stampa
Login

Preset columns are boring you? Create your own custom set!
Register here!


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20209+3928
HO 127


Nearby doubles
7' : 20207+3922
SEI1094

8' : 20208+3922
BKO 568

9' : 20203+3924
A 1427AB

10' : 20203+3922
SEI1091

10' : 20208+3919
TDT2196

11' : 20206+3919
TDS1061

11' : 20203+3920
SEI1090

11' : 20210+3919
SEI1097AB

12' : 20201+3921
ES 2050AB

13' : 20203+3919
BKO 566

13' : 20206+3917
BKO 567AB

13' : 20199+3933
HO 593

14' : 20200+3921
MLB 882

22' : 20192+3938
ES 2051

23' : 20215+3950
SEI1103

24' : 20191+3916
TRN 28AB

26' : 20188+3924
SEI1078

28' : 20216+3902
SEI1101

29' : 20230+3913
STTA206AB

29' : 20214+3900
GRV 334

29' : 20189+3945
COU2537

31' : 20185+3916
MLB 881

31' : 20203+3958
BRT2260

32' : 20188+3909
SEI1079

32' : 20235+3918
SEI1111

32' : 20198+3958
MLB1014



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.

20209+3928 HO 127

 
 
20h 20m 55.64s +39° 28' 26.8" P.A. 94.00 sep 1.9 mag 8.94,13.40 Sp A5V
 
 
Coord 2000 20209+3928 Discov num HO  127 Comp Coord arcsec 2000 20 20 55.64 +39 28 26.8
Date first 1886 Date last 2015 Obs 6
Pa first 90 Pa last 94 P.A. Now (θ) 94°
Sep first 1.6 Sep last 1.914 Sep. Now (ρ) 1.914"
Mag pri 8.94 Mag sec 13.40 delta mag (ΔM) 4.46 Spectral class A5V (white)
Pri motion ra -001 Sec motion ra
Pri motion dec +008 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 69874 Tycho2 3156-00030-1 Gaia DR2 2061440888831720704
HD 193839 ADS 13741
 
 
WDS 20209+3928 HO 127 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20209+3928 HO 127 1924 4 91 1.9 8.94 13.40 A5V 202055.64+392826.8
20209+3928 HO 127 2015 5 94 1.9 8.94 13.40 A5V 202055.64+392826.8

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

 
 
WDS 20209+3928 HO 127 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20209+3928 HO 127 : MEASURES
 
 
No records found.

 
 
WDS 20209+3928 : VIRTUAL EYEPIECE
 
 

20209+3928 HO 127A mag 8.94 Sp A5V 20209+3928 HO 127B sep 1.5 P.A. 95.20 mag 13.4 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 20209+3928 : ALADIN DSS IMAGE @ 20h 20m 55.64s +39° 28' 26.8"
 
 
 
 
WDS 20209+3928 HO 127 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20209+3928 HO 127 distance=0' 20207+3922 SEI1094 distance=7' 20208+3922 BKO 568 distance=8' 20203+3924 A 1427AB distance=9' 20203+3924 STF2668AB,C distance=9' 20203+3922 SEI1091 distance=10' 20208+3919 TDT2196 distance=10' 20206+3919 TDS1061 distance=11' 20210+3919 TOB 186BC distance=11' 20203+3920 SEI1090 distance=11' 20210+3919 SEI1097AB distance=11' 20201+3921 ES 2050AB distance=12' 20201+3921 ES 2050AC distance=12' 20203+3919 BKO 566 distance=13' 20206+3917 BKO 567AB distance=13' 20206+3917 BKO 567AC distance=13' 20199+3933 HO 593 distance=13' 20200+3921 MLB 882 distance=14' 20192+3938 ES 2051 distance=22' 20215+3950 SEI1103 distance=23' 20191+3916 TRN 28AB distance=24' 20191+3916 TRN 28AC distance=24' 20188+3924 SEI1078 distance=26' 20216+3902 SEI1101 distance=28' 20230+3913 SEI1107BC distance=28' 20230+3913 STTA206AB distance=29' 20230+3913 STTA206AD distance=29' 20214+3900 GRV 334 distance=29' 20189+3945 COU2537 distance=29' 20185+3916 MLB 881 distance=31' 20203+3958 BRT2260 distance=31' 20188+3909 SEI1079 distance=32' 20235+3918 SEI1111 distance=32' 20198+3958 MLB1014 distance=32' 20237+3937 ALI1141 distance=34' 20199+4000 MLB1015 distance=34' 20192+3859 HO 126AB distance=36' 20192+3859 HO 126AC distance=36' 20221+3855 SEI1104 distance=36' 20190+3900 HO 125 distance=37' 20184+3950 A 1424 distance=37' 20239+3912 J 129 distance=38' 20177+3921 SEI1070 distance=39' 20198+3852 SLE1004 distance=40' 20229+3856 SEI1106 distance=40' 20183+3953 BKO 822 distance=40' 20241+3912 SEI1115 distance=40' 20177+3914 COU2536 distance=41' 20240+3906 FGS 32 distance=42' 20178+3956 HJ 2951AB distance=45' 20178+3956 FOX9014AC 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 20209+3928 HO 127 94 1.9
Show 20207+3922 SEI1094 316 27.1 7
Show 20208+3922 BKO 568 249 8.1 8
Show 20203+3924 A 1427 AB 132 0.2 9
Show 20203+3924 STF2668 AB,C 280 3.5 9
Show 20203+3922 SEI1091 180 27.7 10
Show 20208+3919 TDT2196 192 0.4 10
Show 20206+3919 TDS1061 345 1.5 11
Show 20210+3919 TOB 186 BC 51 16.2 11
Show 20203+3920 SEI1090 154 13.9 11
Show 20210+3919 SEI1097 AB 44 27.2 11
Show 20201+3921 ES 2050 AB 92 5.9 12
Show 20201+3921 ES 2050 AC 191 11.2 12
Show 20203+3919 BKO 566 159 5.9 13
Show 20206+3917 BKO 567 AB 284 5.6 13
Show 20206+3917 BKO 567 AC 87 5.2 13
Show 20199+3933 HO 593 313 5.0 13
Show 20200+3921 MLB 882 279 5.0 14
Show 20192+3938 ES 2051 306 4.9 22
Show 20215+3950 SEI1103 223 17.0 23
Show 20191+3916 TRN 28 AB 80 4.9 24
Show 20191+3916 TRN 28 AC 158 3.2 24
Show 20188+3924 SEI1078 45 17.7 26
Show 20216+3902 SEI1101 11 11.6 28
Show 20230+3913 SEI1107 BC 69 19.3 28
Show 20230+3913 STTA206 AB 254 43.7 29
Show 20230+3913 STTA206 AD 259 24.5 29
Show 20214+3900 GRV 334 275 31.1 29
Show 20189+3945 COU2537 295 0.8 29
Show 20185+3916 MLB 881 145 10.3 31
Show 20203+3958 BRT2260 9 3.2 31
Show 20188+3909 SEI1079 110 6.2 32
Show 20235+3918 SEI1111 10 25.3 32
Show 20198+3958 MLB1014 241 7.6 32
Show 20237+3937 ALI1141 21 11.5 34
Show 20199+4000 MLB1015 89 4.0 34
Show 20192+3859 HO 126 AB 163 2.2 36
Show 20192+3859 HO 126 AC 247 37.0 36
Show 20221+3855 SEI1104 195 18.2 36
Show 20190+3900 HO 125 196 3.5 37
Show 20184+3950 A 1424 46 1.1 37
Show 20239+3912 J 129 35 3.3 38
Show 20177+3921 SEI1070 143 27.9 39
Show 20198+3852 SLE1004 166 11.2 40
Show 20229+3856 SEI1106 109 3.8 40
Show 20183+3953 BKO 822 60 7.1 40
Show 20241+3912 SEI1115 181 23.6 40
Show 20177+3914 COU2536 312 1.8 41
Show 20240+3906 FGS 32 -1 -1.0 42
Show 20178+3956 HJ 2951 AB 125 10.8 45
Show 20178+3956 FOX9014 AC 61 24.4 45

 
 
WDS 20209+3928 : COMPONENTS
 
 
  A
B pa=95.2°
sep=1.48"
 
 
20209+3928 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 202055.64+392826.8 Mag 8.94 Spectral class A5V (white)
PmRA -1.00 PmDE 8.0 SAO 69874 Tycho2 3156-00030-1
HD 193839 ADS 13741 DM BD+39 4145
Tycho2
Tycho2 3156-00030-1 Pflag RAmdeg 305.23186241 DEmdeg 39.47411294
PmRA 6.0 PmDE 10.6 E RAmdeg 9 E DEmdeg 7
E pmRA 1.1 E pmDE 1.2 EpRAm 1990.62 EpDEm 1991.19
Num 8 Q RAmdeg 1.7 Q DEmdeg 0.9 Q pmRA 1.7
Q pmDE 0.8 BTmag 9.208 E BTmag 0.018 VTmag 8.940
E VTmag 0.015 Prox 819 TYC T HIP
CCDM RAdeg 305.23184222 DEdeg 39.47408917 EpRA 1990 1.62
EpDE 1990 1.79 E RAdeg 9.0 E DEdeg 7.4 Posflg
Corr 0.0
SAO
SAO 69874 DelFlag RA1950 PmRA1950 0.0018
DE1950 PmDE1950 -0.003 Vmag 9 SpType F0
Double code Source 5 CatNum 2110 DM BD+39 4145
DMcomp BDsup HD 193839 M HD 0
GC RA1950rad 5.31938758 DE1950rad 0.68616268 PmRA2000 0.0021
PmDE2000 -0.005
CCDM
Ccdm 20209+3928 RComp Comp A Note1
Note2 Discov num DRAs 1.62 DDEs 26.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp F0 PmNote *
PmRA -3 PmDE 8 Dm number +39 4145 Cat1 BD
Name2 +39 2110 Cat2 AGK2/3 HD 193839 M HD
ADS BDS A13741 M ADS BDS N IDS IDS 20173N3909A
HIC
 
 
20209+3928 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 202055.77+392826.7 Mag 13.4 Calc delta mag 4.46
Calc coord yes
CCDM
Ccdm 20209+3928 RComp Comp B Note1
Note2 Discov num HO 127 DRAs DDEs
R dRAs Year 1886 Theta 089 Rho 1.7
Obs 4 Vmag 13.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A13741 M ADS BDS N IDS IDS 20173N3909B
HIC