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Doubles in session


Current system
19539+3906
SEI 718
HD 188501


Nearby doubles
9' : 19535+3859
SEI 717AB

13' : 19544+3918
SEI 721AB

16' : 19530+3856
MLB 767

16' : 19528+3916
ALI1127

17' : 19539+3923
SEI 719

18' : 19529+3922
SEI 713

20' : 19547+3850
SEI 725

21' : 19556+3907
SEI 734

22' : 19527+3924
ALI1126

23' : 19530+3846
BUP 201AB

23' : 19555+3919
TDT1852AB

26' : 19558+3918
MLB 877

26' : 19535+3933
MLB 947

26' : 19559+3915
MLB 878

26' : 19559+3918
MLB 879

28' : 19534+3934
MLB 946

29' : 19529+3840
OPI9001AB

29' : 19533+3935
MLB 945

30' : 19529+3934
MLB 943

31' : 19530+3936
MLB 944

32' : 19564+3916
ALI 909AB

34' : 19561+3845
A 1407

35' : 19509+3910
A 1406

36' : 19508+3906
COU2528

36' : 19567+3920
MLB 880

37' : 19516+3932
HDS2830



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.

19539+3906 SEI 718 (HD 188501)

 
 
19h 53m 51.79s +39° 06' 25.8" P.A. 354.00 sep 15.9 mag 8.04,11.70 Sp B9 dist. 729.93 pc (2381.03 l.y.)
 
 
Coord 2000 19539+3906 Discov num SEI 718 Comp Coord arcsec 2000 19 53 51.79 +39 06 25.8
Date first 1896 Date last 2015 Obs 11
Pa first 351 Pa last 353.9 P.A. Now (θ) 353.9°
Sep first 15.3 Sep last 15.861 Sep. Now (ρ) 15.861"
Mag pri 8.04 Mag sec 11.70 delta mag (ΔM) 3.66 Spectral class B9 (blue-white)
Pri motion ra +002 Sec motion ra +004
Pri motion dec -002 Sec motion dec +003
Notes
rPM=1.077
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 188501 Constellation Cygnus SAO 69045 HIP 97913
Tycho2 3137-00479-1 Gaia DR2 2073380176377860096 HD 188501 BD BD+38 3809
Distance 729.93 Distance ly 2381.03
 
 
WDS 19539+3906 SEI 718 (HD 188501) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19539+3906 SEI 718 1998 4 354 15.8 8.20 11.70 B9 D 195351.79+390625.8
19539+3906 SEI 718 2002 5 354 16.0 8.20 11.70 B9 D 195351.79+390625.8
19539+3906 SEI 718 2010 6 354 15.2 8.04 11.70 B9 195351.79+390625.8
19539+3906 SEI 718 2015 7 354 15.9 8.04 11.70 B9 195351.79+390625.8

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

 
 
WDS 19539+3906 SEI 718 (HD 188501) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19539+3906 SEI 718 (HD 188501) : MEASURES
 
 
No records found.

 
 
WDS 19539+3906 (HD 188501) : VIRTUAL EYEPIECE
 
 

19539+3906 SEI 718A mag 8.04 Sp B9 19539+3906 SEI 718B sep 15.8 P.A. 355.30 mag 11.7 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 19539+3906 (HD 188501) : ALADIN DSS IMAGE @ 19h 53m 51.79s +39° 06' 25.8"
 
 
 
 
WDS 19539+3906 SEI 718 (HD 188501) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19539+3906 SEI 718 distance=0' 19535+3859 SEI 717AB distance=9' 19535+3859 ES 2684AC distance=9' 19544+3918 SEI 721AB distance=13' 19544+3918 SEI 722AC distance=13' 19544+3918 HJ 2909AD distance=13' 19530+3856 MLB 767 distance=16' 19528+3916 ALI1127 distance=16' 19539+3923 SEI 719 distance=17' 19529+3922 SEI 713 distance=18' 19547+3850 SEI 725 distance=20' 19556+3907 SEI 734 distance=21' 19527+3924 ALI1126 distance=22' 19530+3846 BUP 201AB distance=23' 19530+3846 OPI9002AC distance=23' 19555+3919 TDT1852AB distance=23' 19555+3919 SEI 733AC distance=23' 19558+3918 MLB 877 distance=26' 19535+3933 MLB 947 distance=26' 19559+3915 MLB 878 distance=26' 19559+3918 MLB 879 distance=26' 19534+3934 MLB 946 distance=28' 19529+3840 DAM 817BC distance=28' 19529+3840 OPI9001AB distance=29' 19533+3935 MLB 945 distance=29' 19529+3934 MLB 943 distance=30' 19530+3936 MLB 944 distance=31' 19564+3916 ALI 909BC distance=32' 19564+3916 ALI 909AB distance=32' 19564+3916 ALI 909AC distance=32' 19561+3845 A 1407 distance=34' 19509+3910 A 1406 distance=35' 19508+3906 COU2528 distance=36' 19567+3920 MLB 880 distance=36' 19516+3932 HDS2830 distance=37' 19547+3831 ALI 907 distance=38' 19534+3831 SEI 715 distance=38' 19558+3836 SEI 735 distance=38' 19510+3849 RAO 419 distance=39' 19569+3922 SEI 742 distance=39' 19563+3935 SEI 740 distance=41' 19561+3937 GRV 297 distance=41' 19530+3825 COU2532 distance=43' 19536+3823 ES 2042 distance=44' 19505+3848 GMC 20 distance=44' 19573+3927 SEI 744 distance=44' 19506+3843 HJ 603BC distance=45' 19506+3843 HJ 603BE distance=45' 19576+3906 MLB 981 distance=45' 19551+3948 GRV 294 distance=45' 19576+3914 J 1069 distance=45' 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 19539+3906 SEI 718 354 15.9
Show 19535+3859 SEI 717 AB 105 4.7 9
Show 19535+3859 ES 2684 AC 318 16.0 9
Show 19544+3918 SEI 721 AB 199 6.2 13
Show 19544+3918 SEI 722 AC 65 21.2 13
Show 19544+3918 HJ 2909 AD 246 30.6 13
Show 19530+3856 MLB 767 127 8.2 16
Show 19528+3916 ALI1127 175 11.7 16
Show 19539+3923 SEI 719 60 16.0 17
Show 19529+3922 SEI 713 136 16.8 18
Show 19547+3850 SEI 725 298 31.8 20
Show 19556+3907 SEI 734 117 23.3 21
Show 19527+3924 ALI1126 167 19.0 22
Show 19530+3846 BUP 201 AB 266 28.1 23
Show 19530+3846 OPI9002 AC 217 29.0 23
Show 19555+3919 TDT1852 AB 32 2.1 23
Show 19555+3919 SEI 733 AC 142 23.4 23
Show 19558+3918 MLB 877 32 5.0 26
Show 19535+3933 MLB 947 255 6.7 26
Show 19559+3915 MLB 878 196 3.8 26
Show 19559+3918 MLB 879 140 4.1 26
Show 19534+3934 MLB 946 221 5.1 28
Show 19529+3840 DAM 817 BC 120 5.9 28
Show 19529+3840 OPI9001 AB 28 45.9 29
Show 19533+3935 MLB 945 85 1.4 29
Show 19529+3934 MLB 943 243 4.5 30
Show 19530+3936 MLB 944 152 7.2 31
Show 19564+3916 ALI 909 BC 320 3.7 32
Show 19564+3916 ALI 909 AB 201 14.7 32
Show 19564+3916 ALI 909 AC 215 13.3 32
Show 19561+3845 A 1407 147 1.0 34
Show 19509+3910 A 1406 269 1.2 35
Show 19508+3906 COU2528 169 0.6 36
Show 19567+3920 MLB 880 268 4.4 36
Show 19516+3932 HDS2830 204 0.7 37
Show 19547+3831 ALI 907 23 14.6 38
Show 19534+3831 SEI 715 319 32.2 38
Show 19558+3836 SEI 735 132 20.4 38
Show 19510+3849 RAO 419 355 1.8 39
Show 19569+3922 SEI 742 144 7.8 39
Show 19563+3935 SEI 740 163 9.5 41
Show 19561+3937 GRV 297 1 33.4 41
Show 19530+3825 COU2532 155 0.4 43
Show 19536+3823 ES 2042 87 6.9 44
Show 19505+3848 GMC 20 83 12.2 44
Show 19573+3927 SEI 744 85 16.5 44
Show 19506+3843 HJ 603 BC 309 150.5 45
Show 19506+3843 HJ 603 BE 10 20.8 45
Show 19576+3906 MLB 981 61 6.2 45
Show 19551+3948 GRV 294 217 32.6 45
Show 19576+3914 J 1069 66 2.4 45

 
 
WDS 19539+3906 : COMPONENTS
 
 
  A
B pa=355.3°
sep=15.83"
 
 
19539+3906 A
 
 
Componente originario normalizzato AB Name HD 188501 Coord arcsec 2000 195351.79+390625.8 Mag 8.04
Spectral class B9 (blue-white) PmRA 2.00 PmDE -2.0 SAO 69045
HIP 97913 Tycho2 3137-00479-1 HD 188501 BD BD+38 3809
Tycho2
Tycho2 3137-00479-1 Pflag RAmdeg 298.46579469 DEmdeg 39.10715856
PmRA 1.9 PmDE -3.4 E RAmdeg 5 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.10 EpDEm 1991.20
Num 18 Q RAmdeg 0.6 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 7.945 E BTmag 0.016 VTmag 8.042
E VTmag 0.012 Prox 696 TYC T HIP 97913
CCDM RAdeg 298.46578889 DEdeg 39.10716611 EpRA 1990 1.66
EpDE 1990 1.66 E RAdeg 5.0 E DEdeg 5.3 Posflg
Corr 0.1
SAO
SAO 69045 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.003 Vmag 8.3 SpType B9
Double code Source 5 CatNum 1922 DM BD+38 3809
DMcomp BDsup HD 188501 M HD 0
GC RA1950rad 5.20149986 DE1950rad 0.68025143 PmRA2000 0.0015
PmDE2000 -0.004
Hipparcos
Catalog H HIP 97913 Proxy RAhms 19 53 51.79
DEdms +39 06 25.8 Vmag 8.04 VarFlag R Vmag H
RAdeg 298.466 DEdeg 39.1072 AstroRef Plx 1.71
CCDM 19539+3906 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 188501 BD BD+38 3809
CD CP Dm number +38 3809 VIred -0.07
SpType Bp R SpType Coord arcsec 2000 195351.79+390625.8
Hipparcos 2
HIP 97913 Sn 5 So 0 Nc 1
RArad 5.2092106754 DErad 0.6825488132 Plx 1.37 PmRA 2.15
PmDE -2.62 E RArad 0.44 E DErad 0.45 E Plx 0.56
E pmRA 0.46 E pmDE 0.6 Hpmag 8.0163 E Hpmag 0.0013
SHp 0.013 VA 0 BV -0.09 E BV 0.015
VI -0.07
CCDM
Ccdm 19539+3906 RComp Comp A Note1
Note2 Discov num DRAs -2.20 DDEs 25.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.2 Sp B9 PmNote *
PmRA 7 PmDE -12 Dm number +38 3809 Cat1 BD
Name2 +38 1922 Cat2 AGK2/3 HD 188501 M HD
ADS BDS A13091 M ADS BDS N IDS IDS 19503N3851A
HIC 97913
 
 
19539+3906 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 195351.68+390641.6 Mag 11.7 PmRA 4.00
PmDE 3.0 Calc delta mag 3.66 Calc coord yes
CCDM
Ccdm 19539+3906 RComp Comp B Note1
Note2 Discov num SEI 718 DRAs DDEs
R dRAs Year 1896 Theta 351 Rho 15.0
Obs 1 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13091 M ADS BDS N IDS IDS 19503N3851B
HIC