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Current system
20046+3455
SEI 838


Nearby doubles
6' : 20047+3458
POP 64

7' : 20047+3451
POP 193

14' : 20053+3503
TDT1960

14' : 20035+3448
SEI 824

22' : 20025+3450
SEI 812

24' : 20063+3454
SEI 870AB

24' : 20062+3450
POP 65

25' : 20043+3431
SEI 836

25' : 20057+3514
TDT1967

26' : 20049+3431
BKO 526

27' : 20034+3432
TDS1036

29' : 20064+3442
SEI 876

29' : 20067+3455
A 278

31' : 20058+3520
SEI 851

33' : 20070+3458
TDT1990

34' : 20068+3509
GRV 313

34' : 20062+3520
TDT1981

34' : 20024+3519
ES 202AB

36' : 20015+3452
POP 63

36' : 20062+3523
MZA 38

37' : 20069+3438
COU2124

37' : 20041+3419
SEI 834

37' : 20027+3526
TDT1932

37' : 20025+3427
SEI 811

38' : 20031+3421
BKO 525

38' : 20034+3420
SEI 823



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

20046+3455 SEI 838

 
 
20h 04m 22.23s +34° 55' 20.5" P.A. 205.00 sep 27.3 mag 10.70,13.00 Sp A0
 
 
Coord 2000 20046+3455 Discov num SEI 838 Comp Coord arcsec 2000 20 04 22.23 +34 55 20.5
Date first 1894 Date last 2015 Obs 12
Pa first 222 Pa last 204.8 P.A. Now (θ) 204.8°
Sep first 22.5 Sep last 27.278 Sep. Now (ρ) 27.278"
Mag pri 10.70 Mag sec 13.00 delta mag (ΔM) 2.3 Spectral class A0 (white)
Pri motion ra +001 Sec motion ra +005
Pri motion dec -003 Sec motion dec -001
Notes U (Proper motion indicates non-physical)
rPM=0.877
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2678-00881-1 Gaia DR2 2058622050272338688 HD 227462
 
 
WDS 20046+3455 SEI 838 : 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+3455 SEI 838 1894 1 222 22.5 10.50 11.00 N 200437.03+345511.9
20046+3455 SEI 838 2015 7 205 27.3 10.70 13.00 A0 200422.23+345520.5

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

 
 
WDS 20046+3455 SEI 838 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20046+3455 SEI 838 : MEASURES
 
 
No records found.

 
 
WDS 20046+3455 : VIRTUAL EYEPIECE
 
 

20046+3455 SEI 838A mag 10.7 Sp A0 20046+3455 SEI 838B sep 26.5 P.A. 200.70 mag 13 virtual eyepiece
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Radius:
Components only
 
 
WDS 20046+3455 : ALADIN DSS IMAGE @ 20h 04m 22.23s +34° 55' 20.5"
 
 
 
 
WDS 20046+3455 SEI 838 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20046+3455 SEI 838 distance=1' 20047+3458 POP 64 distance=6' 20047+3451 POP 193 distance=7' 20053+3503 TDT1960 distance=14' 20035+3448 SEI 824 distance=14' 20025+3450 SEI 812 distance=22' 20063+3454 SEI 870AB distance=24' 20063+3454 POP 66AC distance=24' 20063+3454 POP 66AD distance=24' 20062+3450 POP 65 distance=24' 20043+3431 SEI 836 distance=25' 20057+3514 TDT1967 distance=25' 20049+3431 BKO 526 distance=26' 20034+3432 TDS1036 distance=27' 20064+3442 SEI 876 distance=29' 20067+3455 A 278 distance=29' 20058+3520 SEI 851 distance=31' 20070+3458 TDT1990 distance=33' 20068+3509 GRV 313 distance=34' 20062+3520 TDT1981 distance=34' 20024+3519 ES 202BD distance=34' 20024+3519 ES 202BN distance=34' 20024+3519 ES 202CD distance=34' 20024+3519 ES 202AB distance=34' 20024+3519 ES 202AC distance=34' 20024+3519 ABH 127AE distance=34' 20024+3519 ABH 127AF distance=34' 20024+3519 ABH 127AG distance=34' 20024+3519 ABH 127AH distance=34' 20024+3519 ABH 127AI distance=34' 20024+3519 ABH 127AJ distance=34' 20024+3519 ABH 127AK distance=34' 20024+3519 ABH 127AL distance=34' 20024+3519 ES 202AM distance=34' 20024+3519 ES 202AO distance=34' 20024+3519 ES 202AN distance=34' 20024+3519 ES 202AD distance=34' 20024+3519 FYM 84AS distance=34' 20015+3452 POP 63 distance=36' 20062+3523 MZA 38 distance=36' 20069+3438 COU2124 distance=37' 20041+3419 SEI 834 distance=37' 20027+3526 TDT1932 distance=37' 20025+3427 SEI 811 distance=37' 20031+3421 BKO 525 distance=38' 20034+3420 SEI 823 distance=38' 20032+3421 SEI 820 distance=38' 20012+3451 SEI 788 distance=40' 20020+3522 ES 243 distance=41' 20016+3435 COU1947 distance=41' 20052+3536 TDT1958 distance=43' 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+3455 SEI 838 205 27.3 1
Show 20047+3458 POP 64 135 5.1 6
Show 20047+3451 POP 193 98 5.0 7
Show 20053+3503 TDT1960 186 1.4 14
Show 20035+3448 SEI 824 323 11.1 14
Show 20025+3450 SEI 812 156 6.8 22
Show 20063+3454 SEI 870 AB 2 6.5 24
Show 20063+3454 POP 66 AC 117 25.4 24
Show 20063+3454 POP 66 AD 347 44.0 24
Show 20062+3450 POP 65 223 6.2 24
Show 20043+3431 SEI 836 6 16.4 25
Show 20057+3514 TDT1967 236 1.3 25
Show 20049+3431 BKO 526 41 10.8 26
Show 20034+3432 TDS1036 4 1.2 27
Show 20064+3442 SEI 876 13 4.0 29
Show 20067+3455 A 278 295 1.7 29
Show 20058+3520 SEI 851 161 27.2 31
Show 20070+3458 TDT1990 154 1.3 33
Show 20068+3509 GRV 313 305 29.1 34
Show 20062+3520 TDT1981 3 0.5 34
Show 20024+3519 ES 202 BD 184 12.9 34
Show 20024+3519 ES 202 BN 109 5.0 34
Show 20024+3519 ES 202 CD 109 14.2 34
Show 20024+3519 ES 202 AB 100 17.8 34
Show 20024+3519 ES 202 AC 164 11.8 34
Show 20024+3519 ABH 127 AE 221 19.9 34
Show 20024+3519 ABH 127 AF 222 32.3 34
Show 20024+3519 ABH 127 AG 25 35.8 34
Show 20024+3519 ABH 127 AH 13 41.5 34
Show 20024+3519 ABH 127 AI 130 57.0 34
Show 20024+3519 ABH 127 AJ 108 62.0 34
Show 20024+3519 ABH 127 AK 108 98.9 34
Show 20024+3519 ABH 127 AL 112 96.5 34
Show 20024+3519 ES 202 AM 223 11.6 34
Show 20024+3519 ES 202 AO 180 3.7 34
Show 20024+3519 ES 202 AN 102 22.8 34
Show 20024+3519 ES 202 AD 134 23.1 34
Show 20024+3519 FYM 84 AS 271 22.9 34
Show 20015+3452 POP 63 62 4.7 36
Show 20062+3523 MZA 38 145 1.1 36
Show 20069+3438 COU2124 257 1.0 37
Show 20041+3419 SEI 834 135 21.9 37
Show 20027+3526 TDT1932 146 2.3 37
Show 20025+3427 SEI 811 79 19.9 37
Show 20031+3421 BKO 525 308 11.5 38
Show 20034+3420 SEI 823 232 17.2 38
Show 20032+3421 SEI 820 91 10.8 38
Show 20012+3451 SEI 788 149 29.0 40
Show 20020+3522 ES 243 280 5.1 41
Show 20016+3435 COU1947 91 0.3 41
Show 20052+3536 TDT1958 65 1.1 43

 
 
WDS 20046+3455 : COMPONENTS
 
 
  A
B pa=200.7°
sep=26.48"
 
 
20046+3455 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200422.23+345520.5 Mag 10.7 Spectral class A0 (white)
PmRA 1.00 PmDE -3.0 Tycho2 2678-00881-1 HD 227462
Tycho2
Tycho2 2678-00881-1 Pflag RAmdeg 301.09262277 DEmdeg 34.92237644
PmRA 3.3 PmDE -2.2 E RAmdeg 26 E DEmdeg 25
E pmRA 1.6 E pmDE 1.6 EpRAm 1988.28 EpDEm 1989.07
Num 5 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 10.885 E BTmag 0.040 VTmag 10.698
E VTmag 0.047 Prox 663 TYC T HIP
CCDM RAdeg 301.09261361 DEdeg 34.92238111 EpRA 1990 1.63
EpDE 1990 1.68 E RAdeg 26.6 E DEdeg 25.3 Posflg
Corr 0.0
 
 
20046+3455 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200421.47+345455.7 Mag 13 PmRA 5.00
PmDE -1.0 Calc delta mag 2.3 Calc coord yes