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Doubles in session


Current system
18507+3920
HDS 2672
HD 174809


Nearby doubles
20' : 18523+3926
WEI 33

21' : 18490+3914
COU1610

30' : 18532+3921
TDT1109

31' : 18481+3929
COU1609

39' : 18480+3858
ES 2572

40' : 18541+3923
RAO 400

40' : 18541+3922
FMR 141

43' : 18501+4002
HU 1192

45' : 18483+3956
SLW1221

48' : 18478+3954
GRV 240

55' : 18466+3853
ES 2021AB

57' : 18552+3941
TDT1126

62' : 18496+4020
UC 3687

62' : 18457+3942
BU 51AB

63' : 18496+3819
FYM 173

63' : 18465+3958
LDS4799

64' : 18496+3818
AG 226

64' : 18560+3938
KOI5069

64' : 18483+4018
UC 3676

65' : 18452+3914
STF2392AB

66' : 18560+3941
ALI1105

67' : 18563+3909
MLB 855

68' : 18453+3856
COU1608

69' : 18517+4026
MLB 976

69' : 18564+3937
DEA 262

70' : 18547+4010
DEA 454



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.

18507+3920 HDS 2672 (HD 174809)

 
 
18h 50m 40.03s +39° 20' 24.6" P.A. 19.00 sep 0.1 mag 8.07,8.29 Sp F8 dist. 259.74 pc (847.27 l.y.)
 
 
Coord 2000 18507+3920 Discov num HDS2672 Comp Coord arcsec 2000 18 50 40.03 +39 20 24.6
Date first 1991 Date last 2014 Obs 5
Pa first 24 Pa last 19.2 P.A. Now (θ) 19.2°
Sep first 0.1 Sep last 0.097 Sep. Now (ρ) 0.097"
Mag pri 8.07 Mag sec 8.29 delta mag (ΔM) 0.22 Spectral class F8 (yellow-white)
Pri motion ra +010 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 174809 Constellation Lyra SAO 67463 HIP 92468
Tycho2 3119-02529-1 Gaia DR2 2097444225284718336 HD 174809 BD BD+39 3551
Distance 259.74 Distance ly 847.27
 
 
WDS 18507+3920 HDS 2672 (HD 174809) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18507+3920 HDS2672 1991 1 24 0.1 8.07 8.29 F8 185040.03+392024.6
18507+3920 HDS2672 2014 5 19 0.1 8.07 8.29 F8 185040.03+392024.6

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

 
 
WDS 18507+3920 HDS 2672 (HD 174809) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18507+3920 HDS 2672 (HD 174809) : MEASURES
 
 
No records found.

 
 
WDS 18507+3920 (HD 174809) : VIRTUAL EYEPIECE
 
 

18507+3920 HDS2672A mag 8.07 Sp F8 18507+3920 HDS2672B sep 0.1 P.A. 15.10 mag 8.29 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 18507+3920 (HD 174809) : ALADIN DSS IMAGE @ 18h 50m 40.03s +39° 20' 24.6"
 
 
 
 
WDS 18507+3920 HDS 2672 (HD 174809) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18507+3920 HDS2672 distance=0' 18523+3926 WEI 33 distance=20' 18490+3914 COU1610 distance=21' 18532+3921 TDT1109 distance=30' 18481+3929 COU1609 distance=31' 18480+3858 ES 2572 distance=39' 18541+3923 RAO 400 distance=40' 18541+3922 FMR 141 distance=40' 18501+4002 HU 1192 distance=43' 18483+3956 SLW1221 distance=45' 18478+3954 GRV 240 distance=48' 18466+3853 ES 2021AB distance=55' 18466+3853 ES 2021AC distance=55' 18466+3853 ES 2021BC distance=56' 18552+3941 TDT1126 distance=57' 18496+4020 UC 3687 distance=62' 18457+3942 FYM 51BD distance=62' 18457+3942 BU 51BC distance=62' 18457+3942 BU 51AB distance=62' 18496+3819 FYM 173 distance=63' 18465+3958 LDS4799 distance=63' 18496+3818 AG 226 distance=64' 18560+3938 KOI5069 distance=64' 18483+4018 UC 3676 distance=64' 18452+3914 STF2392AB distance=65' 18452+3914 STF2392AC distance=65' 18452+3914 STF2392BC distance=65' 18560+3941 ALI1105 distance=66' 18563+3909 MLB 855 distance=67' 18453+3856 COU1608 distance=68' 18517+4026 MLB 976 distance=69' 18564+3937 DEA 262 distance=69' 18547+4010 DEA 454 distance=70' 18560+3955 KOI4004 distance=71' 18527+4029 DEA 461 distance=74' 18536+3814 UC 3713 distance=75' 18443+3940 STFA 37DI distance=75' 18443+3940 CHR 77Ca,Cb distance=75' 18443+3940 SHJ 277CD,F distance=75' 18443+3940 SHJ 277CD,G distance=75' 18443+3940 SHJ 277CD,H distance=75' 18443+3940 STF2383CD distance=75' 18443+3940 STF2383CE distance=75' 18443+3940 STFA 37CI distance=75' 18443+3940 SHJ 277EF distance=76' 18443+3940 SHJ 277EG distance=76' 18443+3940 STFA 37EI distance=76' 18453+4005 ROE 50CF distance=76' 18443+3940 SHJ 277GH distance=76' 18443+3940 STF2382AB distance=76' 18443+3940 STFA 37AB,CD (Double Double) distance=76' 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 18507+3920 HDS2672 19 0.1
Show 18523+3926 WEI 33 330 100.0 20
Show 18490+3914 COU1610 145 0.4 21
Show 18532+3921 TDT1109 228 0.6 30
Show 18481+3929 COU1609 202 0.8 31
Show 18480+3858 ES 2572 66 6.3 39
Show 18541+3923 RAO 400 192 3.6 40
Show 18541+3922 FMR 141 345 31.2 40
Show 18501+4002 HU 1192 44 2.5 43
Show 18483+3956 SLW1221 63 49.1 45
Show 18478+3954 GRV 240 43 15.6 48
Show 18466+3853 ES 2021 AB 254 20.2 55
Show 18466+3853 ES 2021 AC 261 23.1 55
Show 18466+3853 ES 2021 BC 298 3.8 56
Show 18552+3941 TDT1126 191 0.4 57
Show 18496+4020 UC 3687 160 11.5 62
Show 18457+3942 FYM 51 BD 344 34.6 62
Show 18457+3942 BU 51 BC 297 6.0 62
Show 18457+3942 BU 51 AB 185 74.2 62
Show 18496+3819 FYM 173 166 19.3 63
Show 18465+3958 LDS4799 70 10.3 63
Show 18496+3818 AG 226 54 26.0 64
Show 18560+3938 KOI5069 302 2.7 64
Show 18483+4018 UC 3676 11 49.2 64
Show 18452+3914 STF2392 AB 314 2.8 65
Show 18452+3914 STF2392 AC 173 23.8 65
Show 18452+3914 STF2392 BC 169 26.2 65
Show 18560+3941 ALI1105 345 12.6 66
Show 18563+3909 MLB 855 262 5.0 67
Show 18453+3856 COU1608 230 1.1 68
Show 18517+4026 MLB 976 290 5.3 69
Show 18564+3937 DEA 262 168 11.0 69
Show 18547+4010 DEA 454 55 33.3 70
Show 18560+3955 KOI4004 218 1.9 71
Show 18527+4029 DEA 461 317 36.9 74
Show 18536+3814 UC 3713 297 81.8 75
Show 18443+3940 STFA 37 DI 37 121.6 75
Show 18443+3940 CHR 77 Ca,Cb 225 0.1 75
Show 18443+3940 SHJ 277 CD,F 93.3 75
Show 18443+3940 SHJ 277 CD,G 293 75.1 75
Show 18443+3940 SHJ 277 CD,H 313 95.7 75
Show 18443+3940 STF2383 CD 75 2.3 75
Show 18443+3940 STF2383 CE 334 63.2 75
Show 18443+3940 STFA 37 CI 37 120.4 75
Show 18443+3940 SHJ 277 EF 37 45.4 76
Show 18443+3940 SHJ 277 EG 236 50.0 76
Show 18443+3940 STFA 37 EI 68 108.9 76
Show 18453+4005 ROE 50 CF 99 9.9 76
Show 18443+3940 SHJ 277 GH 358 35.8 76
Show 18443+3940 STF2382 AB 345 2.2 76
Show Double Double 18443+3940 STFA 37 AB,CD 172 209.4 76

 
 
WDS 18507+3920 : COMPONENTS
 
 
  A
B pa=15.1°
sep=0.09"
 
 
18507+3920 A
 
 
Componente originario normalizzato AB Name HD 174809 Coord arcsec 2000 185040.03+392024.6 Mag 8.07
Spectral class F8 (yellow-white) PmRA 10.00 PmDE -1.0 SAO 67463
HIP 92468 Tycho2 3119-02529-1 HD 174809 BD BD+39 3551
Tycho2
Tycho2 3119-02529-1 Pflag RAmdeg 282.66682840 DEmdeg 39.34016866
PmRA 9.5 PmDE -0.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.20 EpDEm 1991.23
Num 11 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 1.0 BTmag 8.151 E BTmag 0.016 VTmag 7.372
E VTmag 0.010 Prox 999 TYC T HIP 92468
CCDM AB RAdeg 282.66680000 DEdeg 39.34016972 EpRA 1990 1.59
EpDE 1990 1.60 E RAdeg 4.8 E DEdeg 4.7 Posflg P
Corr 0.1
SAO
SAO 67463 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.011 Vmag 6.9 SpType F8
Double code Source 5 CatNum 1851 DM BD+39 3551
DMcomp BDsup HD 174809 M HD 0
GC RA1950rad 4.92616491 DE1950rad 0.6855671 PmRA2000 0.0016
PmDE2000 -0.011
Hipparcos
Catalog H HIP 92468 Proxy H RAhms 18 50 40.03
DEdms +39 20 24.6 Vmag 7.28 VarFlag R Vmag H
RAdeg 282.667 DEdeg 39.3402 AstroRef * Plx 4.24
CCDM 18507+3920 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 24 Rho 0.108 HD 174809 BD BD+39 3551
CD CP Dm number +39 3551 VIred 0.76
SpType F8 R SpType Coord arcsec 2000 185040.03+392024.6
Hipparcos 2
HIP 92468 Sn 55 So 3 Nc 2
RArad 4.9334663391 DErad 0.686615495 Plx 3.85 PmRA 10.15
PmDE -1.33 E RArad 0.37 E DErad 0.44 E Plx 0.48
E pmRA 0.38 E pmDE 0.5 Hpmag 7.4251 E Hpmag 0.0013
SHp 0.01 VA 0 BV 0.708 E BV 0.015
VI 0.76
CCDM
Ccdm 18507+3920 RComp Comp A Note1
Note2 Discov num DRAs -1.97 DDEs 24.5
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.1 Sp F8 PmNote *
PmRA 10 PmDE -1 Dm number +39 3551 Cat1 BD
Name2 +39 1851 Cat2 AGK2/3 HD 174809 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 92468
 
 
18507+3920 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 185040.03+392024.7 Mag 8.29 Calc delta mag 0.22
Calc coord yes
CCDM
Ccdm 18507+3920 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.96 DDEs 24.6
R dRAs 82 Year 1991 Theta 24 Rho 0.1
Obs 1 Vmag 8.3 Sp PmNote *
PmRA 10 PmDE -1 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 92468