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Doubles in session


Current system
17026-5504
HDS 2411 Aa,Ab


Nearby doubles
19' : 17036-5448
WFC 184

36' : 17001-5436
HDO 262

52' : 17023-5556
CPO 510

57' : 17078-5539
RST 897

60' : 16556-5458
BRT2580

63' : 17015-5606
RST 892

66' : 16566-5547
RST 886

67' : 16556-5434
RST3056AB

71' : 16547-5447
TDT 138

77' : 17097-5420
HJ 4917

83' : 16548-5417
RST3055

83' : 17056-5346
RST3064

86' : 17123-5523
HDS2430AB

87' : 17059-5342
KPP 389

90' : 17074-5345
RST3067

90' : 17011-5633
HLD 131

93' : 16573-5344
JNN 318AB

96' : 16515-5518
RST 884

102' : 16570-5636
RST3057

104' : 16551-5343
TDT 141

105' : 17101-5627
MOC 11

105' : 17137-5425
R 294

111' : 17031-5314
HDO 263AB

111' : 16506-5548
I 572

111' : 17036-5655
BRT2821

117' : 16589-5312
WIS 307



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.

17026-5504 HDS 2411 Aa,Ab

 
 
17h 02m 33.08s -55° 04' 15.9" P.A. 9.00 sep 0.2 mag 9.41,10.61 Sp C+
 
 
Coord 2000 17026-5504 Discov num HDS2411 Comp Aa,Ab Coord arcsec 2000 17 02 33.08 -55 04 15.9
Date first 1991 Date last 1991 Obs 1
Pa first 9 Pa last 9 P.A. Now (θ) 9°
Sep first 0.2 Sep last 0.205 Sep. Now (ρ) 0.205"
Mag pri 9.41 Mag sec 10.61 delta mag (ΔM) 1.2 Spectral class C+ (red carbon star)
Pri motion ra -003 Sec motion ra
Pri motion dec -010 Sec motion dec
Notes N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
17026-5504 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 17 02 33 -55 04 16 HDS 2411 Aa,Ab 1991 1 9 0.2 9.41 10.61 1.20 <===
Show T Ara 17 02 33 -55 04 16 HJ 4905 AB 2015 11 54 39.5 9.55 10.91 1.36
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ara Tycho2 8730-00627-1 Gaia DR2 5917694867768273920
 
 
WDS 17026-5504 HDS 2411 Aa,Ab : NOTES
 
 
discov_num notes refcode
HJ 4905 A is the semiregular variable T Ara. B is CPD-54@7976.
 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
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
17026-5504 HDS2411 Aa,Ab 1991 1 9 0.2 9.41 10.61 C+ 170233.08-550415.9

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

 
 
WDS 17026-5504 HDS 2411 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17026-5504 HDS 2411 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 17026-5504 : VIRTUAL EYEPIECE
 
 

17026-5504 HJ 4905A mag 9.55 Sp N 17026-5504 HDS2411Ab sep 0.2 P.A. 5.20 mag 10.61 17026-5504 HJ 4905B sep 29.6 P.A. 38.00 mag 10.91 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 17026-5504 : ALADIN DSS IMAGE @ 17h 02m 33.08s -55° 04' 15.9"
 
 
 
 
WDS 17026-5504 HDS 2411 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17026-5504 HDS2411Aa,Ab distance=0' 17036-5448 WFC 184 distance=19' 17001-5436 HDO 262 distance=36' 17023-5556 CPO 510 distance=52' 17078-5539 RST 897 distance=57' 16556-5458 BRT2580 distance=60' 17015-5606 RST 892 distance=63' 16566-5547 RST 886 distance=66' 16556-5434 RST3056AB distance=67' 16556-5434 BVD 119AB,C distance=67' 16547-5447 TDT 138 distance=71' 17097-5420 HJ 4917 distance=77' 16548-5417 RST3055 distance=83' 17056-5346 RST3064 distance=83' 17123-5523 HDS2430AB distance=86' 17059-5342 KPP 389 distance=87' 17074-5345 RST3067 distance=90' 17011-5633 HLD 131 distance=90' 16573-5344 JNN 318AB distance=93' 16573-5344 JNN 318AC distance=93' 16573-5344 SYU 11Aa,Ab distance=93' 16515-5518 RST 884 distance=96' 16570-5636 RST3057 distance=102' 16551-5343 TDT 141 distance=104' 17101-5627 MOC 11 distance=105' 17137-5425 R 294 distance=105' 17031-5314 HDS2412Aa,Ab distance=111' 17031-5314 HDO 263AB distance=111' 17031-5314 SKF 103AC distance=111' 16506-5548 I 572 distance=111' 17036-5655 BRT2821 distance=111' 16589-5312 WIS 307 distance=117' 16492-5441 HU 1606 distance=118' 16503-5413 RST3044 distance=119' 17047-5306 I 1309 distance=120' 16487-5526 HDS2383Aa,Ab distance=121' 16487-5526 DUN 210AB distance=121' 17166-5519 RST 913 distance=121' 16533-5334 RST3047 distance=122' 17035-5709 TDT 193 distance=125' 17133-5340 FIN 52 distance=127' 16509-5636 NSN 376 distance=135' 17171-5403 CPO 517 distance=142' 17107-5710 RST 903 distance=144' 17107-5300 NSN 374 distance=144' 16466-5420 RST3039 distance=145' 17134-5306 B 2406 distance=152' 16448-5517 RST 877 distance=152' 17195-5422 HJ 4930 distance=153' 16450-5543 HDS2375 distance=155' 17180-5347 RST3083 distance=156' 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 17026-5504 HDS2411 Aa,Ab 9 0.2
Show 17026-5504 HJ 4905 AB 54 39.5
Show 17036-5448 WFC 184 142 14.2 19
Show 17001-5436 HDO 262 51 25.2 36
Show 17023-5556 CPO 510 14 8.4 52
Show 17078-5539 RST 897 98 1.5 57
Show 16556-5458 BRT2580 105 5.6 60
Show 17015-5606 RST 892 48 0.6 63
Show 16566-5547 RST 886 229 1.9 66
Show 16556-5434 RST3056 AB 69 2.1 67
Show 16556-5434 BVD 119 AB,C 353 27.1 67
Show 16547-5447 TDT 138 285 0.6 71
Show 17097-5420 HJ 4917 35 15.1 77
Show 16548-5417 RST3055 31 1.4 83
Show 17056-5346 RST3064 136 0.2 83
Show 17123-5523 HDS2430 AB 119 13.3 86
Show 17059-5342 KPP 389 317 3.7 87
Show 17074-5345 RST3067 60 4.1 90
Show 17011-5633 HLD 131 134 2.2 90
Show 16573-5344 JNN 318 AB 102 3.2 93
Show 16573-5344 JNN 318 AC 298 3.5 93
Show 16573-5344 SYU 11 Aa,Ab 0.1 93
Show 16515-5518 RST 884 223 4.1 96
Show 16570-5636 RST3057 32 0.5 102
Show 16551-5343 TDT 141 47 0.6 104
Show 17101-5627 MOC 11 191 4.6 105
Show 17137-5425 R 294 116 14.4 105
Show 17031-5314 HDS2412 Aa,Ab 151 0.7 111
Show 17031-5314 HDO 263 AB 18 46.1 111
Show 17031-5314 SKF 103 AC 258 113.6 111
Show 16506-5548 I 572 166 4.0 111
Show 17036-5655 BRT2821 93 3.8 111
Show 16589-5312 WIS 307 124 85.4 117
Show 16492-5441 HU 1606 182 1.7 118
Show 16503-5413 RST3044 183 0.9 119
Show 17047-5306 I 1309 307 2.8 120
Show 16487-5526 HDS2383 Aa,Ab 232 0.2 121
Show 16487-5526 DUN 210 AB 351 75.7 121
Show 17166-5519 RST 913 162 1.1 121
Show 16533-5334 RST3047 105 1.6 122
Show 17035-5709 TDT 193 330 0.5 125
Show 17133-5340 FIN 52 124 5.1 127
Show 16509-5636 NSN 376 158 2.9 135
Show 17171-5403 CPO 517 198 6.2 142
Show 17107-5710 RST 903 223 0.3 144
Show 17107-5300 NSN 374 343 1.2 144
Show 16466-5420 RST3039 4 2.4 145
Show 17134-5306 B 2406 84 8.0 152
Show 16448-5517 RST 877 190 2.3 152
Show 17195-5422 HJ 4930 41 8.7 153
Show 16450-5543 HDS2375 260 0.6 155

 
 
WDS 17026-5504 : COMPONENTS
 
 
  A Ab
Ab pa=5.2°
sep=0.20"
 
B pa=38.0°
sep=29.61"
pa=38.3°
sep=29.44"
 
 
17026-5504 A
 
 
Var name T Ara Coord arcsec 2000 170233.08-550415.9 Mag 9.55 Spectral class N (deep red)
PmRA -3.00 PmDE -10.0 HIP 83387 Tycho2 8730-00627-1
HD 153432 CD CD-54 7100 CP CP-54 7975
Tycho2
Tycho2 8730-00627-1 Pflag RAmdeg 255.63781492 DEmdeg -55.07111305
PmRA -3.8 PmDE -10.2 E RAmdeg 23 E DEmdeg 24
E pmRA 2.5 E pmDE 2.5 EpRAm 1986.09 EpDEm 1985.49
Num 3 Q RAmdeg 1.4 Q DEmdeg 0.9 Q pmRA 1.4
Q pmDE 0.9 BTmag 13.844 E BTmag 0.598 VTmag 9.552
E VTmag 0.030 Prox 383 TYC T HIP 83387
CCDM AC RAdeg 255.63783250 DEdeg -55.07109028 EpRA 1990 1.54
EpDE 1990 1.59 E RAdeg 26.8 E DEdeg 29.0 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 83387 Proxy H RAhms 17 02 33.08
DEdms -55 04 15.9 Vmag 9.02 VarFlag 2 R Vmag H
RAdeg 255.638 DEdeg -55.0711 AstroRef * Plx 1.57
CCDM 17026-5504 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual B M HIP AC
Theta 9 Rho 0.205 HD 153432 BD
CD CD-54 7100 CP CP-54 7975 Dm number -54 7100 VIred 2.09
SpType C+ R SpType Coord arcsec 2000 170233.08-550415.9
Hipparcos 2
HIP 83387 Sn 55 So 3 Nc 2
RArad 4.4617219472 DErad -0.9611717723 Plx 1.49 PmRA -4.52
PmDE -10.93 E RArad 1.2 E DErad 0.98 E Plx 1.43
E pmRA 1.51 E pmDE 1.23 Hpmag 9.0949 E Hpmag 0.0423
SHp 0.172 VA 0 BV 2.1 E BV 0.51
VI 2.09
CCDM
Ccdm 17026-5504 RComp Comp A Note1
Note2 Discov num DRAs -2.92 DDEs -16.1
R dRAs 82 Year Theta Rho
Obs 3 Vmag 9.4 Sp NB PmNote
PmRA -3 PmDE -10 Dm number -54 7975 Cat1 CPD
Name2 Cat2 HD 153432 M HD
ADS BDS M ADS BDS N IDS IDS 16544S5455A
HIC 83387
 
 
17026-5504 Ab
 
 
Coord arcsec 2000 170233.08-550415.7 Mag 10.61 Calc delta mag 1.2 Calc coord yes
 
 
17026-5504 B
 
 
Coord arcsec 2000 170235.20-550352.6 Mag 10.91 PmRA 18.00 PmDE 47.0
HIP 83390 Tycho2 8730-01145-1 CP CP-54 7976 Calc delta mag 1.5
Calc coord yes
Tycho2
Tycho2 8730-01145-1 Pflag RAmdeg 255.65311923 DEmdeg -55.06491693
PmRA 13.5 PmDE 38.4 E RAmdeg 67 E DEmdeg 75
E pmRA 3.3 E pmDE 3.1 EpRAm 1986.17 EpDEm 1983.37
Num 4 Q RAmdeg 1.2 Q DEmdeg 2.1 Q pmRA 1.2
Q pmDE 2.1 BTmag 12.156 E BTmag 0.190 VTmag 10.906
E VTmag 0.095 Prox 383 TYC T HIP 83390
CCDM RAdeg 255.65306722 DEdeg -55.06500306 EpRA 1990 1.56
EpDE 1990 1.52 E RAdeg 69.2 E DEdeg 79.2 Posflg
Corr 0.0
Hipparcos
Catalog H HIP 83390 Proxy RAhms 17 02 36.73
DEdms -55 03 53.9 Vmag 10.95 VarFlag 2 R Vmag H
RAdeg 255.653 DEdeg -55.065 AstroRef Plx 10.99
CCDM 17026-5504 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CP CP-54 7976 Dm number -54 7976 VIred 0.76
SpType R SpType Coord arcsec 2000 170236.73-550353.9
Hipparcos 2
HIP 83390 Sn 5 So 0 Nc 1
RArad 4.4619869914 DErad -0.9610651243 Plx 8.08 PmRA 21.86
PmDE 50.96 E RArad 2.45 E DErad 1.97 E Plx 2.9
E pmRA 3.09 E pmDE 2.47 Hpmag 11.0872 E Hpmag 0.0096
SHp 0.066 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 17026-5504 RComp Comp B Note1
Note2 Discov num HJ 4905 DRAs 0.74 DDEs 6.6
R dRAs 82 Year 1872 Theta 060 Rho 34.1
Obs 3 Vmag 11.1 Sp PmNote
PmRA 22 PmDE 54 Dm number -54 7976 Cat1 CPD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 16544S5455B
HIC 83390