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Current system
21494+3045
STF 2829
HD 207593


Nearby doubles
4' : 21494+3048
GRV 511

23' : 21511+3046
DEA 89

32' : 21487+3115
HJ 1695

33' : 21516+3030
MLB 669

37' : 21479+3117
HJ 1688

58' : 21455+3113
TDT3141

60' : 21451+3026
TDT3136

60' : 21534+3115
TDT3217

67' : 21501+3151
BU 692AB

69' : 21457+2957
TDT3145

70' : 21458+2954
TDT3146

77' : 21458+2945
DAM 236

77' : 21455+2948
DAM 237

78' : 21473+2932
STJ 58

81' : 21470+2930
GRV 503

82' : 21530+2939
BRT 59

83' : 21457+3152
J 2356

83' : 21449+3145
ES 381

84' : 21444+3140
HJ 1686

90' : 21429+3014
TDT3119

93' : 21566+3053
HDS3119

93' : 21442+2942
MLB 493

94' : 21532+3205
ES 2322AB

95' : 21422+3100
OSO 154AB

98' : 21510+2911
A 889AB

98' : 21530+3210
KPP4254



Selections
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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.

21494+3045 STF 2829 (HD 207593)

 
 
21h 49m 23.85s +30° 45' 14.1" P.A. 15.00 sep 17.1 mag 8.91,9.66 Sp A0 dist. 125.79 pc (410.33 l.y.)
 
 
Coord 2000 21494+3045 Discov num STF2829 Comp Coord arcsec 2000 21 49 23.85 +30 45 14.1
Date first 1831 Date last 2015 Obs 31
Pa first 16 Pa last 15.2 P.A. Now (θ) 15.2°
Sep first 17.1 Sep last 17.065 Sep. Now (ρ) 17.065"
Mag pri 8.91 Mag sec 9.66 delta mag (ΔM) 0.75 Spectral class A0 (white)
Pri motion ra +003 Sec motion ra +003
Pri motion dec +000 Sec motion dec -000
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 207593 Constellation Cygnus SAO 71734 HIP 107728
Tycho2 2718-02227-1 Gaia DR2 1897660862274252288 HD 207593 GC 30556
BD BD+30 4537 Distance 125.79 Distance ly 410.33
 
 
WDS 21494+3045 STF 2829 (HD 207593) : NOTES
 
 
discov_num notes refcode
STF2829 B is BD+30@4538.
 
 
REFERENCES
 
 
refcode metd author reference
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
21494+3045 STF2829 2004 23 15 16.8 8.91 9.66 A0 NZD 214923.85+304514.1
21494+3045 STF2829 2010 24 16 17.3 8.91 9.66 A0 NZD 214923.85+304514.1
21494+3045 STF2829 2014 26 16 16.8 8.91 9.66 A0 NZD 214923.85+304514.1
21494+3045 STF2829 2015 28 15 17.1 8.91 9.66 A0 NZ 214923.85+304514.1

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

 
 
WDS 21494+3045 STF 2829 (HD 207593) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21494+3045 STF 2829 (HD 207593) : MEASURES
 
 
No records found.

 
 
WDS 21494+3045 (HD 207593) : VIRTUAL EYEPIECE
 
 

21494+3045 STF2829A mag 8.91 Sp A0 21494+3045 STF2829B sep 16.9 P.A. 13.10 mag 9.66 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 21494+3045 (HD 207593) : ALADIN DSS IMAGE @ 21h 49m 23.85s +30° 45' 14.1"
 
 
 
 
WDS 21494+3045 STF 2829 (HD 207593) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21494+3045 STF2829 distance=0' 21494+3048 GRV 511 distance=4' 21511+3046 DEA 89 distance=23' 21487+3115 HJ 1695 distance=32' 21516+3030 MLB 669 distance=33' 21479+3117 HJ 1688 distance=37' 21455+3113 TDT3141 distance=58' 21451+3026 TDT3136 distance=60' 21534+3115 TDT3217 distance=60' 21501+3151 BU 692AB distance=67' 21501+3151 FOX 264AD distance=67' 21501+3151 FOX 264AE distance=67' 21501+3151 BU 692AC distance=67' 21501+3151 BU 692BC distance=67' 21457+2957 TDT3145 distance=69' 21458+2954 TDT3146 distance=70' 21458+2945 DAM 236 distance=77' 21455+2948 DAM 237 distance=77' 21473+2932 STJ 58 distance=78' 21470+2930 GRV 503 distance=81' 21530+2939 BRT 59 distance=82' 21457+3152 J 2356 distance=83' 21449+3145 ES 381 distance=83' 21444+3140 HJ 1686 distance=84' 21429+3014 TDT3119 distance=90' 21566+3053 HDS3119 distance=93' 21442+2942 MLB 493 distance=93' 21532+3205 ES 2322AB distance=94' 21532+3205 ES 2322AD distance=94' 21532+3205 ES 2322BC distance=95' 21422+3100 OSO 154AB distance=95' 21422+3100 OSO 154AC distance=95' 21422+3100 OSO 154AD distance=95' 21422+3100 OSO 154AE distance=95' 21532+3205 ES 2322DE distance=95' 21510+2911 A 889AB distance=98' 21510+2911 A 889Aa,Ab distance=98' 21530+3210 KPP4254 distance=98' 21555+2942 HO 609AB distance=98' 21555+2942 HO 609AC distance=98' 21555+2942 HO 609AD distance=98' 21555+2942 HO 609AE distance=98' 21430+2951 KPP 498 distance=100' 21422+3008 MLB 575BC distance=100' 21564+3001 MLB 721AB distance=101' 21564+3001 MLB 721AC distance=101' 21422+3008 MLB 575AC distance=101' 21559+3141 ES 2360 distance=101' 21441+3203 J 2355 distance=102' 21544+3204 TDT3227 distance=102' 21431+3149 A 1222 distance=103' 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 21494+3045 STF2829 15 17.1
Show 21494+3048 GRV 511 228 40.4 4
Show 21511+3046 DEA 89 204 14.8 23
Show 21487+3115 HJ 1695 115 13.3 32
Show 21516+3030 MLB 669 309 3.2 33
Show 21479+3117 HJ 1688 351 16.4 37
Show 21455+3113 TDT3141 358 2.5 58
Show 21451+3026 TDT3136 0.8 60
Show 21534+3115 TDT3217 327 4.2 60
Show 21501+3151 BU 692 AB 10 2.9 67
Show 21501+3151 FOX 264 AD 150 40.2 67
Show 21501+3151 FOX 264 AE 178 54.5 67
Show 21501+3151 BU 692 AC 292 40.9 67
Show 21501+3151 BU 692 BC 292 40.8 67
Show 21457+2957 TDT3145 250 2.2 69
Show 21458+2954 TDT3146 359 2.5 70
Show 21458+2945 DAM 236 143 5.9 77
Show 21455+2948 DAM 237 233 6.3 77
Show 21473+2932 STJ 58 193 1.8 78
Show 21470+2930 GRV 503 331 20.4 81
Show 21530+2939 BRT 59 355 4.4 82
Show 21457+3152 J 2356 135 6.3 83
Show 21449+3145 ES 381 110 4.6 83
Show 21444+3140 HJ 1686 229 13.7 84
Show 21429+3014 TDT3119 157 2.7 90
Show 21566+3053 HDS3119 33 0.6 93
Show 21442+2942 MLB 493 330 8.6 93
Show 21532+3205 ES 2322 AB 52 35.7 94
Show 21532+3205 ES 2322 AD 352 62.1 94
Show 21532+3205 ES 2322 BC 147 5.1 95
Show 21422+3100 OSO 154 AB 25 15.3 95
Show 21422+3100 OSO 154 AC 239 15.8 95
Show 21422+3100 OSO 154 AD 166 16.4 95
Show 21422+3100 OSO 154 AE 108 19.6 95
Show 21532+3205 ES 2322 DE 276 5.0 95
Show 21510+2911 A 889 AB 15 0.2 98
Show 21510+2911 A 889 Aa,Ab 323 0.0 98
Show 21530+3210 KPP4254 337 2.2 98
Show 21555+2942 HO 609 AB 356 3.3 98
Show 21555+2942 HO 609 AC 132 22.1 98
Show 21555+2942 HO 609 AD 147 30.4 98
Show 21555+2942 HO 609 AE 347 31.7 98
Show 21430+2951 KPP 498 58 3.9 100
Show 21422+3008 MLB 575 BC 108 2.7 100
Show 21564+3001 MLB 721 AB 15 1.6 101
Show 21564+3001 MLB 721 AC 200 6.9 101
Show 21422+3008 MLB 575 AC 133 17.4 101
Show 21559+3141 ES 2360 226 4.2 101
Show 21441+3203 J 2355 346 3.5 102
Show 21544+3204 TDT3227 175 1.3 102
Show 21431+3149 A 1222 352 0.7 103

 
 
WDS 21494+3045 : COMPONENTS
 
 
  A
B pa=13.1°
sep=16.91"
 
 
21494+3045 A
 
 
Componente originario normalizzato AB Name HD 207593 Coord arcsec 2000 214923.85+304514.1 Mag 8.91
Spectral class A0 (white) PmRA 3.00 PmDE 0.0 SAO 71734
HIP 107728 Tycho2 2718-02227-1 HD 207593 GC 30556
BD BD+30 4537
Tycho2
Tycho2 2718-02227-1 Pflag RAmdeg 327.34936207 DEmdeg 30.75390536
PmRA 3.9 PmDE 1.2 E RAmdeg 8 E DEmdeg 8
E pmRA 1.3 E pmDE 1.1 EpRAm 1991.01 EpDEm 1991.11
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.3
Q pmDE 1.5 BTmag 9.092 E BTmag 0.017 VTmag 8.915
E VTmag 0.015 Prox 170 TYC T HIP 107728
CCDM A RAdeg 327.34935139 DEdeg 30.75390278 EpRA 1990 1.54
EpDE 1990 1.78 E RAdeg 8.0 E DEdeg 7.6 Posflg
Corr 0.0
SAO
SAO 71734 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 0.024 Vmag 8.4 SpType A0
Double code Source 70 CatNum 30556 DM BD+30 4537
DMcomp BDsup HD 207593 M HD 0
GC 30556 RA1950rad 5.70370695 DE1950rad 0.53268243 PmRA2000 0.0013
PmDE2000 0.02
Hipparcos
Catalog H HIP 107728 Proxy RAhms 21 49 23.84
DEdms +30 45 14.1 Vmag 8.91 VarFlag R Vmag H
RAdeg 327.349 DEdeg 30.7539 AstroRef A Plx 11.28
CCDM 21494+3045 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 207593 BD BD+30 4537
CD CP Dm number +30 4537 VIred 0.13
SpType A0 R SpType Coord arcsec 2000 214923.84+304514.1
Hipparcos 2
HIP 107728 Sn 95 So 3 Nc 1
RArad 5.7133240142 DErad 0.5367568941 Plx 7.95 PmRA 1.59
PmDE 0.33 E RArad 2.22 E DErad 2.48 E Plx 3.4
E pmRA 2.67 E pmDE 2.67 Hpmag 8.9728 E Hpmag 0.0178
SHp 0.094 VA 0 BV 0.18 E BV 0.026
VI 0.2
CCDM
Ccdm 21494+3045 RComp Comp A Note1
Note2 Discov num DRAs -0.12 DDEs 14.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.4 Sp A0 PmNote *
PmRA 10 PmDE 6 Dm number +30 4537 Cat1 BD
Name2 +30 2416 Cat2 AGK2/3 HD 207593 M HD
ADS BDS A15353 M ADS BDS N IDS IDS 21450N3017A
HIC 107728
 
 
21494+3045 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 214924.15+304530.6 Mag 9.66 PmRA 3.00
PmDE 0.0 HIP 107729 Tycho2 2718-02226-1 BD BD+30 4538
Calc delta mag 0.75 Calc coord yes
Tycho2
Tycho2 2718-02226-1 Pflag RAmdeg 327.35079458 DEmdeg 30.75847969
PmRA 0.0 PmDE 2.9 E RAmdeg 15 E DEmdeg 17
E pmRA 1.8 E pmDE 1.8 EpRAm 1990.91 EpDEm 1990.69
Num 4 Q RAmdeg 1.3 Q DEmdeg 0.8 Q pmRA 1.3
Q pmDE 0.8 BTmag 10.048 E BTmag 0.028 VTmag 9.660
E VTmag 0.026 Prox 170 TYC T HIP 107729
CCDM B RAdeg 327.35079472 DEdeg 30.75847306 EpRA 1990 1.71
EpDE 1990 1.73 E RAdeg 15.4 E DEdeg 17.0 Posflg D
Corr 0.1
Hipparcos
Catalog H HIP 107729 Proxy RAhms 21 49 24.19
DEdms +30 45 30.5 Vmag 9.56 VarFlag R Vmag H
RAdeg 327.351 DEdeg 30.7585 AstroRef B Plx 9.96
CCDM 21494+3045 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD BD+30 4538
CD CP Dm number +30 4538 VIred 0.25
SpType A2 R SpType Coord arcsec 2000 214924.19+304530.5
Hipparcos 2
HIP 107729 Sn 95 So 3 Nc 1
RArad 5.7133493572 DErad 0.5368367319 Plx 6.6 PmRA 0.47
PmDE 2.96 E RArad 3.9 E DErad 5.75 E Plx 6.4
E pmRA 5.36 E pmDE 6.23 Hpmag 9.6279 E Hpmag 0.0283
SHp 0 VA 0 BV 0.375 E BV 0.038
VI 0.44
CCDM
Ccdm 21494+3045 RComp Comp B Note1
Note2 Discov num STF2829 DRAs 0.11 DDEs 30.5
R dRAs 10 Year 1831 Theta 016 Rho 17.2
Obs 7 Vmag 9.8 Sp A2 PmNote *
PmRA -13 PmDE 4 Dm number +30 4538 Cat1 BD
Name2 +30 2417 Cat2 AGK2/3 HD M HD
ADS BDS A15353 M ADS BDS N IDS IDS 21450N3017B
HIC 107729