16118-6433
B 862

78' : 16032-6538
TDS9743

78' : 16088-6518
NZO 74AB

80' : 15477-6425
TDS9627

81' : 16119-6403
B 863



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.

16000-6424 I 552 AB (HD 142734)

 
 
16h 00m 01.63s -64° 24' 05.4" P.A. 349.00 sep 0.9 mag 9.72,9.75 Sp A0
 
 
Coord 2000 16000-6424 Discov num I   552 Comp AB Coord arcsec 2000 16 00 01.63 -64 24 05.4
Date first 1913 Date last 2015 Obs 4
Pa first 344 Pa last 349.3 P.A. Now (θ) 349.3°
Sep first 0.9 Sep last 0.949 Sep. Now (ρ) 0.949"
Mag pri 9.72 Mag sec 9.75 delta mag (ΔM) 0.03 Spectral class A0 (white)
Pri motion ra +005 Sec motion ra +005
Pri motion dec -013 Sec motion dec -013
Notes
Nature of this double is uncertain.
 
 
16000-6424 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 142734 16 00 02 -64 24 05 I 552 AB 2015 4 349 0.9 9.72 9.75 0.03 <===
Show 16 00 02 -64 24 05 I 552 AC 2015 5 118 30.4 9.72 12.10 2.38
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 142734 Constellation Triangulum Australe Tycho2 9044-02446-1 Gaia DR2 5823087286667251584
HD 142734
 
 
WDS 16000-6424 I 552 AB (HD 142734) : 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
16000-6424 I 552 AB 1991 4 347 1.0 9.72 9.75 A0 160001.63-642405.4
16000-6424 I 552 AB 2015 4 349 0.9 9.72 9.75 A0 160001.63-642405.4

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

 
 
WDS 16000-6424 I 552 AB (HD 142734) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 16000-6424 I 552 AB (HD 142734) : MEASURES
 
 
No records found.

 
 
WDS 16000-6424 (HD 142734) : VIRTUAL EYEPIECE
 
 

16000-6424 I 552A mag 9.72 Sp A0 16000-6424 I 552B sep 0.9 P.A. 355.30 mag 9.75 16000-6424 I 552C sep 18.5 P.A. 141.40 mag 12.1 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 16000-6424 (HD 142734) : ALADIN DSS IMAGE @ 16h 00m 01.63s -64° 24' 05.4"
 
 
 
 
WDS 16000-6424 I 552 AB (HD 142734) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

16000-6424 I 552AB distance=0' 16019-6424 HDS2260 distance=13' 16022-6430 NZO 69AB distance=16' 15575-6414 B 853 distance=20' 16040-6425 RST 807 distance=26' 16012-6347 EVS 26AB distance=39' 16012-6347 EVS 26AC distance=39' 15590-6502 HDS2250Aa,Ab distance=39' 15590-6502 B 854AB distance=39' 15597-6504 NZO 67 distance=40' 16012-6339 B 857 distance=46' 15556-6345 TDS9691 distance=49' 15547-6459 KPP 355 distance=49' 15577-6516 TDS 794 distance=54' 15523-6452 TDS9669 distance=57' 15530-6459 B 2371 distance=57' 16083-6447 RST5404 distance=59' 16005-6325 B 856 distance=60' 15520-6455 B 848 distance=61' 16039-6325 RST 808 distance=65' 16034-6322 B 859 distance=66' 15551-6326 LDS 542 distance=67' 15494-6358 TDS9642 distance=74' 15592-6310 KPP 891 distance=75' 16118-6433 B 862 distance=77' 16032-6538 TDS9743 distance=78' 16088-6518 NZO 74AB distance=78' 16088-6518 NZO 74AC distance=78' 15477-6425 TDS9627 distance=80' 16119-6403 B 863 distance=81' 15550-6538 RST 800 distance=81' 15560-6541 TDS 793 distance=81' 15581-6545 R 268AB distance=82' 15581-6545 SHT 30AC distance=82' 15581-6545 SHT 30AD distance=82' 16116-6502 TDS9790 distance=83' 15470-6424 HDS2224 distance=85' 15537-6311 RST5400AB distance=85' 15537-6311 HLN 37AC distance=85' 15468-6423 B 845 distance=86' 16100-6329 COO 192 distance=86' 16134-6417 HDS2292 distance=88' 15582-6551 TDS9705 distance=88' 15486-6514 RSS 386 distance=89' 15568-6258 LDS 544 distance=89' 16010-6554 R 269 distance=90' 15529-6307 HDS2236AB distance=91' 16101-6532 HDS2283 distance=94' 16119-6520 BRT2010 distance=94' 15475-6335 TDS9624 distance=96' 15548-6554 NZO 65 distance=96' 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 16000-6424 I 552 AB 349 0.9
Show 16000-6424 I 552 AC 118 30.4
Show 16019-6424 HDS2260 8 0.2 13
Show 16022-6430 NZO 69 AB 3 6.1 16
Show 15575-6414 B 853 31 1.5 20
Show 16040-6425 RST 807 320 0.9 26
Show 16012-6347 EVS 26 AB 49 15.1 39
Show 16012-6347 EVS 26 AC 1 17.7 39
Show 15590-6502 HDS2250 Aa,Ab 246 0.2 39
Show 15590-6502 B 854 AB 283 9.9 39
Show 15597-6504 NZO 67 205 7.0 40
Show 16012-6339 B 857 226 4.2 46
Show 15556-6345 TDS9691 124 0.8 49
Show 15547-6459 KPP 355 167 4.8 49
Show 15577-6516 TDS 794 247 0.4 54
Show 15523-6452 TDS9669 223 0.8 57
Show 15530-6459 B 2371 338 1.0 57
Show 16083-6447 RST5404 130 0.5 59
Show 16005-6325 B 856 309 3.6 60
Show 15520-6455 B 848 247 3.9 61
Show 16039-6325 RST 808 69 3.8 65
Show 16034-6322 B 859 358 7.6 66
Show 15551-6326 LDS 542 233 152.1 67
Show 15494-6358 TDS9642 154 0.5 74
Show 15592-6310 KPP 891 292 7.4 75
Show 16118-6433 B 862 299 1.4 77
Show 16032-6538 TDS9743 46 2.4 78
Show 16088-6518 NZO 74 AB 311 4.3 78
Show 16088-6518 NZO 74 AC 318 35.8 78
Show 15477-6425 TDS9627 121 2.5 80
Show 16119-6403 B 863 6.1 81
Show 15550-6538 RST 800 71 0.6 81
Show 15560-6541 TDS 793 205 1.3 81
Show 15581-6545 R 268 AB 159 5.7 82
Show 15581-6545 SHT 30 AC 202 8.9 82
Show 15581-6545 SHT 30 AD 340 26.4 82
Show 16116-6502 TDS9790 209 0.9 83
Show 15470-6424 HDS2224 250 0.1 85
Show 15537-6311 RST5400 AB 194 3.6 85
Show 15537-6311 HLN 37 AC 181 9.1 85
Show 15468-6423 B 845 355 0.9 86
Show 16100-6329 COO 192 164 15.9 86
Show 16134-6417 HDS2292 333 10.4 88
Show 15582-6551 TDS9705 353 0.8 88
Show 15486-6514 RSS 386 15 10.3 89
Show 15568-6258 LDS 544 67 16.2 89
Show 16010-6554 R 269 127 1.9 90
Show 15529-6307 HDS2236 AB 142 0.6 91
Show 16101-6532 HDS2283 37 0.4 94
Show 16119-6520 BRT2010 45 3.1 94
Show 15475-6335 TDS9624 103 0.8 96

 
 
WDS 16000-6424 : COMPONENTS
 
 
  A B
B pa=355.3°
sep=0.94"
 
C pa=141.4°
sep=18.54"
pa=142.9°
sep=19.32"
 
 
16000-6424 A
 
 
Name HD 142734 Coord arcsec 2000 160001.63-642405.4 Mag 9.72 Spectral class A0 (white)
PmRA 5.00 PmDE -13.0 Tycho2 9044-02446-1 HD 142734
DM CP-64 3330
Tycho2
Tycho2 9044-02446-1 Pflag P RAmdeg 240.00678837 DEmdeg -64.40150479
PmRA 4.7 PmDE -12.7 E RAmdeg 13 E DEmdeg 12
E pmRA 2.2 E pmDE 2.1 EpRAm 1991.08 EpDEm 1991.18
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 9.918 E BTmag 0.022 VTmag 9.721
E VTmag 0.023 Prox 10 TYC T HIP
CCDM RAdeg 240.00683167 DEdeg -64.40160583 EpRA 1990 1.72
EpDE 1990 1.73 E RAdeg 12.7 E DEdeg 12.4 Posflg D
Corr -0.1
CCDM
Ccdm 16000-6424 RComp Comp A Note1
Note2 Discov num DRAs 1.61 DDEs -4.8
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp A0 PmNote *
PmRA 4 PmDE -7 Dm number -64 3330 Cat1 CPD
Name2 Cat2 HD 142734 M HD
ADS BDS M ADS BDS N IDS IDS 15510S6407A
HIC
 
 
16000-6424 B
 
 
Coord arcsec 2000 160001.62-642404.5 Mag 9.75 PmRA 5.00 PmDE -13.0
Tycho2 9044-02446-2 Calc delta mag 0.03 Calc coord yes
Tycho2
Tycho2 9044-02446-2 Pflag P RAmdeg 240.00678837 DEmdeg -64.40150479
PmRA 4.7 PmDE -12.7 E RAmdeg 13 E DEmdeg 12
E pmRA 2.2 E pmDE 2.1 EpRAm 1991.08 EpDEm 1991.18
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.4 Q pmRA 1.2
Q pmDE 0.4 BTmag 9.907 E BTmag 0.022 VTmag 9.748
E VTmag 0.023 Prox 10 TYC T HIP
CCDM RAdeg 240.00669306 DEdeg -64.40134778 EpRA 1990 1.73
EpDE 1990 1.73 E RAdeg 12.7 E DEdeg 12.5 Posflg D
Corr -0.1
CCDM
Ccdm 16000-6424 RComp Comp B Note1
Note2 Discov num I 552 DRAs DDEs
R dRAs Year 1913 Theta 343 Rho 1.0
Obs 2 Vmag 9.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 15510S6407B
HIC
 
 
16000-6424 C
 
 
Coord arcsec 2000 160003.42-642419.9 Mag 12.1 PmRA -2.00 PmDE -4.0
Calc delta mag 2.38 Calc coord yes