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Doubles in session


Current system
18240+3844
HO 432 AB


Nearby doubles
21' : 18239+3824
HEI 803

24' : 18237+3821
HO 431

27' : 18216+3842
LDS5861

36' : 18217+3821
TDT 815

40' : 18272+3847
MLB 854

46' : 18212+3917
COU1460

46' : 18211+3917
COU1459

47' : 18213+3920
HJ 1321

52' : 18210+3923
DAM 108

59' : 18196+3915
MLB 754

64' : 18256+3945
COU1461

68' : 18189+3918
MLB1078

69' : 18180+3846
GIC 151

72' : 18273+3944
TDT 881

73' : 18184+3814
RAO 387

75' : 18183+3920
ALI1101

81' : 18297+3929
TDT 910

81' : 18298+3803
HU 1189

82' : 18309+3840
STF2338AB

83' : 18298+3930
SLE 182

84' : 18310+3857
SLE 187AB

86' : 18241+4010
ES 1652

87' : 18177+3932
TDT 778

90' : 18163+3846
KPP1820

90' : 18316+3846
COU1604

93' : 18301+3746
UC 3595



Selections
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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.

18240+3844 HO 432 AB

 
 
18h 23m 57.27s +38° 44' 21.0" P.A. 285.00 sep 17.2 mag 6.57,12.90 Sp K4III dist. 287.36 pc (937.37 l.y.)
 
 
Coord 2000 18240+3844 Discov num HO  432 Comp AB Coord arcsec 2000 18 23 57.27 +38 44 21.0
Date first 1892 Date last 2006 Obs 7
Pa first 289 Pa last 285.2 P.A. Now (θ) 285.2°
Sep first 17.2 Sep last 17.2 Sep. Now (ρ) 17.2"
Mag pri 6.57 Mag sec 12.90 delta mag (ΔM) 6.33 Spectral class K4III (yellow-orange)
Pri motion ra +003 Sec motion ra
Pri motion dec +015 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
18240+3844 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 66936 18 23 57 +38 44 21 HO 432 AB 2006 7 285 17.2 6.57 12.90 6.33 <===
Show NSV10756 66936 18 23 57 +38 44 21 HO 432 AC 2006 5 42 60.5 6.57 11.50 4.93
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV10756 Constellation Lyra SAO 66936 HIP 90163
Tycho2 3104-01866-1 Gaia DR2 2108626018020266240 HD 169646 HR 6901
GC 25130 ADS 11320 BD BD+38 3160 Distance 287.36
Distance ly 937.37
 
 
WDS 18240+3844 HO 432 AB : NOTES
 
 
discov_num notes refcode
HO 432AB This cannot be the close 2347.9-d spectroscopic binary, who postulated Grf2010d
a dm of 6 and a separation of 6 mas.
 
 
REFERENCES
 
 
refcode metd author reference
Grf2010d not - Griffin, R.F. 2010Obs...130..299G
Grf2010d Observatory 130, 299, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 HO Hough, G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18240+3844 HO 432 AB 2006 7 285 17.2 6.40 12.90 K4III D 182357.27+384421.0

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

 
 
WDS 18240+3844 HO 432 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18240+3844 HO 432 AB : MEASURES
 
 
No records found.

 
 
WDS 18240+3844 : VIRTUAL EYEPIECE
 
 

18240+3844 HO 432A mag 6.57 Sp K4III 18240+3844 HO 432B sep 13.7 P.A. 289.20 mag 12.9 18240+3844 HO 432C sep 54.9 P.A. 35.40 mag 11.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 18240+3844 : ALADIN DSS IMAGE @ 18h 23m 57.27s +38° 44' 21.0"
 
 
 
 
WDS 18240+3844 HO 432 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18240+3844 HO 432AB distance=1' 18240+3844 HO 432AC distance=1' 18239+3824 HEI 803 distance=21' 18237+3821 HO 431 distance=24' 18216+3842 LDS5861 distance=27' 18217+3821 TDT 815 distance=36' 18272+3847 MLB 854 distance=40' 18212+3917 COU1460 distance=46' 18211+3917 COU1459 distance=46' 18213+3920 HJ 1321 distance=47' 18210+3923 DAM 108 distance=52' 18196+3915 MLB 754 distance=59' 18256+3945 COU1461 distance=64' 18189+3918 MLB1078 distance=68' 18180+3846 GIC 151 distance=69' 18273+3944 TDT 881 distance=72' 18184+3814 RAO 387 distance=73' 18183+3920 ALI1101 distance=75' 18297+3929 TDT 910 distance=81' 18298+3803 HU 1189 distance=81' 18309+3840 STF2338CD distance=82' 18309+3840 STF2338CE distance=82' 18309+3840 STF2338AB distance=82' 18309+3840 STF2338AC distance=82' 18309+3840 STF2338AE distance=82' 18298+3930 SLE 182 distance=83' 18310+3857 FYM 40BE distance=84' 18310+3857 TDT 922Aa,Ab distance=84' 18310+3857 SLE 187AB distance=84' 18310+3857 FYM 40AC distance=84' 18310+3857 FYM 40AD distance=84' 18310+3857 FYM 40AE distance=84' 18241+4010 ES 1652 distance=86' 18177+3932 TDT 778 distance=87' 18163+3846 KPP1820 distance=90' 18316+3846 COU1604 distance=90' 18301+3746 UC 3595 distance=93' 18169+3935 TDT 773 distance=97' 18156+3842 ALI 871 distance=98' 18154+3836 MLB 852 distance=100' 18156+3820 CBL 75 distance=101' 18155+3822 ALI 870 distance=102' 18329+3850 FYM 41BN distance=104' 18233+4028 TDT 827 distance=104' 18329+3850 STTA171AB distance=105' 18329+3850 SLE 200AC distance=105' 18329+3850 SLE 200AD distance=105' 18329+3850 SLE 200AE distance=105' 18329+3850 SLE 200AF distance=105' 18329+3850 STTA171AG distance=105' 18329+3850 FYM 41AH distance=105' 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 18240+3844 HO 432 AB 285 17.2 1
Show 18240+3844 HO 432 AC 42 60.5 1
Show 18239+3824 HEI 803 284 3.4 21
Show 18237+3821 HO 431 4 19.8 24
Show 18216+3842 LDS5861 140 4.7 27
Show 18217+3821 TDT 815 88 0.8 36
Show 18272+3847 MLB 854 9 6.8 40
Show 18212+3917 COU1460 342 0.5 46
Show 18211+3917 COU1459 92 1.4 46
Show 18213+3920 HJ 1321 75 9.5 47
Show 18210+3923 DAM 108 115 5.6 52
Show 18196+3915 MLB 754 49 4.4 59
Show 18256+3945 COU1461 245 0.8 64
Show 18189+3918 MLB1078 316 6.6 68
Show 18180+3846 GIC 151 277 9.8 69
Show 18273+3944 TDT 881 4 0.8 72
Show 18184+3814 RAO 387 107 2.0 73
Show 18183+3920 ALI1101 176 7.6 75
Show 18297+3929 TDT 910 196 0.8 81
Show 18298+3803 HU 1189 210 1.4 81
Show 18309+3840 STF2338 CD 243 13.0 82
Show 18309+3840 STF2338 CE 69 60.7 82
Show 18309+3840 STF2338 AB 301 12.1 82
Show 18309+3840 STF2338 AC 206 76.4 82
Show 18309+3840 STF2338 AE 154 51.7 82
Show 18298+3930 SLE 182 252 11.4 83
Show 18310+3857 FYM 40 BE 210 11.3 84
Show 18310+3857 TDT 922 Aa,Ab 15 0.5 84
Show 18310+3857 SLE 187 AB 210 23.6 84
Show 18310+3857 FYM 40 AC 85 71.0 84
Show 18310+3857 FYM 40 AD 294 13.5 84
Show 18310+3857 FYM 40 AE 210 34.9 84
Show 18241+4010 ES 1652 150 6.0 86
Show 18177+3932 TDT 778 177 0.9 87
Show 18163+3846 KPP1820 296 14.1 90
Show 18316+3846 COU1604 130 1.8 90
Show 18301+3746 UC 3595 211 45.6 93
Show 18169+3935 TDT 773 128 0.9 97
Show 18156+3842 ALI 871 181 12.9 98
Show 18154+3836 MLB 852 42 8.9 100
Show 18156+3820 CBL 75 207 18.5 101
Show 18155+3822 ALI 870 242 8.8 102
Show 18329+3850 FYM 41 BN 87 41.9 104
Show 18233+4028 TDT 827 124 0.5 104
Show 18329+3850 STTA171 AB 328 150.1 105
Show 18329+3850 SLE 200 AC 226 68.9 105
Show 18329+3850 SLE 200 AD 248 93.6 105
Show 18329+3850 SLE 200 AE 228 111.2 105
Show 18329+3850 SLE 200 AF 344 134.6 105
Show 18329+3850 STTA171 AG 133 80.7 105
Show 18329+3850 FYM 41 AH 349 74.6 105

 
 
WDS 18240+3844 : COMPONENTS
 
 
  A B
B pa=289.2°
sep=13.71"
 
C pa=35.4°
sep=54.87"
pa=48.0°
sep=60.14"
 
 
18240+3844 A
 
 
Coord arcsec 2000 182357.27+384421.0 Mag 6.57 Spectral class K4III (yellow-orange) PmRA 3.00
PmDE 15.0 SAO 66936 HIP 90163 Tycho2 3104-01866-1
HD 169646 HR 6901 GC 25130 BD BD+38 3160
Tycho2
Tycho2 3104-01866-1 Pflag RAmdeg 275.98867035 DEmdeg 38.73920694
PmRA 8.8 PmDE 12.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.4 EpRAm 1991.35 EpDEm 1991.41
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.1 BTmag 8.289 E BTmag 0.015 VTmag 6.566
E VTmag 0.010 Prox 999 TYC T HIP 90163
CCDM RAdeg 275.98864389 DEdeg 38.73917667 EpRA 1990 1.52
EpDE 1990 1.56 E RAdeg 4.0 E DEdeg 4.0 Posflg
Corr 0.0
SAO
SAO 66936 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 0.006 Vmag 6.5 SpType K2
Double code Source 70 CatNum 25130 DM BD+38 3160
DMcomp BDsup HD 169646 M HD 0
GC 25130 RA1950rad 4.80960579 DE1950rad 0.675633 PmRA2000 0.0023
PmDE2000 0.007
Hipparcos
Catalog H HIP 90163 Proxy RAhms 18 23 57.27
DEdms +38 44 21.0 Vmag 6.41 VarFlag R Vmag H
RAdeg 275.989 DEdeg 38.7392 AstroRef Plx 3.8
CCDM 18240+3844 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 169646 BD BD+38 3160
CD CP Dm number +38 3160 VIred 1.39
SpType K2 R SpType Coord arcsec 2000 182357.27+384421.0
Hipparcos 2
HIP 90163 Sn 7 So 1 Nc 1
RArad 4.8169105333 DErad 0.6761261803 Plx 3.48 PmRA 7.49
PmDE 13.23 E RArad 0.33 E DErad 0.33 E Plx 0.42
E pmRA 0.4 E pmDE 0.42 Hpmag 6.5516 E Hpmag 0.0009
SHp 0.008 VA 0 BV 1.429 E BV 0.007
VI 1.42
CCDM
Ccdm 18240+3844 RComp Comp A Note1
Note2 Discov num DRAs -2.71 DDEs 20.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.4 Sp K2 PmNote *
PmRA 12 PmDE 3 Dm number +38 3160 Cat1 BD
Name2 +38 1684 Cat2 AGK2/3 HD 169646 M HD
ADS BDS A11320 M ADS BDS N IDS IDS 18206N3841A
HIC 90163
 
 
18240+3844 B
 
 
Coord arcsec 2000 182356.16+384425.5 Mag 12.9 Calc delta mag 6.33 Calc coord yes
CCDM
Ccdm 18240+3844 RComp Comp B Note1
Note2 Discov num HO 432 DRAs -4.13 DDEs 25.6
R dRAs 90 Year 1892 Theta 288 Rho 17.0
Obs 3 Vmag 12.9 Sp PmNote
PmRA 12 PmDE 3 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11320 M ADS BDS N N IDS IDS 18206N3841B
HIC
 
 
18240+3844 C
 
 
Coord arcsec 2000 182359.98+384505.7 Mag 11.5 PmRA -2.00 PmDE 21.0
Calc delta mag 4.93 Calc coord yes