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Current system
04218+5002
STF 521
HD 27395


Nearby doubles
15' : 04232+5008
SKF 354

16' : 04210+5015
S 445AB

23' : 04209+5023
STF 519AB

24' : 04229+4940
ES 1069

31' : 04231+4934
STF 524

45' : 04201+4921
COU2167

48' : 04225+5043
BAZ 4

56' : 04245+5051
COU2459AB

57' : 04190+5052
IPH 8

59' : 04221+5101
HU 213

79' : 04248+4850
LDS3582

80' : 04152+5052
AG 309

81' : 04284+4914
HDS 575

83' : 04150+4912
TDS2800

84' : 04272+4858
TDS2852

86' : 04306+5014
HU 550

87' : 04270+4853
WSS 2

88' : 04180+4843
LDS3567

88' : 04259+5120
HU 549

88' : 04132+5032
CHR 15

90' : 04168+5118
ES 1068AB

94' : 04219+4829
BVD 196

95' : 04225+5136
STF 522

97' : 04152+5115
HU 548

97' : 04265+5128
LDS5556

99' : 04118+4945
YSC 29



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.

04218+5002 STF 521 (HD 27395)

 
 
04h 21m 45.39s +50° 02' 06.5" P.A. 257.00 sep 2.1 mag 7.44,9.17 Sp G0 dist. 813.01 pc (2652.04 l.y.)
 
 
Coord 2000 04218+5002 Discov num STF 521 Comp Coord arcsec 2000 04 21 45.39 +50 02 06.5
Date first 1828 Date last 2015 Obs 22
Pa first 253 Pa last 257.1 P.A. Now (θ) 257.1°
Sep first 2.0 Sep last 2.051 Sep. Now (ρ) 2.051"
Mag pri 7.44 Mag sec 9.17 delta mag (ΔM) 1.73 Spectral class G0 (yellow)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -005 Sec motion dec -005
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 27395 Constellation Perseus SAO 39484 HIP 20370
Tycho2 3337-00897-1 Gaia DR2 270649533118300288 HD 27395 GC 5258
BD BD+49 1165 Distance 813.01 Distance ly 2652.04
 
 
WDS 04218+5002 STF 521 (HD 27395) : 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
04218+5002 STF 521 1995 18 263 1.9 7.44 9.17 G0 D 042145.39+500206.5
04218+5002 STF 521 2007 19 257 2.0 7.44 9.17 G0 D 042145.39+500206.5
04218+5002 STF 521 2008 20 259 2.0 7.44 9.17 G0 D 042145.39+500206.5
04218+5002 STF 521 2015 21 259 2.0 7.44 9.17 G0 042145.39+500206.5

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

 
 
WDS 04218+5002 STF 521 (HD 27395) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04218+5002 STF 521 (HD 27395) : MEASURES
 
 
No records found.

 
 
WDS 04218+5002 (HD 27395) : VIRTUAL EYEPIECE
 
 

04218+5002 STF 521A mag 7.44 Sp G0 04218+5002 STF 521B sep 1.4 P.A. 250.40 mag 9.17 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 04218+5002 (HD 27395) : ALADIN DSS IMAGE @ 04h 21m 45.39s +50° 02' 06.5"
 
 
 
 
WDS 04218+5002 STF 521 (HD 27395) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04218+5002 STF 521 distance=0' 04232+5008 SKF 354 distance=15' 04210+5015 S 445AB distance=16' 04210+5015 S 445AC distance=16' 04210+5015 ES 2604AD distance=16' 04210+5015 ES 2604BE distance=17' 04209+5023 STF 519AB distance=23' 04209+5023 GUI 5AC distance=23' 04229+4940 ES 1069 distance=24' 04231+4934 STF 524 distance=31' 04201+4921 COU2167 distance=45' 04225+5043 BAZ 4 distance=48' 04245+5051 COU2459AB distance=56' 04245+5051 TOK 245AC distance=56' 04190+5052 IPH 8 distance=57' 04221+5101 HU 213 distance=59' 04248+4850 LDS3582 distance=79' 04152+5052 AG 309 distance=80' 04284+4914 HDS 575 distance=81' 04150+4912 TDS2800 distance=83' 04272+4858 TDS2852 distance=84' 04306+5014 HU 550 distance=86' 04270+4853 WSS 2 distance=87' 04180+4843 LDS3567 distance=88' 04259+5120 HU 549 distance=88' 04132+5032 CHR 15 distance=88' 04168+5118 ES 1068BC distance=90' 04168+5118 ES 1068AB distance=90' 04219+4829 BVD 196 distance=94' 04225+5136 STF 522 distance=95' 04152+5115 HU 548 distance=97' 04265+5128 LDS5556 distance=97' 04118+4945 YSC 29 distance=99' 04224+5149 AG 310AB distance=107' 04224+5149 SIN 10AC distance=107' 04224+5149 SIN 10AD distance=107' 04224+5149 SIN 10AE distance=107' 04224+5149 SIN 10AF distance=107' 04224+5149 SIN 10AG distance=107' 04179+5144 FMR 65 distance=109' 04314+5108 TDS2882 distance=113' 04149+4825 STT 73AB distance=119' 04149+4825 H 6 20AC distance=119' 04149+4825 STT 73AD distance=119' 04333+5103 STF 553 distance=126' 04087+5016 HU 211 distance=127' 04142+5150 SCA 184 distance=130' 04142+5149 HU 212AB distance=130' 04142+5149 HU 212AC distance=130' 04376+4928 TOR 3 distance=130' 04236+4749 COU2168 distance=135' 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 04218+5002 STF 521 257 2.1
Show 04232+5008 SKF 354 143 4.1 15
Show 04210+5015 S 445 AB 328 71.0 16
Show 04210+5015 S 445 AC 263 150.3 16
Show 04210+5015 ES 2604 AD 321 24.8 16
Show 04210+5015 ES 2604 BE 263 23.3 17
Show 04209+5023 STF 519 AB 348 17.9 23
Show 04209+5023 GUI 5 AC 193 108.8 23
Show 04229+4940 ES 1069 106 4.3 24
Show 04231+4934 STF 524 58 7.0 31
Show 04201+4921 COU2167 199 0.5 45
Show 04225+5043 BAZ 4 357 9.2 48
Show 04245+5051 COU2459 AB 130 1.0 56
Show 04245+5051 TOK 245 AC 181 367.6 56
Show 04190+5052 IPH 8 344 19.2 57
Show 04221+5101 HU 213 33 0.7 59
Show 04248+4850 LDS3582 353 93.1 79
Show 04152+5052 AG 309 278 36.4 80
Show 04284+4914 HDS 575 317 0.5 81
Show 04150+4912 TDS2800 202 1.3 83
Show 04272+4858 TDS2852 269 0.5 84
Show 04306+5014 HU 550 298 0.5 86
Show 04270+4853 WSS 2 50 1.3 87
Show 04180+4843 LDS3567 120 9.8 88
Show 04259+5120 HU 549 172 1.9 88
Show 04132+5032 CHR 15 39 1.9 88
Show 04168+5118 ES 1068 BC 75 3.1 90
Show 04168+5118 ES 1068 AB 105 48.6 90
Show 04219+4829 BVD 196 214 9.3 94
Show 04225+5136 STF 522 211 1.5 95
Show 04152+5115 HU 548 254 0.3 97
Show 04265+5128 LDS5556 287 116.0 97
Show 04118+4945 YSC 29 314 0.3 99
Show 04224+5149 AG 310 AB 25 21.4 107
Show 04224+5149 SIN 10 AC 98 20.8 107
Show 04224+5149 SIN 10 AD 126 64.4 107
Show 04224+5149 SIN 10 AE 329 69.5 107
Show 04224+5149 SIN 10 AF 345 87.8 107
Show 04224+5149 SIN 10 AG 5 104.3 107
Show 04179+5144 FMR 65 333 13.1 109
Show 04314+5108 TDS2882 286 0.5 113
Show 04149+4825 STT 73 AB 349 15.0 119
Show 04149+4825 H 6 20 AC 233 84.1 119
Show 04149+4825 STT 73 AD 124 48.4 119
Show 04333+5103 STF 553 135 3.2 126
Show 04087+5016 HU 211 274 1.6 127
Show 04142+5150 SCA 184 122 5.6 130
Show 04142+5149 HU 212 AB 24 0.6 130
Show 04142+5149 HU 212 AC 193 4.8 130
Show 04376+4928 TOR 3 320 3.5 130
Show 04236+4749 COU2168 206 1.1 135

 
 
WDS 04218+5002 : COMPONENTS
 
 
  A
B pa=250.4°
sep=1.36"
 
 
04218+5002 A
 
 
Componente originario normalizzato AB Name HD 27395 Coord arcsec 2000 042145.39+500206.5 Mag 7.44
Spectral class G0 (yellow) PmRA 3.00 PmDE -5.0 SAO 39484
HIP 20370 Tycho2 3337-00897-1 HD 27395 GC 5258
BD BD+49 1165
Tycho2
Tycho2 3337-00897-1 Pflag P RAmdeg 65.43913213 DEmdeg 50.03513515
PmRA 2.8 PmDE -4.9 E RAmdeg 5 E DEmdeg 6
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.69 EpDEm 1991.39
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.097 E BTmag 0.018 VTmag 7.444
E VTmag 0.011 Prox 20 TYC T HIP 20370
CCDM A RAdeg 65.43946667 DEdeg 50.03518667 EpRA 1990 1.75
EpDE 1990 1.49 E RAdeg 4.8 E DEdeg 6.1 Posflg D
Corr 0.2
SAO
SAO 39484 DelFlag RA1950 PmRA1950 0.0003
DE1950 PmDE1950 -0.019 Vmag 7.4 SpType G0
Double code Source 70 CatNum 5258 DM BD+49 1165
DMcomp BDsup HD 27395 M HD 0
GC 5258 RA1950rad 1.12571008 DE1950rad 0.87122059 PmRA2000 0.0002
PmDE2000 -0.021
Hipparcos
Catalog H HIP 20370 Proxy H RAhms 04 21 45.47
DEdms +50 02 06.7 Vmag 7.11 VarFlag R Vmag G
RAdeg 65.4395 DEdeg 50.0352 AstroRef A Plx 2.15
CCDM 04218+5002 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 259 Rho 2.027 HD 27395 BD BD+49 1165
CD CP Dm number +49 1165 VIred 0.22
SpType G0 R SpType Coord arcsec 2000 042145.47+500206.7
Hipparcos 2
HIP 20370 Sn 15 So 3 Nc 2
RArad 1.1421340899 DErad 0.8732787768 Plx 1.23 PmRA 4.38
PmDE -3.81 E RArad 0.83 E DErad 0.53 E Plx 1.1
E pmRA 1.25 E pmDE 0.79 Hpmag 7.2795 E Hpmag 0.0021
SHp 0.02 VA 0 BV 1.322 E BV 0.03
VI 1.31
CCDM
Ccdm 04218+5002 RComp Comp A Note1
Note2 Discov num DRAs -2.69 DDEs 6.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp G0 PmNote *
PmRA -10 PmDE -12 Dm number +49 1165 Cat1 BD
Name2 +49 506 Cat2 AGK2/3 HD 27395 M HD
ADS BDS A 3141 M ADS BDS N IDS IDS 04142N4948A
HIC 20370
 
 
04218+5002 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042145.26+500206.0 Mag 9.17 PmRA 3.00
PmDE -5.0 Tycho2 3337-00897-2 Calc delta mag 1.73 Calc coord yes
Tycho2
Tycho2 3337-00897-2 Pflag P RAmdeg 65.43913213 DEmdeg 50.03513515
PmRA 2.8 PmDE -4.9 E RAmdeg 5 E DEmdeg 6
E pmRA 2.3 E pmDE 2.2 EpRAm 1991.69 EpDEm 1991.39
Num 4 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 9.351 E BTmag 0.021 VTmag 9.167
E VTmag 0.021 Prox 20 TYC HIP 20370
CCDM B RAdeg 65.43860028 DEdeg 50.03508583 EpRA 1990 1.75
EpDE 1990 1.49 E RAdeg 9.3 E DEdeg 12.7 Posflg D
Corr 0.2
CCDM
Ccdm 04218+5002 RComp Comp B Note1
Note2 Discov num STF 521 DRAs DDEs
R dRAs Year 1830 Theta 257 Rho 2.1
Obs 10 Vmag 9.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 3141 M ADS BDS N IDS IDS 04142N4948B
HIC 20370