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Doubles in session


Current system
02581+6912
STF 317
HD 18056


Nearby doubles
17' : 03007+6920
TDS2411

43' : 02569+6953
HJ 1128

52' : 03039+6831
HU 1052

53' : 03025+6959
TDS2425

56' : 02489+6938
DRS 3AB

56' : 02496+6840
MLR 386

61' : 03024+7007
TDS2423

64' : 03033+7010
TDS2430

65' : 03093+6849
WFC 13

67' : 02473+6946
HJ 1127AB

71' : 03051+7012
HJ 1129

74' : 02593+7025
TDS2406

77' : 03126+6914
HDS 411

78' : 02462+6828
LDS3426AB

78' : 02474+6820
TDS2361

84' : 02433+6845
HJ 1121

86' : 02435+6839
MLR 383

88' : 03144+6926
TDS2492

93' : 03038+7039
HJ 2164

94' : 03059+7036
HDS 394

94' : 03066+6741
HJ 1130

99' : 03108+7028
LDS1564

100' : 02455+7027
TDS2352

101' : 03070+6744
HJ 1131

102' : 03064+6741
VBS 7

103' : 02389+6918
STF 278



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.

02581+6912 STF 317 (HD 18056)

 
 
02h 58m 07.08s +69° 11' 35.8" P.A. 82.00 sep 4.0 mag 7.93,9.82 Sp F2 dist. 80.45 pc (262.43 l.y.)
 
 
Coord 2000 02581+6912 Discov num STF 317 Comp Coord arcsec 2000 02 58 07.08 +69 11 35.8
Date first 1828 Date last 2019 Obs 32
Pa first 86 Pa last 82.3 P.A. Now (θ) 82.3°
Sep first 4.0 Sep last 3.983 Sep. Now (ρ) 3.983"
Mag pri 7.93 Mag sec 9.82 delta mag (ΔM) 1.89 Spectral class F2 (yellow-white)
Pri motion ra +088 Sec motion ra +097
Pri motion dec -096 Sec motion dec -095
Notes N (See Notes)
rPM=0.067 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 18056 Constellation Cassiopeia SAO 12530 HIP 13836
Tycho2 4313-00525-1 Gaia DR2 540985907284353792 HD 18056 GC 3530
ADS 2226 BD BD+68 209 Distance 80.45 Distance ly 262.43
 
 
WDS 02581+6912 STF 317 (HD 18056) : NOTES
 
 
discov_num notes refcode
STF 317 BDS mentions a third star 15 sec f at 102.4@.
 
 
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
02581+6912 STF 317 2000 20 84 4.1 7.93 9.82 F2 N D 025807.08+691135.8
02581+6912 STF 317 2011 22 83 3.9 7.93 9.82 F2 N D 025807.08+691135.8
02581+6912 STF 317 2012 24 84 4.1 7.93 9.82 F2 N 025807.08+691135.8
02581+6912 STF 317 2015 26 83 4.1 7.93 9.82 F2 N 025807.08+691135.8
02581+6912 STF 317 2018 27 84 4.2 7.93 9.82 F2 N 025807.08+691135.8
02581+6912 STF 317 2019 30 82 4.0 7.93 9.82 F2 N 025807.08+691135.8

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

 
 
WDS 02581+6912 STF 317 (HD 18056) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 02581+6912 STF 317 (HD 18056) : MEASURES
 
 
No records found.

 
 
WDS 02581+6912 (HD 18056) : VIRTUAL EYEPIECE
 
 

02581+6912 STF 317A mag 7.93 Sp F2 02581+6912 STF 317B sep 1.5 P.A. 69.20 mag 9.82 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 02581+6912 (HD 18056) : ALADIN DSS IMAGE @ 02h 58m 07.08s +69° 11' 35.8"
 
 
 
 
WDS 02581+6912 STF 317 (HD 18056) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

02581+6912 STF 317 distance=0' 03007+6920 TDS2411 distance=17' 02569+6953 HJ 1128 distance=43' 03039+6831 HU 1052 distance=52' 03025+6959 TDS2425 distance=53' 02489+6938 DRS 3AB distance=56' 02489+6938 DRS 3AC distance=56' 02496+6840 MLR 386 distance=56' 03024+7007 TDS2423 distance=61' 03033+7010 TDS2430 distance=64' 03093+6849 WFC 13 distance=65' 02473+6946 TDS2360Aa,Ab distance=67' 02473+6946 HJ 1127AB distance=67' 03051+7012 HJ 1129 distance=71' 02593+7025 TDS2406 distance=74' 03126+6914 HDS 411 distance=77' 02462+6828 LDS3426AB distance=78' 02462+6828 LDS3426AC distance=78' 02474+6820 TDS2361 distance=78' 02433+6845 HJ 1121 distance=84' 02435+6839 MLR 383 distance=86' 03144+6926 TDS2492 distance=88' 03038+7039 HJ 2164 distance=93' 03130+7003 KPP3512BC distance=94' 03059+7036 HDS 394 distance=94' 03066+6741 HJ 1130 distance=94' 03108+7028 LDS1564 distance=99' 02455+7027 TDS2352 distance=100' 03070+6744 HJ 1131 distance=101' 03064+6741 VBS 7 distance=102' 02389+6918 STF 278 distance=103' 02586+6729 TDS2399 distance=103' 02460+6749 HJ 1125 distance=107' 03078+6735 HDS 397 distance=111' 03030+6718 TDS2428 distance=117' 03094+6733 RAO 538 distance=118' 03150+7030 A 976 distance=118' 02488+6721 MLR 385AB distance=122' 03154+6744 TDS2504AB distance=130' 03130+7057 LDS1565 distance=131' 02418+6736 TDS2339 distance=132' 02580+7124 CRB 166 distance=133' 02395+6740 MLR 382 distance=138' 02466+6710 TDS2357 distance=138' 02395+7058 MLR 381 distance=143' 03083+7126 HJ 2168 distance=144' 03057+6651 TDS2440 distance=148' 03115+6700 DAM1298CD distance=151' 03115+6700 TDS 105AB distance=152' 03115+6700 DAM1298AC distance=152' 03013+6635 MLB 392 distance=158' 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 02581+6912 STF 317 82 4.0
Show 03007+6920 TDS2411 226 0.6 17
Show 02569+6953 HJ 1128 104 4.6 43
Show 03039+6831 HU 1052 146 1.3 52
Show 03025+6959 TDS2425 41 1.0 53
Show 02489+6938 DRS 3 AB 230 3.9 56
Show 02489+6938 DRS 3 AC 72 7.3 56
Show 02496+6840 MLR 386 149 2.3 56
Show 03024+7007 TDS2423 159 0.6 61
Show 03033+7010 TDS2430 56 1.5 64
Show 03093+6849 WFC 13 288 8.0 65
Show 02473+6946 TDS2360 Aa,Ab 150 0.5 67
Show 02473+6946 HJ 1127 AB 47 12.5 67
Show 03051+7012 HJ 1129 347 44.1 71
Show 02593+7025 TDS2406 131 0.5 74
Show 03126+6914 HDS 411 36 0.4 77
Show 02462+6828 LDS3426 AB 89 213.5 78
Show 02462+6828 LDS3426 AC 168 174.7 78
Show 02474+6820 TDS2361 69 0.9 78
Show 02433+6845 HJ 1121 238 12.1 84
Show 02435+6839 MLR 383 139 3.0 86
Show 03144+6926 TDS2492 122 1.9 88
Show 03038+7039 HJ 2164 320 5.5 93
Show 03130+7003 KPP3512 BC 125 1.7 94
Show 03059+7036 HDS 394 90 0.6 94
Show 03066+6741 HJ 1130 206 8.0 94
Show 03108+7028 LDS1564 308 1.5 99
Show 02455+7027 TDS2352 337 0.4 100
Show 03070+6744 HJ 1131 118 18.3 101
Show 03064+6741 VBS 7 68 12.2 102
Show 02389+6918 STF 278 17 0.5 103
Show 02586+6729 TDS2399 102 0.4 103
Show 02460+6749 HJ 1125 224 26.2 107
Show 03078+6735 HDS 397 92 0.2 111
Show 03030+6718 TDS2428 323 0.6 117
Show 03094+6733 RAO 538 357 2.8 118
Show 03150+7030 A 976 251 0.5 118
Show 02488+6721 MLR 385 AB 221 0.2 122
Show 03154+6744 TDS2504 AB 16 0.7 130
Show 03130+7057 LDS1565 314 4.8 131
Show 02418+6736 TDS2339 149 1.8 132
Show 02580+7124 CRB 166 215 11.5 133
Show 02395+6740 MLR 382 5 0.2 138
Show 02466+6710 TDS2357 166 0.4 138
Show 02395+7058 MLR 381 264 0.5 143
Show 03083+7126 HJ 2168 297 18.5 144
Show 03057+6651 TDS2440 194 0.5 148
Show 03115+6700 DAM1298 CD 298 1.3 151
Show 03115+6700 TDS 105 AB 131 2.1 152
Show 03115+6700 DAM1298 AC 291 51.9 152
Show 03013+6635 MLB 392 26 7.5 158

 
 
WDS 02581+6912 : COMPONENTS
 
 
  A
B pa=69.2°
sep=1.50"
 
 
02581+6912 A
 
 
Componente originario normalizzato AB Name HD 18056 Coord arcsec 2000 025807.08+691135.8 Mag 7.93
Spectral class F2 (yellow-white) PmRA 88.00 PmDE -96.0 SAO 12530
HIP 13836 Tycho2 4313-00525-1 HD 18056 GC 3530
ADS 2226 BD BD+68 209
Tycho2
Tycho2 4313-00525-1 Pflag RAmdeg 44.52951541 DEmdeg 69.19327591
PmRA 92.0 PmDE -95.4 E RAmdeg 5 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.43 EpDEm 1991.54
Num 8 Q RAmdeg 1.6 Q DEmdeg 0.8 Q pmRA 1.5
Q pmDE 0.7 BTmag 8.338 E BTmag 0.015 VTmag 7.934
E VTmag 0.011 Prox 40 TYC T HIP 13836
CCDM A RAdeg 44.52891583 DEdeg 69.19349639 EpRA 1990 1.66
EpDE 1990 1.68 E RAdeg 4.7 E DEdeg 4.4 Posflg
Corr 0.1
SAO
SAO 12530 DelFlag RA1950 PmRA1950 0.0199
DE1950 PmDE1950 -0.114 Vmag 8 SpType F2
Double code Source 70 CatNum 3530 DM BD+68 209
DMcomp BDsup HD 18056 M HD 0
GC 3530 RA1950rad 0.75712016 DE1950rad 1.20417252 PmRA2000 0.0194
PmDE2000 -0.12
Hipparcos
Catalog H HIP 13836 Proxy H RAhms 02 58 06.93
DEdms +69 11 36.6 Vmag 7.72 VarFlag R Vmag G
RAdeg 44.5289 DEdeg 69.1935 AstroRef A Plx 12.43
CCDM 02581+6912 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 84 Rho 3.995 HD 18056 BD BD+68 209
CD CP Dm number +68 209 VIred 0.49
SpType F2 R SpType Coord arcsec 2000 025806.93+691136.6
Hipparcos 2
HIP 13836 Sn 15 So 3 Nc 2
RArad 0.7771755831 DErad 1.2076545638 Plx 12.43 PmRA 97.88
PmDE -94.35 E RArad 0.48 E DErad 0.58 E Plx 0.83
E pmRA 0.56 E pmDE 0.71 Hpmag 7.8311 E Hpmag 0.0011
SHp 0.013 VA 0 BV 0.426 E BV 0.026
VI 0.49
CCDM
Ccdm 02581+6912 RComp Comp A Note1
Note2 Discov num DRAs 1.03 DDEs -23.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F2 PmNote *
PmRA 91 PmDE -75 Dm number +68 209 Cat1 BD
Name2 +68 148 Cat2 AGK2/3 HD 18056 M HD
ADS BDS A 2226 M ADS BDS N IDS IDS 02490N6848A
HIC 13836
 
 
02581+6912 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 025807.34+691136.3 Mag 9.82 PmRA 97.00
PmDE -95.0 Calc delta mag 1.89 Calc coord yes
CCDM
Ccdm 02581+6912 RComp Comp B Note1
Note2 Discov num STF 317 DRAs DDEs
R dRAs Year 1958 Theta 083 Rho 3.8
Obs 6 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 2226 M ADS BDS N N IDS IDS 02490N6848B
HIC 13836