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Doubles in session


Current system
20388+5447
STI 2550


Nearby doubles
6' : 20385+5453
STI2548

7' : 20396+5450
ES 993

16' : 20375+5437
STI2546

22' : 20376+5429
KPP2376

24' : 20414+5454
TDS1090

24' : 20368+5431
TDT2419

25' : 20402+5427
A 1682

25' : 20369+5429
STI2545

26' : 20411+5504
TDS1089

29' : 20358+5435
ES 991AB

30' : 20400+5515
HJ 1562AB

32' : 20421+5436
ES 994

33' : 20354+5435
STI2543

35' : 20380+5522
STI2547

38' : 20403+5413
OSO 129AB

43' : 20351+5524
STI2542

50' : 20443+5457
TDT2508

50' : 20419+5529
TDT2477

52' : 20433+5521
LLO 1

56' : 20448+5430
TOI1356

57' : 20331+5420
STI2539

59' : 20377+5351
A 1681AB

71' : 20315+5520
TDS1079

71' : 20306+5439
MLR 589

72' : 20365+5557
VBS 30AB

73' : 20312+5519
A 1678



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

20388+5447 STI 2550

 
 
20h 38m 45.58s +54° 47' 54.8" P.A. 183.00 sep 12.4 mag 11.38,13.20
 
 
Coord 2000 20388+5447 Discov num STI2550 Comp Coord arcsec 2000 20 38 45.58 +54 47 54.8
Date first 1905 Date last 2015 Obs 9
Pa first 183 Pa last 182.8 P.A. Now (θ) 182.8°
Sep first 11.9 Sep last 12.38 Sep. Now (ρ) 12.38"
Mag pri 11.38 Mag sec 13.20 delta mag (ΔM) 1.82 Spectral class
Pri motion ra -004 Sec motion ra -005
Pri motion dec -006 Sec motion dec -009
Notes
rPM=0.307
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 3954-01056-1 Gaia DR2 2183578694900392448
 
 
WDS 20388+5447 STI 2550 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sti Stein, J. (see Vat1926) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20388+5447 STI2550 1999 2 183 12.4 11.38 13.20 D 203845.58+544754.8
20388+5447 STI2550 2003 3 183 12.4 11.38 13.20 D 203845.58+544754.8
20388+5447 STI2550 2010 4 182 12.4 11.38 13.20 203845.58+544754.8
20388+5447 STI2550 2015 5 183 12.4 11.38 13.20 203845.58+544754.8

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

 
 
WDS 20388+5447 STI 2550 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20388+5447 STI 2550 : MEASURES
 
 
No records found.

 
 
WDS 20388+5447 : VIRTUAL EYEPIECE
 
 

20388+5447 STI2550A mag 11.38 20388+5447 STI2550B sep 12.4 P.A. 181.60 mag 13.2 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 20388+5447 : ALADIN DSS IMAGE @ 20h 38m 45.58s +54° 47' 54.8"
 
 
 
 
WDS 20388+5447 STI 2550 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20388+5447 STI2550 distance=0' 20385+5453 STI2548 distance=6' 20396+5450 ES 993 distance=7' 20375+5437 STI2546 distance=16' 20376+5429 KPP2376 distance=22' 20414+5454 TDS1090 distance=24' 20368+5431 TDT2419 distance=24' 20402+5427 A 1682 distance=25' 20369+5429 STI2545 distance=25' 20411+5504 TDS1089 distance=26' 20358+5435 ES 991CD distance=29' 20358+5435 ES 991AB distance=29' 20358+5435 ES 991AC distance=29' 20400+5515 HJ 1562AB distance=30' 20400+5515 VBS 31AC distance=30' 20421+5436 ES 994 distance=32' 20354+5435 STI2543 distance=33' 20380+5522 STI2547 distance=35' 20403+5413 OSO 129AB distance=38' 20403+5413 OSO 129AC distance=38' 20403+5413 OSO 129AD distance=38' 20403+5413 OSO 129AE distance=38' 20351+5524 STI2542 distance=43' 20443+5457 TDT2508 distance=50' 20419+5529 TDT2477 distance=50' 20433+5521 LLO 1 distance=52' 20448+5430 TOI1356 distance=56' 20331+5420 STI2539 distance=57' 20377+5351 A 1681AB distance=59' 20377+5351 A 1681AC distance=59' 20315+5520 TDS1079 distance=71' 20306+5439 MLR 589 distance=71' 20365+5557 VBS 30AB distance=72' 20365+5557 HJ 1556AC distance=72' 20365+5557 VBS 30AD distance=72' 20312+5519 A 1678 distance=73' 20455+5401 HLD 41AB distance=76' 20455+5401 HLD 41AC distance=76' 20298+5436 STI2536 distance=79' 20422+5606 OSW 74 distance=84' 20474+5407 ES 997 distance=86' 20301+5407 TDS1077 distance=87' 20404+5615 OSW 73 distance=89' 20424+5611 VKI 47 distance=89' 20284+5430 STF2693 distance=92' 20443+5610 A 1684 distance=95' 20278+5456 TDT2293 distance=96' 20281+5513 STI2533 distance=96' 20337+5616 HJ 1545 distance=98' 20352+5622 HJ 1552 distance=99' 20475+5553 HJ 1580 distance=100' 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 20388+5447 STI2550 183 12.4
Show 20385+5453 STI2548 168 13.8 6
Show 20396+5450 ES 993 194 2.0 7
Show 20375+5437 STI2546 38 8.9 16
Show 20376+5429 KPP2376 92 20.5 22
Show 20414+5454 TDS1090 226 1.0 24
Show 20368+5431 TDT2419 80 0.8 24
Show 20402+5427 A 1682 49 1.4 25
Show 20369+5429 STI2545 159 3.2 25
Show 20411+5504 TDS1089 252 1.4 26
Show 20358+5435 ES 991 CD 120 2.6 29
Show 20358+5435 ES 991 AB 297 15.9 29
Show 20358+5435 ES 991 AC 106 61.7 29
Show 20400+5515 HJ 1562 AB 167 21.7 30
Show 20400+5515 VBS 31 AC 13 45.6 30
Show 20421+5436 ES 994 11 4.7 32
Show 20354+5435 STI2543 208 3.2 33
Show 20380+5522 STI2547 86 2.5 35
Show 20403+5413 OSO 129 AB 141 10.8 38
Show 20403+5413 OSO 129 AC 115 17.1 38
Show 20403+5413 OSO 129 AD 143 19.9 38
Show 20403+5413 OSO 129 AE 70 19.7 38
Show 20351+5524 STI2542 337 5.5 43
Show 20443+5457 TDT2508 82 0.8 50
Show 20419+5529 TDT2477 266 1.2 50
Show 20433+5521 LLO 1 20 0.1 52
Show 20448+5430 TOI1356 289 0.3 56
Show 20331+5420 STI2539 255 10.1 57
Show 20377+5351 A 1681 AB 209 4.4 59
Show 20377+5351 A 1681 AC 339 56.9 59
Show 20315+5520 TDS1079 126 0.9 71
Show 20306+5439 MLR 589 310 1.6 71
Show 20365+5557 VBS 30 AB 141 4.6 72
Show 20365+5557 HJ 1556 AC 222 6.6 72
Show 20365+5557 VBS 30 AD 97 29.6 72
Show 20312+5519 A 1678 351 2.4 73
Show 20455+5401 HLD 41 AB 225 3.7 76
Show 20455+5401 HLD 41 AC 262 9.6 76
Show 20298+5436 STI2536 91 7.5 79
Show 20422+5606 OSW 74 88 127.2 84
Show 20474+5407 ES 997 274 3.3 86
Show 20301+5407 TDS1077 12 1.0 87
Show 20404+5615 OSW 73 250 188.6 89
Show 20424+5611 VKI 47 340 2.3 89
Show 20284+5430 STF2693 12 13.7 92
Show 20443+5610 A 1684 141 2.1 95
Show 20278+5456 TDT2293 261 0.8 96
Show 20281+5513 STI2533 198 10.0 96
Show 20337+5616 HJ 1545 180 15.5 98
Show 20352+5622 HJ 1552 234 21.3 99
Show 20475+5553 HJ 1580 245 10.9 100

 
 
WDS 20388+5447 : COMPONENTS
 
 
  A
B pa=181.6°
sep=12.37"
 
 
20388+5447 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 203845.58+544754.8 Mag 11.38 PmRA -4.00
PmDE -6.0 Tycho2 3954-01056-1
Tycho2
Tycho2 3954-01056-1 Pflag RAmdeg 309.68993427 DEmdeg 54.79857797
PmRA -5.3 PmDE -10.0 E RAmdeg 91 E DEmdeg 64
E pmRA 2.7 E pmDE 2.5 EpRAm 1970.20 EpDEm 1977.07
Num 5 Q RAmdeg 0.3 Q DEmdeg 0.5 Q pmRA 0.3
Q pmDE 0.4 BTmag 11.662 E BTmag 0.070 VTmag 11.378
E VTmag 0.084 Prox 999 TYC T HIP
CCDM RAdeg 309.68992083 DEdeg 54.79856417 EpRA 1990 1.66
EpDE 1990 1.67 E RAdeg 180.4 E DEdeg 186.5 Posflg
Corr -0.1
 
 
20388+5447 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 203845.54+544742.4 Mag 13.2 PmRA -5.00
PmDE -9.0 Calc delta mag 1.82 Calc coord yes