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Doubles in session


Current system
17502-5017
HJ 4981
HD 161793


Nearby doubles
17' : 17515-5007
HDS2519

20' : 17500-4958
TDT 525

22' : 17481-5025
I 1337

30' : 17500-5046
I 1340

38' : 17537-5002
I 1344

39' : 17525-4947
TDT 551

44' : 17476-5053
CPO 554

48' : 17530-5057
I 1342AB

48' : 17506-4930
B 2416

52' : 17556-5022
CPO 564AB

53' : 17456-5047
CPO 17

58' : 17512-4921
RST 951

59' : 17445-4957
B 354

59' : 17530-5111
CPO 560

61' : 17563-5003
TDT 582

64' : 17557-5055
BRT1003

65' : 17569-5011
BRT1005

65' : 17534-5115
RST5600

71' : 17461-4920
BRT 991

76' : 17457-4915
RST 946

79' : 17583-5010
HDS2533

83' : 17536-5133
CPO 561

88' : 17523-5143
HDS2521

91' : 17595-5005
TDT 617

93' : 17445-4904
RST 945

95' : 17532-5148
RST 952



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.

17502-5017 HJ 4981 (HD 161793)

 
 
17h 50m 12.54s -50° 17' 21.1" P.A. 17.00 sep 2.4 mag 9.67,9.78 Sp A7/8V
 
 
Coord 2000 17502-5017 Discov num HJ 4981 Comp Coord arcsec 2000 17 50 12.54 -50 17 21.1
Date first 1834 Date last 1991 Obs 8
Pa first 24 Pa last 17 P.A. Now (θ) 17°
Sep first 1.5 Sep last 2.426 Sep. Now (ρ) 2.426"
Mag pri 9.67 Mag sec 9.78 delta mag (ΔM) 0.11 Spectral class A7/8V (white)
Pri motion ra -003 Sec motion ra -003
Pri motion dec -015 Sec motion dec -015
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 161793 Constellation Ara SAO 245062 Tycho2 8352-01389-1
Gaia DR2 5945803916854363648 HD 161793 DM CP-5010391
 
 
WDS 17502-5017 HJ 4981 (HD 161793) : 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
17502-5017 HJ 4981 1991 8 17 2.4 9.67 9.78 A7/8V 175012.54-501721.1

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

 
 
WDS 17502-5017 HJ 4981 (HD 161793) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 17502-5017 HJ 4981 (HD 161793) : MEASURES
 
 
No records found.

 
 
WDS 17502-5017 (HD 161793) : VIRTUAL EYEPIECE
 
 

17502-5017 HJ 4981A mag 9.67 Sp A7/8V 17502-5017 HJ 4981B sep 2.4 P.A. 11.10 mag 9.78 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 17502-5017 (HD 161793) : ALADIN DSS IMAGE @ 17h 50m 12.54s -50° 17' 21.1"
 
 
 
 
WDS 17502-5017 HJ 4981 (HD 161793) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

17502-5017 HJ 4981 distance=0' 17515-5007 HDS2519 distance=17' 17500-4958 TDT 525 distance=20' 17481-5025 I 1337 distance=22' 17500-5046 I 1340 distance=30' 17537-5002 I 1344 distance=38' 17525-4947 TDT 551 distance=39' 17476-5053 CPO 554 distance=44' 17530-5057 I 1342AB distance=48' 17530-5057 B 9032AC distance=48' 17506-4930 B 2416 distance=48' 17556-5022 CPO 564AB distance=52' 17456-5047 CPO 17 distance=53' 17512-4921 RST 951 distance=58' 17445-4957 B 354 distance=59' 17530-5111 CPO 560 distance=59' 17563-5003 TDT 582 distance=61' 17557-5055 BRT1003 distance=64' 17569-5011 BRT1005 distance=65' 17534-5115 RST5600 distance=65' 17461-4920 BRT 991 distance=71' 17457-4915 RST 946 distance=76' 17583-5010 HDS2533 distance=79' 17536-5133 CPO 561 distance=83' 17523-5143 HDS2521 distance=88' 17595-5005 TDT 617 distance=91' 17445-4904 RST 945 distance=93' 17532-5148 RST 952 distance=95' 17495-5153 BRT 997 distance=96' 17560-4858 KPP1457 distance=98' 17423-4916 KPP4051 distance=99' 17562-5139 TDS 891 distance=100' 17399-5034 I 1332 distance=101' 17599-5058 TDT 620 distance=101' 17567-5141 TDT 590 distance=104' 18011-5032 BRT1011 distance=106' 17584-4904 CPO 567 distance=108' 17454-4840 SKF1056 distance=109' 17595-4913 NZO 85 distance=112' 18005-5112 TSN 28 distance=112' 18016-5056 RST3145 distance=116' 17380-5031 CPO 543 distance=118' 17392-5112 HJ 4965 distance=118' 17558-5203 B 1347 distance=119' 18026-5013 HDS2540 distance=120' 17505-4817 HJ 4982 distance=121' 17596-5142 KPP 570 distance=123' 17541-4821 B 1870 distance=123' 17487-4815 RSS 462 distance=124' 17422-4839 HJ 4970AB distance=126' 17422-4839 HJ 4970AC distance=126' 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 17502-5017 HJ 4981 17 2.4
Show 17515-5007 HDS2519 257 0.2 17
Show 17500-4958 TDT 525 284 0.4 20
Show 17481-5025 I 1337 1 1.1 22
Show 17500-5046 I 1340 34 2.8 30
Show 17537-5002 I 1344 163 0.8 38
Show 17525-4947 TDT 551 114 0.5 39
Show 17476-5053 CPO 554 299 5.0 44
Show 17530-5057 I 1342 AB 231 3.7 48
Show 17530-5057 B 9032 AC 115 12.0 48
Show 17506-4930 B 2416 97 8.4 48
Show 17556-5022 CPO 564 AB 132 4.2 52
Show 17456-5047 CPO 17 172 1.2 53
Show 17512-4921 RST 951 119 2.5 58
Show 17445-4957 B 354 295 4.2 59
Show 17530-5111 CPO 560 185 4.6 59
Show 17563-5003 TDT 582 41 2.3 61
Show 17557-5055 BRT1003 84 4.7 64
Show 17569-5011 BRT1005 155 6.2 65
Show 17534-5115 RST5600 63 7.5 65
Show 17461-4920 BRT 991 27 5.0 71
Show 17457-4915 RST 946 321 1.9 76
Show 17583-5010 HDS2533 181 0.2 79
Show 17536-5133 CPO 561 22 4.6 83
Show 17523-5143 HDS2521 181 0.2 88
Show 17595-5005 TDT 617 146 0.5 91
Show 17445-4904 RST 945 47 2.6 93
Show 17532-5148 RST 952 358 1.8 95
Show 17495-5153 BRT 997 203 4.5 96
Show 17560-4858 KPP1457 28 11.0 98
Show 17423-4916 KPP4051 188 4.2 99
Show 17562-5139 TDS 891 313 1.2 100
Show 17399-5034 I 1332 23 3.8 101
Show 17599-5058 TDT 620 265 1.4 101
Show 17567-5141 TDT 590 345 3.6 104
Show 18011-5032 BRT1011 67 4.9 106
Show 17584-4904 CPO 567 51 3.8 108
Show 17454-4840 SKF1056 184 17.9 109
Show 17595-4913 NZO 85 82 2.4 112
Show 18005-5112 TSN 28 119 5.4 112
Show 18016-5056 RST3145 3 1.3 116
Show 17380-5031 CPO 543 200 4.1 118
Show 17392-5112 HJ 4965 231 13.3 118
Show 17558-5203 B 1347 24 1.7 119
Show 18026-5013 HDS2540 14 16.8 120
Show 17505-4817 HJ 4982 57 40.6 121
Show 17596-5142 KPP 570 163 5.3 123
Show 17541-4821 B 1870 187 0.1 123
Show 17487-4815 RSS 462 163 20.0 124
Show 17422-4839 HJ 4970 AB 68 8.0 126
Show 17422-4839 HJ 4970 AC 235 20.5 126

 
 
WDS 17502-5017 : COMPONENTS
 
 
  A
B pa=11.1°
sep=2.36"
 
 
17502-5017 A
 
 
Componente originario normalizzato AB Name HD 161793 Coord arcsec 2000 175012.54-501721.1 Mag 9.67
Spectral class A7/8V (white) PmRA -3.00 PmDE -15.0 SAO 245062
Tycho2 8352-01389-1 HD 161793 DM CP-5010391
Tycho2
Tycho2 8352-01389-1 Pflag P RAmdeg 267.55224682 DEmdeg -50.28920710
PmRA -2.8 PmDE -15.0 E RAmdeg 9 E DEmdeg 13
E pmRA 2.0 E pmDE 1.8 EpRAm 1991.51 EpDEm 1990.99
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 9.968 E BTmag 0.020 VTmag 9.671
E VTmag 0.020 Prox 24 TYC T HIP
CCDM RAdeg 267.55211972 DEdeg -50.28946167 EpRA 1990 1.90
EpDE 1990 1.89 E RAdeg 9.1 E DEdeg 12.7 Posflg D
Corr 0.3
SAO
SAO 245062 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.008 Vmag 9 SpType A3
Double code Source 48 CatNum 16741 DM CP-5010391
DMcomp BDsup HD 161793 M HD 0
GC RA1950rad 4.65264766 DE1950rad -0.87745441 PmRA2000 0.0014
PmDE2000 -0.01
CCDM
Ccdm 17502-5017 RComp Comp A Note1
Note2 Discov num DRAs 0.62 DDEs -19.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 10.1 Sp A3 PmNote *
PmRA 15 PmDE -8 Dm number -5011560 Cat1 CD
Name2 245062 Cat2 SAO HD 161793 M HD
ADS BDS M ADS BDS N IDS IDS 17424S5015A
HIC
 
 
17502-5017 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 175012.59-501718.8 Mag 9.78 PmRA -3.00
PmDE -15.0 Tycho2 8352-01389-2 Calc delta mag 0.11 Calc coord yes
Tycho2
Tycho2 8352-01389-2 Pflag P RAmdeg 267.55224682 DEmdeg -50.28920710
PmRA -2.8 PmDE -15.0 E RAmdeg 9 E DEmdeg 13
E pmRA 2.0 E pmDE 1.8 EpRAm 1991.51 EpDEm 1990.99
Num 6 Q RAmdeg 1.2 Q DEmdeg 0.7 Q pmRA 1.2
Q pmDE 0.7 BTmag 10.090 E BTmag 0.023 VTmag 9.775
E VTmag 0.021 Prox 24 TYC T HIP
CCDM RAdeg 267.55242611 DEdeg -50.28881694 EpRA 1990 1.90
EpDE 1990 1.88 E RAdeg 10.4 E DEdeg 14.7 Posflg D
Corr 0.3
CCDM
Ccdm 17502-5017 RComp Comp B Note1
Note2 Discov num HJ 4981 DRAs DDEs
R dRAs Year 1882 Theta 018 Rho 2.4
Obs 6 Vmag 10.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 17424S5015B
HIC