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Current system
20389+3546
TDT 2450


Nearby doubles
4' : 20391+3543
SEI1205

8' : 20394+3541
TOB 194

15' : 20401+3551
SEI1211

19' : 20381+3601
HJ 1553

21' : 20376+3559
LSC 92

21' : 20373+3541
ES 2251

26' : 20380+3523
TDT2437

27' : 20406+3603
SEI1213

33' : 20364+3555
TDT2414

34' : 20391+3619
SEI1206

37' : 20418+3553
HJ 1560AB

37' : 20386+3509
POP 8

40' : 20411+3516
COU1963AB

42' : 20403+3508
TDT2460

43' : 20356+3559
TDT2401

43' : 20365+3616
SEI1190

43' : 20414+3515
COU1964

44' : 20423+3601
TDT2481

47' : 20359+3615
GII 52AB

49' : 20359+3617
TDT2405

49' : 20353+3525
ES 2250

50' : 20417+3622
SEI1217

51' : 20430+3555
HJ 1568

53' : 20346+3541
TDT2386

55' : 20356+3510
STF2702

56' : 20355+3510
POP 6



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

20389+3546 TDT 2450

 
 
20h 38m 54.64s +35° 45' 45.8" P.A. 250.00 sep 1.9 mag 12.02,12.85
 
 
Coord 2000 20389+3546 Discov num TDT2450 Comp Coord arcsec 2000 20 38 54.64 +35 45 45.8
Date first 1991 Date last 1991 Obs 1
Pa first 250 Pa last 250 P.A. Now (θ) 250°
Sep first 1.9 Sep last 1.87 Sep. Now (ρ) 1.87"
Mag pri 12.02 Mag sec 12.85 delta mag (ΔM) 0.83 Spectral class
Pri motion ra +002 Sec motion ra +002
Pri motion dec -010 Sec motion dec -010
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2698-00890-1 Gaia DR2 1870498492664765056
 
 
WDS 20389+3546 TDT 2450 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
No records found.

 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20389+3546 TDT2450 1991 1 250 1.9 12.02 12.85 203854.64+354545.8

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

 
 
WDS 20389+3546 TDT 2450 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20389+3546 TDT 2450 : MEASURES
 
 
No records found.

 
 
WDS 20389+3546 : VIRTUAL EYEPIECE
 
 

20389+3546 TDT2450A mag 12.02 20389+3546 TDT2450B sep 1.6 P.A. 245.80 mag 12.85 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 20389+3546 : ALADIN DSS IMAGE @ 20h 38m 54.64s +35° 45' 45.8"
 
 
 
 
WDS 20389+3546 TDT 2450 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20389+3546 TDT2450 distance=0' 20391+3543 SEI1205 distance=4' 20394+3541 TOB 194 distance=8' 20401+3551 SEI1211 distance=15' 20381+3601 HJ 1553 distance=19' 20376+3559 LSC 92 distance=21' 20373+3541 ES 2251 distance=21' 20380+3523 TDT2437 distance=26' 20406+3603 SEI1213 distance=27' 20364+3555 TDT2414 distance=33' 20391+3619 SEI1206 distance=34' 20418+3553 HJ 1560AB distance=37' 20418+3553 HJ 1560AC distance=37' 20386+3509 POP 8 distance=37' 20411+3516 COU1963AB distance=40' 20411+3516 COU1963AB,C distance=40' 20403+3508 TDT2460 distance=42' 20356+3559 TDT2401 distance=43' 20365+3616 SEI1190 distance=43' 20414+3515 COU1964 distance=43' 20423+3601 TDT2481 distance=44' 20359+3615 GII 52Aa,Ab distance=47' 20359+3615 GII 52AB distance=47' 20359+3617 TDT2405 distance=49' 20353+3525 ES 2250 distance=49' 20417+3622 SEI1217 distance=50' 20430+3555 HJ 1568 distance=51' 20346+3541 TDT2386 distance=53' 20356+3510 STF2702 distance=55' 20355+3510 POP 6 distance=56' 20355+3509 POP 7 distance=56' 20434+3535 ISM 5AB distance=56' 20434+3535 EVS 44AC distance=56' 20434+3535 EVS 44AD distance=56' 20422+3510 POP 9 distance=57' 20355+3507 SEI1183 distance=57' 20415+3635 SEI1216 distance=59' 20397+3644 SEI1209 distance=60' 20435+3609 ES 2195AB distance=61' 20435+3609 ES 2195BC distance=61' 20359+3458 J 793 distance=61' 20416+3637 SEI1218 distance=62' 20368+3642 TDT2420 distance=62' 20358+3635 ES 2510 distance=62' 20423+3637 SEI1224 distance=65' 20344+3513 J 1143 distance=65' 20414+3644 SEI1215 distance=66' 20344+3510 TDT2383 distance=66' 20424+3455 COU1965 distance=67' 20339+3515 WRH 34AB distance=69' 20339+3515 BU 1490AC distance=69' 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 20389+3546 TDT2450 250 1.9
Show 20391+3543 SEI1205 74 20.4 4
Show 20394+3541 TOB 194 306 18.8 8
Show 20401+3551 SEI1211 149 20.4 15
Show 20381+3601 HJ 1553 192 11.5 19
Show 20376+3559 LSC 92 105 0.1 21
Show 20373+3541 ES 2251 196 3.6 21
Show 20380+3523 TDT2437 73 0.4 26
Show 20406+3603 SEI1213 243 29.3 27
Show 20364+3555 TDT2414 222 0.9 33
Show 20391+3619 SEI1206 149 26.6 34
Show 20418+3553 HJ 1560 AB 248 12.8 37
Show 20418+3553 HJ 1560 AC 74 24.3 37
Show 20386+3509 POP 8 195 3.7 37
Show 20411+3516 COU1963 AB 0.2 40
Show 20411+3516 COU1963 AB,C 41 1.8 40
Show 20403+3508 TDT2460 121 2.1 42
Show 20356+3559 TDT2401 358 0.4 43
Show 20365+3616 SEI1190 153 2.4 43
Show 20414+3515 COU1964 130 1.0 43
Show 20423+3601 TDT2481 43 0.7 44
Show 20359+3615 GII 52 Aa,Ab 217 0.4 47
Show 20359+3615 GII 52 AB 344 3.9 47
Show 20359+3617 TDT2405 355 1.1 49
Show 20353+3525 ES 2250 121 5.5 49
Show 20417+3622 SEI1217 245 15.1 50
Show 20430+3555 HJ 1568 44 11.2 51
Show 20346+3541 TDT2386 203 0.5 53
Show 20356+3510 STF2702 208 3.1 55
Show 20355+3510 POP 6 219 6.5 56
Show 20355+3509 POP 7 66 7.9 56
Show 20434+3535 ISM 5 AB 145 0.0 56
Show 20434+3535 EVS 44 AC 96 12.9 56
Show 20434+3535 EVS 44 AD 298 14.8 56
Show 20422+3510 POP 9 342 4.5 57
Show 20355+3507 SEI1183 -1 -1.0 57
Show 20415+3635 SEI1216 117 11.8 59
Show 20397+3644 SEI1209 15 21.4 60
Show 20435+3609 ES 2195 AB 4 20.7 61
Show 20435+3609 ES 2195 BC 91 1.8 61
Show 20359+3458 J 793 67 2.9 61
Show 20416+3637 SEI1218 226 12.8 62
Show 20368+3642 TDT2420 356 0.5 62
Show 20358+3635 ES 2510 317 6.8 62
Show 20423+3637 SEI1224 161 25.2 65
Show 20344+3513 J 1143 271 4.1 65
Show 20414+3644 SEI1215 135 28.8 66
Show 20344+3510 TDT2383 124 0.6 66
Show 20424+3455 COU1965 278 0.4 67
Show 20339+3515 WRH 34 AB 278 0.3 69
Show 20339+3515 BU 1490 AC 210 115.1 69

 
 
WDS 20389+3546 : COMPONENTS
 
 
  A
B pa=245.8°
sep=1.56"
 
 
20389+3546 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203854.64+354545.8 Mag 12.02 PmRA 2.00
PmDE -10.0 Tycho2 2698-00890-1
Tycho2
Tycho2 2698-00890-1 Pflag RAmdeg 309.72764648 DEmdeg 35.76274087
PmRA 1.5 PmDE -9.5 E RAmdeg 74 E DEmdeg 65
E pmRA 2.8 E pmDE 2.6 EpRAm 1980.37 EpDEm 1982.78
Num 4 Q RAmdeg 0.7 Q DEmdeg 0.9 Q pmRA 0.7
Q pmDE 0.9 BTmag 12.375 E BTmag 0.151 VTmag 12.240
E VTmag 0.165 Prox 999 TYC HIP
CCDM RAdeg 309.72764417 DEdeg 35.76276472 EpRA 1990 1.58
EpDE 1990 1.74 E RAdeg 80.7 E DEdeg 68.7 Posflg
Corr 0.1
 
 
20389+3546 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203854.52+354545.2 Mag 12.85 PmRA 2.00
PmDE -10.0 Calc delta mag 0.83 Calc coord yes