21121+4543 BU 160 BC

 
 
21h 12m 09.28s +45° 41' 21.1" P.A. 115.00 sep 6.4 mag 11.40,11.60
 
 
Coord 2000 21121+4543 Discov num BU  160 Comp BC Coord arcsec 2000 21 12 09.28 +45 41 21.1
Date first 1892 Date last 2015 Obs 18
Pa first 117 Pa last 114.6 P.A. Now (θ) 114.6°
Sep first 6.1 Sep last 6.364 Sep. Now (ρ) 6.364"
Mag pri 11.40 Mag sec 11.60 delta mag (ΔM) 0.2 Spectral class
Pri motion ra -001 Sec motion ra +005
Pri motion dec -003 Sec motion dec -005
Notes N (See Notes)
rPM=0.894
This double is not physical.
 
 
21121+4543 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 202068 50561 21 12 07 +45 42 13 BU 160 AB 2014 17 155 57.1 8.88 10.73 1.85
Show 21 12 09 +45 41 21 BU 160 BC 2015 18 115 6.4 11.40 11.60 0.20 <===
Show 21 12 09 +45 41 21 ES 9005 BD 2015 11 84 22.3 11.40 13.90 2.50
Quadruple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2164013881927718912
 
 
WDS 21121+4543 BU 160 BC : NOTES
 
 
discov_num notes refcode
ES 9005 Previously known as BU 160. Espin refers to it as a faint Es_1914
star following BU 160.
 
 
REFERENCES
 
 
refcode metd author reference
Es_1914 Mb j Espin, T.E. 1914MNRAS..74..244E
Es_1914 MNRAS 74, 244, 1914 (ES 1192 - 1293)
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 ES Espin, T.E.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21121+4543 BU 160 BC 1998 9 115 6.4 11.40 11.60 D 211209.28+454121.1
21121+4543 BU 160 BC 2010 10 114 6.3 11.40 11.60 N D 211209.28+454121.1
21121+4543 BU 160 BC 2011 14 114 6.5 11.40 11.60 N D 211209.28+454121.1
21121+4543 BU 160 BC 2015 16 115 6.4 11.40 11.60 N 211209.28+454121.1

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WDS 21121+4543 BU 160 BC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21121+4543 BU 160 BC : MEASURES
 
 
No records found.

 
 
WDS 21121+4543 : VIRTUAL EYEPIECE
 
 

21121+4543 BU  160A mag 8.88 Sp B8V 21121+4543 BU  160B sep 57.1 P.A. 154.50 mag 11.4 21121+4543 BU  160C sep 61.3 P.A. 152.10 mag 11.6 21121+4543 ES 9005D sep 63.4 P.A. 140.80 mag 13.9 virtual eyepiece
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Radius:
Components only
 
 
WDS 21121+4543 : ALADIN DSS IMAGE @ 21h 12m 09.28s +45° 41' 21.1"
 
 
 
 
WDS 21121+4543 BU 160 BC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


21121+4543  BU  160BC distance=0' 21121+4543  BU  160AB distance=1' 21122+4549  ES 1272 distance=9' 21125+4552  ES 1273AB distance=11' 21125+4552  ES 1273AC distance=11' 21125+4552  ES 1273CD distance=12' 21114+4551  COU2435 distance=13' 21111+4530  BRT1146 distance=17' 21105+4538  BRT1145 distance=18' 21145+4542  COU2436 distance=25' 21142+4556  TDT2846 distance=26' 21102+4603  SMA 131 distance=30' 21154+4539  TDT2860 distance=35' 21129+4616  TOI1315 distance=36' 21148+4518  TDT2855 distance=37' 21165+4554  HDS3027 distance=48' 21098+4624  SMA 128 distance=50' 21152+4619  HDS3023 distance=50' 21137+4453  LDS2498 distance=50' 21075+4515  HJ 1615 distance=56' 21080+4504  SMA 126 distance=57' 21067+4538  TDT2754 distance=57' 21159+4624  ES  513 distance=58' 21080+4500  TDT2774 distance=60' 21062+4535  LDS2487 distance=61' 21071+4459  LDS2489 distance=61' 21100+4640  SMA 130 distance=62' 21091+4635  TDT2785 distance=62' 21083+4630  BRT1143 distance=63' 21178+4607  TDT2892 distance=65' 21127+4349  DJU   6 distance=66' 21155+4637  HJ 1629 distance=66' 21139+4438  TDT2839 distance=67' 21102+4645  SKF2396 distance=67' 21169+4456  A   885 distance=68' 21151+4642  TDT2858 distance=69' 21183+4514  TDT2893 distance=70' 21136+4433  ES 1333 distance=71' 21166+4448  ES   97 distance=71' 21161+4444  MCN   2 distance=71' 21088+4646  SMA 127 distance=73' 21099+4651  SMA 129 distance=75' 21133+4655  A   884 distance=75' 21067+4631  SMA 125AB distance=76' 21067+4631  SMA 125AC distance=76' 21109+4658  JNN 290BC distance=78' 21109+4658  JNN 290BD distance=78' 21109+4658  GIC 166AB distance=78' 21046+4541  ES 1168 distance=79' 21196+4549  TDS1123AB distance=79' 21073+4440  A   881 distance=80' grafico limitrofi
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Show name coord_2000 discov# comp pa sep dist(')
Show 21121+4543 ES 9005 BD 84 22.3
Show 21121+4543 BU 160 BC 115 6.4
Show 21121+4543 BU 160 AB 155 57.1 1
Show 21122+4549 ES 1272 53 3.8 9
Show 21125+4552 ES 1273 AB 295 23.1 11
Show 21125+4552 ES 1273 AC 7 37.7 11
Show 21125+4552 ES 1273 CD 69 3.7 12
Show 21114+4551 COU2435 169 1.4 13
Show 21111+4530 BRT1146 344 2.6 17
Show 21105+4538 BRT1145 163 3.8 18
Show 21145+4542 COU2436 266 5.0 25
Show 21142+4556 TDT2846 227 0.5 26
Show 21102+4603 SMA 131 86 8.6 30
Show 21154+4539 TDT2860 243 5.6 35
Show 21129+4616 TOI1315 270 8.4 36
Show 21148+4518 TDT2855 1 0.5 37
Show 21165+4554 HDS3027 48 0.4 48
Show 21098+4624 SMA 128 170 12.3 50
Show 21152+4619 HDS3023 140 0.9 50
Show 21137+4453 LDS2498 316 13.0 50
Show 21075+4515 HJ 1615 277 14.4 56
Show 21080+4504 SMA 126 18 8.9 57
Show 21067+4538 TDT2754 233 0.5 57
Show 21159+4624 ES 513 49 8.8 58
Show 21080+4500 TDT2774 173 1.8 60
Show 21062+4535 LDS2487 271 5.2 61
Show 21071+4459 LDS2489 255 16.0 61
Show 21100+4640 SMA 130 147 8.7 62
Show 21091+4635 TDT2785 68 2.6 62
Show 21083+4630 BRT1143 212 2.7 63
Show 21178+4607 TDT2892 156 2.5 65
Show 21127+4349 DJU 6 24 2.6 66
Show 21155+4637 HJ 1629 71 12.6 66
Show 21139+4438 TDT2839 352 1.2 67
Show 21102+4645 SKF2396 53 13.3 67
Show 21169+4456 A 885 153 3.9 68
Show 21151+4642 TDT2858 215 2.2 69
Show 21183+4514 TDT2893 234 0.6 70
Show 21136+4433 ES 1333 296 1.6 71
Show 21166+4448 ES 97 290 7.5 71
Show 21161+4444 MCN 2 303 16.0 71
Show 21088+4646 SMA 127 130 17.3 73
Show 21099+4651 SMA 129 264 14.1 75
Show 21133+4655 A 884 111 0.4 75
Show 21067+4631 SMA 125 AB 87 22.2 76
Show 21067+4631 SMA 125 AC 198 15.0 76
Show 21109+4658 JNN 290 BC 36 2.4 78
Show 21109+4658 JNN 290 BD 189 3.4 78
Show 21109+4658 GIC 166 AB 150 29.3 78
Show 21046+4541 ES 1168 118 1.4 79
Show 21196+4549 TDS1123 AB 63 1.5 79

 
 
WDS 21121+4543 : COMPONENTS
 
 
  A B C
B pa=154.5°
sep=57.08"
 
C pa=152.1°
sep=61.27"
pa=123.2°
sep=4.83"
 
D pa=140.8°
sep=63.43"
pa=81.3°
sep=15.69"
pa=66.3°
sep=12.52"
 
 
21121+4543 A
 
 
Name HD 202068 Coord arcsec 2000 211206.93+454212.6 Mag 8.88 Spectral class B8V (blue-white)
PmRA 5.00 PmDE 0.0 SAO 50561 HIP 104671
Tycho2 3589-05067-1 HD 202068 BD BD+45 3442
Tycho2
Tycho2 3589-05067-1 Pflag RAmdeg 318.02891587 DEmdeg 45.70349750
PmRA 6.9 PmDE -2.6 E RAmdeg 5 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.35 EpDEm 1991.54
Num 8 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.7 BTmag 7.706 E BTmag 0.015 VTmag 7.795
E VTmag 0.011 Prox 999 TYC T HIP 104671
CCDM RAdeg 318.02889278 DEdeg 45.70350333 EpRA 1990 1.64
EpDE 1990 1.72 E RAdeg 4.7 E DEdeg 4.4 Posflg
Corr 0.0
SAO
SAO 50561 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 0.021 Vmag 7.9 SpType B8
Double code Source 3 CatNum 1838 DM BD+45 3442
DMcomp BDsup HD 202068 M HD 0
GC RA1950rad 5.54280026 DE1950rad 0.79408079 PmRA2000 0.0015
PmDE2000 0.018
Hipparcos
Catalog H HIP 104671 Proxy RAhms 21 12 06.93
DEdms +45 42 12.6 Vmag 7.83 VarFlag R Vmag G
RAdeg 318.029 DEdeg 45.7035 AstroRef Plx 3.02
CCDM 21121+4542 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 202068 BD BD+45 3442
CD CP Dm number +45 3442 VIred -0.09
SpType B7V R SpType Coord arcsec 2000 211206.93+454212.6
Hipparcos 2
HIP 104671 Sn 5 So 0 Nc 1
RArad 5.5506512663 DErad 0.7976766447 Plx 2.94 PmRA 6.03
PmDE -0.08 E RArad 0.44 E DErad 0.42 E Plx 0.53
E pmRA 0.54 E pmDE 0.54 Hpmag 7.8119 E Hpmag 0.0011
SHp 0.013 VA 0 BV -0.102 E BV 0.006
VI -0.09
 
 
21121+4543 B
 
 
Coord arcsec 2000 211209.28+454121.1 Coord calc 211209.28+454121.1 Mag 11.4 PmRA -1.00
PmDE -3.0 Calc delta mag 2.52
 
 
21121+4543 C
 
 
Coord arcsec 2000 211209.67+454118.5 Mag 11.6 PmRA 5.00 PmDE -5.0
Calc delta mag 2.72 Calc coord yes
 
 
21121+4543 D
 
 
Coord arcsec 2000 211210.76+454123.5 Mag 13.9 PmRA 0.00 PmDE 13.0
Calc delta mag 5.02 Calc coord yes