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Doubles in session


Current system
21177+3423
SLE 381


Nearby doubles
15' : 21186+3430
HU 769

18' : 21190+3418
COU 131

19' : 21180+3405
RAO 621

22' : 21159+3428
SLE 377

23' : 21192+3411
SLE 385

31' : 21185+3354
TDT2895

32' : 21179+3454
STT 433AB

33' : 21172+3351
SLE 379

34' : 21183+3456
BU 289AB

35' : 21173+3457
TDT2886

37' : 21206+3420
JNN 129

38' : 21177+3345
HO 153

38' : 21187+3348
HU 770

38' : 21146+3423
SLE 374

38' : 21181+3500
SLE 383

40' : 21149+3407
J 3129AB

42' : 21145+3437
HU 768

42' : 21143+3418
STTA216

47' : 21163+3339
ES 2317

47' : 21143+3402
GYL 49

48' : 21159+3340
GYL 52

51' : 21216+3409
RAO 452

54' : 21217+3436
COU1334

55' : 21150+3340
TDT2857

56' : 21156+3512
TDT2863

56' : 21134+3404
SLE 371



Selections
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Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

21177+3423 SLE 381

 
 
21h 17m 39.18s +34° 22' 37.8" P.A. 279.00 sep 9.6 mag 12.29,12.50
 
 
Coord 2000 21177+3423 Discov num SLE 381 Comp Coord arcsec 2000 21 17 39.18 +34 22 37.8
Date first 1934 Date last 2015 Obs 10
Pa first 277 Pa last 278.8 P.A. Now (θ) 278.8°
Sep first 9.4 Sep last 9.626 Sep. Now (ρ) 9.626"
Mag pri 12.29 Mag sec 12.50 delta mag (ΔM) 0.21 Spectral class
Pri motion ra +005 Sec motion ra +000
Pri motion dec -005 Sec motion dec -005
Notes
rPM=0.707
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2710-02486-1 Gaia DR2 1855298023590640128
 
 
WDS 21177+3423 SLE 381 : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sle1966 Mc j Soulie, G. 1966JO.....49..359S
Sle1966 +Pa J. Obs. 49, 359, 1966
Sle1983 Pa - Soulie, G. 1983A&AS...54..281S
Sle1983 A&AS 54, 281, 1983
Sle1984 Pa - Soulie, G. 1984A&AS...56..351S
Sle1984 A&AS 56, 351, 1984
Sle1985 Pa - Soulie, G. 1985A&AS...61...17S
Sle1985 A&AS 61, 17, 1985
Sle1986a Pa - Soulie, G. .
Sle1986a Bull. Inf. Cent. Donnes Stell. #30, 91, 1986
Sle1986b Pa - Soulie, G. .
Sle1986b Bull. Inf. Cent. Donnes Stell. #30, 103, 1986
Sle2003 C j Soulie, G. 2003O&T....56...10S
Sle2003 Obs. et Travaux 56, 10, 2003
Sle2006 Pa - Soulie, G. 2006O&T....62...26S
Sle2006 Obs. et Travaux 62, 26, 2006
Sle2006b Pa j Soulie, G. 2006O&T....63...15S
Sle2006b Obs. et Travaux 63, 15, 2006
Sle2007 C j Soulie, G. 2007O&T....65...34S
Sle2007 Obs. et Travaux 65, 34, 2007
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21177+3423 SLE 381 1998 4 279 9.6 12.29 12.50 D 211739.18+342237.8
21177+3423 SLE 381 2002 5 279 9.6 12.29 12.50 D 211739.18+342237.8
21177+3423 SLE 381 2010 6 279 8.2 12.29 12.50 211739.18+342237.8
21177+3423 SLE 381 2015 7 279 9.6 12.29 12.50 211739.18+342237.8

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

 
 
WDS 21177+3423 SLE 381 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21177+3423 SLE 381 : MEASURES
 
 
No records found.

 
 
WDS 21177+3423 : VIRTUAL EYEPIECE
 
 

21177+3423 SLE 381A mag 12.29 21177+3423 SLE 381B sep 8.0 P.A. 280.60 mag 12.5 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21177+3423 : ALADIN DSS IMAGE @ 21h 17m 39.18s +34° 22' 37.8"
 
 
 
 
WDS 21177+3423 SLE 381 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21177+3423 SLE 381 distance=0' 21186+3430 HU 769 distance=15' 21190+3418 COU 131 distance=18' 21180+3405 RAO 621 distance=19' 21159+3428 SLE 377 distance=22' 21192+3411 SLE 385 distance=23' 21185+3354 TDT2895 distance=31' 21179+3454 STT 433BC distance=32' 21179+3454 STT 433AB distance=32' 21179+3454 SLE 382AD distance=32' 21179+3454 STT 433AC distance=32' 21179+3454 BU 9011AE distance=32' 21172+3351 SLE 379 distance=33' 21183+3456 FYM 142DF distance=34' 21183+3456 FYM 142GH distance=34' 21183+3456 BU 289AB distance=34' 21183+3456 BU 289AC distance=34' 21183+3456 SLE 384AD distance=34' 21183+3456 FYM 142AE distance=34' 21183+3456 FYM 142AG distance=34' 21183+3456 FYM 142AF distance=34' 21183+3456 FYM 142AH distance=34' 21183+3456 FYM 142EI distance=35' 21173+3457 TDT2886 distance=35' 21206+3420 JNN 129 distance=37' 21177+3345 HO 153 distance=38' 21187+3348 HU 770 distance=38' 21146+3423 SLE 374 distance=38' 21181+3500 SLE 383 distance=38' 21149+3407 J 3129AB distance=40' 21149+3407 J 3129AC distance=40' 21145+3437 HU 768 distance=42' 21143+3418 STTA216 distance=42' 21163+3339 ES 2317 distance=47' 21143+3402 GYL 49 distance=47' 21159+3340 GYL 52 distance=48' 21216+3409 RAO 452 distance=51' 21217+3436 COU1334 distance=54' 21150+3340 TDT2857 distance=55' 21156+3512 TDT2863 distance=56' 21134+3404 SLE 371 distance=56' 21130+3430 TDT2831 distance=59' 21138+3500 J 3128AB distance=60' 21138+3500 J 3128AC distance=60' 21197+3518 SLE 386AB distance=61' 21197+3518 SLE 386AC distance=61' 21197+3518 SLE 386AD distance=61' 21140+3504 ES 2258 distance=62' 21143+3332 ES 2316 distance=65' 21139+3336 TDT2842 distance=66' 21145+3330 TDT2849 distance=66' 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 21177+3423 SLE 381 279 9.6
Show 21186+3430 HU 769 178 0.9 15
Show 21190+3418 COU 131 195 3.9 18
Show 21180+3405 RAO 621 293 1.1 19
Show 21159+3428 SLE 377 50 8.7 22
Show 21192+3411 SLE 385 175 12.8 23
Show 21185+3354 TDT2895 143 0.9 31
Show 21179+3454 STT 433 BC 141 13.2 32
Show 21179+3454 STT 433 AB 219 15.2 32
Show 21179+3454 SLE 382 AD 307 57.1 32
Show 21179+3454 STT 433 AC 184 22.1 32
Show 21179+3454 BU 9011 AE 67 34.4 32
Show 21172+3351 SLE 379 289 8.9 33
Show 21183+3456 FYM 142 DF 268 8.6 34
Show 21183+3456 FYM 142 GH 69 7.9 34
Show 21183+3456 BU 289 AB 128 0.8 34
Show 21183+3456 BU 289 AC 251 13.0 34
Show 21183+3456 SLE 384 AD 189 43.3 34
Show 21183+3456 FYM 142 AE 94 36.7 34
Show 21183+3456 FYM 142 AG 272 68.8 34
Show 21183+3456 FYM 142 AF 200 45.9 34
Show 21183+3456 FYM 142 AH 274 61.5 34
Show 21183+3456 FYM 142 EI 273 9.1 35
Show 21173+3457 TDT2886 82 0.5 35
Show 21206+3420 JNN 129 213 0.1 37
Show 21177+3345 HO 153 128 1.0 38
Show 21187+3348 HU 770 314 0.9 38
Show 21146+3423 SLE 374 2 5.2 38
Show 21181+3500 SLE 383 58 15.1 38
Show 21149+3407 J 3129 AB 323 4.7 40
Show 21149+3407 J 3129 AC 149 11.5 40
Show 21145+3437 HU 768 120 1.5 42
Show 21143+3418 STTA216 47 102.4 42
Show 21163+3339 ES 2317 310 10.7 47
Show 21143+3402 GYL 49 148 16.7 47
Show 21159+3340 GYL 52 62 29.0 48
Show 21216+3409 RAO 452 214 3.7 51
Show 21217+3436 COU1334 148 0.8 54
Show 21150+3340 TDT2857 288 0.5 55
Show 21156+3512 TDT2863 205 2.5 56
Show 21134+3404 SLE 371 270 12.6 56
Show 21130+3430 TDT2831 37 0.8 59
Show 21138+3500 J 3128 AB 51 5.0 60
Show 21138+3500 J 3128 AC 93 15.0 60
Show 21197+3518 SLE 386 AB 113 11.8 61
Show 21197+3518 SLE 386 AC 298 15.0 61
Show 21197+3518 SLE 386 AD 310 35.1 61
Show 21140+3504 ES 2258 178 3.0 62
Show 21143+3332 ES 2316 5.0 65
Show 21139+3336 TDT2842 185 1.8 66
Show 21145+3330 TDT2849 204 2.2 66

 
 
WDS 21177+3423 : COMPONENTS
 
 
  A
B pa=280.6°
sep=7.99"
 
 
21177+3423 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 211739.18+342237.8 Mag 12.29 PmRA 5.00
PmDE -5.0 Tycho2 2710-02486-1
Tycho2
Tycho2 2710-02486-1 Pflag RAmdeg 319.41327788 DEmdeg 34.37718179
PmRA 7.4 PmDE -4.4 E RAmdeg 107 E DEmdeg 105
E pmRA 4.2 E pmDE 4.3 EpRAm 1969.01 EpDEm 1974.76
Num 5 Q RAmdeg 0.4 Q DEmdeg 0.8 Q pmRA 0.4
Q pmDE 0.8 BTmag 12.905 E BTmag 0.168 VTmag 12.289
E VTmag 0.139 Prox 999 TYC HIP
CCDM RAdeg 319.41325778 DEdeg 34.37719306 EpRA 1990 1.54
EpDE 1990 1.64 E RAdeg 143.3 E DEdeg 127.7 Posflg
Corr 0.1
 
 
21177+3423 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 211738.55+342239.3 Mag 12.5 PmRA 0.00
PmDE -5.0 Calc delta mag 0.21 Calc coord yes