21115+4115 STT 431 BC

 
 
21h 11m 31.08s +41° 14' 27.1" P.A. 354.00 sep 57.1 mag 8.99,11.99 Sp F8 dist. 102.88 pc (335.59 l.y.)
 
 
Coord 2000 21115+4115 Discov num STT 431 Comp BC Coord arcsec 2000 21 11 31.08 +41 14 27.1
Date first 1893 Date last 2015 Obs 8
Pa first 352 Pa last 353.6 P.A. Now (θ) 353.6°
Sep first 51.2 Sep last 57.118 Sep. Now (ρ) 57.118"
Mag pri 8.99 Mag sec 11.99 delta mag (ΔM) 3 Spectral class F8 (yellow-white)
Pri motion ra -013 Sec motion ra -005
Pri motion dec -055 Sec motion dec -002
Notes
rPM=0.948
This double is not physical.
 
 
21115+4115 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201936 21 11 31 +41 14 29 STT 431 AB 2018 77 127 2.6 8.80 8.99 0.19
Show 21 11 31 +41 14 29 STT 431 AC 2015 5 356 55.4 8.80 11.99 3.19
Show 21 11 31 +41 14 27 STT 431 BC 2015 8 354 57.1 8.99 11.99 3.00 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus HIP 104614 Tycho2 3173-01179-2 Gaia DR2 1968604925917176320
HD 201936 BD BD+40 4435 Distance 102.88 Distance ly 335.59
 
 
WDS 21115+4115 STT 431 BC : 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
21115+4115 STT 431 BC 1932 2 353 50.6 8.80 12.30 211130.88+411428.7
21115+4115 STT 431 BC 2002 3 355 55.3 8.99 11.99 211130.88+411428.7
21115+4115 STT 431 BC 2012 5 355 56.1 8.99 11.99 211130.88+411428.7
21115+4115 STT 431 BC 2015 8 354 57.1 8.99 11.99 F8 211131.08+411427.1

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

 
 
WDS 21115+4115 STT 431 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21115+4115 STT 431 BC : MEASURES
 
 
No records found.

 
 
WDS 21115+4115 : VIRTUAL EYEPIECE
 
 

21115+4115 STT 431A mag 8.8 Sp F8 21115+4115 STT 431B sep 2.9 P.A. 124.00 mag 8.99 Sp F8 21115+4115 STT 431C sep 55.3 P.A. 356.70 mag 11.99 virtual eyepiece
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Radius:
Components only
 
 
WDS 21115+4115 : ALADIN DSS IMAGE @ 21h 11m 31.08s +41° 14' 27.1"
 
 
 
 
WDS 21115+4115 STT 431 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


21115+4115  STT 431BC distance=0' 21115+4115  STT 431AB distance=1' 21115+4115  STT 431AC distance=1' 21121+4123  LDS2494 distance=19' 21143+4109  STT 432 distance=33' 21144+4124  LDS2499 distance=34' 21140+4051  KPP1300 distance=37' 21109+4034  ES  255 distance=43' 21139+4042  TDT2840 distance=43' 21082+4055  AG  414 distance=43' 21119+4158  LDS2493 distance=43' 21129+4033  ES  256 distance=44' 21092+4152  LDS2491 distance=44' 21147+4143  POP1231 distance=46' 21076+4137  BVD 159 distance=50' 21145+4036  COU2227 distance=51' 21157+4135  POP 170 distance=52' 21070+4125  BU  988AB distance=52' 21070+4125  BU  988AC distance=52' 21071+4134  HJ 1613 distance=54' 21161+4101  COU2229 distance=54' 21164+4110  ES 1689 distance=56' 21163+4129  ES 1688 distance=56' 21133+4208  LDS2496 distance=59' 21165+4046  ES 1690 distance=63' 21142+4211  COU2226 distance=64' 21099+4013  COU1968 distance=65' 21155+4202  HJL1106 distance=65' 21169+4140  POP 186AB distance=67' 21169+4140  POP 186AC distance=67' 21169+4140  POP 186CD distance=67' 21155+4205  TDT2861 distance=68' 21054+4058  TDT2732 distance=71' 21144+4219  ES 1581 distance=73' 21153+4017  A  1440 distance=73' 21129+4003  LDS2495 distance=74' 21050+4125  COU2298 distance=74' 21120+4000  TDT2817 distance=75' 21105+4000  ALI1155 distance=76' 21098+4001  GRV 430AB distance=76' 21098+4001  GRV 429AC distance=76' 21068+4021  ES 1989 distance=76' 21138+4228  LDS2497 distance=77' 21097+4230  GRV 428 distance=79' 21115+4233  COU2225 distance=79' 21183+4140  COU2302AB distance=81' 21183+4140  GII  30AB,C distance=81' 21048+4144  COU2434 distance=82' 21171+4206  TDT2883 distance=82' 21168+4019  TOB 219 distance=82' 21044+4057  ROE  44 distance=82' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 21115+4115 STT 431 BC 354 57.1
Show 21115+4115 STT 431 AB 127 2.6 1
Show 21115+4115 STT 431 AC 356 55.4 1
Show 21121+4123 LDS2494 212 2.0 19
Show 21143+4109 STT 432 115 1.3 33
Show 21144+4124 LDS2499 320 6.2 34
Show 21140+4051 KPP1300 32 9.9 37
Show 21109+4034 ES 255 34 4.6 43
Show 21139+4042 TDT2840 235 0.7 43
Show 21082+4055 AG 414 108 5.3 43
Show 21119+4158 LDS2493 77 60.2 43
Show 21129+4033 ES 256 281 4.5 44
Show 21092+4152 LDS2491 184 17.0 44
Show 21147+4143 POP1231 269 54.6 46
Show 21076+4137 BVD 159 49 4.3 50
Show 21145+4036 COU2227 193 1.2 51
Show 21157+4135 POP 170 75 1.4 52
Show 21070+4125 BU 988 AB 223 1.2 52
Show 21070+4125 BU 988 AC 5 9.3 52
Show 21071+4134 HJ 1613 5 16.4 54
Show 21161+4101 COU2229 278 0.8 54
Show 21164+4110 ES 1689 136 3.3 56
Show 21163+4129 ES 1688 147 5.3 56
Show 21133+4208 LDS2496 274 45.8 59
Show 21165+4046 ES 1690 101 3.8 63
Show 21142+4211 COU2226 120 0.3 64
Show 21099+4013 COU1968 104 0.2 65
Show 21155+4202 HJL1106 183 459.8 65
Show 21169+4140 POP 186 AB 297 10.7 67
Show 21169+4140 POP 186 AC 130 60.7 67
Show 21169+4140 POP 186 CD 93 4.2 67
Show 21155+4205 TDT2861 287 2.4 68
Show 21054+4058 TDT2732 64 0.7 71
Show 21144+4219 ES 1581 50 4.6 73
Show 21153+4017 A 1440 213 1.2 73
Show 21129+4003 LDS2495 173 5.0 74
Show 21050+4125 COU2298 147 0.9 74
Show 21120+4000 TDT2817 335 0.6 75
Show 21105+4000 ALI1155 305 13.4 76
Show 21098+4001 GRV 430 AB 351 47.1 76
Show 21098+4001 GRV 429 AC 168 48.5 76
Show 21068+4021 ES 1989 174 6.0 76
Show 21138+4228 LDS2497 110 36.7 77
Show 21097+4230 GRV 428 142 40.9 79
Show 21115+4233 COU2225 82 2.1 79
Show 21183+4140 COU2302 AB 63 1.3 81
Show 21183+4140 GII 30 AB,C 187 14.1 81
Show 21048+4144 COU2434 189 0.9 82
Show 21171+4206 TDT2883 112 0.9 82
Show 21168+4019 TOB 219 212 35.0 82
Show 21044+4057 ROE 44 43 7.2 82

 
 
WDS 21115+4115 : COMPONENTS
 
 
  A B
B pa=124.0°
sep=2.86"
 
C pa=356.7°
sep=55.32"
pa=354.4°
sep=57.10"
 
 
21115+4115 A
 
 
Name HD 201936 Coord arcsec 2000 211130.87+411428.7 Mag 8.8 Spectral class F8 (yellow-white)
PmRA -27.00 PmDE -44.0 HIP 104614 Tycho2 3173-01179-1
HD 201936 BD BD+40 4435
Tycho2
Tycho2 3173-01179-1 Pflag RAmdeg 317.87870443 DEmdeg 41.24130531
PmRA -6.1 PmDE -51.9 E RAmdeg 8 E DEmdeg 8
E pmRA 1.8 E pmDE 1.9 EpRAm 1991.42 EpDEm 1991.41
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 9.302 E BTmag 0.018 VTmag 8.798
E VTmag 0.014 Prox 27 TYC T HIP 104614
CCDM A RAdeg 317.87872333 DEdeg 41.24142639 EpRA 1990 1.61
EpDE 1990 1.60 E RAdeg 8.0 E DEdeg 8.3 Posflg D
Corr 0.2
Hipparcos
Catalog H HIP 104614 Proxy H RAhms 21 11 30.89
DEdms +41 14 29.1 Vmag 8.02 VarFlag R Vmag G
RAdeg 317.879 DEdeg 41.2414 AstroRef A Plx 10.79
CCDM 21115+4115 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 124 Rho 2.734 HD 201936 BD BD+40 4435
CD CP Dm number +40 4435 VIred 0.61
SpType F8 R SpType Coord arcsec 2000 211130.89+411429.1
Hipparcos 2
HIP 104614 Sn 15 So 3 Nc 2
RArad 5.5480303773 DErad 0.7197987125 Plx 9.72 PmRA -6.72
PmDE -54.14 E RArad 0.67 E DErad 0.64 E Plx 0.9
E pmRA 0.84 E pmDE 0.78 Hpmag 8.1426 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.533 E BV 0.015
VI 0.61
CCDM
Ccdm 21115+4115 RComp Comp A Note1
Note2 Discov num DRAs 1.02 DDEs -28.0
R dRAs 21 Year Theta Rho
Obs 3 Vmag 8.5 Sp F8 PmNote
PmRA PmDE Dm number +40 4435 Cat1 BD
Name2 Cat2 HD 201936 M HD
ADS BDS A14733 M ADS BDS N IDS IDS 21077N4050A
HIC 104614
 
 
21115+4115 B
 
 
Coord arcsec 2000 211131.08+411427.1 Coord calc 211131.08+411427.1 Mag 8.99 Spectral class F8 (yellow-white)
PmRA -13.00 PmDE -55.0 HIP 104614 Tycho2 3173-01179-2
Calc delta mag 0.19
Tycho2
Tycho2 3173-01179-2 Pflag RAmdeg 317.87951917 DEmdeg 41.24087295
PmRA -11.5 PmDE -52.2 E RAmdeg 9 E DEmdeg 9
E pmRA 1.8 E pmDE 1.9 EpRAm 1991.37 EpDEm 1991.37
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 9.530 E BTmag 0.020 VTmag 8.990
E VTmag 0.016 Prox 27 TYC T HIP 104614
CCDM B RAdeg 317.87955444 DEdeg 41.24099444 EpRA 1990 1.62
EpDE 1990 1.61 E RAdeg 9.2 E DEdeg 9.4 Posflg D
Corr 0.2
Hipparcos
Catalog H HIP 104614 Proxy H RAhms 21 11 30.89
DEdms +41 14 29.1 Vmag 8.02 VarFlag R Vmag G
RAdeg 317.879 DEdeg 41.2414 AstroRef A Plx 10.79
CCDM 21115+4115 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 124 Rho 2.734 HD 201936 BD BD+40 4435
CD CP Dm number +40 4435 VIred 0.61
SpType F8 R SpType Coord arcsec 2000 211130.89+411429.1
Hipparcos 2
HIP 104614 Sn 15 So 3 Nc 2
RArad 5.5480303773 DErad 0.7197987125 Plx 9.72 PmRA -6.72
PmDE -54.14 E RArad 0.67 E DErad 0.64 E Plx 0.9
E pmRA 0.84 E pmDE 0.78 Hpmag 8.1426 E Hpmag 0.0017
SHp 0.014 VA 0 BV 0.533 E BV 0.015
VI 0.61
CCDM
Ccdm 21115+4115 RComp Comp B Note1
Note2 Discov num STT 431 DRAs DDEs
R dRAs Year 1946 Theta 124 Rho 3.1
Obs 15 Vmag 8.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14733 M ADS BDS N IDS IDS 21077N4050B
HIC 104614
 
 
21115+4115 C
 
 
Coord arcsec 2000 211130.59+411523.9 Mag 11.99 PmRA -5.00 PmDE -2.0
Tycho2 3177-00330-1 Calc delta mag 3.19 Calc coord yes
Tycho2
Tycho2 3177-00330-1 Pflag RAmdeg 317.87729222 DEmdeg 41.25644962
PmRA 3.5 PmDE -0.6 E RAmdeg 81 E DEmdeg 92
E pmRA 2.0 E pmDE 2.0 EpRAm 1969.25 EpDEm 1958.12
Num 3 Q RAmdeg 0.9 Q DEmdeg 0.2 Q pmRA 0.9
Q pmDE 0.2 BTmag 12.229 E BTmag 0.156 VTmag 11.990
E VTmag 0.184 Prox 542 TYC HIP
CCDM RAdeg 317.87728167 DEdeg 41.25645111 EpRA 1990 1.72
EpDE 1990 1.57 E RAdeg 91.8 E DEdeg 114.0 Posflg
Corr 0.1
CCDM
Ccdm 21115+4115 RComp B Comp C Note1
Note2 Discov num STT 431 DRAs DDEs
R dRAs Year 1932 Theta 353 Rho 50.6
Obs 1 Vmag 12.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14733 M ADS BDS N IDS IDS 21077N4050C
HIC