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Current system
03242+1733
STF 383
HD 21031


Nearby doubles
16' : 03244+1748
LDS3488

21' : 03254+1745
OCC 430

27' : 03225+1744
TOK 875

27' : 03227+1717
BPM 72

28' : 03261+1733
GRV 176

37' : 03220+1715
LDS3483

39' : 03263+1709
JNN 256

46' : 03211+1741
XMI 6

50' : 03207+1736
HJ 3246AB

61' : 03233+1634
A 2343

61' : 03282+1710
DOO 29

63' : 03271+1646
CVR 441

68' : 03219+1831
J 930

74' : 03271+1633
SLW 153

83' : 03271+1845
CHR 10AB

86' : 03299+1704
HJ 3247

88' : 03203+1625
SLE 42AB

93' : 03305+1751
GRV 177

93' : 03183+1810
OCC 910

93' : 03269+1609
BPM 76

95' : 03196+1841
COU 36AB

101' : 03249+1552
BPM 73

103' : 03183+1637
SLE 39

103' : 03310+1659
SLW 155

107' : 03169+1715
COU 361

107' : 03298+1844
WZ 7



Selections
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Binary Systems
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Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

03242+1733 STF 383 (HD 21031)

 
 
03h 24m 14.32s +17° 32' 58.5" P.A. 120.00 sep 5.5 mag 8.48,9.12 Sp G5 dist. 105.37 pc (343.72 l.y.)
 
 
Coord 2000 03242+1733 Discov num STF 383 Comp Coord arcsec 2000 03 24 14.32 +17 32 58.5
Date first 1830 Date last 2020 Obs 39
Pa first 120 Pa last 119.9 P.A. Now (θ) 119.9°
Sep first 5.7 Sep last 5.538 Sep. Now (ρ) 5.538"
Mag pri 8.48 Mag sec 9.12 delta mag (ΔM) 0.64 Spectral class G5 (yellow)
Pri motion ra +001 Sec motion ra +014
Pri motion dec -045 Sec motion dec -053
Notes
rPM=0.278 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21031 Constellation Taurus SAO 93414 HIP 15854
Tycho2 1237-01095-2 Gaia DR2 55780840513067392 HD 21031 GC 4054
BD BD+17 545 Distance 105.37 Distance ly 343.72
 
 
WDS 03242+1733 STF 383 (HD 21031) : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
STF (F. Struve DD - Appendix list #1)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
03242+1733 STF 383 2007 28 120 5.4 8.48 9.12 G5 +17 545 D 032414.32+173258.5
03242+1733 STF 383 2010 30 120 5.3 8.48 9.12 G5 +17 545 D 032414.32+173258.5
03242+1733 STF 383 2016 34 121 5.6 8.48 9.12 G5 +17 545 032414.32+173258.5
03242+1733 STF 383 2017 35 121 5.6 8.48 9.12 G5 +17 545 032414.32+173258.5
03242+1733 STF 383 2020 36 121 5.5 8.48 9.12 G5 +17 545 032414.32+173258.5

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

 
 
WDS 03242+1733 STF 383 (HD 21031) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 03242+1733 STF 383 (HD 21031) : MEASURES
 
 
No records found.

 
 
WDS 03242+1733 (HD 21031) : VIRTUAL EYEPIECE
 
 

03242+1733 STF 383A mag 8.48 Sp G5 03242+1733 STF 383B sep 5.5 P.A. 119.90 mag 9.12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 03242+1733 (HD 21031) : ALADIN DSS IMAGE @ 03h 24m 14.32s +17° 32' 58.5"
 
 
 
 
WDS 03242+1733 STF 383 (HD 21031) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

03242+1733 STF 383 distance=0' 03244+1748 LDS3488 distance=16' 03254+1745 OCC 430 distance=21' 03225+1744 TOK 875 distance=27' 03227+1717 BPM 72 distance=27' 03261+1733 GRV 176 distance=28' 03220+1715 LDS3483 distance=37' 03263+1709 JNN 256 distance=39' 03211+1741 XMI 6 distance=46' 03207+1736 HJ 3246CR distance=48' 03207+1736 HJ 3246AB distance=50' 03207+1736 HJ 3246AD distance=50' 03207+1736 HJ 3246AC distance=50' 03207+1736 HJ 3245BE distance=50' 03207+1736 HJ 3246BC distance=50' 03233+1634 A 2343 distance=61' 03282+1710 DOO 29 distance=61' 03271+1646 CVR 441 distance=63' 03219+1831 J 930 distance=68' 03271+1633 SLW 153 distance=74' 03271+1845 CHR 10AB distance=83' 03271+1845 RBR 35AC distance=83' 03299+1704 HJ 3247 distance=86' 03203+1625 SLE 42AB distance=88' 03203+1625 SLE 42Aa,Ab distance=88' 03305+1751 GRV 177 distance=93' 03183+1810 OCC 910 distance=93' 03269+1609 BPM 76 distance=93' 03196+1841 COU 36AB distance=95' 03196+1841 TOK 476AC distance=95' 03196+1841 TOK 476CD distance=97' 03249+1552 BPM 73 distance=101' 03183+1637 SLE 39 distance=103' 03310+1659 SLW 155 distance=103' 03169+1715 COU 361 distance=107' 03298+1844 WZ 7 distance=107' 03275+1911 A 2345AB distance=109' 03293+1612 OCC 937 distance=110' 03183+1623 SLE 40 distance=111' 03206+1911 STF 377AB distance=111' 03206+1911 STF 377AC distance=111' 03198+1905 OCC 362 distance=112' 03216+1920 GWP 455 distance=113' 03170+1647 GWP 444 distance=114' 03160+1720 SLE 35 distance=120' 03320+1820 LDS3501 distance=120' 03325+1819 TDS2568 distance=127' 03151+1704 TDS2499 distance=135' 03330+1636 TOK 238AB distance=138' 03330+1636 OCC 485Aa,Ab distance=138' 03323+1613 UC 50 distance=141' 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 03242+1733 STF 383 120 5.5 0
Show 03244+1748 LDS3488 112 149.9 16
Show 03254+1745 OCC 430 -1 0.2 21
Show 03225+1744 TOK 875 239 1.7 27
Show 03227+1717 BPM 72 99 89.9 27
Show 03261+1733 GRV 176 253 17.5 28
Show 03220+1715 LDS3483 330 26.0 37
Show 03263+1709 JNN 256 224 1.0 39
Show 03211+1741 XMI 6 254 29.6 46
Show 03207+1736 HJ 3246 CR 158 15.6 48
Show 03207+1736 HJ 3246 AB 194 159.8 50
Show 03207+1736 HJ 3246 AD 226 9.3 50
Show 03207+1736 HJ 3246 AC 138 172.5 50
Show 03207+1736 HJ 3245 BE 103 10.8 50
Show 03207+1736 HJ 3246 BC 80 154.1 50
Show 03233+1634 A 2343 16 5.3 61
Show 03282+1710 DOO 29 211 20.5 61
Show 03271+1646 CVR 441 149 10.1 63
Show 03219+1831 J 930 121 3.8 68
Show 03271+1633 SLW 153 351 17.2 74
Show 03271+1845 CHR 10 AB 29 0.0 83
Show 03271+1845 RBR 35 AC 81 0.9 83
Show 03299+1704 HJ 3247 201 6.9 86
Show 03203+1625 SLE 42 AB 164 20.5 88
Show 03203+1625 SLE 42 Aa,Ab 230 0.0 88
Show 03305+1751 GRV 177 106 26.0 93
Show 03183+1810 OCC 910 142 0.4 93
Show 03269+1609 BPM 76 249 72.2 93
Show 03196+1841 COU 36 AB 143 1.0 95
Show 03196+1841 TOK 476 AC 227 999.9 95
Show 03196+1841 TOK 476 CD 235 416.2 97
Show 03249+1552 BPM 73 154 95.4 101
Show 03183+1637 SLE 39 99 9.5 103
Show 03310+1659 SLW 155 229 52.2 103
Show 03169+1715 COU 361 16 1.8 107
Show 03298+1844 WZ 7 283 7.4 107
Show 03275+1911 A 2345 AB 176 1.0 109
Show 03293+1612 OCC 937 -1 0.1 110
Show 03183+1623 SLE 40 320 12.3 111
Show 03206+1911 STF 377 AB 102 1.2 111
Show 03206+1911 STF 377 AC 223 24.3 111
Show 03198+1905 OCC 362 -1 0.1 112
Show 03216+1920 GWP 455 208 13.9 113
Show 03170+1647 GWP 444 294 22.2 114
Show 03160+1720 SLE 35 171 13.7 120
Show 03320+1820 LDS3501 270 4.0 120
Show 03325+1819 TDS2568 50 2.1 127
Show 03151+1704 TDS2499 196 0.4 135
Show 03330+1636 TOK 238 AB 90 466.9 138
Show 03330+1636 OCC 485 Aa,Ab -1 -1.0 138
Show 03323+1613 UC 50 228 19.7 141

 
 
WDS 03242+1733 : COMPONENTS
 
 
  A
B pa=119.9°
sep=5.54"
 
 
03242+1733 A
 
 
Name HD 21031 Coord arcsec 2000 032414.32+173258.5 Mag 8.48 Spectral class G5 (yellow)
PmRA 1.00 PmDE -45.0 SAO 93414 HIP 15854
Tycho2 1237-01095-2 HD 21031 GC 4054 BD BD+17 545
Tycho2
Tycho2 1237-01095-2 Pflag RAmdeg 51.05966148 DEmdeg 17.54958956
PmRA 17.7 PmDE -55.6 E RAmdeg 10 E DEmdeg 10
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.84 EpDEm 1990.80
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.9 Q pmRA 1.0
Q pmDE 1.8 BTmag 9.190 E BTmag 0.023 VTmag 8.482
E VTmag 0.017 Prox 56 TYC HIP 15854
CCDM A RAdeg 51.05961806 DEdeg 17.54971833 EpRA 1990 1.60
EpDE 1990 1.68 E RAdeg 9.9 E DEdeg 10.3 Posflg
Corr -0.4
SAO
SAO 93414 DelFlag RA1950 PmRA1950 -0.001
DE1950 PmDE1950 -0.042 Vmag 8.4 SpType G5
Double code Source 70 CatNum 4054 DM BD+17 545
DMcomp A BDsup HD 21031 M HD 0
GC 4054 RA1950rad 0.878785 DE1950rad 0.30323637 PmRA2000 -0.001
PmDE2000 -0.044
Hipparcos
Catalog H HIP 15854 Proxy H RAhms 03 24 14.31
DEdms +17 32 59.0 Vmag 8.1 VarFlag R Vmag H
RAdeg 51.0596 DEdeg 17.5497 AstroRef A Plx 5.12
CCDM 14.28 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 120 Rho 5.6 HD BD BD+17 545
CD CP Dm number +17 545 VIred 0.84
SpType G5+... R SpType Coord arcsec 2000 032414.31+173259.0
Hipparcos 2
HIP 15854 Sn 15 So 3 Nc 2
RArad 0.8911583882 DErad 0.306300313 Plx 9.49 PmRA 16.12
PmDE -52.48 E RArad 2.11 E DErad 1.6 E Plx 3.48
E pmRA 3.04 E pmDE 2.75 Hpmag E Hpmag 0.0024
SHp 0.011 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 03242+1733 RComp Comp A Note1
Note2 Discov num DRAs 2.28 DDEs -1.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.5 Sp G5 PmNote *
PmRA 2 PmDE -55 Dm number +17 545 Cat1 BD
Name2 +17 297 Cat2 AGK2/3 HD 21031 M HD
ADS BDS A 2515 M ADS BDS N IDS IDS 03186N1712A
HIC 15854
 
 
03242+1733 B
 
 
Coord arcsec 2000 032414.66+173255.7 Mag 9.12 PmRA 14.00 PmDE -53.0
SAO 93415 GC 4055 DM BD+17 545 Delta magnitude 0.64
Coordinate calculated yes
SAO
SAO 93415 DelFlag RA1950 PmRA1950 0.0019
DE1950 PmDE1950 -0.028 Vmag 9.2 SpType
Double code Source 70 CatNum 4055 DM BD+17 545
DMcomp B BDsup HD M HD
GC 4055 RA1950rad 0.87881967 DE1950rad 0.30322658 PmRA2000 0.0019
PmDE2000 -0.03
CCDM
Ccdm 03242+1733 RComp Comp B Note1
Note2 Discov num STF 383 DRAs 2.63 DDEs -4.7
R dRAs 91 Year 1830 Theta 120 Rho 5.6
Obs 13 Vmag 9.5 Sp PmNote *
PmRA 2 PmDE -55 Dm number Cat1
Name2 +17 298 Cat2 AGK2/3 HD M HD
ADS BDS A 2515 M ADS BDS N IDS IDS 03186N1712B
HIC 15854