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Doubles in session


Current system
17195-5422
HJ 4930
HD 156240


Nearby doubles
29' : 17171-5403
CPO 517

37' : 17180-5347
RST3083

40' : 17239-5413
TDS 864

51' : 17137-5425
R 294

51' : 17209-5511
TDT 316

51' : 17243-5354
KPP 397

59' : 17193-5323
DUN 215AB

63' : 17166-5519
RST 913

69' : 17133-5340
FIN 52

72' : 17220-5528
BRT3183

77' : 17232-5313
TDT 331

86' : 17097-5420
HJ 4917

88' : 17123-5523
HDS2430AB

92' : 17299-5416
CVN 102AB

93' : 17134-5306
B 2406

93' : 17286-5510
HDO 273

98' : 17182-5245
B 1854

100' : 17308-5410
TDT 391

104' : 17303-5341
TDT 387

107' : 17297-5519
BRT2581

110' : 17228-5608
RST 921

110' : 17253-5600
HDS2459

113' : 17074-5345
RST3067

113' : 17107-5300
NSN 374

115' : 17255-5604
RST 925

116' : 17123-5245
B 1850



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.

17195-5422 HJ 4930 (HD 156240)

 
 
17h 19m 28.85s -54° 21' 49.2" P.A. 41.00 sep 8.7 mag 8.89,10.60 Sp A8IV dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000 17195-5422 Discov num HJ 4930 Comp Coord arcsec 2000 17 19 28.85 -54 21 49.2
Date first 1836 Date last 2015 Obs 11
Pa first 45 Pa last 40.8 P.A. Now (θ) 40.8°
Sep first 10.0 Sep last 8.678 Sep. Now (ρ) 8.678"
Mag pri 8.89 Mag sec 10.60 delta mag (ΔM) 1.71 Spectral class A8IV (white)
Pri motion ra -005 Sec motion ra +004
Pri motion dec -047 Sec motion dec -033
Notes
rPM=0.352
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 156240 Constellation Ara SAO 244625 HIP 84755
Tycho2 8727-00654-1 Gaia DR2 5923135728006454272 HD 156240 CP CP-54 8193
Distance 154.56 Distance ly 504.17
 
 
WDS 17195-5422 HJ 4930 (HD 156240) : 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
17195-5422 HJ 4930 2000 8 41 8.6 8.89 10.60 A8IV D 171928.85-542149.2
17195-5422 HJ 4930 2015 10 41 8.6 8.89 10.60 A8IV 171928.85-542149.2

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

 
 
WDS 17195-5422 HJ 4930 (HD 156240) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17195-5422 HJ 4930 (HD 156240) : MEASURES
 
 
No records found.

 
 
WDS 17195-5422 (HD 156240) : VIRTUAL EYEPIECE
 
 

17195-5422 HJ 4930A mag 8.89 Sp A8IV 17195-5422 HJ 4930B sep 7.3 P.A. 26.70 mag 10.6 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 17195-5422 (HD 156240) : ALADIN DSS IMAGE @ 17h 19m 28.85s -54° 21' 49.2"
 
 
 
 
WDS 17195-5422 HJ 4930 (HD 156240) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17195-5422 HJ 4930 distance=0' 17171-5403 CPO 517 distance=29' 17180-5347 RST3083 distance=37' 17239-5413 TDS 864 distance=40' 17137-5425 R 294 distance=51' 17209-5511 TDT 316 distance=51' 17243-5354 KPP 397 distance=51' 17193-5323 DUN 215CD distance=59' 17193-5323 DUN 215AB distance=59' 17193-5323 DUN 215AC distance=59' 17166-5519 RST 913 distance=63' 17133-5340 FIN 52 distance=69' 17220-5528 BRT3183 distance=72' 17232-5313 TDT 331 distance=77' 17097-5420 HJ 4917 distance=86' 17123-5523 HDS2430AB distance=88' 17299-5416 CVN 102AB distance=92' 17299-5416 CVN 102AC distance=92' 17299-5416 CVN 102AD distance=92' 17299-5416 CVN 102AE distance=92' 17299-5416 CVN 102AF distance=92' 17134-5306 B 2406 distance=93' 17286-5510 HDO 273 distance=93' 17182-5245 B 1854 distance=98' 17308-5410 TDT 391 distance=100' 17303-5341 TDT 387 distance=104' 17297-5519 BRT2581 distance=107' 17228-5608 RST 921 distance=110' 17253-5600 HDS2459 distance=110' 17074-5345 RST3067 distance=113' 17107-5300 NSN 374 distance=113' 17255-5604 RST 925 distance=115' 17123-5245 B 1850 distance=116' 17279-5253 KPP4039AB distance=117' 17214-5226 B 2833AB distance=118' 17214-5226 B 2833BC distance=118' 17251-5613 RST 923 distance=121' 17303-5308 RST3101 distance=121' 17254-5233 LPO 62 distance=121' 17284-5558 CPO 526 distance=123' 17207-5625 FIN 255AB distance=125' 17207-5625 HJ 4938AB,C distance=125' 17059-5342 KPP 389 distance=126' 17078-5539 RST 897 distance=127' 17056-5346 RST3064 distance=128' 17326-5519 BRT3184 distance=128' 17215-5628 HJ 4939 distance=128' 17252-5621 BRT3318 distance=129' 17149-5218 B 1852 distance=131' 17254-5623 HJ 4942AB distance=131' 17254-5623 HJ 4942AC distance=131' 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 17195-5422 HJ 4930 41 8.7
Show 17171-5403 CPO 517 198 6.2 29
Show 17180-5347 RST3083 211 2.9 37
Show 17239-5413 TDS 864 244 1.5 40
Show 17137-5425 R 294 116 14.4 51
Show 17209-5511 TDT 316 280 0.9 51
Show 17243-5354 KPP 397 140 3.7 51
Show 17193-5323 DUN 215 CD 157 13.0 59
Show 17193-5323 DUN 215 AB 43 61.6 59
Show 17193-5323 DUN 215 AC 89 63.3 59
Show 17166-5519 RST 913 162 1.1 63
Show 17133-5340 FIN 52 124 5.1 69
Show 17220-5528 BRT3183 18 4.9 72
Show 17232-5313 TDT 331 94 0.4 77
Show 17097-5420 HJ 4917 35 15.1 86
Show 17123-5523 HDS2430 AB 119 13.3 88
Show 17299-5416 CVN 102 AB 255 2.8 92
Show 17299-5416 CVN 102 AC 28 4.4 92
Show 17299-5416 CVN 102 AD 130 6.2 92
Show 17299-5416 CVN 102 AE 97 6.4 92
Show 17299-5416 CVN 102 AF 166 6.9 92
Show 17134-5306 B 2406 84 8.0 93
Show 17286-5510 HDO 273 147 38.2 93
Show 17182-5245 B 1854 102 1.4 98
Show 17308-5410 TDT 391 330 0.6 100
Show 17303-5341 TDT 387 116 0.7 104
Show 17297-5519 BRT2581 183 5.0 107
Show 17228-5608 RST 921 40 1.2 110
Show 17253-5600 HDS2459 174 0.2 110
Show 17074-5345 RST3067 60 4.1 113
Show 17107-5300 NSN 374 343 1.2 113
Show 17255-5604 RST 925 73 0.6 115
Show 17123-5245 B 1850 216 5.0 116
Show 17279-5253 KPP4039 AB 309 9.5 117
Show 17214-5226 B 2833 AB 308 23.9 118
Show 17214-5226 B 2833 BC 14 4.8 118
Show 17251-5613 RST 923 337 5.4 121
Show 17303-5308 RST3101 169 1.6 121
Show 17254-5233 LPO 62 90 10.1 121
Show 17284-5558 CPO 526 26 8.2 123
Show 17207-5625 FIN 255 AB 108 0.4 125
Show 17207-5625 HJ 4938 AB,C 109 25.0 125
Show 17059-5342 KPP 389 317 3.7 126
Show 17078-5539 RST 897 98 1.5 127
Show 17056-5346 RST3064 136 0.2 128
Show 17326-5519 BRT3184 143 5.4 128
Show 17215-5628 HJ 4939 227 29.6 128
Show 17252-5621 BRT3318 105 2.7 129
Show 17149-5218 B 1852 128 1.5 131
Show 17254-5623 HJ 4942 AB 326 18.4 131
Show 17254-5623 HJ 4942 AC 64 41.2 131

 
 
WDS 17195-5422 : COMPONENTS
 
 
  A
B pa=26.7°
sep=7.35"
 
 
17195-5422 A
 
 
Componente originario normalizzato AB Name HD 156240 Coord arcsec 2000 171928.85-542149.2 Mag 8.89
Spectral class A8IV (white) PmRA -5.00 PmDE -47.0 SAO 244625
HIP 84755 Tycho2 8727-00654-1 HD 156240 CP CP-54 8193
Tycho2
Tycho2 8727-00654-1 Pflag RAmdeg 259.87022714 DEmdeg -54.36367276
PmRA -12.9 PmDE -60.5 E RAmdeg 11 E DEmdeg 12
E pmRA 1.8 E pmDE 2.3 EpRAm 1990.08 EpDEm 1990.39
Num 5 Q RAmdeg 4.2 Q DEmdeg 3.1 Q pmRA 4.4
Q pmDE 3.2 BTmag 9.176 E BTmag 0.022 VTmag 8.894
E VTmag 0.019 Prox 87 TYC T HIP 84755
CCDM A RAdeg 259.87027833 DEdeg -54.36352944 EpRA 1990 1.65
EpDE 1990 1.44 E RAdeg 10.8 E DEdeg 11.7 Posflg
Corr 0.1
SAO
SAO 244625 DelFlag RA1950 PmRA1950 0.0007
DE1950 PmDE1950 -0.06 Vmag 8.6 SpType A3
Double code Source 42 CatNum 6782 DM CP-54 8193
DMcomp BDsup HD 156240 M HD 0
GC RA1950rad 4.51775531 DE1950rad -0.94791678 PmRA2000 0.0003
PmDE2000 -0.061
Hipparcos
Catalog H HIP 84755 Proxy H RAhms 17 19 28.87
DEdms -54 21 48.7 Vmag 8.59 VarFlag 2 R Vmag H
RAdeg 259.87 DEdeg -54.3635 AstroRef A Plx 7.74
CCDM 17195-5422 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 41 Rho 8.659 HD 156240 BD
CD CP CP-54 8193 Dm number -54 8193 VIred 0.28
SpType A8IV R SpType Coord arcsec 2000 171928.87-542148.7
Hipparcos 2
HIP 84755 Sn 15 So 3 Nc 2
RArad 4.5355919261 DErad -0.9488225485 Plx 6.47 PmRA -2.43
PmDE -45.44 E RArad 1.42 E DErad 1.2 E Plx 1.34
E pmRA 1.85 E pmDE 1.25 Hpmag 8.6856 E Hpmag 0.0038
SHp 0.029 VA 2 BV 0.386 E BV 0.029
VI 0.45
CCDM
Ccdm 17195-5422 RComp Comp A Note1
Note2 Discov num DRAs -1.07 DDEs 9.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.9 Sp A3 PmNote *
PmRA 6 PmDE -60 Dm number -54 8193 Cat1 CPD
Name2 244625 Cat2 SAO HD 156240 M HD
ADS BDS M ADS BDS N IDS IDS 17113S5415A
HIC 84755
 
 
17195-5422 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 171929.23-542142.6 Mag 10.6 PmRA 4.00
PmDE -33.0 Tycho2 8727-01772-1 Calc delta mag 1.71 Calc coord yes
Tycho2
Tycho2 8727-01772-1 Pflag RAmdeg 259.87291745 DEmdeg -54.36183439
PmRA -14.2 PmDE -53.4 E RAmdeg 56 E DEmdeg 64
E pmRA 4.3 E pmDE 4.0 EpRAm 1989.87 EpDEm 1988.78
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 11.478 E BTmag 0.107 VTmag 10.603
E VTmag 0.079 Prox 87 TYC T HIP 84755
CCDM B RAdeg 259.87297417 DEdeg -54.36170694 EpRA 1990 1.63
EpDE 1990 1.41 E RAdeg 56.5 E DEdeg 65.1 Posflg
Corr 0.3
CCDM
Ccdm 17195-5422 RComp Comp B Note1
Note2 Discov num HJ 4930 DRAs -0.51 DDEs 15.9
R dRAs 90 Year 1934 Theta 042 Rho 8.7
Obs 3 Vmag 10.4 Sp PmNote *
PmRA -5 PmDE -67 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17113S5415B
HIC 84755