20375+3134 FYM 138 BG

 
 
20h 37m 32.71s +31° 31' 18.9" P.A. 83.00 sep 62.5 mag 6.54,15.00 Sp F0V dist. 49.26 pc (160.69 l.y.)
 
 
Coord 2000 20375+3134 Discov num FYM 138 Comp BG Coord arcsec 2000 20 37 32.71 +31 31 18.9
Date first 1998 Date last 2015 Obs 4
Pa first 84 Pa last 83.1 P.A. Now (θ) 83.1°
Sep first 61.8 Sep last 62.457 Sep. Now (ρ) 62.457"
Mag pri 6.54 Mag sec 15.00 delta mag (ΔM) 8.46 Spectral class F0V (yellow-white)
Pri motion ra -035 Sec motion ra
Pri motion dec -030 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20375+3134 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 48 Cyg 70287 20 37 32 +31 34 21 STFA 53 AB 2012 35 177 182.7 6.29 6.54 0.25
Show 70287 20 37 32 +31 34 21 STFA 53 AC 2015 4 0 71.3 6.29 13.52 7.23
Show 70287 20 37 32 +31 34 21 FYM 138 AH 2012 3 89 111.0 6.29 14.00 7.71
Show 70289 20 37 33 +31 31 19 FYM 138 BD 2015 4 35 41.0 6.54 14.50 7.96
Show 70289 20 37 33 +31 31 19 FYM 138 BE 2015 4 29 58.4 6.54 14.40 7.86
Show 70289 20 37 33 +31 31 19 FYM 138 BF 2015 4 81 38.8 6.54 15.20 8.66
Show 70289 20 37 33 +31 31 19 FYM 138 BG 2015 4 83 62.5 6.54 15.00 8.46 <===
Octuple system
8 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70289 HIP 101768 Tycho2 2686-01752-1
Gaia DR2 1862662518115288192 HD 196629 HR 7887 BD BD+31 4160
Distance 49.26 Distance ly 160.69
 
 
WDS 20375+3134 FYM 138 BG : NOTES
 
 
discov_num notes refcode
STFA 53 B is BD+31@4160.
 
 
REFERENCES
 
 
refcode metd author reference
FyM2013 C j Fay, M. 2013OED....10...38F
FyM2013 El Observador de Estrellas Dobles, Issue #10, 38, 2013
FyM2013b C j Fay, M. .
FyM2013b Il Bollettino Delle Stelle Doppie 5, 10, 2013
FyM2013c C j Fay, M. .
FyM2013c Il Bollettino Delle Stelle Doppie 6, 40, 2013
FyM2013d C j Fay, M. .
FyM2013d Il Bollettino Delle Stelle Doppie 6, 46, 2013
FyM2014 C j Fay, M. .
FyM2014 Il Bollettino Delle Stelle Doppie 9, 36, 2014
FyM2014 (Italian translation on page 21 of the same publication)
FyM2014b C - Fay, M. .
FyM2014b private communication
FyM2014c C j Fay, M. 2014OED....13...19F
FyM2014c El Observador de Estrellas Dobles, Issue #13, 19, 2014
FyM2015a C j Fay, M. 2015OED....14...48F
FyM2015a El Observador de Estrellas Dobles, Issue #14, 48, 2015
FyM2015b C j Fay, M. 2015OED....15...48F
FyM2015b El Observador de Estrellas Dobles, Issue #15, 48, 2015
FyM2016a C - Fay, M. 2016OED....16...94F
FyM2016a El Observador de Estrellas Dobles, Issue #16, 94, 2016
FyM2016b C j Fay, M. 2016OED....16..132F
FyM2016b El Observador de Estrellas Dobles, Issue #16, 132, 2016
FyM2016c C j Fay, M. 2016OED....17...14F
FyM2016c El Observador de Estrellas Dobles, Issue #17, 14, 2016
FyM2017a C - Fay, M. .
FyM2017a Il Bollettino Delle Stelle Doppie 20, 51, 2017
FyM2017a (Italian translation on page 29 of the same publication)
FyM2017b C j Fay, M. 2017OED....19...71F
FyM2017b El Observador de Estrellas Dobles, Issue #19, 71, 2017
STFA (F. Struve DD - Appendix list #1) ...................
STFB (F. Struve DD - Appendix list #2) ...................
StF1833A Ma - Struve, F.G.W. 1833MmRAS...5...13H
StF1833A +Mc cited by Herschel (MemRAS 5, 13, 1833)
StF1833B Ma - Struve, F.G.W. 1833AN.....10..389B
StF1833B cited by Bessel (AN 10, 389, 1833)
StF1837 Ma - Struve, F.G.W. 1837AN.....14...249
StF1837 Stellarum duplicium et multiplicium mensurae micrometricae...
StF1837 (Dorpat, Academiae scientiarum caesareae petropolitaneifique), 1837
StF1844A Ma - Struve, F.G.W. 1844QB43.S66.......
StF1844A cited by Smyth (Cycle of Celestial Objects 2, 1844)
StF1852A Ma - Struve, F.G.W. .
StF1852A cited by Bishop (Bishop Obs. Astron. Observations 1852)
StF1865A Ma - Struve, F.G.W. 1865AN.....64...81E
StF1865A cited by Engelmann (AN 64, 81, #1518, 1865)
StF1875A Ma - Struve, F.G.W. 1875AN.....85..323D
StF1875A cited by Doberck, 1875 (see Dob1875b,f,g,h)
StF1878 Ma - Struve, F.G.W. .
StF1878 Pulkova Observations 9, 1878
StF1878B Ma - Struve, F.G.W. 1878Obs.....2..239G
StF1878B cited by Gledhill (Obs 2, 239, 1878)
StF1880A Ma - Struve, F.G.W. 1880Obs.....3..535G
StF1880A cited by Gledhill (Obs 3, 535, 1880)
StF1906A Ma - Struve, F.G.W. 1906QB821.B972.....
StF1906A cited in BDS (Burnham Double Star Cat.), 1906
StF1906B Ma - Struve, F.G.W. 1906MmRAS..56....1L
StF1906B cited by Lewis (MemRAS 56, 1, 1906)
StF1922A Ma - Struve, F.G.W. 1922AN....216...49R
StF1922A cited by Rabe (AN 216, 49, 1922)
StF1932A Ma - Struve, F.G.W. 1932QB821.A43......
StF1932A cited in ADS (Aitken Double Star Cat.), 1932
StF2002 - - Weis, J.
StF2002 F. G. W. Struve's double stars : the Dorpat catalogue; the Pulkovo catalogue
StF2002 USNO Library : QB 821 .S8 W49 2002
StF2022 - - email note from Jan Weis: 6 July 2022
StF9999 Ma - Struve, F.G.W. ...................
StF9999 Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20375+3134 FYM 138 BG 2012 3 83 62.0 6.54 15.00 F0V N 203732.71+313118.9
20375+3134 FYM 138 BG 2015 4 83 62.5 6.54 15.00 F0V N 203732.71+313118.9

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

 
 
WDS 20375+3134 FYM 138 BG : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20375+3134 FYM 138 BG : MEASURES
 
 
No records found.

 
 
WDS 20375+3134 : VIRTUAL EYEPIECE
 
 

20375+3134 STFA 53A mag 6.29 Sp B8III 20375+3134 FYM 138B sep 182.6 P.A. 176.20 mag 6.54 Sp F0V 20375+3134 STFA 53C sep 71.3 P.A. 0.30 mag 13.52 20375+3134 FYM 138D sep 151.8 P.A. 167.90 mag 14.5 20375+3134 FYM 138E sep 136.1 P.A. 164.60 mag 14.4 20375+3134 FYM 138F sep 181.8 P.A. 165.80 mag 15.2 20375+3134 FYM 138G sep 186.3 P.A. 159.60 mag 15 20375+3134 FYM 138H sep 94.6 P.A. 88.60 mag 14 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 20375+3134 : ALADIN DSS IMAGE @ 20h 37m 32.71s +31° 31' 18.9"
 
 
 
 
WDS 20375+3134 FYM 138 BG : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


20375+3134  FYM 138BD distance=1' 20375+3134  FYM 138BE distance=1' 20375+3134  FYM 138BF distance=1' 20375+3134  FYM 138BG distance=1' 20375+3134  STFA 53AB distance=4' 20375+3134  STFA 53AC distance=4' 20375+3134  FYM 138AH distance=4' 20376+3138  COU1328 distance=7' 20371+3138  TDT2425 distance=10' 20377+3112  BRT 283 distance=20' 20365+3149  TDS1085 distance=22' 20382+3109  AG  261 distance=25' 20368+3157  J   568 distance=28' 20358+3152  TDT2404 distance=31' 20350+3130  TDT2396 distance=33' 20391+3103  J  1238 distance=36' 20399+3154  TDT2456 distance=38' 20366+3209  TDT2417 distance=40' 20384+3215  TDT2445 distance=46' 20408+3115  TDT2468 distance=46' 20371+3217  STN  51 distance=46' 20363+3044  TDT2411 distance=51' 20378+3224  ARY  48 distance=53' 20416+3117  TDT2474 distance=54' 20348+3212  TDT2392 distance=54' 20333+3128  TDT2368 distance=55' 20401+3044  TDT2457Aa,Ab distance=58' 20401+3044  ROE  15AB distance=58' 20401+3044  ROE  15AC distance=58' 20330+3144  ES  365AB distance=59' 20330+3144  ES  365AC distance=59' 20330+3144  ES  365CD distance=60' 20327+3140  HJ 1532 distance=61' 20410+3047  TDT2470 distance=63' 20330+3108  TDT2360 distance=63' 20414+3049  TDS1091 distance=65' 20410+3218  BNU   7Aa,Ab distance=65' 20410+3218  STF2716AB distance=65' 20410+3218  STF2716AC distance=65' 20325+3147  TDT2346 distance=67' 20396+3030  STF2711 distance=67' 20419+3210  TDT2479 distance=67' 20332+3211  TDT2365 distance=68' 20419+3054  TDT2480 distance=68' 20332+3052  TDT2366 distance=68' 20351+3031  COU1327 distance=69' 20423+3202  TDT2482 distance=69' 20347+3230  STF2700 distance=69' 20329+3056  COU1326 distance=70' 20320+3136  ES 2436 distance=71' 20355+3241  COU1632 distance=74' 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 20375+3134 FYM 138 BD 35 41.0 1
Show 20375+3134 FYM 138 BE 29 58.4 1
Show 20375+3134 FYM 138 BF 81 38.8 1
Show 20375+3134 FYM 138 BG 83 62.5 1
Show 20375+3134 STFA 53 AB 177 182.7 4
Show 20375+3134 STFA 53 AC 71.3 4
Show 20375+3134 FYM 138 AH 89 111.0 4
Show 20376+3138 COU1328 35 2.8 7
Show 20371+3138 TDT2425 261 0.5 10
Show 20377+3112 BRT 283 266 4.3 20
Show 20365+3149 TDS1085 58 1.5 22
Show 20382+3109 AG 261 154 4.3 25
Show 20368+3157 J 568 351 5.0 28
Show 20358+3152 TDT2404 68 1.9 31
Show 20350+3130 TDT2396 144 0.6 33
Show 20391+3103 J 1238 18 3.6 36
Show 20399+3154 TDT2456 18 0.7 38
Show 20366+3209 TDT2417 18 1.1 40
Show 20384+3215 TDT2445 224 2.5 46
Show 20408+3115 TDT2468 247 1.9 46
Show 20371+3217 STN 51 269 32.6 46
Show 20363+3044 TDT2411 90 0.8 51
Show 20378+3224 ARY 48 41 53.3 53
Show 20416+3117 TDT2474 224 1.7 54
Show 20348+3212 TDT2392 121 0.6 54
Show 20333+3128 TDT2368 18 2.1 55
Show 20401+3044 TDT2457 Aa,Ab 139 0.9 58
Show 20401+3044 ROE 15 AB 249 7.6 58
Show 20401+3044 ROE 15 AC 257 30.4 58
Show 20330+3144 ES 365 AB 263 25.7 59
Show 20330+3144 ES 365 AC 319 33.6 59
Show 20330+3144 ES 365 CD 283 2.7 60
Show 20327+3140 HJ 1532 305 12.5 61
Show 20410+3047 TDT2470 181 2.5 63
Show 20330+3108 TDT2360 315 0.9 63
Show 20414+3049 TDS1091 350 0.8 65
Show 20410+3218 BNU 7 Aa,Ab 19 0.2 65
Show 20410+3218 STF2716 AB 45 2.8 65
Show 20410+3218 STF2716 AC 93 67.1 65
Show 20325+3147 TDT2346 53 0.8 67
Show 20396+3030 STF2711 223 2.4 67
Show 20419+3210 TDT2479 316 1.1 67
Show 20332+3211 TDT2365 180 2.7 68
Show 20419+3054 TDT2480 147 0.6 68
Show 20332+3052 TDT2366 146 0.7 68
Show 20351+3031 COU1327 8 2.7 69
Show 20423+3202 TDT2482 314 0.7 69
Show 20347+3230 STF2700 284 24.1 69
Show 20329+3056 COU1326 263 0.4 70
Show 20320+3136 ES 2436 306 6.7 71
Show 20355+3241 COU1632 254 0.6 74

 
 
WDS 20375+3134 : COMPONENTS
 
 
  A B C D E F G
B pa=176.2°
sep=182.60"
 
C pa=0.3°
sep=71.34"
pa=357.4°
sep=253.81"
 
D pa=167.9°
sep=151.83"
pa=30.5°
sep=39.16"
pa=171.8°
sep=222.04"
 
E pa=164.6°
sep=136.10"
pa=25.4°
sep=56.45"
pa=170.0°
sep=205.69"
pa=14.2°
sep=17.79"
 
F pa=165.8°
sep=181.77"
pa=79.6°
sep=33.19"
pa=169.9°
sep=251.48"
pa=155.3°
sep=30.56"
pa=169.4°
sep=45.79"
 
G pa=159.6°
sep=186.35"
pa=81.9°
sep=53.38"
pa=165.3°
sep=254.36"
pa=128.5°
sep=42.17"
pa=146.6°
sep=52.09"
pa=85.7°
sep=20.27"
 
H pa=88.6°
sep=94.58"
pa=24.1°
sep=202.15"
pa=126.2°
sep=116.79"
pa=22.6°
sep=163.29"
pa=23.6°
sep=145.72"
pa=15.6°
sep=185.38"
pa=9.5°
sep=179.50"
 
 
20375+3134 A
 
 
Name 48 Cyg Coord arcsec 2000 203731.77+313421.1 Mag 6.29 Spectral class B8III (blue-white)
PmRA 9.00 PmDE 0.0 SAO 70287 HIP 101765
Tycho2 2686-01751-1 HD 196606 HR 7885 GC 28713
BD BD+31 4159 Flamsteed 48 Cygni Flamsteed name 48 Cyg
Tycho2
Tycho2 2686-01751-1 Pflag RAmdeg 309.38240686 DEmdeg 31.57254261
PmRA 8.3 PmDE 0.6 E RAmdeg 3 E DEmdeg 3
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.62 EpDEm 1991.69
Num 11 Q RAmdeg 0.7 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.8 BTmag 6.194 E BTmag 0.014 VTmag 6.290
E VTmag 0.009 Prox 999 TYC T HIP 101765
CCDM RAdeg 309.38238472 DEdeg 31.57254111 EpRA 1990 1.73
EpDE 1990 1.80 E RAdeg 3.3 E DEdeg 3.4 Posflg
Corr 0.2
SAO
SAO 70287 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 0.003 Vmag 6.2 SpType A0
Double code Source 70 CatNum 28713 DM BD+31 4159
DMcomp BDsup HD 196606 M HD 0
GC 28713 RA1950rad 5.39086374 DE1950rad 0.54797958 PmRA2000 0.0008
PmDE2000 0
Hipparcos
Catalog H HIP 101765 Proxy RAhms 20 37 31.77
DEdms +31 34 21.1 Vmag 6.32 VarFlag R Vmag G
RAdeg 309.382 DEdeg 31.5725 AstroRef Plx 4.16
CCDM 20375+3133 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196606 BD BD+31 4159
CD CP Dm number +31 4159 VIred -0.07
SpType B8IIIn R SpType Coord arcsec 2000 203731.77+313421.1
Hipparcos 2
HIP 101765 Sn 5 So 0 Nc 1
RArad 5.3997412367 DErad 0.5510448041 Plx 3.82 PmRA 9.01
PmDE -0.3 E RArad 0.17 E DErad 0.21 E Plx 0.33
E pmRA 0.21 E pmDE 0.21 Hpmag 6.3002 E Hpmag 0.0006
SHp 0.008 VA 0 BV -0.089 E BV 0.003
VI -0.07
 
 
20375+3134 B
 
 
Coord arcsec 2000 203732.71+313118.9 Coord calc 203732.71+313118.9 Mag 6.54 Spectral class F0V (yellow-white)
PmRA -35.00 PmDE -30.0 SAO 70289 HIP 101768
Tycho2 2686-01752-1 HD 196629 HR 7887 GC 28715
BD BD+31 4160 Calc delta mag 0.25
Tycho2
Tycho2 2686-01752-1 Pflag RAmdeg 309.38629092 DEmdeg 31.52191531
PmRA -34.5 PmDE -30.3 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.42 EpDEm 1991.43
Num 15 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.9
Q pmDE 0.4 BTmag 6.909 E BTmag 0.014 VTmag 6.538
E VTmag 0.009 Prox 999 TYC T HIP 101768
CCDM RAdeg 309.38638444 DEdeg 31.52198472 EpRA 1990 1.69
EpDE 1990 1.76 E RAdeg 3.5 E DEdeg 3.5 Posflg
Corr 0.2
SAO
SAO 70289 DelFlag RA1950 PmRA1950 -0.0037
DE1950 PmDE1950 -0.03 Vmag 6.4 SpType F0
Double code Source 70 CatNum 28715 DM BD+31 4160
DMcomp BDsup HD 196629 M HD 0
GC 28715 RA1950rad 5.39093654 DE1950rad 0.54710256 PmRA2000 -0.0035
PmDE2000 -0.033
Hipparcos
Catalog H HIP 101768 Proxy RAhms 20 37 32.73
DEdms +31 31 19.2 Vmag 6.51 VarFlag R Vmag H
RAdeg 309.386 DEdeg 31.522 AstroRef Plx 20.3
CCDM 20375+3133 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 196629 BD BD+31 4160
CD CP Dm number +31 4160 VIred 0.43
SpType F0V R SpType Coord arcsec 2000 203732.73+313119.2
Hipparcos 2
HIP 101768 Sn 5 So 0 Nc 1
RArad 5.399811142 DErad 0.5501624687 Plx 20.3 PmRA -34.27
PmDE -31.4 E RArad 0.21 E DErad 0.24 E Plx 0.39
E pmRA 0.27 E pmDE 0.26 Hpmag 6.5964 E Hpmag 0.0005
SHp 0.008 VA 0 BV 0.371 E BV 0.004
VI 0.43
 
 
20375+3134 C
 
 
Coord arcsec 2000 203731.79+313532.4 Mag 13.52 PmRA 8.00 PmDE 4.0
Calc delta mag 7.23 Calc coord yes
 
 
20375+3134 D
 
 
Coord arcsec 2000 203734.26+313152.7 Mag 14.5 Calc delta mag 8.21 Calc coord yes
 
 
20375+3134 E
 
 
Coord arcsec 2000 203734.60+313209.9 Mag 14.4 Calc delta mag 8.11 Calc coord yes
 
 
20375+3134 F
 
 
Coord arcsec 2000 203735.26+313124.9 Mag 15.2 Calc delta mag 8.91 Calc coord yes
 
 
20375+3134 G
 
 
Coord arcsec 2000 203736.84+313126.4 Mag 15 Calc delta mag 8.71 Calc coord yes
 
 
20375+3134 H
 
 
Coord arcsec 2000 203739.17+313423.4 Mag 14 PmRA 1.00 PmDE -4.0
Calc delta mag 7.71 Calc coord yes