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Doubles in session


Current system
21068+3408
FYM 123 AF


Nearby doubles
14' : 21057+3407
TOB 210

19' : 21078+3421
ES 2313AB

21' : 21056+3421
TDS1114

24' : 21085+3355
J 3126

27' : 21056+3346
TDS1115

29' : 21066+3436
POP 22AB

32' : 21084+3344
GRV 422

35' : 21075+3441
GRV 420

36' : 21046+3345
CXT 1

38' : 21074+3444
COU1814

43' : 21054+3447
GRV 414

43' : 21056+3327
GRV 415

45' : 21095+3437
ES 2256

45' : 21082+3449
ES 2255AB

46' : 21096+3340
TDT2792

47' : 21079+3324
TRN 31

47' : 21067+3455
HU 691

48' : 21105+3418
ES 2706

48' : 21038+3338
ROE 52

51' : 21105+3430
TDS1119

52' : 21071+3459
TDT2764

53' : 21061+3459
POP 25

53' : 21059+3459
POP 24

55' : 21024+3409
GYL 29

55' : 21069+3313
TDT2760

57' : 21113+3419
ES 2314



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.

21068+3408 FYM 123 AF

 
 
21h 06m 46.78s +34° 07' 56.2" P.A. 310.00 sep 31.2 mag 7.90,15.40 Sp A4III dist. 137.17 pc (447.45 l.y.)
 
 
Coord 2000 21068+3408 Discov num FYM 123 Comp AF Coord arcsec 2000 21 06 46.78 +34 07 56.2
Date first 1998 Date last 2015 Obs 7
Pa first 308 Pa last 309.9 P.A. Now (θ) 309.9°
Sep first 30.7 Sep last 31.205 Sep. Now (ρ) 31.205"
Mag pri 7.90 Mag sec 15.40 delta mag (ΔM) 7.5 Spectral class A4III (white)
Pri motion ra +003 Sec motion ra
Pri motion dec -028 Sec motion dec
Notes W
Nature of this double is uncertain.
 
 
21068+3408 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 201156 70925 21 06 47 +34 07 56 STF 2760 AB 2020 242 33 5.6 7.90 8.74 0.84
Show 70925 21 06 47 +34 07 56 STF 2760 AC 2016 20 150 57.4 7.90 11.85 3.95
Show 70925 21 06 47 +34 07 56 WAL 136 AD 2016 14 9 30.7 7.90 13.25 5.35
Show 70925 21 06 47 +34 07 56 FYM 123 AE 2016 8 211 27.0 7.90 14.10 6.20
Show 70925 21 06 47 +34 07 56 FYM 123 AF 2015 7 310 31.2 7.90 15.40 7.50 <===
Show 70925 21 06 47 +34 07 56 FYM 123 AG 2015 4 113 46.1 7.90 16.00 8.10
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 70925 HIP 104210 Tycho2 2709-01318-1
Gaia DR2 1867101865032322432 HD 201156 BD BD+33 4162 Distance 137.17
Distance ly 447.45
 
 
WDS 21068+3408 FYM 123 AF : NOTES
 
 
No records found.

 
 
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.
Wal1934 Ma j Wallenquist, A. 1934AnBos...6....3W
Wal1934 Ann. Bosscha Obs. Lembang 6, Pt.2, 1934
Wal1944a Zw - Wallenquist, A. 1954MeUpp...85.....
Wal1944a Medd. Uppsala Obs. #85, 1944
Wal1944a (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944a given for measures; default date = decade of publication added.)
Wal1944b Zw - Wallenquist, A. 1954MeUpp...87.....
Wal1944b Medd. Uppsala Obs. #87, 1944
Wal1944b (Visual measures with wedge photometer attached to 14-inch refractor. No dates
Wal1944b given for measures; default date = decade of publication added.)
Wal1947 Zw - Wallenquist, A. 1947UppAn...2....2W
Wal1947 Ann. Uppsala Astron. Obs. 2, No.2, 1947
Wal1947 (A catalogue containing results of the two prior series, plus additional measures
Wal1947 with the 14-inch refractor and wedge photometer)
Wal1948 Zw - Wallenquist, A. 1948UppAn...2....3W
Wal1948 Ann. Uppsala Astron Obs. 2, #3, 1948
Wal1948 (Visual measures of southern double stars made with 17-inch refractor of La Plata
Wal1948 and wedge photometer. No dates listed; default date = decade of publication added)
Wal1950 Zd - Wallenquist, A. 1950MeUpp..103.....
Wal1950 Medd. Uppsala Obs. #103, 1950
Wal1954 Zw - Wallenquist, A. 1954UppAn...4Q....W
Wal1954 Ann. Uppsala Astron Obs. 4, #2, 1954
Wal1954 ("General Catalogue of Differences in Magnitude of Double Stars". Weighted mean
Wal1954 values from numerous sources)
Wal1958 Zw - Wallenquist, A. 1958MeUpp..118.....
Wal1958 Medd. Uppsala Obs. #118, 1958
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21068+3408 FYM 123 AF 2012 3 310 31.2 7.90 15.40 A4III 210646.78+340756.2
21068+3408 FYM 123 AF 2015 4 310 31.2 7.90 15.40 A4III W 210646.78+340756.2

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

 
 
WDS 21068+3408 FYM 123 AF : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21068+3408 FYM 123 AF : MEASURES
 
 
No records found.

 
 
WDS 21068+3408 : VIRTUAL EYEPIECE
 
 

21068+3408 STF2760A mag 7.9 Sp A4III 21068+3408 STF2760B sep 5.3 P.A. 28.40 mag 8.74 21068+3408 STF2760C sep 55.0 P.A. 154.30 mag 11.85 21068+3408 WAL 136D sep 30.6 P.A. 7.10 mag 13.25 21068+3408 FYM 123E sep 25.8 P.A. 206.20 mag 14.1 21068+3408 FYM 123F sep 28.2 P.A. 315.30 mag 15.4 21068+3408 FYM 123G sep 39.4 P.A. 116.70 mag 16 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 21068+3408 : ALADIN DSS IMAGE @ 21h 06m 46.78s +34° 07' 56.2"
 
 
 
 
WDS 21068+3408 FYM 123 AF : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21068+3408 FYM 123AF distance=0' 21057+3407 TOB 210 distance=14' 21078+3421 FYM 125JK distance=18' 21078+3421 ES 2313AB distance=19' 21078+3421 HJ 1614AC distance=19' 21078+3421 ABH 141AD distance=19' 21078+3421 ABH 141AE distance=19' 21078+3421 ABH 141AG distance=19' 21078+3421 ABH 141AH distance=19' 21078+3421 ABH 141AI distance=19' 21078+3421 ABH 141AJ distance=19' 21078+3421 FYM 125AL distance=19' 21078+3421 FYM 125AM distance=19' 21078+3421 ABH 141AF distance=19' 21078+3421 FYM 125AK distance=19' 21078+3421 ABH 141GF distance=20' 21056+3421 TDS1114 distance=21' 21085+3355 J 3126 distance=24' 21056+3346 TDS1115 distance=27' 21066+3436 POP 22MN distance=27' 21066+3436 POP 22AB distance=29' 21066+3436 POP 22AC distance=29' 21066+3436 POP 22AD distance=29' 21066+3436 POP 22AF distance=29' 21066+3436 POP 22AM distance=29' 21066+3436 POP 22AX distance=29' 21066+3436 POP 22FG distance=29' 21050+3347 KPP2494BC distance=31' 21066+3436 POP 22DE distance=31' 21066+3436 POP 22XY distance=31' 21084+3344 GRV 422 distance=32' 21075+3441 GRV 420 distance=35' 21046+3345 CXT 1 distance=36' 21074+3444 COU1814 distance=38' 21054+3447 GRV 414 distance=43' 21056+3327 GRV 415 distance=43' 21095+3437 ES 2256 distance=45' 21082+3449 TDT2776Aa,Ab distance=45' 21082+3449 ES 2255AB distance=45' 21096+3340 TDT2792 distance=46' 21079+3324 TRN 31 distance=47' 21067+3455 HU 691 distance=47' 21105+3418 ES 2706 distance=48' 21038+3338 ROE 52 distance=48' 21105+3430 TDS1119 distance=51' 21071+3459 TDT2764 distance=52' 21061+3459 POP 25 distance=53' 21059+3459 POP 24 distance=53' 21024+3409 GYL 29 distance=55' 21069+3313 TDT2760 distance=55' 21113+3419 ES 2314 distance=57' 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 21068+3408 STF2760 AB 33 5.6
Show 21068+3408 STF2760 AC 150 57.4
Show 21068+3408 WAL 136 AD 9 30.7
Show 21068+3408 FYM 123 AE 211 27.0
Show 21068+3408 FYM 123 AF 310 31.2
Show 21068+3408 FYM 123 AG 113 46.1
Show 21057+3407 TOB 210 60 19.1 14
Show 21078+3421 FYM 125 JK 260 14.0 18
Show 21078+3421 ES 2313 AB 196 7.3 19
Show 21078+3421 HJ 1614 AC 257 12.3 19
Show 21078+3421 ABH 141 AD 42 84.7 19
Show 21078+3421 ABH 141 AE 140 22.5 19
Show 21078+3421 ABH 141 AG 96 70.7 19
Show 21078+3421 ABH 141 AH 127 84.0 19
Show 21078+3421 ABH 141 AI 124 107.6 19
Show 21078+3421 ABH 141 AJ 222 62.0 19
Show 21078+3421 FYM 125 AL 195 61.0 19
Show 21078+3421 FYM 125 AM 259 67.3 19
Show 21078+3421 ABH 141 AF 92 56.4 19
Show 21078+3421 FYM 125 AK 232 74.3 19
Show 21078+3421 ABH 141 GF 293 15.2 20
Show 21056+3421 TDS1114 258 0.8 21
Show 21085+3355 J 3126 348 6.1 24
Show 21056+3346 TDS1115 51 0.9 27
Show 21066+3436 POP 22 MN 272 8.9 27
Show 21066+3436 POP 22 AB 110 6.3 29
Show 21066+3436 POP 22 AC 16 29.8 29
Show 21066+3436 POP 22 AD 347 135.5 29
Show 21066+3436 POP 22 AF 303 55.9 29
Show 21066+3436 POP 22 AM 113 176.5 29
Show 21066+3436 POP 22 AX 354 139.8 29
Show 21066+3436 POP 22 FG 318 7.9 29
Show 21050+3347 KPP2494 BC 283 22.3 31
Show 21066+3436 POP 22 DE 283 7.9 31
Show 21066+3436 POP 22 XY 352 6.1 31
Show 21084+3344 GRV 422 323 11.1 32
Show 21075+3441 GRV 420 145 22.3 35
Show 21046+3345 CXT 1 178 7.7 36
Show 21074+3444 COU1814 195 0.3 38
Show 21054+3447 GRV 414 170 67.7 43
Show 21056+3327 GRV 415 215 21.8 43
Show 21095+3437 ES 2256 102 4.7 45
Show 21082+3449 TDT2776 Aa,Ab 103 0.5 45
Show 21082+3449 ES 2255 AB 249 5.0 45
Show 21096+3340 TDT2792 318 0.4 46
Show 21079+3324 TRN 31 221 6.1 47
Show 21067+3455 HU 691 313 0.4 47
Show 21105+3418 ES 2706 33 13.7 48
Show 21038+3338 ROE 52 79 6.5 48
Show 21105+3430 TDS1119 297 0.9 51
Show 21071+3459 TDT2764 25 1.7 52

 
 
WDS 21068+3408 : COMPONENTS
 
 
  A B C D E F
B pa=28.4°
sep=5.35"
 
C pa=154.3°
sep=55.02"
pa=158.5°
sep=58.32"
 
D pa=7.1°
sep=30.61"
pa=2.8°
sep=25.70"
pa=345.9°
sep=82.42"
 
E pa=206.2°
sep=25.84"
pa=206.5°
sep=31.19"
pa=306.8°
sep=44.05"
pa=195.8°
sep=55.68"
 
F pa=315.3°
sep=28.17"
pa=304.4°
sep=27.09"
pa=327.9°
sep=82.17"
pa=246.3°
sep=25.79"
pa=349.0°
sep=44.02"
 
G pa=116.7°
sep=39.40"
pa=124.5°
sep=39.60"
pa=19.6°
sep=33.82"
pa=146.9°
sep=57.42"
pa=83.3°
sep=46.92"
pa=124.4°
sep=66.70"
 
 
21068+3408 A
 
 
Name HD 201156 Coord arcsec 2000 210646.78+340756.2 Mag 7.9 Spectral class A4III (white)
PmRA 3.00 PmDE -28.0 SAO 70925 HIP 104210
Tycho2 2709-01318-1 HD 201156 GC 29514 BD BD+33 4162
Tycho2
Tycho2 2709-01318-1 Pflag RAmdeg 316.69489465 DEmdeg 34.13226381
PmRA -0.9 PmDE -29.1 E RAmdeg 5 E DEmdeg 4
E pmRA 4.8 E pmDE 4.9 EpRAm 1991.66 EpDEm 1991.75
Num 3 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.7 BTmag 8.132 E BTmag 0.015 VTmag 7.896
E VTmag 0.010 Prox 28 TYC T HIP 104210
CCDM A RAdeg 316.69489694 DEdeg 34.13233056 EpRA 1990 1.68
EpDE 1990 1.76 E RAdeg 4.6 E DEdeg 4.2 Posflg D
Corr 0.2
SAO
SAO 70925 DelFlag RA1950 PmRA1950 -0.0001
DE1950 PmDE1950 -0.035 Vmag 8 SpType A2
Double code Source 70 CatNum 29514 DM BD+33 4162
DMcomp B BDsup HD 201156 M HD 0
GC 29514 RA1950rad 5.51845065 DE1950rad 0.59220843 PmRA2000 0.0001
PmDE2000 -0.038
Hipparcos
Catalog H HIP 104210 Proxy H RAhms 21 06 46.78
DEdms +34 07 56.4 Vmag 7.44 VarFlag R Vmag H
RAdeg 316.695 DEdeg 34.1323 AstroRef A Plx 6.77
CCDM 21068+3408 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 28 Rho 2.786 HD 201156 BD BD+33 4162
CD CP Dm number +33 4162 VIred 0.21
SpType A2... R SpType Coord arcsec 2000 210646.78+340756.4
Hipparcos 2
HIP 104210 Sn 15 So 3 Nc 2
RArad 5.5273687193 DErad 0.5957215908 Plx 7.29 PmRA -3.66
PmDE -37.2 E RArad 0.48 E DErad 0.62 E Plx 0.91
E pmRA 0.54 E pmDE 0.72 Hpmag 7.5113 E Hpmag 0.0012
SHp 0.011 VA 0 BV 0.282 E BV 0.009
VI 0.32
CCDM
Ccdm 21068+3408 RComp Comp A Note1
Note2 Discov num DRAs -1.03 DDEs -1.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 8.0 Sp A2 PmNote *
PmRA -1 PmDE -36 Dm number +33 4162 Cat1 BD
Name2 70925 Cat2 SAO HD 201156 M HD
ADS BDS A14645 M ADS BDS N IDS IDS 21027N3344A
HIC 104210
 
 
21068+3408 B
 
 
Coord arcsec 2000 210646.98+340800.9 Mag 8.74 PmRA 61.00 PmDE 42.0
Tycho2 2709-01318-2 Calc delta mag 0.84 Calc coord yes
Tycho2
Tycho2 2709-01318-2 Pflag RAmdeg 316.69536951 DEmdeg 34.13298063
PmRA 8.8 PmDE -18.7 E RAmdeg 8 E DEmdeg 7
E pmRA 1.9 E pmDE 2.0 EpRAm 1991.43 EpDEm 1991.61
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 9.182 E BTmag 0.017 VTmag 8.741
E VTmag 0.013 Prox 28 TYC T HIP 104210
CCDM B RAdeg 316.69534444 DEdeg 34.13302361 EpRA 1990 1.62
EpDE 1990 1.73 E RAdeg 7.5 E DEdeg 6.5 Posflg D
Corr 0.1
CCDM
Ccdm 21068+3408 RComp Comp B Note1
Note2 Discov num STF2760 DRAs -1.03 DDEs -1.6
R dRAs 10 Year 1960 Theta 291 Rho 0.7
Obs 99 Vmag 8.8 Sp PmNote *
PmRA 69 PmDE 54 Dm number Cat1
Name2 70924 Cat2 SAO HD M HD
ADS BDS A14645 M ADS BDS N IDS IDS 21027N3344B
HIC 104210
 
 
21068+3408 C
 
 
Coord arcsec 2000 210648.70+340706.6 Mag 11.85 PmRA -3.00 PmDE -5.0
Calc delta mag 3.95 Calc coord yes
CCDM
Ccdm 21068+3408 RComp Comp C Note1
Note2 Discov num STF2760 DRAs DDEs
R dRAs Year 1903 Theta 152 Rho 60.0
Obs 4 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14645 M ADS BDS N IDS IDS 21027N3344C
HIC
 
 
21068+3408 D
 
 
Coord arcsec 2000 210647.09+340826.6 Mag 13.25 PmRA -23.00 PmDE -32.0
Calc delta mag 5.35 Calc coord yes
 
 
21068+3408 E
 
 
Coord arcsec 2000 210645.86+340733.0 Mag 14.1 Calc delta mag 6.2 Calc coord yes
 
 
21068+3408 F
 
 
Coord arcsec 2000 210645.18+340816.2 Mag 15.4 Calc delta mag 7.5 Calc coord yes
 
 
21068+3408 G
 
 
Coord arcsec 2000 210649.61+340738.5 Mag 16 Calc delta mag 8.1 Calc coord yes