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Current system
18342-6617
MLO 5
HD 170407


Nearby doubles
20' : 18347-6557
I 634

21' : 18315-6605
TDT 926

33' : 18382-6638
LDS 646

41' : 18357-6656
DON 909

53' : 18274-6545
TDT 884

54' : 18255-6605
HJ 5039

56' : 18256-6636
MLO 80

57' : 18272-6655
TDT 879

60' : 18431-6643
NZO 91

62' : 18391-6523
SKF 370

63' : 18442-6634
UC 3657

66' : 18383-6516
RST 993

67' : 18451-6607
KPP1463

68' : 18421-6705
TDS 935

74' : 18463-6608
TDT1046

81' : 18211-6606
MLO 79

82' : 18296-6734
DON 899

84' : 18474-6552
LDS 650

85' : 18241-6717
TDT 836

86' : 18358-6742
TDT 951

87' : 18317-6742
MLO 81

92' : 18193-6637
LDS 632

93' : 18442-6728
UC 3658

94' : 18188-6627
UC 3551

100' : 18299-6753
DON 900

102' : 18191-6536
TDT 793



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

18342-6617 MLO 5 (HD 170407)

 
 
18h 34m 14.51s -66° 16' 45.5" P.A. 292.00 sep 4.4 mag 7.00,9.06 Sp G5III+A5: dist. 1149.43 pc (3749.44 l.y.)
 
 
Coord 2000 18342-6617 Discov num MLO   5 Comp Coord arcsec 2000 18 34 14.51 -66 16 45.5
Date first 1873 Date last 2020 Obs 17
Pa first 295 Pa last 292.2 P.A. Now (θ) 292.2°
Sep first 5.0 Sep last 4.437 Sep. Now (ρ) 4.437"
Mag pri 7.00 Mag sec 9.06 delta mag (ΔM) 2.06 Spectral class G5III+A5: (yellow/white)
Pri motion ra +021 Sec motion ra +003
Pri motion dec -013 Sec motion dec -010
Notes
rPM=0.739
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 170407 Constellation Pavo SAO 254286 HIP 91035
Tycho2 9080-01986-1 Gaia DR2 6436634050751578112 HD 170407 GC 25296
CP CP-66 3380 Distance 1149.43 Distance ly 3749.44
 
 
WDS 18342-6617 MLO 5 (HD 170407) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
MlO1881 T - Walker, G.J. 1881Obs.....4..249W
MlO1881 Observatory 4, 249, 1881
MlO1927A Pa - Melbourne Obs. 1927sdsc.book......
MlO1927A 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
18342-6617 MLO 5 1991 15 292 4.7 7.00 9.06 G5III A5: D 183414.51-661645.5
18342-6617 MLO 5 2020 16 292 4.4 7.00 9.06 G5III+A5: 183414.51-661645.5

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

 
 
WDS 18342-6617 MLO 5 (HD 170407) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18342-6617 MLO 5 (HD 170407) : MEASURES
 
 
No records found.

 
 
WDS 18342-6617 (HD 170407) : VIRTUAL EYEPIECE
 
 

18342-6617 MLO 5A mag 7 Sp G5III 18342-6617 MLO 5B sep 2.4 P.A. 315.40 mag 9.06 Sp A5: virtual eyepiece
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Radius:
Components only
 
 
WDS 18342-6617 (HD 170407) : ALADIN DSS IMAGE @ 18h 34m 14.51s -66° 16' 45.5"
 
 
 
 
WDS 18342-6617 MLO 5 (HD 170407) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18342-6617 MLO 5 distance=0' 18347-6557 I 634 distance=20' 18315-6605 TDT 926 distance=21' 18382-6638 LDS 646 distance=33' 18357-6656 DON 909 distance=41' 18274-6545 TDT 884 distance=53' 18255-6605 HJ 5039 distance=54' 18256-6636 MLO 80 distance=56' 18272-6655 TDT 879 distance=57' 18431-6643 NZO 91 distance=60' 18391-6523 SKF 370 distance=62' 18442-6634 UC 3657 distance=63' 18383-6516 RST 993 distance=66' 18451-6607 KPP1463 distance=67' 18421-6705 TDS 935 distance=68' 18463-6608 TDT1046 distance=74' 18211-6606 MLO 79 distance=81' 18296-6734 DON 899 distance=82' 18474-6552 LDS 650 distance=84' 18241-6717 TDT 836 distance=85' 18358-6742 TDT 951 distance=86' 18317-6742 MLO 81 distance=87' 18193-6637 LDS 632 distance=92' 18442-6728 UC 3658 distance=93' 18188-6627 UC 3551 distance=94' 18299-6753 DON 900 distance=100' 18191-6536 TDT 793 distance=102' 18411-6752 TDT 992 distance=104' 18432-6746 DON 916 distance=104' 18172-6603 UC 3545 distance=104' 18303-6758 TDT 918 distance=104' 18490-6525 SKF1648 distance=104' 18503-6542 KPP1663 distance=105' 18197-6523 TDT 798 distance=105' 18410-6754 TDT 991 distance=105' 18297-6436 RST5448AB distance=106' 18217-6735 WIS 326 distance=108' 18514-6548 TDS 950 distance=109' 18454-6452 SKF 105AB distance=110' 18454-6452 CVN 59AC distance=110' 18454-6452 BIL 4Ba,Bb distance=111' 18323-6808 TDT 931 distance=113' 18264-6800 DON 896 distance=113' 18152-6649 I 627AB distance=119' 18152-6649 BAU 54AC distance=119' 18162-6709 DON 885 distance=119' 18148-6649 HJ 5019 distance=121' 18397-6814 TDT 982 distance=122' 18285-6417 UC 3588 distance=126' 18200-6444 KPP 934 distance=129' 18262-6417 FIN 265 distance=130' 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 18342-6617 MLO 5 292 4.4
Show 18347-6557 I 634 357 2.9 20
Show 18315-6605 TDT 926 199 0.4 21
Show 18382-6638 LDS 646 135 25.0 33
Show 18357-6656 DON 909 330 0.5 41
Show 18274-6545 TDT 884 164 0.6 53
Show 18255-6605 HJ 5039 127 16.5 54
Show 18256-6636 MLO 80 334 2.8 56
Show 18272-6655 TDT 879 300 2.1 57
Show 18431-6643 NZO 91 162 1.8 60
Show 18391-6523 SKF 370 70 7.0 62
Show 18442-6634 UC 3657 71 17.7 63
Show 18383-6516 RST 993 42 0.4 66
Show 18451-6607 KPP1463 11 11.0 67
Show 18421-6705 TDS 935 282 0.9 68
Show 18463-6608 TDT1046 88 1.0 74
Show 18211-6606 MLO 79 247 3.9 81
Show 18296-6734 DON 899 41 0.9 82
Show 18474-6552 LDS 650 253 13.1 84
Show 18241-6717 TDT 836 304 1.3 85
Show 18358-6742 TDT 951 20 1.0 86
Show 18317-6742 MLO 81 35 4.5 87
Show 18193-6637 LDS 632 220 89.8 92
Show 18442-6728 UC 3658 330 37.8 93
Show 18188-6627 UC 3551 116 63.7 94
Show 18299-6753 DON 900 222 4.3 100
Show 18191-6536 TDT 793 288 2.6 102
Show 18411-6752 TDT 992 117 0.9 104
Show 18432-6746 DON 916 178 4.6 104
Show 18172-6603 UC 3545 321 28.7 104
Show 18303-6758 TDT 918 181 1.6 104
Show 18490-6525 SKF1648 74 23.1 104
Show 18503-6542 KPP1663 97 12.8 105
Show 18197-6523 TDT 798 68 0.5 105
Show 18410-6754 TDT 991 109 0.4 105
Show 18297-6436 RST5448 AB 181 0.3 106
Show 18217-6735 WIS 326 149 49.4 108
Show 18514-6548 TDS 950 299 1.2 109
Show 18454-6452 SKF 105 AB 65 71.3 110
Show 18454-6452 CVN 59 AC 319 7.4 110
Show 18454-6452 BIL 4 Ba,Bb 92 0.1 111
Show 18323-6808 TDT 931 221 1.2 113
Show 18264-6800 DON 896 321 4.6 113
Show 18152-6649 I 627 AB 218 3.0 119
Show 18152-6649 BAU 54 AC 165 44.5 119
Show 18162-6709 DON 885 273 1.0 119
Show 18148-6649 HJ 5019 334 37.7 121
Show 18397-6814 TDT 982 344 0.5 122
Show 18285-6417 UC 3588 154 23.5 126
Show 18200-6444 KPP 934 27 7.7 129
Show 18262-6417 FIN 265 143 2.3 130

 
 
WDS 18342-6617 : COMPONENTS
 
 
  A
B pa=315.4°
sep=2.35"
 
 
18342-6617 A
 
 
Componente originario normalizzato AB Name HD 170407 Coord arcsec 2000 183414.51-661645.5 Mag 7
Spectral class G5III (yellow) PmRA 21.00 PmDE -13.0 SAO 254286
HIP 91035 Tycho2 9080-01986-1 HD 170407 GC 25296
CP CP-66 3380
Tycho2
Tycho2 9080-01986-1 Pflag RAmdeg 278.56045221 DEmdeg -66.27929354
PmRA 21.4 PmDE -13.4 E RAmdeg 5 E DEmdeg 4
E pmRA 2.5 E pmDE 2.5 EpRAm 1991.77 EpDEm 1991.84
Num 3 Q RAmdeg 0.2 Q DEmdeg 1.5 Q pmRA 0.3
Q pmDE 1.4 BTmag 8.275 E BTmag 0.016 VTmag 6.995
E VTmag 0.010 Prox 47 TYC T HIP 91035
CCDM A RAdeg 278.56033139 DEdeg -66.27926306 EpRA 1990 1.81
EpDE 1990 1.87 E RAdeg 4.6 E DEdeg 3.9 Posflg
Corr -0.3
SAO
SAO 254286 DelFlag RA1950 PmRA1950 0
DE1950 PmDE1950 -0.013 Vmag 7.1 SpType G5
Double code Source 70 CatNum 25296 DM CP-66 3380
DMcomp BDsup HD 170407 M HD 0
GC 25296 RA1950rad 4.83963704 DE1950rad -1.15746136 PmRA2000 -0.0015
PmDE2000 -0.014
Hipparcos
Catalog H HIP 91035 Proxy H RAhms 18 34 14.48
DEdms -66 16 45.3 Vmag 6.76 VarFlag R Vmag H
RAdeg 278.56 DEdeg -66.2793 AstroRef A Plx 1.21
CCDM 18342-6617 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 292 Rho 4.671 HD 170407 BD
CD CP CP-66 3380 Dm number -66 3380 VIred 1.05
SpType A(V) + G5III R SpType Coord arcsec 2000 183414.48-661645.3
Hipparcos 2
HIP 91035 Sn 15 So 3 Nc 2
RArad 4.8617949112 DErad -1.1567913171 Plx 0.87 PmRA 3.58
PmDE -8.83 E RArad 0.42 E DErad 0.59 E Plx 0.71
E pmRA 0.49 E pmDE 0.68 Hpmag 6.916 E Hpmag 0.0008
SHp 0.01 VA 0 BV 0.894 E BV 0.007
VI 0.9
CCDM
Ccdm 18342-6617 RComp Comp A Note1
Note2 Discov num DRAs 2.26 DDEs 14.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp G5 PmNote *
PmRA -3 PmDE -14 Dm number -66 3380 Cat1 CPD
Name2 254286 Cat2 SAO HD 170407 M HD
ADS BDS M ADS BDS N IDS IDS 18241S6621A
HIC 91035
 
 
18342-6617 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 183414.24-661643.8 Mag 9.06 Spectral class A5: (white)
PmRA 3.00 PmDE -10.0 Calc delta mag 2.06 Calc coord yes
CCDM
Ccdm 18342-6617 RComp Comp B Note1
Note2 Discov num MLO 5 DRAs DDEs
R dRAs Year 1873 Theta 293 Rho 4.6
Obs 9 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 18241S6621B
HIC 91035