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Current system
21020+3331
TDT 2705


Nearby doubles
15' : 21011+3324
GYL 45

19' : 21013+3314
CRC 39

19' : 21011+3315
LDS1049AB

19' : 21013+3315
CRC 75

24' : 21038+3338
ROE 52

28' : 21007+3353
BUP 222AB

35' : 21046+3345
CXT 1

38' : 21024+3409
GYL 29

40' : 20592+3314
COU1637

43' : 21020+3249
ES 2358

45' : 21004+3411
BU 1329AB

45' : 21021+3246
ES 2357

45' : 20590+3307
TDT2673

46' : 21056+3327
GRV 415

47' : 21056+3346
TDS1115

48' : 20584+3344
COU1635

54' : 20578+3321
TDT2661

58' : 21057+3407
TOB 210

60' : 21004+3426
FAR 1

61' : 20586+3249
TDT2668

61' : 21066+3309
COU1329

64' : 20576+3301
TDT2660

64' : 21069+3313
TDT2760

66' : 21007+3227
CVE 26

67' : 21056+3421
TDS1114

68' : 21009+3225
CVE 27AB



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

21020+3331 TDT 2705

 
 
21h 02m 02.56s +33° 30' 52.6" P.A. 169.00 sep 0.6 mag 11.49,11.50
 
 
Coord 2000 21020+3331 Discov num TDT2705 Comp Coord arcsec 2000 21 02 02.56 +33 30 52.6
Date first 1991 Date last 1991 Obs 1
Pa first 169 Pa last 168.6 P.A. Now (θ) 168.6°
Sep first 0.6 Sep last 0.63 Sep. Now (ρ) 0.63"
Mag pri 11.49 Mag sec 11.50 delta mag (ΔM) 0.01 Spectral class
Pri motion ra +009 Sec motion ra +009
Pri motion dec -008 Sec motion dec -008
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2705-00302-1 Gaia DR2 1866228268674989184
 
 
WDS 21020+3331 TDT 2705 : 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
21020+3331 TDT2705 1991 1 169 0.6 11.49 11.50 210202.56+333052.6

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

 
 
WDS 21020+3331 TDT 2705 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21020+3331 TDT 2705 : MEASURES
 
 
No records found.

 
 
WDS 21020+3331 : VIRTUAL EYEPIECE
 
 

21020+3331 TDT2705A mag 11.49 21020+3331 TDT2705B sep 0.6 P.A. 170.50 mag 11.5 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 21020+3331 : ALADIN DSS IMAGE @ 21h 02m 02.56s +33° 30' 52.6"
 
 
 
 
WDS 21020+3331 TDT 2705 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21020+3331 TDT2705 distance=0' 21011+3324 GYL 45 distance=15' 21013+3314 CRC 39 distance=19' 21011+3315 JNN 288BC distance=19' 21011+3315 LDS1049AB distance=19' 21011+3315 LDT 18AD distance=19' 21013+3315 CRC 75 distance=19' 21038+3338 ROE 52 distance=24' 21007+3353 BUP 222AB distance=28' 21007+3353 BUP 222AC distance=28' 21007+3353 BUP 222AD distance=28' 21007+3353 BUP 222AE distance=28' 21007+3353 OSO 138AH distance=28' 21007+3353 OSO 138AI distance=28' 21007+3353 BUP 222AJ distance=28' 21007+3353 ACA 9AK distance=28' 21007+3353 ACA 9AL distance=28' 21007+3353 ACA 9AM distance=28' 21007+3353 FYM 196AN distance=28' 21007+3353 FYM 196AO distance=28' 21046+3345 CXT 1 distance=35' 21024+3409 GYL 29 distance=38' 20592+3314 COU1637 distance=40' 21050+3347 KPP2494BC distance=41' 21020+3249 ES 2358 distance=43' 21004+3411 BU 1329AB distance=45' 21004+3411 BU 1329AB,C distance=45' 21021+3246 ES 2357 distance=45' 20590+3307 TDT2673 distance=45' 21056+3327 GRV 415 distance=46' 21056+3346 TDS1115 distance=47' 20584+3344 COU1635 distance=48' 20578+3321 TDT2661 distance=54' 21057+3407 TOB 210 distance=58' 21004+3426 FAR 1 distance=60' 20586+3249 TDT2668 distance=61' 21066+3309 COU1329 distance=61' 20576+3301 TDT2660 distance=64' 21069+3313 TDT2760 distance=64' 21007+3227 CVE 26 distance=66' 21056+3421 TDS1114 distance=67' 21009+3225 CVE 27AB distance=68' 20568+3348 COU1812AB distance=68' 20568+3348 DAM 220AB,C distance=68' 21009+3224 TDT2694 distance=69' 20592+3231 TDT2675 distance=70' 20593+3430 POP 28 distance=70' 21068+3408 STF2760AB distance=70' 21068+3408 STF2760AC distance=70' 21068+3408 WAL 136AD distance=70' 21068+3408 FYM 123AE distance=70' 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 21020+3331 TDT2705 169 0.6
Show 21011+3324 GYL 45 205 10.1 15
Show 21013+3314 CRC 39 63 10.1 19
Show 21011+3315 JNN 288 BC 34 0.1 19
Show 21011+3315 LDS1049 AB 95 56.6 19
Show 21011+3315 LDT 18 AD 355 0.3 19
Show 21013+3315 CRC 75 6 0.2 19
Show 21038+3338 ROE 52 79 6.5 24
Show 21007+3353 BUP 222 AB 317 12.5 28
Show 21007+3353 BUP 222 AC 5 118.0 28
Show 21007+3353 BUP 222 AD 268 18.1 28
Show 21007+3353 BUP 222 AE 89 813.7 28
Show 21007+3353 OSO 138 AH 166 19.1 28
Show 21007+3353 OSO 138 AI 121 31.9 28
Show 21007+3353 BUP 222 AJ 271 944.5 28
Show 21007+3353 ACA 9 AK 50 59.5 28
Show 21007+3353 ACA 9 AL 311 69.2 28
Show 21007+3353 ACA 9 AM 200 80.8 28
Show 21007+3353 FYM 196 AN 93 23.6 28
Show 21007+3353 FYM 196 AO 346 10.4 28
Show 21046+3345 CXT 1 178 7.7 35
Show 21024+3409 GYL 29 178 14.3 38
Show 20592+3314 COU1637 359 0.1 40
Show 21050+3347 KPP2494 BC 283 22.3 41
Show 21020+3249 ES 2358 196 5.4 43
Show 21004+3411 BU 1329 AB 39 0.3 45
Show 21004+3411 BU 1329 AB,C 30 6.8 45
Show 21021+3246 ES 2357 334 9.2 45
Show 20590+3307 TDT2673 158 0.6 45
Show 21056+3327 GRV 415 215 21.8 46
Show 21056+3346 TDS1115 51 0.9 47
Show 20584+3344 COU1635 232 1.6 48
Show 20578+3321 TDT2661 208 0.6 54
Show 21057+3407 TOB 210 60 19.1 58
Show 21004+3426 FAR 1 104 46.4 60
Show 20586+3249 TDT2668 120 0.7 61
Show 21066+3309 COU1329 80 1.3 61
Show 20576+3301 TDT2660 123 0.5 64
Show 21069+3313 TDT2760 150 4.1 64
Show 21007+3227 CVE 26 164 3.2 66
Show 21056+3421 TDS1114 258 0.8 67
Show 21009+3225 CVE 27 AB 240 3.6 68
Show 20568+3348 COU1812 AB 105 1.1 68
Show 20568+3348 DAM 220 AB,C 193 7.6 68
Show 21009+3224 TDT2694 148 10.2 69
Show 20592+3231 TDT2675 207 2.0 70
Show 20593+3430 POP 28 5 2.9 70
Show 21068+3408 STF2760 AB 33 5.6 70
Show 21068+3408 STF2760 AC 150 57.4 70
Show 21068+3408 WAL 136 AD 9 30.7 70
Show 21068+3408 FYM 123 AE 211 27.0 70

 
 
WDS 21020+3331 : COMPONENTS
 
 
  A
B pa=170.5°
sep=0.63"
 
 
21020+3331 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 210202.56+333052.6 Mag 11.49 PmRA 9.00
PmDE -8.0 Tycho2 2705-00302-1
Tycho2
Tycho2 2705-00302-1 Pflag RAmdeg 315.51068116 DEmdeg 33.51453296
PmRA 9.1 PmDE -7.6 E RAmdeg 23 E DEmdeg 21
E pmRA 2.1 E pmDE 2.1 EpRAm 1988.11 EpDEm 1989.49
Num 5 Q RAmdeg 2.5 Q DEmdeg 1.0 Q pmRA 2.4
Q pmDE 1.0 BTmag 11.258 E BTmag 0.042 VTmag 10.805
E VTmag 0.042 Prox 999 TYC T HIP
CCDM RAdeg 315.51066000 DEdeg 33.51454833 EpRA 1990 1.67
EpDE 1990 1.78 E RAdeg 27.2 E DEdeg 23.1 Posflg
Corr 0.1
 
 
21020+3331 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 210202.57+333052.0 Mag 11.5 PmRA 9.00
PmDE -8.0 Calc delta mag 0.01 Calc coord yes