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Current system
18431-6643
NZO 91
HD 172065


Nearby doubles
12' : 18442-6634
UC 3657

23' : 18421-6705
TDS 935

29' : 18382-6638
LDS 646

39' : 18451-6607
KPP1463

40' : 18463-6608
TDT1046

46' : 18442-6728
UC 3658

46' : 18357-6656
DON 909

58' : 18474-6552
LDS 650

60' : 18342-6617
MLO 5

63' : 18432-6746
DON 916

69' : 18347-6557
I 634

70' : 18411-6752
TDT 992

72' : 18410-6754
TDT 991

73' : 18358-6742
TDT 951

75' : 18514-6548
TDS 950

76' : 18551-6709
UC 3721

76' : 18503-6542
KPP1663

80' : 18315-6605
TDT 926

84' : 18391-6523
SKF 370

86' : 18490-6525
SKF1648

90' : 18317-6742
MLO 81

92' : 18383-6516
RST 993

94' : 18397-6814
TDT 982

94' : 18296-6734
DON 899

95' : 18272-6655
TDT 879

100' : 18591-6717
TDT1165



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18431-6643 NZO 91 (HD 172065)

 
 
18h 43m 05.51s -66° 42' 56.7" P.A. 162.00 sep 1.8 mag 9.90,10.01 Sp F0IV dist. 250.63 pc (817.56 l.y.)
 
 
Coord 2000 18431-6643 Discov num NZO  91 Comp Coord arcsec 2000 18 43 05.51 -66 42 56.7
Date first 1905 Date last 2016 Obs 10
Pa first 160 Pa last 161.6 P.A. Now (θ) 161.6°
Sep first 1.0 Sep last 1.788 Sep. Now (ρ) 1.788"
Mag pri 9.90 Mag sec 10.01 delta mag (ΔM) 0.11 Spectral class F0IV (yellow-white)
Pri motion ra +013 Sec motion ra +013
Pri motion dec -003 Sec motion dec -003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 172065 Constellation Pavo SAO 254347 HIP 91802
Tycho2 9081-00026-1 Gaia DR2 6433384787730195456 HD 172065 CP CP-66 3385
Distance 250.63 Distance ly 817.56
 
 
WDS 18431-6643 NZO 91 (HD 172065) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
NZO1911a Ma - Ward, J.T. (New Zealand Observatory) .
NZO1911a Transvaal Obs. Circ. 1, 61, 1911 (Table 1a)
NZO1911b Ma - Alison, T. (New Zealand Observatory) .
NZO1911b Transvaal Obs. Circ. 1, 61, 1911 (Table 1a)
NZO1927A Ma - Ward (New Zealand Obs.) 1927sdsc.book......
NZO1927A cited in SDS (Southern Double Star Cat.), 1927
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18431-6643 NZO 91 1991 6 161 1.7 9.90 10.01 F0IV D 184305.51-664256.7
18431-6643 NZO 91 2015 8 162 1.8 9.90 10.01 F0IV 184305.51-664256.7
18431-6643 NZO 91 2016 10 162 1.8 9.90 10.01 F0IV 184305.51-664256.7

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

 
 
WDS 18431-6643 NZO 91 (HD 172065) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18431-6643 NZO 91 (HD 172065) : MEASURES
 
 
No records found.

 
 
WDS 18431-6643 (HD 172065) : VIRTUAL EYEPIECE
 
 

18431-6643 NZO 91A mag 9.9 Sp F0IV 18431-6643 NZO 91B sep 1.7 P.A. 172.50 mag 10.01 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18431-6643 (HD 172065) : ALADIN DSS IMAGE @ 18h 43m 05.51s -66° 42' 56.7"
 
 
 
 
WDS 18431-6643 NZO 91 (HD 172065) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18431-6643 NZO 91 distance=0' 18442-6634 UC 3657 distance=12' 18421-6705 TDS 935 distance=23' 18382-6638 LDS 646 distance=29' 18451-6607 KPP1463 distance=39' 18463-6608 TDT1046 distance=40' 18442-6728 UC 3658 distance=46' 18357-6656 DON 909 distance=46' 18474-6552 LDS 650 distance=58' 18342-6617 MLO 5 distance=60' 18432-6746 DON 916 distance=63' 18347-6557 I 634 distance=69' 18411-6752 TDT 992 distance=70' 18410-6754 TDT 991 distance=72' 18358-6742 TDT 951 distance=73' 18514-6548 TDS 950 distance=75' 18551-6709 UC 3721 distance=76' 18503-6542 KPP1663 distance=76' 18315-6605 TDT 926 distance=80' 18391-6523 SKF 370 distance=84' 18490-6525 SKF1648 distance=86' 18317-6742 MLO 81 distance=90' 18383-6516 RST 993 distance=92' 18397-6814 TDT 982 distance=94' 18296-6734 DON 899 distance=94' 18272-6655 TDT 879 distance=95' 18591-6717 TDT1165 distance=100' 18299-6753 DON 900 distance=104' 18583-6554 GLI 248 distance=104' 18256-6636 MLO 80 distance=105' 18596-6609 TVB 306 distance=105' 18593-6729 TDT1171 distance=105' 18303-6758 TDT 918 distance=106' 18323-6808 TDT 931 distance=106' 18558-6806 KPP1437 distance=111' 18274-6545 TDT 884 distance=112' 18454-6452 SKF 105AB distance=112' 18454-6452 CVN 59AC distance=112' 18255-6605 HJ 5039 distance=112' 18454-6452 BIL 4Ba,Bb distance=113' 19017-6623 TDT1189 distance=113' 18241-6717 TDT 836 distance=117' 18264-6800 DON 896 distance=124' 18375-6850 UC 3628 distance=132' 18429-6856 UC 3652 distance=134' 18483-6856 JAO 8 distance=136' 18375-6856 LDS 643 distance=137' 18257-6819 TDT 860 distance=139' 18419-6901 DON 913 distance=139' 18487-6427 I 639 distance=141' 18278-6835 HDS2613 distance=142' 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 18431-6643 NZO 91 162 1.8
Show 18442-6634 UC 3657 71 17.7 12
Show 18421-6705 TDS 935 282 0.9 23
Show 18382-6638 LDS 646 135 25.0 29
Show 18451-6607 KPP1463 11 11.0 39
Show 18463-6608 TDT1046 88 1.0 40
Show 18442-6728 UC 3658 330 37.8 46
Show 18357-6656 DON 909 330 0.5 46
Show 18474-6552 LDS 650 253 13.1 58
Show 18342-6617 MLO 5 292 4.4 60
Show 18432-6746 DON 916 178 4.6 63
Show 18347-6557 I 634 357 2.9 69
Show 18411-6752 TDT 992 117 0.9 70
Show 18410-6754 TDT 991 109 0.4 72
Show 18358-6742 TDT 951 20 1.0 73
Show 18514-6548 TDS 950 299 1.2 75
Show 18551-6709 UC 3721 346 45.1 76
Show 18503-6542 KPP1663 97 12.8 76
Show 18315-6605 TDT 926 199 0.4 80
Show 18391-6523 SKF 370 70 7.0 84
Show 18490-6525 SKF1648 74 23.1 86
Show 18317-6742 MLO 81 35 4.5 90
Show 18383-6516 RST 993 42 0.4 92
Show 18397-6814 TDT 982 344 0.5 94
Show 18296-6734 DON 899 41 0.9 94
Show 18272-6655 TDT 879 300 2.1 95
Show 18591-6717 TDT1165 123 0.5 100
Show 18299-6753 DON 900 222 4.3 104
Show 18583-6554 GLI 248 125 3.9 104
Show 18256-6636 MLO 80 334 2.8 105
Show 18596-6609 TVB 306 311 16.8 105
Show 18593-6729 TDT1171 343 0.6 105
Show 18303-6758 TDT 918 181 1.6 106
Show 18323-6808 TDT 931 221 1.2 106
Show 18558-6806 KPP1437 122 10.8 111
Show 18274-6545 TDT 884 164 0.6 112
Show 18454-6452 SKF 105 AB 65 71.3 112
Show 18454-6452 CVN 59 AC 319 7.4 112
Show 18255-6605 HJ 5039 127 16.5 112
Show 18454-6452 BIL 4 Ba,Bb 92 0.1 113
Show 19017-6623 TDT1189 109 2.1 113
Show 18241-6717 TDT 836 304 1.3 117
Show 18264-6800 DON 896 321 4.6 124
Show 18375-6850 UC 3628 305 48.7 132
Show 18429-6856 UC 3652 206 49.5 134
Show 18483-6856 JAO 8 266 0.8 136
Show 18375-6856 LDS 643 40 163.4 137
Show 18257-6819 TDT 860 224 2.4 139
Show 18419-6901 DON 913 156 1.0 139
Show 18487-6427 I 639 71 2.1 141
Show 18278-6835 HDS2613 280 0.3 142

 
 
WDS 18431-6643 : COMPONENTS
 
 
  A
B pa=172.5°
sep=1.71"
 
 
18431-6643 A
 
 
Componente originario normalizzato AB Name HD 172065 Coord arcsec 2000 184305.51-664256.7 Mag 9.9
Spectral class F0IV (yellow-white) PmRA 13.00 PmDE -3.0 SAO 254347
HIP 91802 Tycho2 9081-00026-1 HD 172065 CP CP-66 3385
Tycho2
Tycho2 9081-00026-1 Pflag P RAmdeg 280.77294690 DEmdeg -66.71575567
PmRA 12.9 PmDE -2.7 E RAmdeg 14 E DEmdeg 13
E pmRA 2.5 E pmDE 2.4 EpRAm 1991.36 EpDEm 1991.42
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.246 E BTmag 0.024 VTmag 9.901
E VTmag 0.023 Prox 17 TYC T HIP 91802
CCDM A RAdeg 280.77268944 DEdeg -66.71554278 EpRA 1990 1.75
EpDE 1990 1.78 E RAdeg 14.3 E DEdeg 12.8 Posflg D
Corr -0.1
SAO
SAO 254347 DelFlag RA1950 PmRA1950 -0.004
DE1950 PmDE1950 -0.043 Vmag 9.1 SpType G5
Double code Source 61 CatNum 4011 DM CP-66 3385
DMcomp BDsup HD 172065 M HD 0
GC RA1950rad 4.87806068 DE1950rad -1.16527678 PmRA2000 -0.0054
PmDE2000 -0.044
Hipparcos
Catalog H HIP 91802 Proxy H RAhms 18 43 05.45
DEdms -66 42 55.9 Vmag 9.14 VarFlag R Vmag H
RAdeg 280.773 DEdeg -66.7155 AstroRef A Plx 6.29
CCDM 18431-6643 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 162 Rho 1.773 HD 172065 BD
CD CP CP-66 3385 Dm number -66 3385 VIred 0.46
SpType F0IV R SpType Coord arcsec 2000 184305.45-664255.9
Hipparcos 2
HIP 91802 Sn 15 So 3 Nc 2
RArad 4.9004079368 DErad -1.1644058577 Plx 3.99 PmRA 7.7
PmDE -2.94 E RArad 0.89 E DErad 1.42 E Plx 1.74
E pmRA 0.96 E pmDE 1.72 Hpmag 9.2291 E Hpmag 0.0025
SHp 0.025 VA 0 BV 0.391 E BV 0.028
VI 0.46
CCDM
Ccdm 18431-6643 RComp Comp A Note1
Note2 Discov num DRAs -1.28 DDEs -1.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.8 Sp A3 PmNote *
PmRA -24 PmDE -43 Dm number -66 3385 Cat1 CPD
Name2 254347 Cat2 SAO HD 172065 M HD
ADS BDS M ADS BDS N IDS IDS 18328S6648A
HIC 91802
 
 
18431-6643 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 184305.55-664258.4 Mag 10.01 PmRA 13.00
PmDE -3.0 HIP 91802 Tycho2 9081-00026-2 Calc delta mag 0.11
Calc coord yes
Tycho2
Tycho2 9081-00026-2 Pflag P RAmdeg 280.77294690 DEmdeg -66.71575567
PmRA 12.9 PmDE -2.7 E RAmdeg 14 E DEmdeg 13
E pmRA 2.5 E pmDE 2.4 EpRAm 1991.36 EpDEm 1991.42
Num 4 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 10.362 E BTmag 0.025 VTmag 10.014
E VTmag 0.025 Prox 17 TYC T HIP 91802
CCDM B RAdeg 280.77309444 DEdeg -66.71599972 EpRA 1990 1.75
EpDE 1990 1.78 E RAdeg 16.1 E DEdeg 14.3 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 91802 Proxy H RAhms 18 43 05.45
DEdms -66 42 55.9 Vmag 9.14 VarFlag R Vmag H
RAdeg 280.773 DEdeg -66.7155 AstroRef A Plx 6.29
CCDM 18431-6643 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 162 Rho 1.773 HD 172065 BD
CD CP CP-66 3385 Dm number -66 3385 VIred 0.46
SpType F0IV R SpType Coord arcsec 2000 184305.45-664255.9
Hipparcos 2
HIP 91802 Sn 15 So 3 Nc 2
RArad 4.9004079368 DErad -1.1644058577 Plx 3.99 PmRA 7.7
PmDE -2.94 E RArad 0.89 E DErad 1.42 E Plx 1.74
E pmRA 0.96 E pmDE 1.72 Hpmag 9.2291 E Hpmag 0.0025
SHp 0.025 VA 0 BV 0.391 E BV 0.028
VI 0.46
CCDM
Ccdm 18431-6643 RComp Comp B Note1
Note2 Discov num NZO 91 DRAs DDEs
R dRAs Year 1915 Theta 162 Rho 1.6
Obs 2 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18328S6648B
HIC 91802