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Doubles in session


Current system
20318+3517
SEI 1152


Nearby doubles
2' : 20315+3517
CRB 135

13' : 20329+3515
ES 2306

19' : 20306+3525
COU1961

22' : 20309+3459
SEI1145

26' : 20339+3515
WRH 34AB

29' : 20305+3454
ES 2304

29' : 20305+3540
SEI1142

29' : 20306+3452
ES 2305

30' : 20340+3505
SEI1169

32' : 20344+3513
J 1143

33' : 20344+3510
TDT2383

34' : 20337+3452
TDT2373

37' : 20322+3552
GRV 350

37' : 20300+3448
J 789

40' : 20290+3535
COU1959

41' : 20294+3447
GCB 53

42' : 20346+3541
TDT2386

42' : 20321+3558
COU2133AB

44' : 20353+3525
ES 2250

44' : 20288+3541
SEI1130

45' : 20355+3510
POP 6

45' : 20340+3441
STT 408

46' : 20355+3509
POP 7

47' : 20355+3507
SEI1183

47' : 20356+3510
STF2702

48' : 20291+3550
HO 594AB



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

20318+3517 SEI 1152

 
 
20h 31m 50.32s +35° 16' 42.2" P.A. 316.00 sep 25.3 mag 8.75,10.95 Sp K0
 
 
Coord 2000 20318+3517 Discov num SEI1152 Comp Coord arcsec 2000 20 31 50.32 +35 16 42.2
Date first 1896 Date last 2015 Obs 16
Pa first 317 Pa last 315.9 P.A. Now (θ) 315.9°
Sep first 26.2 Sep last 25.335 Sep. Now (ρ) 25.335"
Mag pri 8.75 Mag sec 10.95 delta mag (ΔM) 2.2 Spectral class K0 (yellow-orange)
Pri motion ra +007 Sec motion ra +007
Pri motion dec -013 Sec motion dec -022
Notes
rPM=0.39
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2693-01532-1 Gaia DR2 2056570292845978752
 
 
WDS 20318+3517 SEI 1152 : 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
20318+3517 SEI1152 1999 8 316 25.4 8.75 10.95 K0 D 203150.32+351642.2
20318+3517 SEI1152 2002 9 316 25.5 8.75 10.95 K0 D 203150.32+351642.2
20318+3517 SEI1152 2013 10 316 25.0 8.75 10.95 K0 203150.32+351642.2
20318+3517 SEI1152 2015 12 316 25.3 8.75 10.95 K0 203150.32+351642.2

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

 
 
WDS 20318+3517 SEI 1152 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20318+3517 SEI 1152 : MEASURES
 
 
No records found.

 
 
WDS 20318+3517 : VIRTUAL EYEPIECE
 
 

20318+3517 SEI1152A mag 8.75 Sp K0 20318+3517 SEI1152B sep 23.2 P.A. 321.70 mag 10.95 virtual eyepiece
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Radius:
Components only
 
 
WDS 20318+3517 : ALADIN DSS IMAGE @ 20h 31m 50.32s +35° 16' 42.2"
 
 
 
 
WDS 20318+3517 SEI 1152 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20318+3517 SEI1152 distance=0' 20315+3517 CRB 135 distance=2' 20329+3515 ES 2306 distance=13' 20307+3521 HU 760BC distance=15' 20307+3521 HJ 1526A,BC distance=15' 20306+3525 COU1961 distance=19' 20309+3459 SEI1145 distance=22' 20339+3515 WRH 34AB distance=26' 20339+3515 BU 1490AC distance=26' 20305+3454 ES 2304 distance=29' 20305+3540 SEI1142 distance=29' 20306+3452 ES 2305 distance=29' 20340+3505 SEI1169 distance=30' 20344+3513 J 1143 distance=32' 20344+3510 TDT2383 distance=33' 20337+3452 TDT2373 distance=34' 20322+3552 GRV 350 distance=37' 20300+3448 J 789 distance=37' 20290+3535 COU1959 distance=40' 20294+3447 GCB 53 distance=41' 20346+3541 TDT2386 distance=42' 20321+3558 COU2133AB distance=42' 20321+3558 COU2133Aa,Ab distance=42' 20353+3525 ES 2250 distance=44' 20288+3541 SEI1130 distance=44' 20355+3510 POP 6 distance=45' 20340+3441 STT 408 distance=45' 20355+3509 POP 7 distance=46' 20355+3507 SEI1183 distance=47' 20356+3510 STF2702 distance=47' 20291+3550 HO 594AB distance=48' 20291+3550 GRF 16AC distance=48' 20288+3447 COU2132 distance=49' 20355+3450 ES 2307 distance=53' 20359+3458 J 793 distance=54' 20316+3420 TOK 338 distance=57' 20278+3447 COU2131AB distance=58' 20278+3447 GII 86Aa,Ab distance=58' 20356+3559 TDT2401 distance=63' 20308+3619 TDS1078 distance=64' 20356+3432 J 792 distance=64' 20287+3423 COU1957 distance=66' 20324+3622 KPP3359 distance=66' 20364+3555 TDT2414 distance=68' 20350+3419 J 791AB distance=69' 20350+3419 J 791AC distance=69' 20277+3605 ES 2193AB distance=70' 20277+3605 ES 2193AC distance=70' 20277+3605 ES 2193AD distance=70' 20373+3541 ES 2251 distance=71' 20260+3512 COU2129 distance=72' 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 20318+3517 SEI1152 316 25.3
Show 20315+3517 CRB 135 4 16.6 2
Show 20329+3515 ES 2306 328 7.4 13
Show 20307+3521 HU 760 BC 67 0.3 15
Show 20307+3521 HJ 1526 A,BC 148 8.8 15
Show 20306+3525 COU1961 205 0.4 19
Show 20309+3459 SEI1145 88 7.7 22
Show 20339+3515 WRH 34 AB 278 0.3 26
Show 20339+3515 BU 1490 AC 210 115.1 26
Show 20305+3454 ES 2304 39 3.6 29
Show 20305+3540 SEI1142 78 21.7 29
Show 20306+3452 ES 2305 286 6.7 29
Show 20340+3505 SEI1169 262 20.8 30
Show 20344+3513 J 1143 271 4.1 32
Show 20344+3510 TDT2383 124 0.6 33
Show 20337+3452 TDT2373 67 0.8 34
Show 20322+3552 GRV 350 159 36.5 37
Show 20300+3448 J 789 97 2.3 37
Show 20290+3535 COU1959 323 0.4 40
Show 20294+3447 GCB 53 338 4.3 41
Show 20346+3541 TDT2386 203 0.5 42
Show 20321+3558 COU2133 AB 29 2.4 42
Show 20321+3558 COU2133 Aa,Ab 119 0.1 42
Show 20353+3525 ES 2250 121 5.5 44
Show 20288+3541 SEI1130 26 11.3 44
Show 20355+3510 POP 6 219 6.5 45
Show 20340+3441 STT 408 193 1.6 45
Show 20355+3509 POP 7 66 7.9 46
Show 20355+3507 SEI1183 -1 -1.0 47
Show 20356+3510 STF2702 208 3.1 47
Show 20291+3550 HO 594 AB 212 15.9 48
Show 20291+3550 GRF 16 AC 163 104.0 48
Show 20288+3447 COU2132 108 1.2 49
Show 20355+3450 ES 2307 90 3.3 53
Show 20359+3458 J 793 67 2.9 54
Show 20316+3420 TOK 338 2 94.2 57
Show 20278+3447 COU2131 AB 281 1.1 58
Show 20278+3447 GII 86 Aa,Ab 113 0.4 58
Show 20356+3559 TDT2401 358 0.4 63
Show 20308+3619 TDS1078 294 1.2 64
Show 20356+3432 J 792 321 3.4 64
Show 20287+3423 COU1957 84 1.2 66
Show 20324+3622 KPP3359 201 8.7 66
Show 20364+3555 TDT2414 222 0.9 68
Show 20350+3419 J 791 AB 181 3.7 69
Show 20350+3419 J 791 AC 229 18.2 69
Show 20277+3605 ES 2193 AB 334 4.9 70
Show 20277+3605 ES 2193 AC 231 7.4 70
Show 20277+3605 ES 2193 AD 33 12.7 70
Show 20373+3541 ES 2251 196 3.6 71
Show 20260+3512 COU2129 163 0.1 72

 
 
WDS 20318+3517 : COMPONENTS
 
 
  A
B pa=321.7°
sep=23.20"
 
 
20318+3517 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203150.32+351642.2 Mag 8.75 Spectral class K0 (yellow-orange)
PmRA 7.00 PmDE -13.0 Tycho2 2693-01532-1
Tycho2
Tycho2 2693-01532-1 Pflag RAmdeg 307.95968313 DEmdeg 35.27840104
PmRA 4.3 PmDE -11.9 E RAmdeg 9 E DEmdeg 8
E pmRA 1.1 E pmDE 1.1 EpRAm 1990.42 EpDEm 1990.78
Num 11 Q RAmdeg 1.1 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 10.152 E BTmag 0.023 VTmag 8.753
E VTmag 0.012 Prox 256 TYC T HIP
CCDM RAdeg 307.95967167 DEdeg 35.27842806 EpRA 1990 1.53
EpDE 1990 1.68 E RAdeg 8.5 E DEdeg 7.7 Posflg
Corr 0.1
CCDM
Ccdm 20318+3517 RComp Comp A Note1
Note2 Discov num DRAs 2.29 DDEs -18.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.4 Sp K0 PmNote *
PmRA 8 PmDE -19 Dm number +34 4065 Cat1 BD
Name2 +35 2043 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS 20279N3456A
HIC
 
 
20318+3517 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203149.14+351700.4 Mag 10.95 PmRA 7.00
PmDE -22.0 Tycho2 2693-01108-1 Calc delta mag 2.2 Calc coord yes
Tycho2
Tycho2 2693-01108-1 Pflag RAmdeg 307.95366204 DEmdeg 35.28350752
PmRA 4.7 PmDE -20.7 E RAmdeg 31 E DEmdeg 26
E pmRA 2.0 E pmDE 1.9 EpRAm 1987.13 EpDEm 1986.42
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.8 BTmag 11.346 E BTmag 0.052 VTmag 10.948
E VTmag 0.056 Prox 256 TYC T HIP
CCDM RAdeg 307.95364528 DEdeg 35.28355000 EpRA 1990 1.55
EpDE 1990 1.66 E RAdeg 34.4 E DEdeg 32.3 Posflg
Corr 0.0
CCDM
Ccdm 20318+3517 RComp Comp B Note1
Note2 Discov num SEI1152 DRAs DDEs
R dRAs Year 1896 Theta 318 Rho 26.2
Obs 1 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20279N3456B
HIC