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Current system
02521+3718
STF 316
HD 17757


Nearby doubles
12' : 02524+3729
MET 17AB

24' : 02503+3729
UC 823

28' : 02497+3721
ES 2553

32' : 02497+3704
ES 2552

35' : 02494+3730
CRB 51

36' : 02523+3754
ES 2554

38' : 02489+3714
COU1073

44' : 02542+3644
ES 2555

46' : 02539+3638
ALI 273

49' : 02524+3806
ALI 507

49' : 02550+3644
A 1823

51' : 02534+3806
ES 2455

51' : 02481+3733
AG 51AB

52' : 02564+3716
ES 2146AB

60' : 02538+3814
J 885

60' : 02537+3815
UC 841

62' : 02523+3617
MET 16

64' : 02536+3618
ALI 41

64' : 02506+3819
BUP 34AB

65' : 02471+3744
A 1821AB

66' : 02537+3820
BU 524AB

67' : 02542+3819
UC 845

68' : 02543+3820
UC 846AB

69' : 02546+3819
UC 853

70' : 02544+3822
UC 849

72' : 02499+3824
ES 2454



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.

02521+3718 STF 316 (HD 17757)

 
 
02h 52m 05.13s +37° 17' 45.7" P.A. 135.00 sep 14.4 mag 9.46,9.74 Sp F8
 
 
Coord 2000 02521+3718 Discov num STF 316 Comp Coord arcsec 2000 02 52 05.13 +37 17 45.7
Date first 1830 Date last 2018 Obs 43
Pa first 134 Pa last 135.1 P.A. Now (θ) 135.1°
Sep first 13.9 Sep last 14.36 Sep. Now (ρ) 14.36"
Mag pri 9.46 Mag sec 9.74 delta mag (ΔM) 0.28 Spectral class F8 (yellow-white)
Pri motion ra -042 Sec motion ra -039
Pri motion dec -008 Sec motion dec -010
Notes V (Proper motion indicates physical)
rPM=0.084 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 17757 Constellation Perseus SAO 55954 Tycho2 2338-01039-1
Gaia DR2 141502164334391168 HD 17757 GC 3433
 
 
WDS 02521+3718 STF 316 (HD 17757) : NOTES
 
 
No records found.

 
 
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
02521+3718 STF 316 2003 33 135 14.3 9.46 9.74 F8 D 025205.13+371745.7
02521+3718 STF 316 2010 34 135 14.5 9.46 9.74 F8 D 025205.13+371745.7
02521+3718 STF 316 2011 36 135 14.3 9.46 9.74 F8 D 025205.13+371745.7
02521+3718 STF 316 2015 38 136 14.2 9.46 9.74 F8 025205.13+371745.7
02521+3718 STF 316 2018 43 135 14.4 9.46 9.74 F8 V 025205.13+371745.7

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

 
 
WDS 02521+3718 STF 316 (HD 17757) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02521+3718 STF 316 (HD 17757) : MEASURES
 
 
No records found.

 
 
WDS 02521+3718 (HD 17757) : VIRTUAL EYEPIECE
 
 

02521+3718 STF 316A mag 9.46 Sp F8 02521+3718 STF 316B sep 13.0 P.A. 141.60 mag 9.74 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 02521+3718 (HD 17757) : ALADIN DSS IMAGE @ 02h 52m 05.13s +37° 17' 45.7"
 
 
 
 
WDS 02521+3718 STF 316 (HD 17757) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02521+3718 STF 316 distance=0' 02524+3729 MET 17Aa,Ab distance=12' 02524+3729 MET 17AB distance=12' 02503+3729 UC 823 distance=24' 02497+3721 ES 2553 distance=28' 02497+3704 ES 2552 distance=32' 02494+3730 CRB 51 distance=35' 02523+3754 ES 2554 distance=36' 02489+3714 COU1073 distance=38' 02496+3648 A 1822CE distance=42' 02542+3644 ES 2555 distance=44' 02539+3638 ALI 273 distance=46' 02524+3806 ALI 507 distance=49' 02550+3644 A 1823 distance=49' 02534+3806 ES 2455 distance=51' 02481+3733 AG 51AB distance=51' 02564+3716 ES 2146AB distance=52' 02564+3716 ES 2146AC distance=52' 02564+3716 ES 2146BC distance=52' 02538+3814 J 885 distance=60' 02537+3815 UC 841 distance=60' 02523+3617 MET 16 distance=62' 02536+3618 ALI 41 distance=64' 02506+3819 BUP 34AB distance=64' 02506+3819 STT 556AC distance=64' 02471+3744 A 1821AB distance=65' 02471+3744 A 1821AC distance=65' 02537+3820 BU 524AB distance=66' 02537+3820 STF 318AB,C distance=66' 02537+3820 STF 318AB,D distance=66' 02542+3819 UC 845 distance=67' 02543+3820 UC 846AB distance=68' 02543+3820 UC 846AC distance=68' 02543+3820 UC 846BC distance=68' 02546+3819 UC 853 distance=69' 02544+3822 UC 849 distance=70' 02499+3824 ES 2454 distance=72' 02542+3825 UC 844 distance=72' 02551+3820 UC 864 distance=72' 02549+3822 UC 858AB distance=73' 02549+3822 UC 858AC distance=73' 02549+3822 UC 858BC distance=73' 02547+3824 UC 854AB distance=73' 02547+3824 UC 854AE distance=73' 02547+3824 UC 854AC distance=73' 02547+3824 UC 854AD distance=73' 02547+3824 UC 854CD distance=73' 02547+3824 UC 854BC distance=74' 02547+3824 UC 854BD distance=74' 02483+3620 HU 604 distance=74' 02472+3634 COU1072 distance=74' 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 02521+3718 STF 316 135 14.4
Show 02524+3729 MET 17 Aa,Ab 91 0.6 12
Show 02524+3729 MET 17 AB 74 5.1 12
Show 02503+3729 UC 823 39 4.0 24
Show 02497+3721 ES 2553 178 6.2 28
Show 02497+3704 ES 2552 260 4.4 32
Show 02494+3730 CRB 51 146 19.0 35
Show 02523+3754 ES 2554 158 8.3 36
Show 02489+3714 COU1073 319 1.6 38
Show 02496+3648 A 1822 CE 310 2.0 42
Show 02542+3644 ES 2555 182 5.8 44
Show 02539+3638 ALI 273 171 8.9 46
Show 02524+3806 ALI 507 301 15.0 49
Show 02550+3644 A 1823 163 3.1 49
Show 02534+3806 ES 2455 207 8.1 51
Show 02481+3733 AG 51 AB 285 11.3 51
Show 02564+3716 ES 2146 AB 93 4.0 52
Show 02564+3716 ES 2146 AC 103 8.8 52
Show 02564+3716 ES 2146 BC 111 5.0 52
Show 02538+3814 J 885 273 4.2 60
Show 02537+3815 UC 841 358 45.5 60
Show 02523+3617 MET 16 12 4.8 62
Show 02536+3618 ALI 41 331 14.2 64
Show 02506+3819 BUP 34 AB 122 75.8 64
Show 02506+3819 STT 556 AC 149 231.3 64
Show 02471+3744 A 1821 AB 166 5.3 65
Show 02471+3744 A 1821 AC 44 10.6 65
Show 02537+3820 BU 524 AB 319 0.2 66
Show 02537+3820 STF 318 AB,C 237 13.9 66
Show 02537+3820 STF 318 AB,D 40 58.1 66
Show 02542+3819 UC 845 355 50.5 67
Show 02543+3820 UC 846 AB 33 29.6 68
Show 02543+3820 UC 846 AC 67 33.1 68
Show 02543+3820 UC 846 BC 130 18.5 68
Show 02546+3819 UC 853 284 50.1 69
Show 02544+3822 UC 849 12 33.7 70
Show 02499+3824 ES 2454 180 7.7 72
Show 02542+3825 UC 844 110 47.0 72
Show 02551+3820 UC 864 23 65.3 72
Show 02549+3822 UC 858 AB 310 61.2 73
Show 02549+3822 UC 858 AC 242 55.9 73
Show 02549+3822 UC 858 BC 182 65.1 73
Show 02547+3824 UC 854 AB 354 21.7 73
Show 02547+3824 UC 854 AE 214 64.9 73
Show 02547+3824 UC 854 AC 296 34.5 73
Show 02547+3824 UC 854 AD 2 56.1 73
Show 02547+3824 UC 854 CD 39 52.8 73
Show 02547+3824 UC 854 BC 257 29.3 74
Show 02547+3824 UC 854 BD 8 34.8 74
Show 02483+3620 HU 604 202 2.0 74
Show 02472+3634 COU1072 31 0.7 74

 
 
WDS 02521+3718 : COMPONENTS
 
 
  A
B pa=141.6°
sep=12.98"
 
 
02521+3718 A
 
 
Componente originario normalizzato AB Name HD 17757 Coord arcsec 2000 025205.13+371745.7 Mag 9.46
Spectral class F8 (yellow-white) PmRA -42.00 PmDE -8.0 SAO 55954
Tycho2 2338-01039-1 HD 17757 GC 3433 DM BD+36 581
Tycho2
Tycho2 2338-01039-1 Pflag RAmdeg 43.02138307 DEmdeg 37.29603456
PmRA -37.7 PmDE -13.8 E RAmdeg 18 E DEmdeg 19
E pmRA 1.7 E pmDE 1.6 EpRAm 1989.79 EpDEm 1989.29
Num 8 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 10.069 E BTmag 0.034 VTmag 9.455
E VTmag 0.028 Prox 143 TYC T HIP
CCDM RAdeg 43.02149111 DEdeg 37.29606722 EpRA 1990 1.74
EpDE 1990 1.62 E RAdeg 17.9 E DEdeg 19.4 Posflg
Corr -0.2
SAO
SAO 55954 DelFlag RA1950 PmRA1950 -0.0036
DE1950 PmDE1950 -0.003 Vmag 9.4 SpType F8
Double code Source 70 CatNum 3433 DM BD+36 581
DMcomp BDsup HD 17757 M HD 0
GC 3433 RA1950rad 0.73719019 DE1950rad 0.64736959 PmRA2000 -0.0036
PmDE2000 -0.006
CCDM
Ccdm 02521+3718 RComp Comp A Note1
Note2 Discov num DRAs -0.87 DDEs -14.2
R dRAs 12 Year Theta Rho
Obs 2 Vmag 10.1 Sp F8 PmNote
PmRA -124 PmDE -22 Dm number +36 581 Cat1 BD
Name2 +37 341 Cat2 AGK2/3 HD 17757 M HD
ADS BDS A 2180 M ADS BDS N IDS IDS 02458N3653A
HIC
 
 
02521+3718 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 025205.81+371735.5 Mag 9.74 PmRA -39.00
PmDE -10.0 Tycho2 2338-01040-1 Calc delta mag 0.28 Calc coord yes
Tycho2
Tycho2 2338-01040-1 Pflag RAmdeg 43.02488888 DEmdeg 37.29323232
PmRA -45.9 PmDE -14.0 E RAmdeg 22 E DEmdeg 24
E pmRA 2.5 E pmDE 2.4 EpRAm 1990.42 EpDEm 1989.95
Num 4 Q RAmdeg 1.7 Q DEmdeg 0.7 Q pmRA 1.7
Q pmDE 0.7 BTmag 10.227 E BTmag 0.039 VTmag 9.737
E VTmag 0.036 Prox 143 TYC T HIP
CCDM RAdeg 43.02502167 DEdeg 37.29326500 EpRA 1990 1.73
EpDE 1990 1.63 E RAdeg 21.6 E DEdeg 24.0 Posflg
Corr -0.1
CCDM
Ccdm 02521+3718 RComp Comp B Note1
Note2 Discov num STF 316 DRAs DDEs
R dRAs Year 1957 Theta 134 Rho 14.3
Obs 14 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 +37 342 Cat2 AGK2/3 HD M HD
ADS BDS A 2180 M ADS BDS N IDS IDS 02458N3653B
HIC