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Current system
21179+3454
STT 433 AC


Nearby doubles
6' : 21183+3456
BU 289AB

7' : 21181+3500
SLE 383

9' : 21173+3457
TDT2886

25' : 21186+3430
HU 769

32' : 21177+3423
SLE 381

33' : 21197+3518
SLE 386AB

35' : 21156+3512
TDT2863

36' : 21159+3428
SLE 377

38' : 21171+3530
SLE 378

39' : 21190+3418
COU 131

46' : 21145+3437
HU 768

47' : 21192+3411
SLE 385

48' : 21206+3420
JNN 129

50' : 21214+3517
GRV 454

50' : 21180+3405
RAO 621

50' : 21140+3504
ES 2258

51' : 21203+3535
TDT2911

52' : 21138+3500
J 3128AB

52' : 21146+3423
SLE 374

52' : 21217+3436
COU1334

54' : 21147+3529
TDT2852

54' : 21171+3546
BU 162AB

54' : 21139+3513
TDT2841

58' : 21143+3418
STTA216

59' : 21218+3528
TDT2923

59' : 21225+3509
POP 50



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

21179+3454 STT 433 AC

 
 
21h 17m 55.07s +34° 53' 48.8" P.A. 184.00 sep 22.1 mag 4.36,9.95 Sp B2Vne dist. 196.85 pc (642.12 l.y.)
 
 
Coord 2000 21179+3454 Discov num STT 433 Comp AC Coord arcsec 2000 21 17 55.07 +34 53 48.8
Date first 1827 Date last 2015 Obs 25
Pa first 180 Pa last 183.6 P.A. Now (θ) 183.6°
Sep first 30.0 Sep last 22.074 Sep. Now (ρ) 22.074"
Mag pri 4.36 Mag sec 9.95 delta mag (ΔM) 5.59 Spectral class B2Vne (blue-white)
Pri motion ra +014 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
21179+3454 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Ups Cyg 71173 21 17 55 +34 53 49 STT 433 AB 2015 22 219 15.2 4.36 10.80 6.44
Show 71173 21 17 55 +34 53 49 STT 433 AC 2015 25 184 22.1 4.36 9.95 5.59 <===
Show 71173 21 17 55 +34 53 49 SLE 382 AD 2015 7 307 57.1 4.36 13.10 8.74
Show 71173 21 17 55 +34 53 49 BU 9011 AE 2015 5 67 34.4 4.36 13.70 9.34
Show 71173 21 17 54 +34 53 37 STT 433 BC 2015 20 141 13.2 10.80 9.95 0.85
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 71173 HIP 105138 Tycho2 2710-02647-1
Gaia DR2 1867360078463936512 HD 202904 HR 8146 GC 29802
ADS 14831 BD BD+34 4371 Bayer Upsilon Cygni Bayer name Ups Cyg
Flamsteed 66 Cygni Flamsteed name 66 Cyg FK5 1559 Distance 196.85
Distance ly 642.12 Bayer greek υ Cyg
 
 
WDS 21179+3454 STT 433 AC : NOTES
 
 
discov_num notes refcode
STT 433 AB: ups Cyg = 66 Cyg. Burnham refers to a star twice the distance of C Bu_1906
in 60@. A Variable?
BC: Hipparcos acceleration double solution.
 
 
REFERENCES
 
 
refcode metd author reference
Bu_1906 Ma j Burnham, S.W. 1906QB821.B972.....
Bu_1906 +M Burnham Double Star Cat., 1906
 
 
DISCOVERER
 
 
discov author
BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21179+3454 STT 433 AC 2008 18 184 21.7 4.36 9.95 B2Vne N D 211755.07+345348.8
21179+3454 STT 433 AC 2012 23 181 21.2 4.36 9.95 B2Vne N D 211755.07+345348.8
21179+3454 STT 433 AC 2015 24 184 22.1 4.36 9.95 B2Vne N 211755.07+345348.8

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

 
 
WDS 21179+3454 STT 433 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21179+3454 STT 433 AC : MEASURES
 
 
No records found.

 
 
WDS 21179+3454 : VIRTUAL EYEPIECE
 
 

21179+3454 STT 433A mag 4.36 Sp B2Vne 21179+3454 STT 433B sep 15.1 P.A. 219.40 mag 10.8 Sp F8III: 21179+3454 STT 433C sep 22.1 P.A. 183.60 mag 9.95 21179+3454 SLE 382D sep 57.1 P.A. 307.00 mag 13.1 21179+3454 BU 9011E sep 34.4 P.A. 67.40 mag 13.7 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21179+3454 : ALADIN DSS IMAGE @ 21h 17m 55.07s +34° 53' 48.8"
 
 
 
 
WDS 21179+3454 STT 433 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21179+3454 STT 433AC distance=0' 21179+3454 STT 433BC distance=1' 21183+3456 FYM 142GH distance=5' 21183+3456 FYM 142DF distance=5' 21183+3456 BU 289AB distance=6' 21183+3456 BU 289AC distance=6' 21183+3456 SLE 384AD distance=6' 21183+3456 FYM 142AE distance=6' 21183+3456 FYM 142AG distance=6' 21183+3456 FYM 142AF distance=6' 21183+3456 FYM 142AH distance=6' 21183+3456 FYM 142EI distance=6' 21181+3500 SLE 383 distance=7' 21173+3457 TDT2886 distance=9' 21186+3430 HU 769 distance=25' 21177+3423 SLE 381 distance=32' 21197+3518 SLE 386AB distance=33' 21197+3518 SLE 386AC distance=33' 21197+3518 SLE 386AD distance=33' 21156+3512 TDT2863 distance=35' 21159+3428 SLE 377 distance=36' 21171+3530 SLE 378 distance=38' 21190+3418 COU 131 distance=39' 21145+3437 HU 768 distance=46' 21192+3411 SLE 385 distance=47' 21206+3420 JNN 129 distance=48' 21214+3517 GRV 454 distance=50' 21180+3405 RAO 621 distance=50' 21140+3504 ES 2258 distance=50' 21203+3535 TDT2911 distance=51' 21138+3500 J 3128AB distance=52' 21138+3500 J 3128AC distance=52' 21146+3423 SLE 374 distance=52' 21217+3436 COU1334 distance=52' 21147+3529 TDT2852 distance=54' 21171+3546 BU 162AB distance=54' 21171+3546 BU 162AC distance=54' 21139+3513 TDT2841 distance=54' 21143+3418 STTA216 distance=58' 21218+3528 TDT2923 distance=59' 21225+3509 POP 50 distance=59' 21161+3548 SEI1483 distance=59' 21221+3525 ES 2259 distance=60' 21152+3544 SEI1475 distance=61' 21185+3354 TDT2895 distance=61' 21219+3530 TDT2925 distance=61' 21229+3459 TDT2934 distance=62' 21149+3407 J 3129AB distance=62' 21149+3407 J 3129AC distance=62' 21216+3409 RAO 452 distance=64' 21172+3351 SLE 379 distance=64' 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 21179+3454 STT 433 AB 219 15.2 0
Show 21179+3454 SLE 382 AD 307 57.1 0
Show 21179+3454 STT 433 AC 184 22.1 0
Show 21179+3454 BU 9011 AE 67 34.4 0
Show 21179+3454 STT 433 BC 141 13.2 1
Show 21183+3456 FYM 142 GH 69 7.9 5
Show 21183+3456 FYM 142 DF 268 8.6 5
Show 21183+3456 BU 289 AB 128 0.8 6
Show 21183+3456 BU 289 AC 251 13.0 6
Show 21183+3456 SLE 384 AD 189 43.3 6
Show 21183+3456 FYM 142 AE 94 36.7 6
Show 21183+3456 FYM 142 AG 272 68.8 6
Show 21183+3456 FYM 142 AF 200 45.9 6
Show 21183+3456 FYM 142 AH 274 61.5 6
Show 21183+3456 FYM 142 EI 273 9.1 6
Show 21181+3500 SLE 383 58 15.1 7
Show 21173+3457 TDT2886 82 0.5 9
Show 21186+3430 HU 769 178 0.9 25
Show 21177+3423 SLE 381 279 9.6 32
Show 21197+3518 SLE 386 AB 113 11.8 33
Show 21197+3518 SLE 386 AC 298 15.0 33
Show 21197+3518 SLE 386 AD 310 35.1 33
Show 21156+3512 TDT2863 205 2.5 35
Show 21159+3428 SLE 377 50 8.7 36
Show 21171+3530 SLE 378 27 11.3 38
Show 21190+3418 COU 131 195 3.9 39
Show 21145+3437 HU 768 120 1.5 46
Show 21192+3411 SLE 385 175 12.8 47
Show 21206+3420 JNN 129 213 0.1 48
Show 21214+3517 GRV 454 168 48.6 50
Show 21180+3405 RAO 621 293 1.1 50
Show 21140+3504 ES 2258 178 3.0 50
Show 21203+3535 TDT2911 102 1.5 51
Show 21138+3500 J 3128 AB 51 5.0 52
Show 21138+3500 J 3128 AC 93 15.0 52
Show 21146+3423 SLE 374 2 5.2 52
Show 21217+3436 COU1334 148 0.8 52
Show 21147+3529 TDT2852 79 1.4 54
Show 21171+3546 BU 162 AB 253 1.2 54
Show 21171+3546 BU 162 AC 131 15.6 54
Show 21139+3513 TDT2841 302 1.9 54
Show 21143+3418 STTA216 48 102.8 58
Show 21218+3528 TDT2923 79 1.4 59
Show 21225+3509 POP 50 29 7.1 59
Show 21161+3548 SEI1483 206 10.2 59
Show 21221+3525 ES 2259 245 4.3 60
Show 21152+3544 SEI1475 266 5.5 61
Show 21185+3354 TDT2895 143 0.9 61
Show 21219+3530 TDT2925 228 2.6 61
Show 21229+3459 TDT2934 304 1.0 62
Show 21149+3407 J 3129 AB 323 4.7 62

 
 
WDS 21179+3454 : COMPONENTS
 
 
  A B C D
B pa=219.4°
sep=15.13"
 
C pa=183.6°
sep=22.07"
pa=141.5°
sep=13.20"
 
D pa=307.0°
sep=57.09"
pa=322.0°
sep=58.46"
pa=321.9°
sep=71.66"
 
E pa=67.4°
sep=34.41"
pa=58.9°
sep=48.29"
pa=43.2°
sep=48.39"
pa=105.3°
sep=80.20"
 
 
21179+3454 A
 
 
Name Ups Cyg Coord arcsec 2000 211755.07+345348.8 Mag 4.36 Spectral class B2Vne (blue-white)
PmRA 14.00 PmDE -2.0 SAO 71173 HIP 105138
Tycho2 2710-02647-1 HD 202904 HR 8146 GC 29802
BD BD+34 4371 Bayer Upsilon Cygni Bayer name Ups Cyg Flamsteed 66 Cygni
Flamsteed name 66 Cyg FK5 1559
Tycho2
Tycho2 2710-02647-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 4.240 E BTmag 0.014 VTmag 4.361
E VTmag 0.009 Prox 218 TYC T HIP 105138
CCDM RAdeg 319.47945056 DEdeg 34.89688250 EpRA 1990 1.65
EpDE 1990 1.66 E RAdeg 3.2 E DEdeg 3.1 Posflg
Corr 0.2
SAO
SAO 71173 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 0 Vmag 4.4 SpType B3p
Double code Source 74 CatNum 1559 DM BD+34 4371
DMcomp BDsup HD 202904 M HD 0
GC 29802 RA1950rad 5.56698616 DE1950rad 0.60538621 PmRA2000 0.0011
PmDE2000 -0.003
Hipparcos
Catalog H HIP 105138 Proxy RAhms 21 17 55.07
DEdms +34 53 48.8 Vmag 4.41 VarFlag 2 R Vmag H
RAdeg 319.479 DEdeg 34.8969 AstroRef Plx 3.62
CCDM 11.96 N CCDM I Nsys 1 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD BD BD+34 4371
CD CP Dm number +34 4371 VIred -0.1
SpType B2Vne R SpType Coord arcsec 2000 211755.07+345348.8
Hipparcos 2
HIP 105138 Sn 1 So 1 Nc 1
RArad 5.5759682894 DErad 0.6090654747 Plx 5.08 PmRA 10.03
PmDE 6.49 E RArad 0.3 E DErad 0.36 E Plx 0.55
E pmRA 0.33 E pmDE 0.38 Hpmag E Hpmag 0.0037
SHp 0.107 VA 2 BV -0.103 E BV 0.009
VI -0.09
CCDM
Ccdm 21179+3454 RComp Comp A Note1
Note2 Discov num DRAs 1.05 DDEs -11.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 4.4 Sp B3 PmNote *
PmRA 11 PmDE 0 Dm number +34 4371 Cat1 BD
Name2 +34 2160 Cat2 AGK2/3 HD 202904 M HD
ADS BDS A14831 M ADS BDS N IDS IDS 21138N3429A
HIC 105138
 
 
21179+3454 B
 
 
Coord arcsec 2000 211754.29+345337.1 Coord calc 211754.29+345337.1 Mag 10.8 Spectral class F8III: (yellow-white)
PmRA 14.00 PmDE 3.0 Delta magnitude 6.44
CCDM
Ccdm 21179+3454 RComp Comp B Note1
Note2 Discov num STT 433 DRAs DDEs
R dRAs Year 1849 Theta 220 Rho 15.1
Obs 10 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14831 M ADS BDS N IDS IDS 21138N3429B
HIC
 
 
21179+3454 C
 
 
Coord arcsec 2000 211754.96+345326.8 Mag 9.95 Delta magnitude 5.59 Coordinate calculated yes
CCDM
Ccdm 21179+3454 RComp Comp C Note1
Note2 Discov num STT 433 DRAs DDEs
R dRAs Year 1958 Theta 181 Rho 21.5
Obs 10 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14831 M ADS BDS N N IDS IDS 21138N3429C
HIC
 
 
21179+3454 D
 
 
Coord arcsec 2000 211751.36+345423.2 Mag 13.1 PmRA -8.00 PmDE -8.0
Delta magnitude 8.74 Coordinate calculated yes
 
 
21179+3454 E
 
 
Coord arcsec 2000 211757.65+345402.0 Mag 13.7 Delta magnitude 9.34 Coordinate calculated yes