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Current system
20046+3639
SEI 840


Nearby doubles
2' : 20046+3641
A 1413

5' : 20049+3641
SEI 842

13' : 20035+3639
TDT1940

18' : 20037+3626
SEI 830

21' : 20063+3642
SEI 875

26' : 20046+3614
SEI 839

28' : 20042+3707
ALI 403

29' : 20050+3707
COU2212

30' : 20068+3628
KPP 804

30' : 20030+3701
COU2211

31' : 20023+3625
COU2210

33' : 20070+3651
SEI 889

35' : 20057+3711
SEI 850

36' : 20062+3708
SEI 874

38' : 20060+3606
SEI 864

38' : 20058+3605
SEI 853

38' : 20024+3706
SEI 810

39' : 20076+3627
SEI 898AB

39' : 20065+3609
SEI 880AB

39' : 20068+3611
SEI 884AB

40' : 20072+3616
SEI 891AB

40' : 20060+3714
SEI 866AB

40' : 20035+3601
STF2624AB

42' : 20075+3618
TOB 167

42' : 20067+3607
SEI 883AB

42' : 20017+3703
GRV 306



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

20046+3639 SEI 840

 
 
20h 04m 33.09s +36° 39' 02.0" P.A. 69.00 sep 13.6 mag 11.34,12.40 Sp G0V
 
 
Coord 2000 20046+3639 Discov num SEI 840 Comp Coord arcsec 2000 20 04 33.09 +36 39 02.0
Date first 1896 Date last 2015 Obs 10
Pa first 74 Pa last 69.3 P.A. Now (θ) 69.3°
Sep first 12.6 Sep last 13.632 Sep. Now (ρ) 13.632"
Mag pri 11.34 Mag sec 12.40 delta mag (ΔM) 1.06 Spectral class G0V (yellow)
Pri motion ra -002 Sec motion ra -003
Pri motion dec -010 Sec motion dec +002
Notes
rPM=1.181
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2682-00698-1 Gaia DR2 2059948370556325760
 
 
WDS 20046+3639 SEI 840 : 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
20046+3639 SEI 840 1998 3 70 13.6 11.34 12.40 D 200433.09+363902.0
20046+3639 SEI 840 2002 4 70 13.6 11.34 12.40 D 200433.09+363902.0
20046+3639 SEI 840 2010 5 70 13.7 11.34 12.40 G0V 200433.09+363902.0
20046+3639 SEI 840 2015 6 69 13.6 11.34 12.40 G0V 200433.09+363902.0

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

 
 
WDS 20046+3639 SEI 840 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20046+3639 SEI 840 : MEASURES
 
 
No records found.

 
 
WDS 20046+3639 : VIRTUAL EYEPIECE
 
 

20046+3639 SEI 840A mag 11.34 Sp G0V 20046+3639 SEI 840B sep 11.3 P.A. 64.80 mag 12.4 virtual eyepiece
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Radius:
Components only
 
 
WDS 20046+3639 : ALADIN DSS IMAGE @ 20h 04m 33.09s +36° 39' 02.0"
 
 
 
 
WDS 20046+3639 SEI 840 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20046+3639 SEI 840 distance=0' 20046+3641 A 1413 distance=2' 20049+3641 SEI 842 distance=5' 20035+3639 TDT1940 distance=13' 20037+3626 SEI 830 distance=18' 20063+3642 SEI 875 distance=21' 20046+3614 SEI 839 distance=26' 20042+3707 ALI 403 distance=28' 20050+3707 COU2212 distance=29' 20068+3628 KPP 804 distance=30' 20030+3701 COU2211 distance=30' 20023+3625 COU2210 distance=31' 20070+3651 SEI 889 distance=33' 20057+3711 SEI 850 distance=35' 20062+3708 SEI 874 distance=36' 20060+3606 SEI 864 distance=38' 20072+3616 BKO 89EF distance=38' 20058+3605 SEI 853 distance=38' 20024+3706 SEI 810 distance=38' 20076+3627 SEI 898AB distance=39' 20065+3609 BKO 85BD distance=39' 20076+3627 SEI 899BC distance=39' 20065+3609 SEI 880AB distance=39' 20065+3609 BKO 85AC distance=39' 20068+3611 BKO 87CD distance=39' 20068+3611 SEI 884AB distance=39' 20068+3611 BKO 87AC distance=39' 20072+3616 BKO 89CD distance=39' 20072+3616 SEI 891AB distance=40' 20072+3616 BKO 89AC distance=40' 20072+3616 BKO 89AE distance=40' 20060+3714 SEI 866AB distance=40' 20060+3714 TOB 165AD distance=40' 20060+3714 TOB 165BC distance=40' 20035+3601 STF2624BC distance=40' 20035+3601 MCA 59Aa,Ab distance=40' 20035+3601 STF2624AB distance=40' 20035+3601 STF2624AD distance=40' 20035+3601 STF2624AC distance=40' 20060+3714 TOB 165CD distance=40' 20075+3618 TOB 167 distance=42' 20067+3607 SEI 883AB distance=42' 20067+3607 BKO 86AC distance=42' 20017+3703 GRV 306 distance=42' 20075+3619 SEI 897 distance=42' 20058+3556 ES 86BC distance=45' 20058+3556 ES 86AB distance=45' 20058+3556 ES 86AD distance=45' 20058+3556 ES 86AE distance=45' 20058+3556 ABH 129AF distance=45' 20058+3556 ABH 129AG 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 20046+3639 SEI 840 69 13.6
Show 20046+3641 A 1413 139 2.4 2
Show 20049+3641 SEI 842 243 22.7 5
Show 20035+3639 TDT1940 304 0.8 13
Show 20037+3626 SEI 830 29.7 18
Show 20063+3642 SEI 875 116 17.1 21
Show 20046+3614 SEI 839 140 15.8 26
Show 20042+3707 ALI 403 130 13.7 28
Show 20050+3707 COU2212 198 0.5 29
Show 20068+3628 KPP 804 42 6.9 30
Show 20030+3701 COU2211 257 1.0 30
Show 20023+3625 COU2210 292 0.2 31
Show 20070+3651 SEI 889 209 9.0 33
Show 20057+3711 SEI 850 339 25.8 35
Show 20062+3708 SEI 874 347 25.5 36
Show 20060+3606 SEI 864 61 10.0 38
Show 20072+3616 BKO 89 EF 19 7.6 38
Show 20058+3605 SEI 853 55 7.5 38
Show 20024+3706 SEI 810 157 20.2 38
Show 20076+3627 SEI 898 AB 165 29.1 39
Show 20065+3609 BKO 85 BD 271 28.8 39
Show 20076+3627 SEI 899 BC 111 23.1 39
Show 20065+3609 SEI 880 AB 298 20.0 39
Show 20065+3609 BKO 85 AC 255 9.4 39
Show 20068+3611 BKO 87 CD 298 10.3 39
Show 20068+3611 SEI 884 AB 351 24.3 39
Show 20068+3611 BKO 87 AC 226 41.5 39
Show 20072+3616 BKO 89 CD 192 9.7 39
Show 20072+3616 SEI 891 AB 171 18.7 40
Show 20072+3616 BKO 89 AC 349 29.1 40
Show 20072+3616 BKO 89 AE 282 120.8 40
Show 20060+3714 SEI 866 AB 326 22.7 40
Show 20060+3714 TOB 165 AD 42 42.2 40
Show 20060+3714 TOB 165 BC 33 22.3 40
Show 20035+3601 STF2624 BC 328 44.7 40
Show 20035+3601 MCA 59 Aa,Ab 340 0.1 40
Show 20035+3601 STF2624 AB 174 1.9 40
Show 20035+3601 STF2624 AD 171 29.0 40
Show 20035+3601 STF2624 AC 327 42.3 40
Show 20060+3714 TOB 165 CD 102 29.6 40
Show 20075+3618 TOB 167 133 12.8 42
Show 20067+3607 SEI 883 AB 137 26.1 42
Show 20067+3607 BKO 86 AC 97 14.9 42
Show 20017+3703 GRV 306 213 29.1 42
Show 20075+3619 SEI 897 287 18.2 42
Show 20058+3556 ES 86 BC 168 9.3 45
Show 20058+3556 ES 86 AB 299 14.5 45
Show 20058+3556 ES 86 AD 60 13.1 45
Show 20058+3556 ES 86 AE 327 18.5 45
Show 20058+3556 ABH 129 AF 93 89.4 45
Show 20058+3556 ABH 129 AG 167 67.7 45

 
 
WDS 20046+3639 : COMPONENTS
 
 
  A
B pa=64.8°
sep=11.31"
 
 
20046+3639 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200433.09+363902.0 Mag 11.34 Spectral class G0V (yellow)
PmRA -2.00 PmDE -10.0 Tycho2 2682-00698-1
Tycho2
Tycho2 2682-00698-1 Pflag RAmdeg 301.13787186 DEmdeg 36.65057702
PmRA -1.1 PmDE -11.0 E RAmdeg 58 E DEmdeg 51
E pmRA 2.3 E pmDE 2.2 EpRAm 1981.62 EpDEm 1983.21
Num 5 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.4
Q pmDE 1.2 BTmag 12.042 E BTmag 0.115 VTmag 11.335
E VTmag 0.088 Prox 999 TYC HIP
CCDM RAdeg 301.13787833 DEdeg 36.65060361 EpRA 1990 1.59
EpDE 1990 1.72 E RAdeg 62.9 E DEdeg 54.3 Posflg
Corr 0.0
 
 
20046+3639 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200433.94+363906.8 Mag 12.4 PmRA -3.00
PmDE 2.0 Calc delta mag 1.06 Calc coord yes