stampa
Login

Keep tracks of you favourite doubles.
Register here


Search



Actions
Advanced Search
Go to Simbad
New report
New measure
Login


Computed Lists
Populars
Latest Populars
Doubles in session


Current system
20306+3850
SEI 1144


Nearby doubles
7' : 20311+3847
SEI1150

8' : 20311+3854
SEI1149

14' : 20296+3856
MLB 775

16' : 20296+3901
ALI 936AB

17' : 20304+3833
A 1430

19' : 20296+3836
SEI1136

19' : 20293+3901
DAM 315

20' : 20300+3832
SMA 117

20' : 20314+3833
JNN 284

23' : 20324+3859
SEI1157

23' : 20317+3831
ES 246AB

28' : 20302+3823
SEI1141

30' : 20281+3847
ALI 933

31' : 20287+3911
CBL 83

32' : 20330+3903
SEI1163

34' : 20292+3919
SEI1134

34' : 20319+3920
HJ 1531

35' : 20335+3858
SEI1166

36' : 20336+3854
KPP4205

37' : 20327+3916
SEI1160AB

37' : 20332+3910
SEI1165

38' : 20332+3911
CNT 6

38' : 20275+3902
TDT2290

39' : 20290+3924
ALI1144

40' : 20337+3835
A 1431

41' : 20331+3822
TDT2363



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.

20306+3850 SEI 1144

 
 
20h 30m 34.73s +38° 50' 12.8" P.A. 177.00 sep 18.1 mag 11.39,13.00
 
 
Coord 2000 20306+3850 Discov num SEI1144 Comp Coord arcsec 2000 20 30 34.73 +38 50 12.8
Date first 1895 Date last 2015 Obs 10
Pa first 159 Pa last 177.3 P.A. Now (θ) 177.3°
Sep first 13.7 Sep last 18.075 Sep. Now (ρ) 18.075"
Mag pri 11.39 Mag sec 13.00 delta mag (ΔM) 1.61 Spectral class
Pri motion ra +004 Sec motion ra -037
Pri motion dec -010 Sec motion dec -050
Notes
rPM=0.921
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3153-00819-1 Gaia DR2 2064119470956120960
 
 
WDS 20306+3850 SEI 1144 : 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
20306+3850 SEI1144 1998 3 175 17.4 11.39 13.00 D 203034.73+385012.8
20306+3850 SEI1144 2002 4 176 17.6 11.39 13.00 D 203034.73+385012.8
20306+3850 SEI1144 2010 5 176 17.7 11.39 13.00 203034.73+385012.8
20306+3850 SEI1144 2015 6 177 18.1 11.39 13.00 203034.73+385012.8

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

 
 
WDS 20306+3850 SEI 1144 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20306+3850 SEI 1144 : MEASURES
 
 
No records found.

 
 
WDS 20306+3850 : VIRTUAL EYEPIECE
 
 

20306+3850 SEI1144A mag 11.39 20306+3850 SEI1144B sep 18.1 P.A. 177.90 mag 13 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 20306+3850 : ALADIN DSS IMAGE @ 20h 30m 34.73s +38° 50' 12.8"
 
 
 
 
WDS 20306+3850 SEI 1144 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20306+3850 SEI1144 distance=0' 20311+3847 SEI1150 distance=7' 20311+3854 SEI1149 distance=8' 20296+3856 MLB 775 distance=14' 20296+3901 ALI 936AB distance=16' 20296+3901 SEI1137AC distance=16' 20304+3833 A 1430 distance=17' 20296+3836 SEI1136 distance=19' 20293+3901 DAM 315 distance=19' 20300+3832 SMA 117 distance=20' 20314+3833 JNN 284 distance=20' 20324+3859 SEI1157 distance=23' 20317+3831 ES 246AB distance=23' 20317+3831 ES 246AC distance=23' 20302+3823 SEI1141 distance=28' 20281+3847 ALI 933 distance=30' 20287+3911 CBL 83 distance=31' 20330+3903 SEI1163 distance=32' 20292+3919 SEI1134 distance=34' 20319+3920 HJ 1531 distance=34' 20335+3858 SEI1166 distance=35' 20336+3854 KPP4205 distance=36' 20327+3916 SEI1160AB distance=37' 20327+3916 SEI1159AC distance=37' 20332+3910 SEI1165 distance=37' 20332+3911 CNT 6 distance=38' 20275+3902 TDT2290 distance=38' 20290+3924 ALI1144 distance=39' 20337+3835 A 1431 distance=40' 20331+3822 TDT2363 distance=41' 20286+3923 TDT2315 distance=41' 20282+3821 TDT2304 distance=41' 20341+3847 KPP4206 distance=42' 20335+3913 SEI1168 distance=42' 20288+3812 ES 2508 distance=42' 20281+3820 SMR 71 distance=42' 20276+3926 GUL 3 distance=43' 20329+3925 TDT2358 distance=44' 20297+3808 STF2691 distance=44' 20288+3810 ES 206 distance=45' 20271+3910 TDT2284 distance=45' 20311+3935 LDS6414 distance=45' 20315+3806 SEI1151 distance=45' 20271+3909 ALI 932 distance=46' 20344+3852 SEI1172 distance=46' 20280+3813 ES 2507 distance=49' 20298+3939 LSC 90 distance=50' 20349+3849 SEI1176 distance=51' 20348+3852 GRV 357 distance=51' 20331+3932 SEI1164 distance=52' 20349+3840 SEI1177 distance=52' 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 20306+3850 SEI1144 177 18.1
Show 20311+3847 SEI1150 74 21.6 7
Show 20311+3854 SEI1149 203 19.6 8
Show 20296+3856 MLB 775 167 10.8 14
Show 20296+3901 ALI 936 AB 77 10.5 16
Show 20296+3901 SEI1137 AC 310 22.0 16
Show 20304+3833 A 1430 132 3.4 17
Show 20296+3836 SEI1136 259 11.5 19
Show 20293+3901 DAM 315 281 10.3 19
Show 20300+3832 SMA 117 264 12.4 20
Show 20314+3833 JNN 284 252 0.1 20
Show 20324+3859 SEI1157 66 7.6 23
Show 20317+3831 ES 246 AB 355 5.1 23
Show 20317+3831 ES 246 AC 354 9.9 23
Show 20302+3823 SEI1141 175 22.5 28
Show 20281+3847 ALI 933 254 13.8 30
Show 20287+3911 CBL 83 172 41.8 31
Show 20330+3903 SEI1163 221 28.9 32
Show 20292+3919 SEI1134 32 3.8 34
Show 20319+3920 HJ 1531 318 6.4 34
Show 20335+3858 SEI1166 73 17.0 35
Show 20336+3854 KPP4205 80 2.6 36
Show 20327+3916 SEI1160 AB 49 13.9 37
Show 20327+3916 SEI1159 AC 148 21.0 37
Show 20332+3910 SEI1165 4 10.7 37
Show 20332+3911 CNT 6 205 6.6 38
Show 20275+3902 TDT2290 285 0.8 38
Show 20290+3924 ALI1144 165 11.6 39
Show 20337+3835 A 1431 29 0.9 40
Show 20331+3822 TDT2363 174 0.5 41
Show 20286+3923 TDT2315 141 1.5 41
Show 20282+3821 TDT2304 199 5.4 41
Show 20341+3847 KPP4206 215 1.6 42
Show 20335+3913 SEI1168 118 19.4 42
Show 20288+3812 ES 2508 302 6.3 42
Show 20281+3820 SMR 71 65 8.4 42
Show 20276+3926 GUL 3 335 0.5 43
Show 20329+3925 TDT2358 287 0.8 44
Show 20297+3808 STF2691 32 16.3 44
Show 20288+3810 ES 206 124 4.2 45
Show 20271+3910 TDT2284 101 1.9 45
Show 20311+3935 LDS6414 346 8.0 45
Show 20315+3806 SEI1151 215 25.1 45
Show 20271+3909 ALI 932 194 14.2 46
Show 20344+3852 SEI1172 149 21.8 46
Show 20280+3813 ES 2507 84 8.2 49
Show 20298+3939 LSC 90 335 0.1 50
Show 20349+3849 SEI1176 11 19.9 51
Show 20348+3852 GRV 357 275 22.5 51
Show 20331+3932 SEI1164 214 18.0 52
Show 20349+3840 SEI1177 139 13.0 52

 
 
WDS 20306+3850 : COMPONENTS
 
 
  A
B pa=177.9°
sep=18.07"
 
 
20306+3850 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203034.73+385012.8 Mag 11.39 PmRA 4.00
PmDE -10.0 Tycho2 3153-00819-1
Tycho2
Tycho2 3153-00819-1 Pflag RAmdeg 307.64472640 DEmdeg 38.83690482
PmRA 0.8 PmDE -5.0 E RAmdeg 53 E DEmdeg 45
E pmRA 1.9 E pmDE 1.8 EpRAm 1980.92 EpDEm 1983.17
Num 5 Q RAmdeg 0.3 Q DEmdeg 1.3 Q pmRA 0.3
Q pmDE 1.2 BTmag 11.860 E BTmag 0.082 VTmag 11.391
E VTmag 0.086 Prox 926 TYC HIP
CCDM RAdeg 307.64472278 DEdeg 38.83691472 EpRA 1990 1.53
EpDE 1990 1.72 E RAdeg 56.8 E DEdeg 48.3 Posflg
Corr -0.1
CCDM
Ccdm 20306+3850 RComp Comp A Note1
Note2 Discov num DRAs -1.47 DDEs 8.9
R dRAs 45 Year Theta Rho
Obs 2 Vmag 10.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20269N3830A
HIC
 
 
20306+3850 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203034.79+384954.7 Mag 13 PmRA -37.00
PmDE -50.0 Calc delta mag 1.61 Calc coord yes
CCDM
Ccdm 20306+3850 RComp Comp B Note1
Note2 Discov num SEI1144 DRAs DDEs
R dRAs Year 1895 Theta 161 Rho 14.2
Obs 2 Vmag 12.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20269N3830B
HIC