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Current system
20419+3956
SEI 1221


Nearby doubles
3' : 20419+3953
SEI1222

8' : 20416+3950
COU2290

13' : 20427+3947
TDT2491

19' : 20434+4001
BRT2272

19' : 20420+4015
A 1433

20' : 20402+3953
MLB 885

20' : 20426+4013
TDT2488

23' : 20405+4010
SEI1214AB

23' : 20434+3943
TDT2497

29' : 20395+4002
BRT2269

34' : 20432+4026
COU2421

35' : 20436+4024
DAM1256

37' : 20438+3928
SEI1230

39' : 20441+3927
ES 1981

40' : 20392+4017
ES 1980

41' : 20453+4010
COU2293

43' : 20440+4030
SLN 85

43' : 20444+4027
TDT2510

43' : 20435+3919
SEI1229

43' : 20429+4036
MLB 24

43' : 20454+4011
TDT2518

45' : 20422+4041
MLB 23

46' : 20382+3938
MLB 778

47' : 20456+4014
TDT2519

47' : 20445+3921
HJ 1572

47' : 20379+4005
ES 1978



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

20419+3956 SEI 1221

 
 
20h 41m 53.07s +39° 56' 02.4" P.A. 254.00 sep 2.0 mag 10.89,11.10
 
 
Coord 2000 20419+3956 Discov num SEI1221 Comp Coord arcsec 2000 20 41 53.07 +39 56 02.4
Date first 1896 Date last 1896 Obs 1
Pa first 254 Pa last 253.5 P.A. Now (θ) 253.5°
Sep first 2.0 Sep last 2.01 Sep. Now (ρ) 2.01"
Mag pri 10.89 Mag sec 11.10 delta mag (ΔM) 0.21 Spectral class
Pri motion ra +006 Sec motion ra
Pri motion dec +000 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3170-01524-1 Gaia DR2 2064514264347318144 ADS 14178
 
 
WDS 20419+3956 SEI 1221 : 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
20419+3956 SEI1221 1896 1 254 2.0 10.89 11.10 204153.07+395602.4

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

 
 
WDS 20419+3956 SEI 1221 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20419+3956 SEI 1221 : MEASURES
 
 
No records found.

 
 
WDS 20419+3956 : VIRTUAL EYEPIECE
 
 

20419+3956 SEI1221A mag 10.89 20419+3956 SEI1221B sep 1.6 P.A. 248.90 mag 11.1 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 20419+3956 : ALADIN DSS IMAGE @ 20h 41m 53.07s +39° 56' 02.4"
 
 
 
 
WDS 20419+3956 SEI 1221 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20419+3956 SEI1221 distance=1' 20419+3953 SEI1222 distance=3' 20416+3950 COU2290 distance=8' 20427+3947 TDT2491 distance=13' 20434+4001 BRT2272 distance=19' 20420+4015 A 1433 distance=19' 20402+3953 MLB 885 distance=20' 20426+4013 TDT2488 distance=20' 20405+4010 TOB 196BC distance=22' 20405+4010 SEI1214AB distance=23' 20434+3943 TDT2497 distance=23' 20395+4002 BRT2269 distance=29' 20432+4026 COU2421 distance=34' 20436+4024 DAM1256 distance=35' 20438+3928 SEI1230 distance=37' 20441+3927 ES 1981 distance=39' 20392+4017 ES 1980 distance=40' 20453+4010 COU2293 distance=41' 20440+4030 SLN 85 distance=43' 20444+4027 TDT2510 distance=43' 20435+3919 SEI1229 distance=43' 20429+4036 MLB 24 distance=43' 20454+4011 TDT2518 distance=43' 20422+4041 MLB 23 distance=45' 20382+3938 MLB 778 distance=46' 20456+4014 TDT2519 distance=47' 20445+3921 HJ 1572 distance=47' 20379+4005 ES 1978 distance=47' 20396+4035 STT 410AB distance=48' 20396+4035 STT 410AB,C distance=48' 20396+4035 STT 410AB,D distance=48' 20387+4024 ES 1979 distance=49' 20454+4023 OSO 133AB distance=49' 20454+4023 OSO 133AC distance=49' 20454+4023 OSO 133AD distance=49' 20454+4023 OSO 133AE distance=49' 20379+4014 SEI1199 distance=50' 20382+4022 TDT2439 distance=51' 20374+3952 TDT2430 distance=52' 20410+3905 MCA 62Aa,Ab distance=53' 20410+3905 HJ 612AB distance=53' 20446+4040 HJ 1573 distance=54' 20396+3908 SEI1210 distance=55' 20446+4041 HJ 1574 distance=55' 20392+3910 MLB 954AB distance=55' 20392+3910 MLB 954AC distance=55' 20413+4051 COU2419 distance=57' 20466+4020 ES 1982 distance=59' 20457+3917 SEI1241 distance=59' 20449+3908 SEI1236 distance=60' 20367+4021 NML 2 distance=65' 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 20419+3956 SEI1221 254 2.0 1
Show 20419+3953 SEI1222 77 25.4 3
Show 20416+3950 COU2290 43 0.5 8
Show 20427+3947 TDT2491 275 1.4 13
Show 20434+4001 BRT2272 285 5.1 19
Show 20420+4015 A 1433 24 0.8 19
Show 20402+3953 MLB 885 72 1.7 20
Show 20426+4013 TDT2488 138 0.5 20
Show 20405+4010 TOB 196 BC 32 23.4 22
Show 20405+4010 SEI1214 AB 78 20.3 23
Show 20434+3943 TDT2497 317 0.5 23
Show 20395+4002 BRT2269 199 5.0 29
Show 20432+4026 COU2421 110 0.3 34
Show 20436+4024 DAM1256 106 9.6 35
Show 20438+3928 SEI1230 124 25.3 37
Show 20441+3927 ES 1981 310 4.5 39
Show 20392+4017 ES 1980 60 8.3 40
Show 20453+4010 COU2293 201 1.1 41
Show 20440+4030 SLN 85 203 9.1 43
Show 20444+4027 TDT2510 157 0.9 43
Show 20435+3919 SEI1229 156 19.6 43
Show 20429+4036 MLB 24 175 5.9 43
Show 20454+4011 TDT2518 203 0.7 43
Show 20422+4041 MLB 23 41 7.6 45
Show 20382+3938 MLB 778 285 8.3 46
Show 20456+4014 TDT2519 347 1.3 47
Show 20445+3921 HJ 1572 280 15.6 47
Show 20379+4005 ES 1978 136 2.9 47
Show 20396+4035 STT 410 AB 3 0.9 48
Show 20396+4035 STT 410 AB,C 70 68.6 48
Show 20396+4035 STT 410 AB,D 327 106.6 48
Show 20387+4024 ES 1979 303 7.6 49
Show 20454+4023 OSO 133 AB 114 12.0 49
Show 20454+4023 OSO 133 AC 236 11.7 49
Show 20454+4023 OSO 133 AD 67 21.8 49
Show 20454+4023 OSO 133 AE 8 22.4 49
Show 20379+4014 SEI1199 99 9.3 50
Show 20382+4022 TDT2439 22 0.4 51
Show 20374+3952 TDT2430 172 1.3 52
Show 20410+3905 MCA 62 Aa,Ab 276 0.1 53
Show 20410+3905 HJ 612 AB 9 48.9 53
Show 20446+4040 HJ 1573 274 9.8 54
Show 20396+3908 SEI1210 303 12.0 55
Show 20446+4041 HJ 1574 278 7.4 55
Show 20392+3910 MLB 954 AB 57 3.1 55
Show 20392+3910 MLB 954 AC 284 109.5 55
Show 20413+4051 COU2419 69 0.8 57
Show 20466+4020 ES 1982 301 3.9 59
Show 20457+3917 SEI1241 309 7.1 59
Show 20449+3908 SEI1236 318 27.4 60
Show 20367+4021 NML 2 350 0.6 65

 
 
WDS 20419+3956 : COMPONENTS
 
 
  A
B pa=248.9°
sep=1.58"
 
 
20419+3956 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204153.07+395602.4 Mag 10.89 PmRA 6.00
PmDE 0.0 Tycho2 3170-01524-1 ADS 14178
Tycho2
Tycho2 3170-01524-1 Pflag RAmdeg 310.47111719 DEmdeg 39.93401878
PmRA 6.0 PmDE 0.0 E RAmdeg 28 E DEmdeg 25
E pmRA 1.6 E pmDE 1.6 EpRAm 1986.68 EpDEm 1986.65
Num 5 Q RAmdeg 0.5 Q DEmdeg 0.9 Q pmRA 0.6
Q pmDE 0.9 BTmag 11.287 E BTmag 0.050 VTmag 10.885
E VTmag 0.054 Prox 999 TYC T HIP
CCDM RAdeg 310.47109778 DEdeg 39.93401222 EpRA 1990 1.60
EpDE 1990 1.68 E RAdeg 33.1 E DEdeg 30.9 Posflg
Corr 0.0
CCDM
Ccdm 20419+3956 RComp Comp A Note1
Note2 Discov num DRAs -0.94 DDEs 3.0
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number +39 4281 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A14178 M ADS BDS N IDS IDS 20382N3935A
HIC
 
 
20419+3956 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204152.94+395601.8 Mag 11.1 Calc delta mag 0.21
Calc coord yes
CCDM
Ccdm 20419+3956 RComp Comp B Note1
Note2 Discov num SEI1221 DRAs DDEs
R dRAs Year 1896 Theta 254 Rho 2.0
Obs 1 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14178 M ADS BDS N IDS IDS 20382N3935B
HIC