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Doubles in session


Current system
20139+3439
SEI 1027
HD 228441


Nearby doubles
15' : 20128+3439
TDT2091

15' : 20129+3432
TDT2093

16' : 20130+3450
SEI1012

16' : 20129+3429
AG 250

23' : 20127+3456
TDT2090

23' : 20144+3501
COU2216

24' : 20123+3451
AG 249AB

24' : 20133+3502
ARY 23AB

25' : 20120+3436
HO 120AB

25' : 20124+3455
ABT9004

25' : 20150+3500
ES 205

26' : 20130+3416
LDS1035

26' : 20120+3429
A 282AB

26' : 20158+3447
SEI1047

28' : 20155+3415
GCB 51

28' : 20120+3454
SEI 987

30' : 20117+3431
CRB 133

30' : 20131+3411
STTA203

32' : 20158+3417
DAM 206

32' : 20153+3412
DAM 205

33' : 20117+3458
SEI 977

35' : 20116+3420
TDT2069

37' : 20168+3435
TDT2137

38' : 20158+3409
TDT2127

39' : 20119+3510
SEI 988

43' : 20106+3452
A 281AB



Selections
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Binary Systems
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20139+3439 SEI 1027 (HD 228441)

 
 
20h 13m 54.72s +34° 38' 55.4" P.A. 10.00 sep 28.7 mag 10.15,12.31 Sp G5IV
 
 
Coord 2000 20139+3439 Discov num SEI1027 Comp Coord arcsec 2000 20 13 54.72 +34 38 55.4
Date first 1896 Date last 2015 Obs 13
Pa first 11 Pa last 9.9 P.A. Now (θ) 9.9°
Sep first 27.5 Sep last 28.676 Sep. Now (ρ) 28.676"
Mag pri 10.15 Mag sec 12.31 delta mag (ΔM) 2.16 Spectral class G5IV (yellow)
Pri motion ra +005 Sec motion ra -002
Pri motion dec -013 Sec motion dec +001
Notes
rPM=1.124
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 228441 Constellation Cygnus Tycho2 2679-00800-1 Gaia DR2 2055776548534504704
HD 228441
 
 
WDS 20139+3439 SEI 1027 (HD 228441) : 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
20139+3439 SEI1027 1999 5 10 28.5 10.15 12.10 D 201354.72+343855.4
20139+3439 SEI1027 2002 6 10 28.5 10.15 12.10 D 201354.72+343855.4
20139+3439 SEI1027 2011 7 10 28.6 10.15 12.10 D 201354.72+343855.4
20139+3439 SEI1027 2015 9 10 28.7 10.15 12.31 G5IV 201354.72+343855.4

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

 
 
WDS 20139+3439 SEI 1027 (HD 228441) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20139+3439 SEI 1027 (HD 228441) : MEASURES
 
 
No records found.

 
 
WDS 20139+3439 (HD 228441) : VIRTUAL EYEPIECE
 
 

20139+3439 SEI1027A mag 10.15 Sp G5IV 20139+3439 SEI1027B sep 28.5 P.A. 8.20 mag 12.31 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20139+3439 (HD 228441) : ALADIN DSS IMAGE @ 20h 13m 54.72s +34° 38' 55.4"
 
 
 
 
WDS 20139+3439 SEI 1027 (HD 228441) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20139+3439 SEI1027 distance=0' 20128+3439 TDT2091 distance=15' 20129+3432 TDT2093 distance=15' 20130+3450 SEI1012 distance=16' 20129+3429 AG 250 distance=16' 20127+3456 TDT2090 distance=23' 20144+3501 COU2216 distance=23' 20123+3451 AG 249AB distance=24' 20123+3451 AG 249AC distance=24' 20123+3451 AG 249CD distance=24' 20133+3502 ARY 23AB distance=24' 20120+3436 HO 120AB distance=25' 20120+3436 HO 120AC distance=25' 20124+3455 ABT9004 distance=25' 20133+3502 SKF2392BD distance=25' 20133+3502 ARY 23BC distance=25' 20150+3500 ES 205 distance=25' 20130+3416 LDS1035 distance=26' 20120+3429 A 282AB distance=26' 20120+3429 HO 121AB,C distance=26' 20120+3429 HO 121AB,D distance=26' 20158+3447 SEI1047 distance=26' 20155+3415 GCB 51 distance=28' 20120+3454 SEI 987 distance=28' 20117+3431 CRB 133 distance=30' 20131+3411 STTA203 distance=30' 20158+3417 DAM 206 distance=32' 20153+3412 DAM 205 distance=32' 20117+3458 SEI 977 distance=33' 20116+3420 TDT2069 distance=35' 20168+3435 TDT2137 distance=37' 20158+3409 TDT2127 distance=38' 20119+3510 SEI 988 distance=39' 20106+3452 A 281AB distance=43' 20106+3452 ARN 96AC distance=43' 20142+3522 ES 204 distance=43' 20146+3522 SEI1040 distance=45' 20160+3403 SMA 115 distance=45' 20173+3420 SEI1064 distance=46' 20144+3524 ES 244BC distance=46' 20144+3524 ES 244CD distance=46' 20144+3524 ES 244AB distance=46' 20165+3406 J 785AB distance=48' 20165+3406 J 785AC distance=48' 20135+3526 COU2214AB distance=48' 20135+3526 COU2214AC distance=48' 20144+3556 SEI1035 distance=52' 20103+3412 TDT2045 distance=53' 20103+3511 SEI 941 distance=55' 20095+3431 TOB 172 distance=55' 20096+3459 SEI 929 distance=57' 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 20139+3439 SEI1027 10 28.7
Show 20128+3439 TDT2091 24 1.0 15
Show 20129+3432 TDT2093 20 0.4 15
Show 20130+3450 SEI1012 49 14.6 16
Show 20129+3429 AG 250 53 8.9 16
Show 20127+3456 TDT2090 256 0.5 23
Show 20144+3501 COU2216 207 0.6 23
Show 20123+3451 AG 249 AB 133 32.9 24
Show 20123+3451 AG 249 AC 30 13.0 24
Show 20123+3451 AG 249 CD 352 6.3 24
Show 20133+3502 ARY 23 AB 28 81.6 24
Show 20120+3436 HO 120 AB 111 1.2 25
Show 20120+3436 HO 120 AC 200 24.2 25
Show 20124+3455 ABT9004 5 27.9 25
Show 20133+3502 SKF2392 BD 346 14.0 25
Show 20133+3502 ARY 23 BC 339 65.0 25
Show 20150+3500 ES 205 198 7.1 25
Show 20130+3416 LDS1035 193 17.3 26
Show 20120+3429 A 282 AB 207 0.3 26
Show 20120+3429 HO 121 AB,C 12 24.5 26
Show 20120+3429 HO 121 AB,D 11 42.0 26
Show 20158+3447 SEI1047 163 21.0 26
Show 20155+3415 GCB 51 215 2.9 28
Show 20120+3454 SEI 987 336 23.2 28
Show 20117+3431 CRB 133 113 10.7 30
Show 20131+3411 STTA203 37 88.4 30
Show 20158+3417 DAM 206 174 5.0 32
Show 20153+3412 DAM 205 359 8.6 32
Show 20117+3458 SEI 977 39 15.2 33
Show 20116+3420 TDT2069 317 0.5 35
Show 20168+3435 TDT2137 110 0.6 37
Show 20158+3409 TDT2127 344 0.8 38
Show 20119+3510 SEI 988 3 3.8 39
Show 20106+3452 A 281 AB 172 4.2 43
Show 20106+3452 ARN 96 AC 314 63.6 43
Show 20142+3522 ES 204 281 15.1 43
Show 20146+3522 SEI1040 49 4.4 45
Show 20160+3403 SMA 115 188 19.0 45
Show 20173+3420 SEI1064 254 23.9 46
Show 20144+3524 ES 244 BC 17 4.9 46
Show 20144+3524 ES 244 CD 304 4.1 46
Show 20144+3524 ES 244 AB 130 41.2 46
Show 20165+3406 J 785 AB 25 2.7 48
Show 20165+3406 J 785 AC 12 10.2 48
Show 20135+3526 COU2214 AB 31 1.1 48
Show 20135+3526 COU2214 AC 263 3.4 48
Show 20144+3556 SEI1035 198 15.4 52
Show 20103+3412 TDT2045 131 0.8 53
Show 20103+3511 SEI 941 156 27.5 55
Show 20095+3431 TOB 172 108 8.5 55
Show 20096+3459 SEI 929 31 20.9 57

 
 
WDS 20139+3439 : COMPONENTS
 
 
  A
B pa=8.2°
sep=28.54"
 
 
20139+3439 A
 
 
Componente originario normalizzato AB Name HD 228441 Coord arcsec 2000 201354.72+343855.4 Mag 10.15
Spectral class G5IV (yellow) PmRA 5.00 PmDE -13.0 Tycho2 2679-00800-1
HD 228441 DM BD+34 3928
Tycho2
Tycho2 2679-00800-1 Pflag RAmdeg 303.47799532 DEmdeg 34.64873311
PmRA 2.6 PmDE -11.2 E RAmdeg 20 E DEmdeg 18
E pmRA 1.9 E pmDE 1.9 EpRAm 1988.68 EpDEm 1989.26
Num 6 Q RAmdeg 1.4 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.2 BTmag 10.720 E BTmag 0.036 VTmag 10.145
E VTmag 0.030 Prox 999 TYC T HIP
CCDM RAdeg 303.47798889 DEdeg 34.64875611 EpRA 1990 1.59
EpDE 1990 1.70 E RAdeg 21.6 E DEdeg 20.2 Posflg
Corr 0.2
CCDM
Ccdm 20139+3439 RComp Comp A Note1
Note2 Discov num DRAs 0.71 DDEs -4.3
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.7 Sp G PmNote
PmRA PmDE Dm number +34 3928 Cat1 BD
Name2 Cat2 HD 228441 M HD
ADS BDS M ADS BDS N IDS IDS 20101N3421A
HIC
 
 
20139+3439 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 201355.05+343923.6 Mag 12.31 PmRA -2.00
PmDE 1.0 Calc delta mag 2.16 Calc coord yes
CCDM
Ccdm 20139+3439 RComp Comp B Note1
Note2 Discov num SEI1027 DRAs 1.13 DDEs 23.5
R dRAs 65 Year 1896 Theta 011 Rho 27.6
Obs 1 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20101N3421B
HIC