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Doubles in session


Current system
18106-7511
HJ 4999
HD 164643


Nearby doubles
25' : 18044-7505
TDT 663

30' : 18034-7500
RSS 470

34' : 18164-7537
UC 3541

35' : 18067-7542
UC 3495

36' : 18028-7532
HLN 45

40' : 18176-7443
TDT 777

43' : 18113-7553
HDO 282

55' : 18139-7419
HDS2575

58' : 18165-7604
HDS2581

61' : 18182-7605
JSP 770

64' : 17541-7514
I 614

67' : 18098-7405
TDT 717

69' : 17531-7501
TOK 795

72' : 18099-7400
TDT 718

77' : 17577-7611
HJ 4974

78' : 18297-7451
KPP 717

78' : 17576-7612
UC 3455

81' : 18045-7354
TDT 665

84' : 18103-7348
UC 3514

91' : 18154-7640
GLI 241

92' : 18126-7340
HDO 284AB

95' : 17558-7628
TDT 579

97' : 18225-7347
TDT 822

98' : 18030-7645
UC 3481

114' : 18166-7703
UC 3542

114' : 18185-7322
ALD 68



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.

18106-7511 HJ 4999 (HD 164643)

 
 
18h 10m 33.96s -75° 11' 17.1" P.A. 172.00 sep 13.1 mag 7.68,8.61 Sp B9V+A0/1 dist. 240.96 pc (786.01 l.y.)
 
 
Coord 2000 18106-7511 Discov num HJ 4999 Comp Coord arcsec 2000 18 10 33.96 -75 11 17.1
Date first 1835 Date last 2015 Obs 20
Pa first 174 Pa last 171.6 P.A. Now (θ) 171.6°
Sep first 13.0 Sep last 13.12 Sep. Now (ρ) 13.12"
Mag pri 7.68 Mag sec 8.61 delta mag (ΔM) 0.93 Spectral class B9V+A0/1 (blue-white/white)
Pri motion ra +010 Sec motion ra +007
Pri motion dec -010 Sec motion dec -022
Notes Y (Parallax indicates components are non-physical)
rPM=0.536
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 164643 Constellation Apus SAO 257566 HIP 89050
Tycho2 9445-02573-1 Gaia DR2 6414640828898656640 HD 164643 GC 24666
CP CP-75 1409 Distance 240.96 Distance ly 786.01
 
 
WDS 18106-7511 HJ 4999 (HD 164643) : 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
18106-7511 HJ 4999 2000 17 171 13.2 7.68 8.61 B9V A0/1 D 181033.96-751117.1
18106-7511 HJ 4999 2010 19 171 13.1 7.68 8.61 B9V+A0/1 Y 181033.96-751117.1
18106-7511 HJ 4999 2015 20 172 13.1 7.68 8.61 B9V+A0/1 Y 181033.96-751117.1

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

 
 
WDS 18106-7511 HJ 4999 (HD 164643) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18106-7511 HJ 4999 (HD 164643) : MEASURES
 
 
No records found.

 
 
WDS 18106-7511 (HD 164643) : VIRTUAL EYEPIECE
 
 

18106-7511 HJ 4999A mag 7.68 Sp B9V 18106-7511 HJ 4999B sep 13.0 P.A. 177.80 mag 8.61 Sp A0/1 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 18106-7511 (HD 164643) : ALADIN DSS IMAGE @ 18h 10m 33.96s -75° 11' 17.1"
 
 
 
 
WDS 18106-7511 HJ 4999 (HD 164643) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18106-7511 HJ 4999 distance=0' 18044-7505 TDT 663 distance=25' 18034-7500 RSS 470 distance=30' 18164-7537 UC 3541 distance=34' 18067-7542 UC 3495 distance=35' 18028-7532 HLN 45 distance=36' 18176-7443 TDT 777 distance=40' 18113-7553 HDO 282 distance=43' 18113-7553 KPP3068AC distance=43' 18139-7419 HDS2575 distance=55' 18165-7604 HDS2581 distance=58' 18182-7605 JSP 770 distance=61' 17541-7514 I 614 distance=64' 18098-7405 TDT 717 distance=67' 17531-7501 TOK 795 distance=69' 18099-7400 TDT 718 distance=72' 17577-7611 HJ 4974 distance=77' 18297-7451 KPP 717 distance=78' 17576-7612 UC 3455 distance=78' 18045-7354 TDT 665 distance=81' 18103-7348 UC 3514 distance=84' 18154-7640 GLI 241 distance=91' 18126-7340 TOK 58Aa,Ab distance=92' 18126-7340 HDO 284AB distance=92' 17558-7628 TDT 579 distance=95' 18225-7347 TDT 822 distance=97' 18030-7645 UC 3481 distance=98' 18084-7700 TDT 702Aa,Ab distance=109' 18166-7703 UC 3542 distance=114' 18185-7322 ALD 68 distance=114' 18302-7641 HDS2621 distance=115' 18025-7320 UC 3479AB distance=116' 18212-7322 LDS 630 distance=118' 17566-7325 TDT 589 distance=121' 18004-7314 UC 3470 distance=125' 18264-7324 TDT 869 distance=126' 18189-7304 B 1881 distance=132' 18232-7310 LDS 634 distance=132' 18098-7727 NSN 442 distance=136' 18048-7257 B 2853AB distance=137' 18057-7232 TDT 675 distance=161' 17559-7241 TSN 9 distance=162' 18243-7746 TDT 840 distance=162' 17582-7237 TDT 602 distance=163' 18084-7221 HJ 5001 distance=171' 17515-7748 LDS 609 distance=172' 18221-7222 UC 3563AB distance=177' 17521-7232 KPP 403 distance=177' 18071-7214 WIS 324 distance=178' 17564-7219 B 2049 distance=183' 18214-7214 UC 3557 distance=184' 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 18106-7511 HJ 4999 172 13.1
Show 18044-7505 TDT 663 130 1.8 25
Show 18034-7500 RSS 470 348 16.0 30
Show 18164-7537 UC 3541 265 17.9 34
Show 18067-7542 UC 3495 250 79.4 35
Show 18028-7532 HLN 45 181 4.9 36
Show 18176-7443 TDT 777 19 0.6 40
Show 18113-7553 HDO 282 299 24.6 43
Show 18113-7553 KPP3068 AC 109 18.1 43
Show 18139-7419 HDS2575 101 2.4 55
Show 18165-7604 HDS2581 252 0.2 58
Show 18182-7605 JSP 770 197 0.5 61
Show 17541-7514 I 614 19 6.3 64
Show 18098-7405 TDT 717 187 0.6 67
Show 17531-7501 TOK 795 72 0.3 69
Show 18099-7400 TDT 718 34 0.6 72
Show 17577-7611 HJ 4974 122 26.4 77
Show 18297-7451 KPP 717 120 6.3 78
Show 17576-7612 UC 3455 278 32.6 78
Show 18045-7354 TDT 665 159 0.4 81
Show 18103-7348 UC 3514 159 57.5 84
Show 18154-7640 GLI 241 76 2.0 91
Show 18126-7340 TOK 58 Aa,Ab 97 0.3 92
Show 18126-7340 HDO 284 AB 273 2.0 92
Show 17558-7628 TDT 579 188 1.9 95
Show 18225-7347 TDT 822 333 0.8 97
Show 18030-7645 UC 3481 29 64.2 98
Show 18084-7700 TDT 702 Aa,Ab 323 2.3 109
Show 18166-7703 UC 3542 59 12.0 114
Show 18185-7322 ALD 68 164 1.8 114
Show 18302-7641 HDS2621 316 0.3 115
Show 18025-7320 UC 3479 AB 176 66.9 116
Show 18212-7322 LDS 630 315 42.0 118
Show 17566-7325 TDT 589 204 0.5 121
Show 18004-7314 UC 3470 18 26.3 125
Show 18264-7324 TDT 869 183 1.8 126
Show 18189-7304 B 1881 227 0.9 132
Show 18232-7310 LDS 634 126 54.6 132
Show 18098-7727 NSN 442 293 2.1 136
Show 18048-7257 B 2853 AB 11 7.0 137
Show 18057-7232 TDT 675 198 0.8 161
Show 17559-7241 TSN 9 274 102.2 162
Show 18243-7746 TDT 840 11 0.6 162
Show 17582-7237 TDT 602 186 0.5 163
Show 18084-7221 HJ 5001 332 10.2 171
Show 17515-7748 LDS 609 89 28.1 172
Show 18221-7222 UC 3563 AB 60 12.7 177
Show 17521-7232 KPP 403 142 4.8 177
Show 18071-7214 WIS 324 348 491.2 178
Show 17564-7219 B 2049 1 1.0 183
Show 18214-7214 UC 3557 223 15.9 184

 
 
WDS 18106-7511 : COMPONENTS
 
 
  A
B pa=177.8°
sep=12.99"
 
 
18106-7511 A
 
 
Componente originario normalizzato AB Name HD 164643 Coord arcsec 2000 181033.96-751117.1 Mag 7.68
Spectral class B9V (blue-white) PmRA 10.00 PmDE -10.0 SAO 257566
HIP 89050 Tycho2 9445-02573-1 HD 164643 GC 24666
CP CP-75 1409
Tycho2
Tycho2 9445-02573-1 Pflag RAmdeg 272.64149661 DEmdeg -75.18809171
PmRA 6.3 PmDE -11.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.54 EpDEm 1991.49
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.5 Q pmRA 0.9
Q pmDE 1.4 BTmag 7.641 E BTmag 0.015 VTmag 7.680
E VTmag 0.011 Prox 131 TYC T HIP 89050
CCDM A RAdeg 272.64144056 DEdeg -75.18806444 EpRA 1990 1.77
EpDE 1990 1.72 E RAdeg 4.1 E DEdeg 4.4 Posflg
Corr 0.0
SAO
SAO 257566 DelFlag RA1950 PmRA1950 0.0041
DE1950 PmDE1950 0.004 Vmag 7.9 SpType A0
Double code Source 70 CatNum 24666 DM CP-75 1409
DMcomp A BDsup HD 164643 M HD 0
GC 24666 RA1950rad 4.72892751 DE1950rad -1.31242305 PmRA2000 0.0014
PmDE2000 0.002
Hipparcos
Catalog H HIP 89050 Proxy RAhms 18 10 33.95
DEdms -75 11 17.0 Vmag 7.71 VarFlag R Vmag G
RAdeg 272.641 DEdeg -75.1881 AstroRef A Plx 2.12
CCDM 18106-7511 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 164643 BD
CD CP CP-75 1409 Dm number -75 1409 VIred 0.04
SpType A0V R SpType Coord arcsec 2000 181033.95-751117.0
Hipparcos 2
HIP 89050 Sn 95 So 3 Nc 1
RArad 4.758490912 DErad -1.3122792388 Plx 4.15 PmRA 10.66
PmDE -12.79 E RArad 1.21 E DErad 1.38 E Plx 1.94
E pmRA 1.45 E pmDE 1.37 Hpmag 7.6887 E Hpmag 0.0095
SHp 0.083 VA 0 BV 0.016 E BV 0.015
VI 0.04
CCDM
Ccdm 18106-7511 RComp Comp A Note1
Note2 Discov num DRAs -2.21 DDEs -15.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp A0 PmNote *
PmRA 6 PmDE 3 Dm number -75 1409 Cat1 CPD
Name2 257566 Cat2 SAO HD 164643 M HD
ADS BDS M ADS BDS N IDS IDS 17570S7512A
HIC 89050
 
 
18106-7511 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 181034.09-751130.1 Mag 8.61 Spectral class A0/1 (white)
PmRA 7.00 PmDE -22.0 SAO 257567 HIP 89051
Tycho2 9445-02575-1 HD 164644 GC 24668 DM CP-75 1409
Calc delta mag 0.93 Calc coord yes
Tycho2
Tycho2 9445-02575-1 Pflag RAmdeg 272.64358510 DEmdeg -75.19169979
PmRA 3.4 PmDE -14.7 E RAmdeg 6 E DEmdeg 7
E pmRA 2.2 E pmDE 2.2 EpRAm 1991.68 EpDEm 1991.58
Num 3 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.2 BTmag 8.648 E BTmag 0.016 VTmag 8.613
E VTmag 0.013 Prox 131 TYC T HIP 89051
CCDM B RAdeg 272.64355500 DEdeg -75.19166583 EpRA 1990 1.75
EpDE 1990 1.68 E RAdeg 5.6 E DEdeg 6.5 Posflg
Corr -0.1
SAO
SAO 257567 DelFlag RA1950 PmRA1950 0.001
DE1950 PmDE1950 0.005 Vmag 9.2 SpType A
Double code Source 70 CatNum 24668 DM CP-75 1409
DMcomp B BDsup HD 164644 M HD 0
GC 24668 RA1950rad 4.72895859 DE1950rad -1.31248732 PmRA2000 -0.0017
PmDE2000 0.003
Hipparcos
Catalog H HIP 89051 Proxy RAhms 18 10 34.45
DEdms -75 11 30.0 Vmag 8.71 VarFlag R Vmag H
RAdeg 272.644 DEdeg -75.1917 AstroRef B Plx 2.54
CCDM 18106-7511 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 164644 BD
CD CP Dm number VIred 0.04
SpType A0V R SpType Coord arcsec 2000 181034.45-751130.0
Hipparcos 2
HIP 89051 Sn 95 So 3 Nc 1
RArad 4.7585278805 DErad -1.3123423323 Plx 1.9 PmRA 8.57
PmDE -13.39 E RArad 1.63 E DErad 1.94 E Plx 2.52
E pmRA 1.84 E pmDE 1.83 Hpmag 8.8326 E Hpmag 0.0225
SHp 0 VA 0 BV 0.102 E BV 0.017
VI 0.12
CCDM
Ccdm 18106-7511 RComp Comp B Note1
Note2 Discov num HJ 4999 DRAs -1.75 DDEs -28.5
R dRAs 91 Year 1835 Theta 173 Rho 13.1
Obs 4 Vmag 9.2 Sp A PmNote *
PmRA 4 PmDE 1 Dm number Cat1
Name2 257567 Cat2 SAO HD 164644 M HD
ADS BDS M ADS BDS N IDS IDS 17570S7512B
HIC 89051