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Current system
20553+4231
STT 423
HD 199355


Nearby doubles
13' : 20550+4219
LDS2467

13' : 20553+4218
OSO 137AB

13' : 20556+4243
BRT2282

19' : 20569+4233
GRV 399

22' : 20547+4211
CVR 233

29' : 20568+4254
ENG 77AB

32' : 20534+4208
LDS2464

38' : 20530+4258
COU2542

39' : 20564+4308
COU2544

45' : 20513+4238
A 614

47' : 20511+4224
BRT2277

47' : 20584+4303
ES 1575

49' : 20590+4259
LDS2475

50' : 20598+4225
CLZ 78

51' : 20592+4257
ES 1576

52' : 20508+4238
LDS2457

52' : 20553+4322
LDS2468

53' : 20573+4319
ES 1450

54' : 20524+4314
LDS2462

54' : 20519+4309
GRV 389

55' : 20539+4139
BRT2280

56' : 20534+4139
ES 1574

61' : 20535+4328
LDS2465

61' : 20517+4317
LDS2461

62' : 20525+4138
LDS2463

64' : 20519+4140
COU2428



Selections
Full WDS
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.

20553+4231 STT 423 (HD 199355)

 
 
20h 55m 17.96s +42° 30' 48.6" P.A. 76.00 sep 2.7 mag 7.12,9.64 Sp B9 dist. 418.41 pc (1364.85 l.y.)
 
 
Coord 2000 20553+4231 Discov num STT 423 Comp Coord arcsec 2000 20 55 17.96 +42 30 48.6
Date first 1853 Date last 2016 Obs 21
Pa first 75 Pa last 76.1 P.A. Now (θ) 76.1°
Sep first 2.8 Sep last 2.73 Sep. Now (ρ) 2.73"
Mag pri 7.12 Mag sec 9.64 delta mag (ΔM) 2.52 Spectral class B9 (blue-white)
Pri motion ra +000 Sec motion ra
Pri motion dec +001 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 199355 Constellation Cygnus SAO 50226 HIP 103272
Tycho2 3175-00170-1 Gaia DR2 2065939093976320512 HD 199355 GC 29208
BD BD+41 3932 Distance 418.41 Distance ly 1364.85
 
 
WDS 20553+4231 STT 423 (HD 199355) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
STTA (O. Struve DD - Appendix list) ...................
Stt1864 Ma - Struve, O. 1864MNRAS..24..149S
Stt1864 MNRAS 24, 149, 1864
Stt1866 orb - Struve, O. .
Stt1866 Bull. Imp. Acad. Sci. St. Petersburg, 1866
Stt1874 orb - Struve, O. .
Stt1874 Compte Rendus 79, 1467, 1874
Stt1875 orb - Struve, O. 1875MNRAS..35..367S
Stt1875 MNRAS 35, 367, 1875
Stt1878 Ma - Struve, O. 1878ObPul...9....1S
Stt1878 Pulkova Observations 9, 1, 1878
Stt1879A Ma - Struve, O. 1879Obs.....2..304G
Stt1879A cited by Gledhill (Obs 2, 304, 1879)
Stt1879B Ma - Struve, O. 1879Obs.....3..245G
Stt1879B cited by Gledhill (Obs 3, 245, 1879)
Stt1879C Ma - Struve, O. 1879Obs.....2..344G
Stt1879C cited by Gledhill (Obs 2, 344, 1879)
Stt1880A Ma - Struve, O. 1880Obs.....2..605H
Stt1880A cited by Hunt (Obs. 3, 605, 1880)
Stt1880B Ma - Struve, O. 1880Obs.....3..535G
Stt1880B cited by Gledhill (Obs 3, 535, 1880)
Stt1880C Ma - Struve, O. 1880MNRAS..40..497B
Stt1880C cited by Burnham (MNRAS 40, 497, 1880)
Stt1884A Ma - Struve, O. 1884AReg...22..216S
Stt1884A cited by Sadler (Astr. Register 22, 216, 1884)
Stt1893a Ma j Struve, O. 1893ObPul..10....1S
Stt1893a Pulkova Obs. Observations 10, 1, 1893
Stt1906A Ma - Struve, O. 1906MmRAS..56....1L
Stt1906A cited by Lewis (MemRAS 56, 1, 1906)
Stt1906B Ma j Struve, O. 1906QB821.B972.....
Stt1906B cited in BDS (Burnham Double Star Cat., 1906)
Stt1908A Ma - Struve, O. 1908MNRAS..68..465B
Stt1908A cited by Barnard (MNRAS 68, 465, 1908)
Stt1913A Ma - Struve, O. 1913QB811.B8.......
Stt1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Stt1914A Ma - Struve, O. 1914AN....198..107R
Stt1914A cited by Rabe (AN 198, 107, 1914)
Stt1932A Ma - Struve, O. 1932QB821.A43......
Stt1932A cited in ADS (Aitken Double Star Cat., 1932)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20553+4231 STT 423 2001 17 78 2.7 7.12 9.64 B9 205517.96+423048.6
20553+4231 STT 423 2006 18 76 2.8 7.12 9.64 B9 205517.96+423048.6
20553+4231 STT 423 2011 20 76 2.8 7.12 9.64 B9 205517.96+423048.6
20553+4231 STT 423 2016 21 76 2.7 7.12 9.64 B9 205517.96+423048.6

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

 
 
WDS 20553+4231 STT 423 (HD 199355) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20553+4231 STT 423 (HD 199355) : MEASURES
 
 
No records found.

 
 
WDS 20553+4231 (HD 199355) : VIRTUAL EYEPIECE
 
 

20553+4231 STT 423A mag 7.12 Sp B9 20553+4231 STT 423B sep 2.1 P.A. 71.40 mag 9.64 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 20553+4231 (HD 199355) : ALADIN DSS IMAGE @ 20h 55m 17.96s +42° 30' 48.6"
 
 
 
 
WDS 20553+4231 STT 423 (HD 199355) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20553+4231 STT 423 distance=0' 20550+4219 LDS2467 distance=13' 20553+4218 OSO 137AB distance=13' 20553+4218 OSO 137AC distance=13' 20553+4218 OSO 137AD distance=13' 20553+4218 OSO 137AE distance=13' 20553+4218 OSO 137AF distance=13' 20553+4218 OSO 137AG distance=13' 20556+4243 BRT2282 distance=13' 20569+4233 GRV 399 distance=19' 20547+4211 CVR 233 distance=22' 20568+4254 ENG 77AB distance=29' 20568+4254 ENG 77AC distance=29' 20568+4254 ENG 77BC distance=29' 20568+4254 ENG 77CD distance=31' 20534+4208 LDS2464 distance=32' 20530+4258 COU2542 distance=38' 20564+4308 COU2544 distance=39' 20513+4238 A 614 distance=45' 20511+4224 BRT2277 distance=47' 20584+4303 ES 1575 distance=47' 20590+4259 LDS2475 distance=49' 20598+4225 CLZ 78 distance=50' 20592+4257 ES 1576 distance=51' 20508+4238 LDS2457 distance=52' 20553+4322 LDS2468 distance=52' 20573+4319 ES 1450 distance=53' 20524+4314 LDS2462 distance=54' 20519+4309 GRV 389 distance=54' 20539+4139 BRT2280 distance=55' 20534+4139 ES 1574 distance=56' 20535+4328 LDS2465 distance=61' 20517+4317 LDS2461 distance=61' 20525+4138 LDS2463 distance=62' 20519+4140 COU2428 distance=64' 20565+4333 BRT1139 distance=65' 20584+4326 ES 1451 distance=66' 20568+4335 BRT1957 distance=67' 20569+4122 LDS2471 distance=71' 20598+4321 LDS2479 distance=72' 20590+4330 LDS2476 distance=72' 20514+4134 LDS2460 distance=73' 20559+4345 COU2543 distance=74' 21015+4301 TDT2698 distance=75' 21022+4235 ES 1577 distance=77' 20539+4115 KPP1503 distance=78' 20585+4121 BLL 53 distance=78' 21024+4236 ES 1578 distance=79' 20555+4112 ES 1686 distance=79' 20510+4125 COU2427 distance=81' 20542+4111 ES 1684 distance=82' 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 20553+4231 STT 423 76 2.7
Show 20550+4219 LDS2467 193 20.0 13
Show 20553+4218 OSO 137 AB 116 10.8 13
Show 20553+4218 OSO 137 AC 225 11.6 13
Show 20553+4218 OSO 137 AD 276 14.3 13
Show 20553+4218 OSO 137 AE 295 14.9 13
Show 20553+4218 OSO 137 AF 137 16.8 13
Show 20553+4218 OSO 137 AG 346 25.0 13
Show 20556+4243 BRT2282 276 2.5 13
Show 20569+4233 GRV 399 6 64.8 19
Show 20547+4211 CVR 233 235 61.5 22
Show 20568+4254 ENG 77 AB 328 100.0 29
Show 20568+4254 ENG 77 AC 17 125.8 29
Show 20568+4254 ENG 77 BC 69 102.7 29
Show 20568+4254 ENG 77 CD 356 92.9 31
Show 20534+4208 LDS2464 331 43.8 32
Show 20530+4258 COU2542 199 0.1 38
Show 20564+4308 COU2544 160 0.4 39
Show 20513+4238 A 614 333 1.5 45
Show 20511+4224 BRT2277 230 4.2 47
Show 20584+4303 ES 1575 356 5.3 47
Show 20590+4259 LDS2475 90 12.2 49
Show 20598+4225 CLZ 78 347 38.2 50
Show 20592+4257 ES 1576 350 3.7 51
Show 20508+4238 LDS2457 106 5.1 52
Show 20553+4322 LDS2468 107 60.0 52
Show 20573+4319 ES 1450 162 4.7 53
Show 20524+4314 LDS2462 265 39.5 54
Show 20519+4309 GRV 389 190 61.9 54
Show 20539+4139 BRT2280 192 5.0 55
Show 20534+4139 ES 1574 158 1.4 56
Show 20535+4328 LDS2465 41 12.1 61
Show 20517+4317 LDS2461 217 32.6 61
Show 20525+4138 LDS2463 151 27.8 62
Show 20519+4140 COU2428 113 0.7 64
Show 20565+4333 BRT1139 175 3.6 65
Show 20584+4326 ES 1451 101 8.6 66
Show 20568+4335 BRT1957 177 1.1 67
Show 20569+4122 LDS2471 43 3.2 71
Show 20598+4321 LDS2479 287 2.0 72
Show 20590+4330 LDS2476 65 3.0 72
Show 20514+4134 LDS2460 195 8.4 73
Show 20559+4345 COU2543 222 1.6 74
Show 21015+4301 TDT2698 6 0.6 75
Show 21022+4235 ES 1577 41 5.8 77
Show 20539+4115 KPP1503 94 11.3 78
Show 20585+4121 BLL 53 352 169.0 78
Show 21024+4236 ES 1578 233 2.8 79
Show 20555+4112 ES 1686 196 7.7 79
Show 20510+4125 COU2427 312 0.5 81
Show 20542+4111 ES 1684 277 7.9 82

 
 
WDS 20553+4231 : COMPONENTS
 
 
  A
B pa=71.4°
sep=2.06"
 
 
20553+4231 A
 
 
Componente originario normalizzato AB Name HD 199355 Coord arcsec 2000 205517.96+423048.6 Mag 7.12
Spectral class B9 (blue-white) PmRA 0.00 PmDE 1.0 SAO 50226
HIP 103272 Tycho2 3175-00170-1 HD 199355 GC 29208
BD BD+41 3932
Tycho2
Tycho2 3175-00170-1 Pflag RAmdeg 313.82482000 DEmdeg 42.51348786
PmRA 0.0 PmDE 0.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.58 EpDEm 1991.69
Num 3 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.4 BTmag 7.006 E BTmag 0.015 VTmag 7.120
E VTmag 0.010 Prox 28 TYC T HIP 103272
CCDM A RAdeg 313.82482000 DEdeg 42.51348611 EpRA 1990 1.64
EpDE 1990 1.75 E RAdeg 3.8 E DEdeg 3.8 Posflg D
Corr 0.1
SAO
SAO 50226 DelFlag RA1950 PmRA1950 -0.0005
DE1950 PmDE1950 -0.001 Vmag 6.9 SpType B9
Double code Source 70 CatNum 29208 DM BD+41 3932
DMcomp BDsup HD 199355 M HD 0
GC 29208 RA1950rad 5.4693035 DE1950rad 0.73864956 PmRA2000 -0.0002
PmDE2000 -0.004
Hipparcos
Catalog H HIP 103272 Proxy H RAhms 20 55 17.96
DEdms +42 30 48.6 Vmag 7.03 VarFlag R Vmag H
RAdeg 313.825 DEdeg 42.5135 AstroRef A Plx 2.61
CCDM 20553+4231 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 77 Rho 2.766 HD 199355 BD BD+41 3932
CD CP Dm number +41 3932 VIred -0.11
SpType B9 R SpType Coord arcsec 2000 205517.96+423048.6
Hipparcos 2
HIP 103272 Sn 15 So 3 Nc 2
RArad 5.4772763877 DErad 0.7420003151 Plx 2.39 PmRA 5.48
PmDE -3.69 E RArad 0.4 E DErad 0.42 E Plx 0.53
E pmRA 0.47 E pmDE 0.48 Hpmag 7.0155 E Hpmag 0.001
SHp 0.009 VA 0 BV -0.071 E BV 0.007
VI -0.05
CCDM
Ccdm 20553+4231 RComp Comp A Note1
Note2 Discov num DRAs -0.10 DDEs -11.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp B9 PmNote *
PmRA -11 PmDE -1 Dm number +41 3932 Cat1 BD
Name2 +42 1947 Cat2 AGK2/3 HD 199355 M HD
ADS BDS A14432 M ADS BDS N IDS IDS 20516N4208A
HIC 103272
 
 
20553+4231 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 205518.14+423049.3 Mag 9.64 Calc delta mag 2.52
Calc coord yes
CCDM
Ccdm 20553+4231 RComp Comp B Note1
Note2 Discov num STT 423 DRAs DDEs
R dRAs Year 1853 Theta 080 Rho 2.9
Obs 10 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14432 M ADS BDS N IDS IDS 20516N4208B
HIC 103272