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Current system
20048+3359
SEI 841


Nearby doubles
14' : 20039+3349
SEI 833

16' : 20053+3343
SEI 844

20' : 20033+3403
SEI 822

20' : 20032+3357
SEI 821

23' : 20041+3419
SEI 834

24' : 20031+3350
SEI 819

25' : 20049+3334
ES 2350AB

25' : 20061+3417
GYL 88

27' : 20031+3343
SEI 818

27' : 20027+3355
BKO 522AB

28' : 20034+3420
SEI 823

28' : 20027+3349
SEI 815AB

29' : 20026+3352
BKO 521AB

29' : 20030+3416
BKO 524

31' : 20032+3421
SEI 820

31' : 20023+3354
SEI 804

31' : 20057+3329
ES 2351

32' : 20027+3340
HO 118AB

32' : 20039+3329
TDT1945

32' : 20031+3421
BKO 525

33' : 20049+3431
BKO 526

33' : 20043+3431
SEI 836

34' : 20025+3341
HO 117AB

34' : 20037+3327
TDT1942

35' : 20062+3328
ES 2373AB

37' : 20020+3411
SEI 800



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

20048+3359 SEI 841

 
 
20h 04m 49.10s +33° 58' 20.7" P.A. 307.00 sep 26.7 mag 12.20,12.50
 
 
Coord 2000 20048+3359 Discov num SEI 841 Comp Coord arcsec 2000 20 04 49.10 +33 58 20.7
Date first 1893 Date last 2015 Obs 13
Pa first 310 Pa last 307.1 P.A. Now (θ) 307.1°
Sep first 27.0 Sep last 26.693 Sep. Now (ρ) 26.693"
Mag pri 12.20 Mag sec 12.50 delta mag (ΔM) 0.3 Spectral class
Pri motion ra -002 Sec motion ra -002
Pri motion dec -005 Sec motion dec -004
Notes U (Proper motion indicates non-physical)
rPM=0.186 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2678-00375-1 Gaia DR2 2058360538302798720
 
 
WDS 20048+3359 SEI 841 : 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
20048+3359 SEI 841 1998 6 307 26.7 12.27 12.66 D 200449.10+335820.7
20048+3359 SEI 841 2002 7 307 26.7 12.27 12.66 D 200449.10+335820.7
20048+3359 SEI 841 2011 8 307 26.7 12.27 12.66 D 200449.10+335820.7
20048+3359 SEI 841 2015 9 307 26.7 12.20 12.50 U 200449.10+335820.7

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

 
 
WDS 20048+3359 SEI 841 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20048+3359 SEI 841 : MEASURES
 
 
No records found.

 
 
WDS 20048+3359 : VIRTUAL EYEPIECE
 
 

20048+3359 SEI 841A mag 12.2 20048+3359 SEI 841B sep 23.9 P.A. 312.40 mag 12.5 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 20048+3359 : ALADIN DSS IMAGE @ 20h 04m 49.10s +33° 58' 20.7"
 
 
 
 
WDS 20048+3359 SEI 841 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20048+3359 SEI 841 distance=0' 20039+3349 SEI 833 distance=14' 20053+3343 SEI 844 distance=16' 20033+3403 SEI 822 distance=20' 20032+3357 SEI 821 distance=20' 20041+3419 SEI 834 distance=23' 20031+3350 SEI 819 distance=24' 20049+3334 ES 2350AB distance=25' 20049+3334 ES 2350BC distance=25' 20061+3417 GYL 88 distance=25' 20031+3343 SEI 818 distance=27' 20027+3355 BKO 522AB distance=27' 20027+3355 BKO 522AD distance=27' 20027+3355 BKO 522BC distance=27' 20027+3355 BKO 522DE distance=27' 20034+3420 SEI 823 distance=28' 20027+3349 SEI 815AB distance=28' 20027+3349 SEI 816AC distance=28' 20027+3349 BKO 523AD distance=28' 20026+3352 BKO 521BC distance=29' 20026+3352 BKO 521AB distance=29' 20030+3416 BKO 524 distance=29' 20032+3421 SEI 820 distance=31' 20023+3354 SEI 804 distance=31' 20057+3329 ES 2351 distance=31' 20027+3340 HO 118AB distance=32' 20027+3340 DAM 7AC distance=32' 20039+3329 TDT1945 distance=32' 20027+3340 WAK 13CD distance=32' 20031+3421 BKO 525 distance=32' 20049+3431 BKO 526 distance=33' 20043+3431 SEI 836 distance=33' 20025+3341 HO 117AB distance=34' 20025+3341 BKO 520AC distance=34' 20037+3327 TDT1942 distance=34' 20062+3328 ES 2373AB distance=35' 20062+3328 ES 2373AC distance=35' 20020+3411 SEI 800 distance=37' 20034+3432 TDS1036 distance=38' 20068+3329 ES 2352AB distance=39' 20068+3329 ES 2352BC distance=39' 20016+3358 SEI 794 distance=40' 20025+3427 SEI 811 distance=41' 20022+3332 SEI 801 distance=43' 20016+3417 SEI 793 distance=44' 20013+3346 SEI 789 distance=46' 20069+3438 COU2124 distance=48' 20064+3442 SEI 876 distance=48' 20010+3346 SEI 785 distance=49' 20024+3320 SEI 803 distance=50' 20081+3329 TDT2010 distance=51' 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 20048+3359 SEI 841 307 26.7
Show 20039+3349 SEI 833 146 6.0 14
Show 20053+3343 SEI 844 6 22.5 16
Show 20033+3403 SEI 822 212 24.3 20
Show 20032+3357 SEI 821 93 29.2 20
Show 20041+3419 SEI 834 135 21.9 23
Show 20031+3350 SEI 819 148 22.1 24
Show 20049+3334 ES 2350 AB 224 2.4 25
Show 20049+3334 ES 2350 BC 241 4.4 25
Show 20061+3417 GYL 88 152 9.9 25
Show 20031+3343 SEI 818 207 15.1 27
Show 20027+3355 BKO 522 AB 340 6.8 27
Show 20027+3355 BKO 522 AD 199 10.6 27
Show 20027+3355 BKO 522 BC 15 1.9 27
Show 20027+3355 BKO 522 DE 154 4.4 27
Show 20034+3420 SEI 823 232 17.2 28
Show 20027+3349 SEI 815 AB 358 19.4 28
Show 20027+3349 SEI 816 AC 113 20.6 28
Show 20027+3349 BKO 523 AD 341 5.0 28
Show 20026+3352 BKO 521 BC 57 5.1 29
Show 20026+3352 BKO 521 AB 34 10.5 29
Show 20030+3416 BKO 524 62 13.9 29
Show 20032+3421 SEI 820 91 10.8 31
Show 20023+3354 SEI 804 270 27.4 31
Show 20057+3329 ES 2351 276 5.0 31
Show 20027+3340 HO 118 AB 28 3.0 32
Show 20027+3340 DAM 7 AC 308 60.7 32
Show 20039+3329 TDT1945 114 1.3 32
Show 20027+3340 WAK 13 CD 6 2.9 32
Show 20031+3421 BKO 525 308 11.5 32
Show 20049+3431 BKO 526 41 10.8 33
Show 20043+3431 SEI 836 6 16.4 33
Show 20025+3341 HO 117 AB 314 5.2 34
Show 20025+3341 BKO 520 AC 24 6.5 34
Show 20037+3327 TDT1942 11 0.8 34
Show 20062+3328 ES 2373 AB 104 6.1 35
Show 20062+3328 ES 2373 AC 53 12.6 35
Show 20020+3411 SEI 800 350 24.9 37
Show 20034+3432 TDS1036 4 1.2 38
Show 20068+3329 ES 2352 AB 52 32.4 39
Show 20068+3329 ES 2352 BC 248 4.3 39
Show 20016+3358 SEI 794 193 3.8 40
Show 20025+3427 SEI 811 79 19.9 41
Show 20022+3332 SEI 801 107 7.9 43
Show 20016+3417 SEI 793 27 4.0 44
Show 20013+3346 SEI 789 347 16.9 46
Show 20069+3438 COU2124 257 1.0 48
Show 20064+3442 SEI 876 13 4.0 48
Show 20010+3346 SEI 785 137 29.2 49
Show 20024+3320 SEI 803 272 22.6 50
Show 20081+3329 TDT2010 55 0.9 51

 
 
WDS 20048+3359 : COMPONENTS
 
 
  A
B pa=312.4°
sep=23.89"
 
 
20048+3359 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200449.10+335820.7 Mag 12.2 PmRA -2.00
PmDE -5.0 Tycho2 2678-00375-1
Tycho2
Tycho2 2678-00375-1 Pflag RAmdeg 301.20458857 DEmdeg 33.97242480
PmRA -1.9 PmDE -2.2 E RAmdeg 102 E DEmdeg 102
E pmRA 2.5 E pmDE 2.4 EpRAm 1948.38 EpDEm 1949.23
Num 6 Q RAmdeg 1.5 Q DEmdeg 0.3 Q pmRA 1.5
Q pmDE 0.3 BTmag 12.099 E BTmag 0.128 VTmag 12.267
E VTmag 0.204 Prox 266 TYC HIP
CCDM RAdeg 301.20461222 DEdeg 33.97243111 EpRA 1990 1.48
EpDE 1990 1.61 E RAdeg 158.4 E DEdeg 151.6 Posflg
Corr 0.1
 
 
20048+3359 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200447.68+335836.8 Mag 12.5 PmRA -2.00
PmDE -4.0 Tycho2 2678-00696-1 Calc delta mag 0.3 Calc coord yes
Tycho2
Tycho2 2678-00696-1 Pflag RAmdeg 301.19749831 DEmdeg 33.97689306
PmRA -0.9 PmDE -7.3 E RAmdeg 77 E DEmdeg 74
E pmRA 2.1 E pmDE 2.0 EpRAm 1969.91 EpDEm 1971.02
Num 5 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 12.200 E BTmag 0.140 VTmag 12.663
E VTmag 0.250 Prox 266 TYC HIP
CCDM RAdeg 301.19751306 DEdeg 33.97691417 EpRA 1990 1.47
EpDE 1990 1.62 E RAdeg 89.8 E DEdeg 86.2 Posflg
Corr 0.1