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Doubles in session


Current system
20431+3645
SEI 1227


Nearby doubles
13' : 20423+3637
SEI1224

19' : 20416+3637
SEI1218

21' : 20415+3635
SEI1216

23' : 20414+3644
SEI1215

24' : 20450+3651
ES 2513

28' : 20410+3658
TDT2469

29' : 20417+3622
SEI1217

30' : 20454+3651
SEI1238

31' : 20419+3711
SEI1220

33' : 20457+3647
AG 265

33' : 20444+3617
GII 53

36' : 20458+3658
CRB 6

36' : 20447+3714
SEI1233

37' : 20455+3706
FIO 1

37' : 20435+3609
ES 2195AB

37' : 20461+3653
ES 2514

40' : 20463+3646
ES 2515AB

40' : 20397+3644
SEI1209

42' : 20462+3628
TDT2528

43' : 20399+3703
ES 248AB

43' : 20422+3726
SEI1223

43' : 20397+3658
A 1432

44' : 20437+3727
COU2291

45' : 20423+3601
TDT2481

45' : 20468+3648
STJ 73

45' : 20458+3715
TDT2522



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

20431+3645 SEI 1227

 
 
20h 43m 02.60s +36° 44' 27.4" P.A. 168.00 sep 15.0 mag 10.92,10.48
 
 
Coord 2000 20431+3645 Discov num SEI1227 Comp Coord arcsec 2000 20 43 02.60 +36 44 27.4
Date first 1896 Date last 2015 Obs 21
Pa first 149 Pa last 168.2 P.A. Now (θ) 168.2°
Sep first 20.4 Sep last 14.984 Sep. Now (ρ) 14.984"
Mag pri 10.92 Mag sec 10.48 delta mag (ΔM) 0.44 Spectral class
Pri motion ra +056 Sec motion ra -006
Pri motion dec -020 Sec motion dec +001
Notes N L (See Notes, Linear solution)
rPM=1.101
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2699-01182-1 Gaia DR2 1870656036375681664
 
 
WDS 20431+3645 SEI 1227 : NOTES
 
 
discov_num notes refcode
SEI1227 B is BD+36@4205.
 
 
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
20431+3645 SEI1227 2007 7 167 15.2 10.92 10.48 NLD 204302.60+364427.4
20431+3645 SEI1227 2008 8 167 15.3 10.92 10.48 NLD 204302.60+364427.4
20431+3645 SEI1227 2010 9 167 14.9 10.92 10.48 NLD 204302.60+364427.4
20431+3645 SEI1227 2015 12 168 15.0 10.92 10.48 NL 204302.60+364427.4

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

 
 
WDS 20431+3645 SEI 1227 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20431+3645 SEI 1227 : MEASURES
 
 
No records found.

 
 
WDS 20431+3645 : VIRTUAL EYEPIECE
 
 

20431+3645 SEI1227A mag 10.92 20431+3645 SEI1227B sep 14.9 P.A. 170.50 mag 10.48 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 20431+3645 : ALADIN DSS IMAGE @ 20h 43m 02.60s +36° 44' 27.4"
 
 
 
 
WDS 20431+3645 SEI 1227 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20431+3645 SEI1227 distance=0' 20423+3637 SEI1224 distance=13' 20416+3637 SEI1218 distance=19' 20415+3635 SEI1216 distance=21' 20414+3644 SEI1215 distance=23' 20450+3651 ES 2513 distance=24' 20410+3658 TDT2469 distance=28' 20417+3622 SEI1217 distance=29' 20454+3651 SEI1238 distance=30' 20419+3711 SEI1220 distance=31' 20457+3647 AG 265 distance=33' 20444+3617 GII 53 distance=33' 20458+3658 CRB 6 distance=36' 20447+3714 SEI1233 distance=36' 20455+3706 FIO 1 distance=37' 20435+3609 ES 2195BC distance=37' 20435+3609 ES 2195AB distance=37' 20461+3653 ES 2514 distance=37' 20463+3646 COU2220Aa,Ab distance=40' 20463+3646 ES 2515AB distance=40' 20397+3644 SEI1209 distance=40' 20462+3628 TDT2528 distance=42' 20399+3703 ES 248AB distance=43' 20399+3703 ES 248AC distance=43' 20422+3726 SEI1223 distance=43' 20397+3658 A 1432 distance=43' 20437+3727 COU2291 distance=44' 20423+3601 TDT2481 distance=45' 20468+3648 STJ 73 distance=45' 20458+3715 TDT2522 distance=45' 20396+3710 ES 2194 distance=49' 20430+3555 HJ 1568 distance=50' 20450+3600 ALI 204 distance=51' 20406+3603 SEI1213 distance=51' 20390+3702 COU2219 distance=52' 20418+3553 HJ 1560AB distance=54' 20418+3553 HJ 1560AC distance=54' 20391+3619 SEI1206 distance=55' 20474+3629 MCA 63Aa,Ab distance=55' 20474+3629 STT 413AB distance=55' 20474+3629 S 765AC distance=55' 20474+3629 FYM 126AF distance=55' 20474+3629 FYM 126CD distance=57' 20474+3629 FYM 126CE distance=57' 20460+3601 SEI1242 distance=57' 20391+3717 SEI1207 distance=58' 20447+3739 SEI1232 distance=58' 20460+3554 TDT2525 distance=63' 20432+3749 ES 2122AB distance=65' 20432+3749 FYM 323AC distance=65' 20401+3551 SEI1211 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 20431+3645 SEI1227 168 15.0
Show 20423+3637 SEI1224 161 25.2 13
Show 20416+3637 SEI1218 226 12.8 19
Show 20415+3635 SEI1216 117 11.8 21
Show 20414+3644 SEI1215 135 28.8 23
Show 20450+3651 ES 2513 275 6.4 24
Show 20410+3658 TDT2469 353 2.9 28
Show 20417+3622 SEI1217 245 15.1 29
Show 20454+3651 SEI1238 123 8.1 30
Show 20419+3711 SEI1220 161 13.0 31
Show 20457+3647 AG 265 207 6.8 33
Show 20444+3617 GII 53 358 0.3 33
Show 20458+3658 CRB 6 154 10.9 36
Show 20447+3714 SEI1233 73 5.3 36
Show 20455+3706 FIO 1 319 4.9 37
Show 20435+3609 ES 2195 BC 91 1.8 37
Show 20435+3609 ES 2195 AB 4 20.7 37
Show 20461+3653 ES 2514 100 2.9 37
Show 20463+3646 COU2220 Aa,Ab 299 0.7 40
Show 20463+3646 ES 2515 AB 175 6.8 40
Show 20397+3644 SEI1209 15 21.4 40
Show 20462+3628 TDT2528 4 1.9 42
Show 20399+3703 ES 248 AB 3 4.3 43
Show 20399+3703 ES 248 AC 66 10.6 43
Show 20422+3726 SEI1223 142 10.3 43
Show 20397+3658 A 1432 117 0.4 43
Show 20437+3727 COU2291 228 1.0 44
Show 20423+3601 TDT2481 43 0.7 45
Show 20468+3648 STJ 73 231 0.9 45
Show 20458+3715 TDT2522 89 0.5 45
Show 20396+3710 ES 2194 289 7.2 49
Show 20430+3555 HJ 1568 44 11.2 50
Show 20450+3600 ALI 204 307 11.5 51
Show 20406+3603 SEI1213 243 29.3 51
Show 20390+3702 COU2219 43 0.9 52
Show 20418+3553 HJ 1560 AB 248 12.8 54
Show 20418+3553 HJ 1560 AC 74 24.3 54
Show 20391+3619 SEI1206 149 26.6 55
Show 20474+3629 MCA 63 Aa,Ab 46 0.1 55
Show 20474+3629 STT 413 AB 1 0.9 55
Show 20474+3629 S 765 AC 106 82.8 55
Show 20474+3629 FYM 126 AF 119 52.0 55
Show 20474+3629 FYM 126 CD 112 9.4 57
Show 20474+3629 FYM 126 CE 207 40.1 57
Show 20460+3601 SEI1242 214 23.6 57
Show 20391+3717 SEI1207 121 27.0 58
Show 20447+3739 SEI1232 240 28.9 58
Show 20460+3554 TDT2525 70 0.6 63
Show 20432+3749 ES 2122 AB 71 5.4 65
Show 20432+3749 FYM 323 AC 142 20.4 65
Show 20401+3551 SEI1211 149 20.4 65

 
 
WDS 20431+3645 : COMPONENTS
 
 
  A
B pa=170.5°
sep=14.87"
 
 
20431+3645 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 204302.60+364427.4 Mag 10.92 PmRA 56.00
PmDE -20.0 Tycho2 2699-01182-1
Tycho2
Tycho2 2699-01182-1 Pflag RAmdeg 310.76084435 DEmdeg 36.74095603
PmRA 56.7 PmDE -16.8 E RAmdeg 30 E DEmdeg 35
E pmRA 2.2 E pmDE 2.1 EpRAm 1986.18 EpDEm 1987.56
Num 5 Q RAmdeg 0.4 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 11.624 E BTmag 0.063 VTmag 10.916
E VTmag 0.059 Prox 159 TYC T HIP
CCDM RAdeg 310.76067389 DEdeg 36.74099667 EpRA 1990 1.61
EpDE 1990 1.74 E RAdeg 41.4 E DEdeg 36.7 Posflg
Corr 0.1
 
 
20431+3645 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 204302.80+364412.7 Mag 10.48 PmRA -6.00
PmDE 1.0 Tycho2 2699-00876-1 Calc delta mag 0.44 Calc coord yes
Tycho2
Tycho2 2699-00876-1 Pflag RAmdeg 310.76223673 DEmdeg 36.73678541
PmRA -7.0 PmDE 4.5 E RAmdeg 31 E DEmdeg 28
E pmRA 2.2 E pmDE 2.1 EpRAm 1988.65 EpDEm 1989.01
Num 5 Q RAmdeg 0.5 Q DEmdeg 1.2 Q pmRA 0.5
Q pmDE 1.1 BTmag 11.592 E BTmag 0.061 VTmag 10.477
E VTmag 0.038 Prox 159 TYC T HIP
CCDM RAdeg 310.76225722 DEdeg 36.73677250 EpRA 1990 1.61
EpDE 1990 1.70 E RAdeg 32.1 E DEdeg 29.0 Posflg
Corr 0.1