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Doubles in session


Current system
20505+3635
SEI 1271 AB


Nearby doubles
8' : 20502+3642
SEI1270

8' : 20500+3640
TOB 199

8' : 20508+3641
SEI1276

11' : 20503+3645
TDT2568

18' : 20491+3640
SEI1260

19' : 20512+3650
SEI1280

20' : 20506+3615
SEI1274

20' : 20503+3615
TDT2569

23' : 20521+3645
ES 250

24' : 20490+3619
COU1811

30' : 20521+3657
SEI1285

31' : 20528+3646
COU2221

33' : 20526+3655
A 1435

35' : 20533+3639
SEI1293

36' : 20485+3608
SEI1253

38' : 20474+3629
STT 413AB

39' : 20535+3645
SEI1296

39' : 20501+3714
SEI1268AB

42' : 20531+3610
SEI1291

43' : 20510+3717
SEI1277

44' : 20506+3552
SEI1273

44' : 20538+3622
SEI1302

44' : 20528+3602
TDT2598

44' : 20515+3717
SEI1282

47' : 20468+3648
STJ 73

49' : 20538+3702
SEI1300



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

20505+3635 SEI 1271 AB

 
 
20h 50m 27.35s +36° 35' 06.6" P.A. 27.00 sep 14.9 mag 10.59,11.10
 
 
Coord 2000 20505+3635 Discov num SEI1271 Comp AB Coord arcsec 2000 20 50 27.35 +36 35 06.6
Date first 1896 Date last 2018 Obs 12
Pa first 30 Pa last 27 P.A. Now (θ) 27°
Sep first 14.4 Sep last 14.917 Sep. Now (ρ) 14.917"
Mag pri 10.59 Mag sec 11.10 delta mag (ΔM) 0.51 Spectral class
Pri motion ra -001 Sec motion ra -007
Pri motion dec -007 Sec motion dec -007
Notes
rPM=0.606
Nature of this double is uncertain.
 
 
20505+3635 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 50 27 +36 35 07 SEI 1271 AB 2018 12 27 14.9 10.59 11.10 0.51 <===
Show 20 50 27 +36 35 07 SEI 1272 AC 2018 9 185 20.4 10.59 11.60 1.01
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2699-00401-1 Gaia DR2 1870746952245899520
 
 
WDS 20505+3635 SEI 1271 AB : 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
20505+3635 SEI1271 AB 1998 5 27 14.5 10.59 11.10 D 205027.35+363506.6
20505+3635 SEI1271 AB 2002 6 27 14.5 10.59 11.10 D 205027.35+363506.6
20505+3635 SEI1271 AB 2016 7 27 14.6 10.59 11.10 205027.35+363506.6
20505+3635 SEI1271 AB 2018 12 27 14.9 10.59 11.10 205027.35+363506.6

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

 
 
WDS 20505+3635 SEI 1271 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20505+3635 SEI 1271 AB : MEASURES
 
 
No records found.

 
 
WDS 20505+3635 : VIRTUAL EYEPIECE
 
 

20505+3635 SEI1271A mag 10.59 20505+3635 SEI1271B sep 14.4 P.A. 22.30 mag 11.1 20505+3635 SEI1272C sep 20.4 P.A. 183.80 mag 11.6 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 20505+3635 : ALADIN DSS IMAGE @ 20h 50m 27.35s +36° 35' 06.6"
 
 
 
 
WDS 20505+3635 SEI 1271 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20505+3635 SEI1271AB distance=0' 20502+3642 SEI1270 distance=8' 20500+3640 TOB 199 distance=8' 20508+3641 SEI1276 distance=8' 20503+3645 TDT2568 distance=11' 20491+3640 SEI1260 distance=18' 20512+3650 SEI1280 distance=19' 20506+3615 SEI1274 distance=20' 20503+3615 TDT2569 distance=20' 20521+3645 ES 250 distance=23' 20490+3619 COU1811 distance=24' 20521+3657 SEI1285 distance=30' 20528+3646 COU2221 distance=31' 20526+3655 A 1435 distance=33' 20533+3639 SEI1293 distance=35' 20485+3608 SEI1253 distance=36' 20474+3629 FYM 126CD distance=36' 20474+3629 FYM 126CE distance=36' 20474+3629 MCA 63Aa,Ab distance=38' 20474+3629 STT 413AB distance=38' 20474+3629 S 765AC distance=38' 20474+3629 FYM 126AF distance=38' 20535+3645 SEI1296 distance=39' 20501+3714 SEI1268AB distance=39' 20501+3714 CLL 15AC distance=39' 20531+3610 SEI1291 distance=42' 20510+3717 SEI1277 distance=43' 20506+3552 SEI1273 distance=44' 20538+3622 SEI1302 distance=44' 20528+3602 TDT2598 distance=44' 20515+3717 SEI1282 distance=44' 20468+3648 STJ 73 distance=47' 20538+3702 SEI1300 distance=49' 20536+3605 SEI1297 distance=49' 20544+3625 POP 157 distance=49' 20494+3548 SEI1262 distance=49' 20544+3648 SEI1306 distance=50' 20481+3554 SEI1252 distance=50' 20513+3546 TDT2580 distance=51' 20485+3550 SEI1254 distance=51' 20520+3547 TDT2589 distance=52' 20463+3646 COU2220Aa,Ab distance=52' 20463+3646 ES 2515AB distance=52' 20462+3628 TDT2528 distance=52' 20544+3658 TDT2623 distance=53' 20524+3724 SEI1287 distance=54' 20544+3704 SEI1305 distance=55' 20522+3544 HJ 1586 distance=56' 20461+3653 ES 2514 distance=56' 20457+3647 AG 265 distance=59' 20547+3704 STT 419 distance=59' 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 20505+3635 SEI1271 AB 27 14.9
Show 20505+3635 SEI1272 AC 185 20.4
Show 20502+3642 SEI1270 211 23.1 8
Show 20500+3640 TOB 199 109 18.8 8
Show 20508+3641 SEI1276 266 22.6 8
Show 20503+3645 TDT2568 174 2.4 11
Show 20491+3640 SEI1260 42 7.5 18
Show 20512+3650 SEI1280 5 3.8 19
Show 20506+3615 SEI1274 243 33.5 20
Show 20503+3615 TDT2569 55 0.4 20
Show 20521+3645 ES 250 88 4.4 23
Show 20490+3619 COU1811 255 0.8 24
Show 20521+3657 SEI1285 301 27.6 30
Show 20528+3646 COU2221 30 0.3 31
Show 20526+3655 A 1435 6 0.5 33
Show 20533+3639 SEI1293 53 14.2 35
Show 20485+3608 SEI1253 83 24.1 36
Show 20474+3629 FYM 126 CD 112 9.4 36
Show 20474+3629 FYM 126 CE 207 40.1 36
Show 20474+3629 MCA 63 Aa,Ab 46 0.1 38
Show 20474+3629 STT 413 AB 1 0.9 38
Show 20474+3629 S 765 AC 106 82.8 38
Show 20474+3629 FYM 126 AF 119 52.0 38
Show 20535+3645 SEI1296 278 10.5 39
Show 20501+3714 SEI1268 AB 123 27.3 39
Show 20501+3714 CLL 15 AC 20 48.5 39
Show 20531+3610 SEI1291 103 9.0 42
Show 20510+3717 SEI1277 32 8.1 43
Show 20506+3552 SEI1273 159 24.1 44
Show 20538+3622 SEI1302 47 25.0 44
Show 20528+3602 TDT2598 227 0.5 44
Show 20515+3717 SEI1282 270 27.4 44
Show 20468+3648 STJ 73 231 0.9 47
Show 20538+3702 SEI1300 120 1.8 49
Show 20536+3605 SEI1297 270 18.6 49
Show 20544+3625 POP 157 224 3.0 49
Show 20494+3548 SEI1262 301 6.1 49
Show 20544+3648 SEI1306 306 17.1 50
Show 20481+3554 SEI1252 115 17.3 50
Show 20513+3546 TDT2580 151 0.7 51
Show 20485+3550 SEI1254 20 22.3 51
Show 20520+3547 TDT2589 192 0.5 52
Show 20463+3646 COU2220 Aa,Ab 299 0.7 52
Show 20463+3646 ES 2515 AB 175 6.8 52
Show 20462+3628 TDT2528 4 1.9 52
Show 20544+3658 TDT2623 36 1.0 53
Show 20524+3724 SEI1287 353 6.7 54
Show 20544+3704 SEI1305 148 23.0 55
Show 20522+3544 HJ 1586 260 16.2 56
Show 20461+3653 ES 2514 100 2.9 56
Show 20457+3647 AG 265 207 6.8 59

 
 
WDS 20505+3635 : COMPONENTS
 
 
  A B
B pa=22.3°
sep=14.36"
 
C pa=183.8°
sep=20.37"
pa=191.4°
sep=34.29"
 
 
20505+3635 A
 
 
Coord arcsec 2000 205027.35+363506.6 Mag 10.59 PmRA -1.00 PmDE -7.0
Tycho2 2699-00401-1 DM BD+36 4270
Tycho2
Tycho2 2699-00401-1 Pflag RAmdeg 312.61395707 DEmdeg 36.58518939
PmRA 0.6 PmDE -5.8 E RAmdeg 28 E DEmdeg 27
E pmRA 1.9 E pmDE 1.8 EpRAm 1986.07 EpDEm 1986.22
Num 7 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 0.9 BTmag 12.615 E BTmag 0.183 VTmag 10.586
E VTmag 0.040 Prox 989 TYC T HIP
CCDM RAdeg 312.61393806 DEdeg 36.58519667 EpRA 1990 1.68
EpDE 1990 1.75 E RAdeg 37.6 E DEdeg 35.1 Posflg
Corr 0.1
CCDM
Ccdm 20505+3635 RComp Comp A Note1
Note2 Discov num DRAs -2.65 DDEs 6.6
R dRAs 65 Year Theta Rho
Obs 3 Vmag 11.1 Sp PmNote
PmRA PmDE Dm number +36 4270 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20466N3613A
HIC
 
 
20505+3635 B
 
 
Coord arcsec 2000 205027.80+363519.9 Mag 11.1 PmRA -7.00 PmDE -7.0
Calc delta mag 0.51 Calc coord yes
CCDM
Ccdm 20505+3635 RComp Comp B Note1
Note2 Discov num SEI1271 DRAs -2.10 DDEs 19.2
R dRAs 65 Year 1896 Theta 030 Rho 14.7
Obs 2 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20466N3613B
HIC
 
 
20505+3635 C
 
 
Coord arcsec 2000 205027.24+363446.3 Mag 11.6 PmRA -8.00 PmDE -7.0
Calc delta mag 1.01 Calc coord yes
CCDM
Ccdm 20505+3635 RComp Comp C Note1
Note2 Discov num SEI1272 DRAs -2.79 DDEs -12.9
R dRAs 65 Year 1896 Theta 185 Rho 19.4
Obs 1 Vmag 12.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20466N3613C
HIC