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Doubles in session


Current system
17085-4928
HJ 4916
HD 154538


Nearby doubles
27' : 17087-4955
RST 900

31' : 17111-4912
CPO 513

37' : 17116-4949
NSN 375

39' : 17085-4850
RST 899

44' : 17042-4919
HDS2415

45' : 17066-4848
BRT 945

46' : 17038-4935
LDS 581

60' : 17140-4902
RST 907

61' : 17147-4921
RST 910

61' : 17145-4913
RST 909AB

66' : 17124-5021
RST1938

66' : 17089-5034
HDS2421

69' : 17029-5010
COO 206AB

69' : 17024-4855
R 288AB

76' : 17020-5011
COO 204

79' : 17065-5043
RST1933

80' : 17165-4915
RST 914

82' : 17166-4910
RST 915

82' : 17053-5043
RST1931

84' : 17044-4815
VSP 49

85' : 17127-4814
SKF1052

87' : 17084-5055
BRT 946

88' : 16597-4911
CPO 507

89' : 17149-5032
SKF1414

91' : 17151-5033
I 1000

92' : 17082-4757
RST 898



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.

17085-4928 HJ 4916 (HD 154538)

 
 
17h 08m 31.57s -49° 28' 04.0" P.A. 276.00 sep 9.9 mag 8.65,9.18 Sp B3V
 
 
Coord 2000 17085-4928 Discov num HJ 4916 Comp Coord arcsec 2000 17 08 31.57 -49 28 04.0
Date first 1834 Date last 2015 Obs 18
Pa first 276 Pa last 275.7 P.A. Now (θ) 275.7°
Sep first 7.0 Sep last 9.862 Sep. Now (ρ) 9.862"
Mag pri 8.65 Mag sec 9.18 delta mag (ΔM) 0.53 Spectral class B3V (blue-white)
Pri motion ra +002 Sec motion ra +002
Pri motion dec -007 Sec motion dec -007
Notes T (Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154538 Constellation Ara SAO 227657 Tycho2 8336-00840-1
Gaia DR2 5926578921730646144 HD 154538 DM CP-49 9764
 
 
WDS 17085-4928 HJ 4916 (HD 154538) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma 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
17085-4928 HJ 4916 1999 15 276 9.9 8.65 9.18 B3V D 170831.57-492804.0
17085-4928 HJ 4916 2010 17 277 9.2 8.65 9.18 B3V 170831.57-492804.0
17085-4928 HJ 4916 2015 18 276 9.9 8.65 9.18 B3V 170831.57-492804.0

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

 
 
WDS 17085-4928 HJ 4916 (HD 154538) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17085-4928 HJ 4916 (HD 154538) : MEASURES
 
 
No records found.

 
 
WDS 17085-4928 (HD 154538) : VIRTUAL EYEPIECE
 
 

17085-4928 HJ 4916A mag 8.65 Sp B3V 17085-4928 HJ 4916B sep 6.5 P.A. 278.70 mag 9.18 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 17085-4928 (HD 154538) : ALADIN DSS IMAGE @ 17h 08m 31.57s -49° 28' 04.0"
 
 
 
 
WDS 17085-4928 HJ 4916 (HD 154538) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17085-4928 HJ 4916 distance=0' 17087-4955 RST 900 distance=27' 17111-4912 CPO 513 distance=31' 17116-4949 NSN 375 distance=37' 17085-4850 RST 899 distance=39' 17042-4919 HDS2415 distance=44' 17066-4848 BRT 945 distance=45' 17038-4935 LDS 581 distance=46' 17140-4902 RST 907 distance=60' 17147-4921 RST 910 distance=61' 17145-4913 RST 909AB distance=61' 17145-4913 RST 909AC distance=61' 17124-5021 RST1938 distance=66' 17089-5034 HDS2421 distance=66' 17029-5010 COO 206AB distance=69' 17029-5010 SIN 99AC distance=69' 17029-5010 SIN 99BC distance=69' 17024-4855 R 288AB distance=69' 17024-4855 HJ 4906AC distance=69' 17020-5011 COO 204 distance=76' 17065-5043 RST1933 distance=79' 17165-4915 RST 914 distance=80' 17166-4910 RST 915 distance=82' 17053-5043 RST1931 distance=82' 17044-4815 VSP 49 distance=84' 17127-4814 SKF1052 distance=85' 17084-5055 BRT 946 distance=87' 16597-4911 CPO 507 distance=88' 17149-5032 SKF1414 distance=89' 17151-5033 I 1000 distance=91' 17082-4757 RST 898 distance=92' 17004-4839 SEE 316 distance=94' 17068-4756 LDS 584 distance=95' 17176-4855 I 1601 distance=95' 17176-5010 I 1314 distance=98' 17098-5106 RST1937 distance=99' 17065-4751 KPP4024 distance=100' 17189-4920 B 2407 distance=102' 16587-4850 I 996 distance=104' 17137-4757 RST 906 distance=105' 17040-5105 DUN 212AB distance=107' 17040-5105 R 289AC distance=107' 17040-5105 R 289AE distance=107' 17040-5105 R 289AF distance=107' 17040-5105 R 289AD distance=107' 17040-5105 R 289BC distance=107' 17040-5105 R 289BE distance=107' 17040-5105 R 289BF distance=107' 17191-4902 RST 918 distance=107' 17040-5105 R 289CG distance=107' 17040-5105 R 289CH distance=107' 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 17085-4928 HJ 4916 276 9.9
Show 17087-4955 RST 900 145 1.6 27
Show 17111-4912 CPO 513 193 4.2 31
Show 17116-4949 NSN 375 166 29.0 37
Show 17085-4850 RST 899 117 0.6 39
Show 17042-4919 HDS2415 225 0.2 44
Show 17066-4848 BRT 945 247 5.5 45
Show 17038-4935 LDS 581 316 8.5 46
Show 17140-4902 RST 907 150 0.3 60
Show 17147-4921 RST 910 200 1.9 61
Show 17145-4913 RST 909 AB 196 0.6 61
Show 17145-4913 RST 909 AC 205 2.7 61
Show 17124-5021 RST1938 102 0.9 66
Show 17089-5034 HDS2421 121 0.6 66
Show 17029-5010 COO 206 AB 233 8.0 69
Show 17029-5010 SIN 99 AC 129 57.8 69
Show 17029-5010 SIN 99 BC 122 60.5 69
Show 17024-4855 R 288 AB 51 2.5 69
Show 17024-4855 HJ 4906 AC 235 15.6 69
Show 17020-5011 COO 204 53 4.3 76
Show 17065-5043 RST1933 3 3.6 79
Show 17165-4915 RST 914 118 1.2 80
Show 17166-4910 RST 915 325 1.1 82
Show 17053-5043 RST1931 290 0.3 82
Show 17044-4815 VSP 49 105 0.1 84
Show 17127-4814 SKF1052 300 7.6 85
Show 17084-5055 BRT 946 203 5.6 87
Show 16597-4911 CPO 507 277 6.4 88
Show 17149-5032 SKF1414 195 18.7 89
Show 17151-5033 I 1000 168 1.1 91
Show 17082-4757 RST 898 102 1.7 92
Show 17004-4839 SEE 316 173 1.0 94
Show 17068-4756 LDS 584 325 37.3 95
Show 17176-4855 I 1601 169 1.6 95
Show 17176-5010 I 1314 330 2.7 98
Show 17098-5106 RST1937 308 2.1 99
Show 17065-4751 KPP4024 51 15.2 100
Show 17189-4920 B 2407 122 9.6 102
Show 16587-4850 I 996 179 1.8 104
Show 17137-4757 RST 906 54 2.5 105
Show 17040-5105 DUN 212 AB 283 16.2 107
Show 17040-5105 R 289 AC 241 13.3 107
Show 17040-5105 R 289 AE 254 41.6 107
Show 17040-5105 R 289 AF 203 60.5 107
Show 17040-5105 R 289 AD 151 28.0 107
Show 17040-5105 R 289 BC 158 11.0 107
Show 17040-5105 R 289 BE 238 28.6 107
Show 17040-5105 R 289 BF 188 59.9 107
Show 17191-4902 RST 918 310 0.5 107
Show 17040-5105 R 289 CG 157 10.2 107
Show 17040-5105 R 289 CH 232 7.1 107

 
 
WDS 17085-4928 : COMPONENTS
 
 
  A
B pa=278.7°
sep=6.45"
 
 
17085-4928 A
 
 
Componente originario normalizzato AB Name HD 154538 Coord arcsec 2000 170831.57-492804.0 Mag 8.65
Spectral class B3V (blue-white) PmRA 2.00 PmDE -7.0 SAO 227657
Tycho2 8336-00840-1 HD 154538 DM CP-49 9764
Tycho2
Tycho2 8336-00840-1 Pflag RAmdeg 257.13153951 DEmdeg -49.46776784
PmRA 0.2 PmDE -10.9 E RAmdeg 9 E DEmdeg 9
E pmRA 1.3 E pmDE 1.3 EpRAm 1990.83 EpDEm 1990.87
Num 7 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.0
Q pmDE 1.0 BTmag 8.783 E BTmag 0.020 VTmag 8.645
E VTmag 0.017 Prox 99 TYC T HIP
CCDM RAdeg 257.13153861 DEdeg -49.46774278 EpRA 1990 1.74
EpDE 1990 1.74 E RAdeg 8.7 E DEdeg 9.4 Posflg
Corr -0.1
SAO
SAO 227657 DelFlag RA1950 PmRA1950 -0.0004
DE1950 PmDE1950 -0.02 Vmag 8.5 SpType B5
Double code Source 48 CatNum 15797 DM CP-49 9764
DMcomp A BDsup HD 154538 M HD 0
GC RA1950rad 4.47108106 DE1950rad -0.86225112 PmRA2000 -0.0006
PmDE2000 -0.021
CCDM
Ccdm 17085-4928 RComp Comp A Note1
Note2 Discov num DRAs 1.52 DDEs -4.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.2 Sp B5 PmNote *
PmRA 15 PmDE -16 Dm number -4911187 Cat1 CD
Name2 227657 Cat2 SAO HD 154538 M HD
ADS BDS M ADS BDS N IDS IDS 17009S4920A
HIC
 
 
17085-4928 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 170830.92-492803.0 Mag 9.18 PmRA 2.00
PmDE -7.0 Tycho2 8336-00840-2 Calc delta mag 0.53 Calc coord yes
Tycho2
Tycho2 8336-00840-2 Pflag RAmdeg 257.12736027 DEmdeg -49.46750095
PmRA 3.5 PmDE -11.2 E RAmdeg 13 E DEmdeg 14
E pmRA 1.9 E pmDE 1.9 EpRAm 1991.21 EpDEm 1991.10
Num 3 Q RAmdeg 3.5 Q DEmdeg 1.5 Q pmRA 3.5
Q pmDE 1.5 BTmag 9.375 E BTmag 0.024 VTmag 9.179
E VTmag 0.023 Prox 99 TYC T HIP
CCDM RAdeg 257.12734778 DEdeg -49.46747528 EpRA 1990 1.73
EpDE 1990 1.75 E RAdeg 13.2 E DEdeg 14.2 Posflg
Corr -0.2
CCDM
Ccdm 17085-4928 RComp Comp B Note1
Note2 Discov num HJ 4916 DRAs 0.45 DDEs -2.2
R dRAs 91 Year 1879 Theta 277 Rho 9.8
Obs 3 Vmag 9.6 Sp PmNote *
PmRA -1 PmDE -8 Dm number Cat1
Name2 227656 Cat2 SAO HD M HD
ADS BDS M ADS BDS N IDS IDS 17009S4920B
HIC