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Current system
20519+3911
SEI 1283


Nearby doubles
12' : 20510+3915
SEI1279AB

18' : 20514+3927
TDT2581

18' : 20528+3925
SEI1290

20' : 20509+3855
SEI1278

24' : 20530+3851
ALI 954

27' : 20498+3900
MLB 983

32' : 20546+3914
MLB 780AB

33' : 20531+3940
SEI1292

33' : 20493+3923
SEI1263AB

33' : 20515+3944
DAM 317AB

34' : 20511+3837
SEI1281

35' : 20546+3900
SEI1308

35' : 20514+3945
MLB 779AB

35' : 20544+3929
BKO 469

36' : 20549+3913
MLB 781

36' : 20489+3919
TDT2558

37' : 20550+3914
ES 1983

37' : 20490+3925
TDT2560

39' : 20547+3929
GRV 395

39' : 20552+3915
MLB 782AB

40' : 20545+3937
BRT2281

41' : 20554+3907
TDT2629

42' : 20550+3929
SEI1311

42' : 20554+3910
ES 1984

42' : 20549+3933
BKO 471

43' : 20555+3909
MLB 887



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

20519+3911 SEI 1283

 
 
20h 51m 52.98s +39° 10' 25.0" P.A. 1.00 sep 22.8 mag 12.05,12.60
 
 
Coord 2000 20519+3911 Discov num SEI1283 Comp Coord arcsec 2000 20 51 52.98 +39 10 25.0
Date first 1896 Date last 2015 Obs 12
Pa first 356 Pa last 0.6 P.A. Now (θ) 0.6°
Sep first 22.5 Sep last 22.751 Sep. Now (ρ) 22.751"
Mag pri 12.05 Mag sec 12.60 delta mag (ΔM) 0.55 Spectral class
Pri motion ra +000 Sec motion ra -004
Pri motion dec -002 Sec motion dec +000
Notes
rPM=1.118
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3167-02351-1 Gaia DR2 1872787160477990272
 
 
WDS 20519+3911 SEI 1283 : 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
20519+3911 SEI1283 1998 6 1 22.7 11.85 12.60 D 205152.98+391025.0
20519+3911 SEI1283 2002 7 1 22.7 11.85 12.60 D 205152.98+391025.0
20519+3911 SEI1283 2010 8 1 23.0 12.05 12.60 205152.98+391025.0
20519+3911 SEI1283 2015 9 1 22.8 12.05 12.60 205152.98+391025.0

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

 
 
WDS 20519+3911 SEI 1283 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20519+3911 SEI 1283 : MEASURES
 
 
No records found.

 
 
WDS 20519+3911 : VIRTUAL EYEPIECE
 
 

20519+3911 SEI1283A mag 12.05 20519+3911 SEI1283B sep 22.8 P.A. 0.50 mag 12.6 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20519+3911 : ALADIN DSS IMAGE @ 20h 51m 52.98s +39° 10' 25.0"
 
 
 
 
WDS 20519+3911 SEI 1283 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20519+3911 SEI1283 distance=1' 20510+3915 SEI1279BC distance=12' 20510+3915 SEI1279AB distance=12' 20514+3927 TDT2581 distance=18' 20528+3925 SEI1290 distance=18' 20509+3855 SEI1278 distance=20' 20530+3851 ALI 954 distance=24' 20498+3900 MLB 983 distance=27' 20546+3914 MLB 780AB distance=32' 20493+3923 ALI 952BC distance=33' 20493+3923 DAM 26BD distance=33' 20546+3914 BKO 470BC distance=33' 20531+3940 SEI1292 distance=33' 20493+3923 SEI1263AB distance=33' 20515+3944 DAM 317AB distance=33' 20515+3944 DAM 317AC distance=33' 20511+3837 SEI1281 distance=34' 20546+3900 SEI1308 distance=35' 20514+3945 MLB 779AB distance=35' 20514+3945 DAM 316AC distance=35' 20514+3945 DAM 316AD distance=35' 20544+3929 BKO 469 distance=35' 20549+3913 MLB 781 distance=36' 20489+3919 TDT2558 distance=36' 20550+3914 ES 1983 distance=37' 20490+3925 TDT2560 distance=37' 20547+3929 GRV 395 distance=39' 20552+3915 MLB 782AB distance=39' 20552+3915 SEI1313AC distance=39' 20545+3937 BRT2281 distance=40' 20554+3907 TDT2629 distance=41' 20550+3929 SEI1311 distance=42' 20554+3910 ES 1984 distance=42' 20549+3933 BKO 471 distance=42' 20555+3909 MLB 887 distance=43' 20556+3911 MLB 784 distance=44' 20556+3912 SEI1319 distance=44' 20556+3901 HJ 1596 distance=45' 20498+3833 HJ 1582AB distance=45' 20498+3833 HJ 1582AC distance=45' 20556+3856 MLB 785 distance=46' 20480+3917 A 1434AB distance=46' 20480+3917 A 1434AB,C distance=46' 20558+3905 MLB 956 distance=47' 20555+3932 BKO 472 distance=47' 20559+3922 MLB 957 distance=49' 20551+3941 MLB 886 distance=49' 20559+3921 MLB 958 distance=49' 20518+3820 ES 2123AB distance=50' 20518+3820 ES 2123AC distance=50' 20490+3947 STF2731AB distance=50' 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 20519+3911 SEI1283 1 22.8 1
Show 20510+3915 SEI1279 BC 189 7.3 12
Show 20510+3915 SEI1279 AB 147 12.9 12
Show 20514+3927 TDT2581 146 0.8 18
Show 20528+3925 SEI1290 222 14.2 18
Show 20509+3855 SEI1278 135 25.5 20
Show 20530+3851 ALI 954 61 8.9 24
Show 20498+3900 MLB 983 191 3.8 27
Show 20546+3914 MLB 780 AB 64 9.6 32
Show 20493+3923 ALI 952 BC 50 4.9 33
Show 20493+3923 DAM 26 BD 53 9.5 33
Show 20546+3914 BKO 470 BC 280 2.9 33
Show 20531+3940 SEI1292 205 24.8 33
Show 20493+3923 SEI1263 AB 98 23.6 33
Show 20515+3944 DAM 317 AB 95 14.8 33
Show 20515+3944 DAM 317 AC 357 15.2 33
Show 20511+3837 SEI1281 102 8.6 34
Show 20546+3900 SEI1308 93 6.0 35
Show 20514+3945 MLB 779 AB 124 9.0 35
Show 20514+3945 DAM 316 AC 79 6.3 35
Show 20514+3945 DAM 316 AD 304 13.8 35
Show 20544+3929 BKO 469 328 4.7 35
Show 20549+3913 MLB 781 296 8.6 36
Show 20489+3919 TDT2558 191 1.1 36
Show 20550+3914 ES 1983 266 6.1 37
Show 20490+3925 TDT2560 38 1.1 37
Show 20547+3929 GRV 395 211 59.7 39
Show 20552+3915 MLB 782 AB 344 10.3 39
Show 20552+3915 SEI1313 AC 260 26.9 39
Show 20545+3937 BRT2281 73 3.6 40
Show 20554+3907 TDT2629 163 2.5 41
Show 20550+3929 SEI1311 247 8.8 42
Show 20554+3910 ES 1984 115 3.5 42
Show 20549+3933 BKO 471 171 5.5 42
Show 20555+3909 MLB 887 246 10.4 43
Show 20556+3911 MLB 784 25 4.6 44
Show 20556+3912 SEI1319 70 32.1 44
Show 20556+3901 HJ 1596 295 18.2 45
Show 20498+3833 HJ 1582 AB 45 17.4 45
Show 20498+3833 HJ 1582 AC 327 28.7 45
Show 20556+3856 MLB 785 5 6.4 46
Show 20480+3917 A 1434 AB 178 0.0 46
Show 20480+3917 A 1434 AB,C 256 2.5 46
Show 20558+3905 MLB 956 115 5.0 47
Show 20555+3932 BKO 472 67 5.7 47
Show 20559+3922 MLB 957 134 2.8 49
Show 20551+3941 MLB 886 141 7.0 49
Show 20559+3921 MLB 958 169 5.3 49
Show 20518+3820 ES 2123 AB 102 5.2 50
Show 20518+3820 ES 2123 AC 327 37.4 50
Show 20490+3947 STF2731 AB 86 4.1 50

 
 
WDS 20519+3911 : COMPONENTS
 
 
  A
B pa=0.5°
sep=22.75"
 
 
20519+3911 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 205152.98+391025.0 Mag 12.05 PmRA 0.00
PmDE -2.0 Tycho2 3167-02351-1
Tycho2
Tycho2 3167-02351-1 Pflag RAmdeg 312.97076301 DEmdeg 39.17360482
PmRA 0.5 PmDE -1.2 E RAmdeg 68 E DEmdeg 62
E pmRA 2.1 E pmDE 2.0 EpRAm 1976.94 EpDEm 1977.62
Num 5 Q RAmdeg 0.6 Q DEmdeg 1.4 Q pmRA 0.7
Q pmDE 1.4 BTmag 12.590 E BTmag 0.183 VTmag 11.854
E VTmag 0.139 Prox 225 TYC HIP
CCDM RAdeg 312.97075917 DEdeg 39.17360389 EpRA 1990 1.70
EpDE 1990 1.79 E RAdeg 75.0 E DEdeg 67.9 Posflg
Corr 0.0
 
 
20519+3911 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205153.00+391047.7 Mag 12.6 PmRA -4.00
PmDE 0.0 Tycho2 3167-01976-1 Calc delta mag 0.55 Calc coord yes
Tycho2
Tycho2 3167-01976-1 Pflag RAmdeg 312.97097736 DEmdeg 39.17987751
PmRA 18.3 PmDE 3.7 E RAmdeg 118 E DEmdeg 107
E pmRA 3.3 E pmDE 3.0 EpRAm 1971.87 EpDEm 1971.22
Num 3 Q RAmdeg 4.9 Q DEmdeg 0.6 Q pmRA 4.9
Q pmDE 0.5 BTmag 13.004 E BTmag 0.233 VTmag 12.601
E VTmag 0.196 Prox 225 TYC HIP
CCDM RAdeg 312.97089667 DEdeg 39.17986694 EpRA 1990 1.73
EpDE 1990 1.77 E RAdeg 135.9 E DEdeg 124.0 Posflg
Corr 0.0