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Current system
20435+3919
SEI 1229


Nearby doubles
11' : 20438+3928
SEI1230

11' : 20441+3927
ES 1981

12' : 20445+3921
HJ 1572

19' : 20449+3908
SEI1236

25' : 20457+3917
SEI1241

25' : 20434+3943
TDT2497

30' : 20430+3850
ES 2053

31' : 20433+3847
GRV 371

31' : 20427+3947
TDT2491

32' : 20453+3854
SEI1239

33' : 20410+3905
HJ 612AB

36' : 20461+3858
CRB 11

38' : 20459+3852
COU2294

40' : 20416+3950
COU2290

40' : 20440+3839
COU2292

41' : 20440+3838
TDT2506

41' : 20419+3953
SEI1222

43' : 20449+3839
ALI 951

43' : 20434+4001
BRT2272

43' : 20419+3956
SEI1221

45' : 20436+3834
BRT2232

47' : 20396+3908
SEI1210

49' : 20471+3850
HJ 1575

51' : 20392+3910
MLB 954AB

51' : 20402+3846
TDT2459

52' : 20480+3917
A 1434AB



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20435+3919 SEI 1229

 
 
20h 43m 34.91s +39° 18' 00.3" P.A. 156.00 sep 19.6 mag 11.64,11.99
 
 
Coord 2000 20435+3919 Discov num SEI1229 Comp Coord arcsec 2000 20 43 34.91 +39 18 00.3
Date first 1896 Date last 2015 Obs 15
Pa first 160 Pa last 156 P.A. Now (θ) 156°
Sep first 19.6 Sep last 19.605 Sep. Now (ρ) 19.605"
Mag pri 11.64 Mag sec 11.99 delta mag (ΔM) 0.35 Spectral class
Pri motion ra -024 Sec motion ra -013
Pri motion dec -029 Sec motion dec -023
Notes
rPM=0.333
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3166-00250-1 Gaia DR2 2063664170066160128
 
 
WDS 20435+3919 SEI 1229 : 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
20435+3919 SEI1229 1998 8 157 19.7 11.65 12.17 D 204334.91+391800.3
20435+3919 SEI1229 2002 9 156 19.6 11.65 12.17 D 204334.91+391800.3
20435+3919 SEI1229 2010 10 156 19.2 11.64 11.99 204334.91+391800.3
20435+3919 SEI1229 2015 11 156 19.6 11.64 11.99 204334.91+391800.3

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

 
 
WDS 20435+3919 SEI 1229 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20435+3919 SEI 1229 : MEASURES
 
 
No records found.

 
 
WDS 20435+3919 : VIRTUAL EYEPIECE
 
 

20435+3919 SEI1229A mag 11.64 20435+3919 SEI1229B sep 18.9 P.A. 161.00 mag 11.99 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 20435+3919 : ALADIN DSS IMAGE @ 20h 43m 34.91s +39° 18' 00.3"
 
 
 
 
WDS 20435+3919 SEI 1229 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20435+3919 SEI1229 distance=0' 20438+3928 SEI1230 distance=11' 20441+3927 ES 1981 distance=11' 20445+3921 HJ 1572 distance=12' 20449+3908 SEI1236 distance=19' 20457+3917 SEI1241 distance=25' 20434+3943 TDT2497 distance=25' 20430+3850 ES 2053 distance=30' 20433+3847 GRV 371 distance=31' 20427+3947 TDT2491 distance=31' 20453+3854 SEI1239 distance=32' 20410+3905 MCA 62Aa,Ab distance=33' 20410+3905 HJ 612AB distance=33' 20461+3858 CRB 11 distance=36' 20459+3852 COU2294 distance=38' 20416+3950 COU2290 distance=40' 20440+3839 COU2292 distance=40' 20440+3838 TDT2506 distance=41' 20419+3953 SEI1222 distance=41' 20449+3839 ALI 951 distance=43' 20434+4001 BRT2272 distance=43' 20419+3956 SEI1221 distance=43' 20436+3834 BRT2232 distance=45' 20396+3908 SEI1210 distance=47' 20471+3850 HJ 1575 distance=49' 20392+3910 MLB 954AB distance=51' 20392+3910 MLB 954AC distance=51' 20402+3846 TDT2459 distance=51' 20480+3917 A 1434AB distance=52' 20480+3917 A 1434AB,C distance=52' 20402+3953 MLB 885 distance=53' 20450+3827 ALI 947 distance=53' 20420+3827 AG 263 distance=54' 20453+4010 COU2293 distance=56' 20478+3944 GRV 381 distance=56' 20426+4013 TDT2488 distance=57' 20454+4011 TDT2518 distance=58' 20420+4015 A 1433 distance=60' 20461+3824 ALI 949 distance=61' 20476+3839 SEI1249 distance=62' 20456+4014 TDT2519 distance=62' 20489+3919 TDT2558 distance=62' 20478+3840 SEI1251 distance=63' 20490+3925 TDT2560 distance=63' 20470+3828 ES 2054 distance=64' 20405+4010 TOB 196BC distance=64' 20405+4010 SEI1214AB distance=64' 20415+3818 TDT2473 distance=66' 20395+4002 BRT2269 distance=66' 20382+3938 MLB 778 distance=66' 20436+4024 DAM1256 distance=66' 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 20435+3919 SEI1229 156 19.6
Show 20438+3928 SEI1230 124 25.3 11
Show 20441+3927 ES 1981 310 4.5 11
Show 20445+3921 HJ 1572 280 15.6 12
Show 20449+3908 SEI1236 318 27.4 19
Show 20457+3917 SEI1241 309 7.1 25
Show 20434+3943 TDT2497 317 0.5 25
Show 20430+3850 ES 2053 223 4.5 30
Show 20433+3847 GRV 371 180 65.5 31
Show 20427+3947 TDT2491 275 1.4 31
Show 20453+3854 SEI1239 40 26.8 32
Show 20410+3905 MCA 62 Aa,Ab 276 0.1 33
Show 20410+3905 HJ 612 AB 9 48.9 33
Show 20461+3858 CRB 11 272 10.8 36
Show 20459+3852 COU2294 125 0.9 38
Show 20416+3950 COU2290 43 0.5 40
Show 20440+3839 COU2292 240 0.3 40
Show 20440+3838 TDT2506 23 2.9 41
Show 20419+3953 SEI1222 77 25.4 41
Show 20449+3839 ALI 951 49 11.1 43
Show 20434+4001 BRT2272 285 5.1 43
Show 20419+3956 SEI1221 254 2.0 43
Show 20436+3834 BRT2232 269 5.8 45
Show 20396+3908 SEI1210 303 12.0 47
Show 20471+3850 HJ 1575 51 14.9 49
Show 20392+3910 MLB 954 AB 57 3.1 51
Show 20392+3910 MLB 954 AC 284 109.5 51
Show 20402+3846 TDT2459 36 1.4 51
Show 20480+3917 A 1434 AB 178 0.0 52
Show 20480+3917 A 1434 AB,C 256 2.5 52
Show 20402+3953 MLB 885 72 1.7 53
Show 20450+3827 ALI 947 69 6.9 53
Show 20420+3827 AG 263 70 1.6 54
Show 20453+4010 COU2293 201 1.1 56
Show 20478+3944 GRV 381 340 35.8 56
Show 20426+4013 TDT2488 138 0.5 57
Show 20454+4011 TDT2518 203 0.7 58
Show 20420+4015 A 1433 24 0.8 60
Show 20461+3824 ALI 949 313 11.9 61
Show 20476+3839 SEI1249 69 27.8 62
Show 20456+4014 TDT2519 347 1.3 62
Show 20489+3919 TDT2558 191 1.1 62
Show 20478+3840 SEI1251 42 15.2 63
Show 20490+3925 TDT2560 38 1.1 63
Show 20470+3828 ES 2054 192 2.7 64
Show 20405+4010 TOB 196 BC 32 23.4 64
Show 20405+4010 SEI1214 AB 78 20.3 64
Show 20415+3818 TDT2473 169 0.6 66
Show 20395+4002 BRT2269 199 5.0 66
Show 20382+3938 MLB 778 285 8.3 66
Show 20436+4024 DAM1256 106 9.6 66

 
 
WDS 20435+3919 : COMPONENTS
 
 
  A
B pa=161.0°
sep=18.94"
 
 
20435+3919 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204334.91+391800.3 Mag 11.64 PmRA -24.00
PmDE -29.0 Tycho2 3166-00250-1
Tycho2
Tycho2 3166-00250-1 Pflag RAmdeg 310.89545022 DEmdeg 39.30010021
PmRA -26.8 PmDE -27.3 E RAmdeg 65 E DEmdeg 62
E pmRA 2.1 E pmDE 1.9 EpRAm 1977.51 EpDEm 1975.88
Num 6 Q RAmdeg 2.1 Q DEmdeg 1.6 Q pmRA 2.1
Q pmDE 1.7 BTmag 12.771 E BTmag 0.208 VTmag 11.652
E VTmag 0.111 Prox 198 TYC HIP
CCDM RAdeg 310.89552417 DEdeg 39.30015972 EpRA 1990 1.68
EpDE 1990 1.67 E RAdeg 72.0 E DEdeg 69.3 Posflg
Corr 0.1
 
 
20435+3919 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204335.44+391742.4 Mag 11.99 PmRA -13.00
PmDE -23.0 Tycho2 3166-01407-1 Calc delta mag 0.35 Calc coord yes
Tycho2
Tycho2 3166-01407-1 Pflag RAmdeg 310.89828695 DEmdeg 39.29506231
PmRA -15.0 PmDE -25.2 E RAmdeg 63 E DEmdeg 59
E pmRA 1.9 E pmDE 1.8 EpRAm 1974.16 EpDEm 1974.67
Num 6 Q RAmdeg 1.5 Q DEmdeg 1.9 Q pmRA 1.5
Q pmDE 1.9 BTmag 12.229 E BTmag 0.128 VTmag 12.168
E VTmag 0.174 Prox 198 TYC HIP
CCDM RAdeg 310.89833250 DEdeg 39.29511472 EpRA 1990 1.67
EpDE 1990 1.65 E RAdeg 72.3 E DEdeg 67.1 Posflg
Corr 0.1