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Doubles in session


Current system
04393+1555
STFA 11
Sig1 Tau


Nearby doubles
7' : 04396+1551
LDS3604

13' : 04387+1546
KOH 19AB

18' : 04382+1602
BUP 65AB

22' : 04390+1534
HU 1218

37' : 04385+1630
LDS2260

37' : 04412+1531
HEI 37

38' : 04399+1631
BU 1044

40' : 04404+1631
CHR 154

43' : 04421+1609
LDS2265

44' : 04365+1611
LDS2257

53' : 04375+1509
CHR 153

53' : 04424+1526
LDS3605

56' : 04356+1609
ISM 2

57' : 04385+1651
LDS3602

58' : 04415+1642
A 2353

59' : 04381+1457
LDS5582

60' : 04359+1631
BU 550AB
Aldebaran

61' : 04434+1558
BPM 103

72' : 04397+1443
KPP1825

74' : 04344+1630
OL 107

77' : 04347+1516
KPP1072

78' : 04345+1631
XMI 300AB

82' : 04367+1708
OCC9098

83' : 04397+1717
LDS2261

83' : 04406+1717
LDS2262

83' : 04450+1605
BPM 104



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.

04393+1555 STFA 11 (Sig1 Tau)

 
 
04h 39m 16.50s +15° 55' 04.7" P.A. 194.00 sep 444.0 mag 4.69,5.09 Sp A5Vn+A4m dist. 45.09 pc (147.08 l.y.)
 
 
Coord 2000 04393+1555 Discov num STFA 11 Comp Coord arcsec 2000 04 39 16.50 +15 55 04.7
Date first 1836 Date last 2014 Obs 42
Pa first 192 Pa last 194 P.A. Now (θ) 194°
Sep first 427.4 Sep last 444.01 Sep. Now (ρ) 444.01"
Mag pri 4.69 Mag sec 5.09 delta mag (ΔM) 0.4 Spectral class A5Vn+A4m (white/white)
Pri motion ra +083 Sec motion ra +042
Pri motion dec -019 Sec motion dec -067
Notes N Z (See Notes, Parallax indicates components are physical)
rPM=0.741
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Sig1 Tau Constellation Taurus SAO 94054 HIP 21673
Tycho2 1266-01418-1 Gaia DR2 3309979154400870400 HD 29479 HR 1478
GC 5662 BD BD+15 665 Bayer Sigma 1 Tauri Bayer name Sig1 Tau
Flamsteed 92 Tauri Flamsteed name 92 Tau FK5 2345 Distance 45.09
Distance ly 147.08 Bayer greek σ1 Tau
 
 
WDS 04393+1555 STFA 11 (Sig1 Tau) : NOTES
 
 
discov_num notes refcode
STFA 11 A: sig 2 Tau = 92 Tau. A is a spectroscopic binary.
B: sig 1 Tau = 91 Tau. B is BD+15@665, SB and occultation binary.
 
 
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
04393+1555 STFA 11 2002 35 195 437.5 4.69 5.09 A5Vn A4m NZD 043916.50+155504.7
04393+1555 STFA 11 2008 36 194 436.3 4.69 5.09 A5Vn A4m NZD 043916.50+155504.7
04393+1555 STFA 11 2011 39 194 438.5 4.69 5.09 A5Vn A4m NZD 043916.50+155504.7
04393+1555 STFA 11 2014 42 194 444.0 4.69 5.09 A5Vn A4m NZ 043916.50+155504.7

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

 
 
WDS 04393+1555 STFA 11 (Sig1 Tau) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04393+1555 STFA 11 (Sig1 Tau) : MEASURES
 
 
No records found.

 
 
WDS 04393+1555 (Sig1 Tau) : VIRTUAL EYEPIECE
 
 

04393+1555 STFA 11A mag 4.69 Sp A5Vn 04393+1555 STFA 11B sep 443.0 P.A. 193.50 mag 5.09 Sp A4m 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 04393+1555 (Sig1 Tau) : ALADIN DSS IMAGE @ 04h 39m 16.50s +15° 55' 04.7"
 
 
 
 
WDS 04393+1555 STFA 11 (Sig1 Tau) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04393+1555 STFA 11 distance=0' 04396+1551 LDS3604 distance=7' 04387+1546 KOH 19AB distance=13' 04387+1546 KOH 19AC distance=13' 04382+1602 PAT 12Aa,Ab distance=18' 04382+1602 BUP 65AB distance=18' 04390+1534 HU 1218 distance=22' 04385+1630 LDS2260 distance=37' 04412+1531 HEI 37 distance=37' 04399+1631 BU 1044 distance=38' 04404+1631 CHR 154 distance=40' 04421+1609 LDS2265 distance=43' 04365+1611 LDS2257 distance=44' 04375+1509 CHR 153 distance=53' 04424+1526 LDS3605 distance=53' 04356+1609 ISM 2 distance=56' 04385+1651 LDS3602 distance=57' 04415+1642 A 2353 distance=58' 04381+1457 LDS5582 distance=59' 04359+1631 BU 550AB (Aldebaran) distance=60' 04359+1631 STFB 2AC (Aldebaran) distance=60' 04359+1631 BU 1031AE (Aldebaran) distance=60' 04359+1631 BU 1031AF (Aldebaran) distance=60' 04359+1631 BU 1031CD distance=61' 04434+1558 BPM 103 distance=61' 04397+1443 KPP1825 distance=72' 04344+1630 OL 107 distance=74' 04347+1516 KPP1072 distance=77' 04345+1631 XMI 300AB distance=78' 04345+1631 DAM 344AC distance=78' 04340+1510 RAO 548CD distance=80' 04367+1708 OCC9098 distance=82' 04397+1717 LDS2261 distance=83' 04406+1717 LDS2262 distance=83' 04450+1605 BPM 104 distance=83' 04353+1701 LDS3595 distance=88' 04392+1724 COU 37 distance=89' 04340+1510 CHR 17AB distance=89' 04358+1441 LDS6134 distance=90' 04433+1704 PAT 14 distance=90' 04328+1600 CHR 152 distance=94' 04458+1556 KOH 25 distance=95' 04350+1712 OCC 954 distance=99' 04384+1733 PAT 13 distance=99' 04439+1441 LDS3610 distance=99' 04378+1418 LDS5581AB distance=100' 04378+1418 LDS5581Aa,Ab distance=100' 04460+1616 BPM 105 distance=100' 04375+1418 HDS 597CD distance=100' 04375+1418 HDS 597AB distance=101' 04375+1418 HDS 597AC distance=101' 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 04393+1555 STFA 11 194 444.0
Show 04396+1551 LDS3604 191 28.1 7
Show 04387+1546 KOH 19 AB 199 9.6 13
Show 04387+1546 KOH 19 AC 313 10.8 13
Show 04382+1602 PAT 12 Aa,Ab 140 0.2 18
Show 04382+1602 BUP 65 AB 47 138.7 18
Show 04390+1534 HU 1218 73 1.7 22
Show 04385+1630 LDS2260 98 6.4 37
Show 04412+1531 HEI 37 62 4.2 37
Show 04399+1631 BU 1044 202 0.6 38
Show 04404+1631 CHR 154 180 0.5 40
Show 04421+1609 LDS2265 231 75.1 43
Show 04365+1611 LDS2257 37 119.8 44
Show 04375+1509 CHR 153 137 0.6 53
Show 04424+1526 LDS3605 279 30.4 53
Show 04356+1609 ISM 2 141 0.0 56
Show 04385+1651 LDS3602 38 14.5 57
Show 04415+1642 A 2353 134 0.2 58
Show 04381+1457 LDS5582 161 9.2 59
Show Aldebaran 04359+1631 BU 550 AB 113 31.6 60
Show Aldebaran 04359+1631 STFB 2 AC 31 136.5 60
Show Aldebaran 04359+1631 BU 1031 AE 323 36.1 60
Show Aldebaran 04359+1631 BU 1031 AF 121 254.9 60
Show 04359+1631 BU 1031 CD 294 0.1 61
Show 04434+1558 BPM 103 190 63.5 61
Show 04397+1443 KPP1825 3 14.2 72
Show 04344+1630 OL 107 330 4.4 74
Show 04347+1516 KPP1072 66 8.5 77
Show 04345+1631 XMI 300 AB 333 23.3 78
Show 04345+1631 DAM 344 AC 201 5.6 78
Show 04340+1510 RAO 548 CD -1 -1.0 80
Show 04367+1708 OCC9098 -1 0.1 82
Show 04397+1717 LDS2261 108 137.9 83
Show 04406+1717 LDS2262 336 7.6 83
Show 04450+1605 BPM 104 73 119.4 83
Show 04353+1701 LDS3595 338 64.4 88
Show 04392+1724 COU 37 262 0.6 89
Show 04340+1510 CHR 17 AB 293 0.2 89
Show 04358+1441 LDS6134 82 37.9 90
Show 04433+1704 PAT 14 348 0.1 90
Show 04328+1600 CHR 152 162 0.2 94
Show 04458+1556 KOH 25 177 13.1 95
Show 04350+1712 OCC 954 -1 0.1 99
Show 04384+1733 PAT 13 335 0.1 99
Show 04439+1441 LDS3610 346 42.4 99
Show 04378+1418 LDS5581 AB 262 144.1 100
Show 04378+1418 LDS5581 Aa,Ab 339 2.2 100
Show 04460+1616 BPM 105 204 103.2 100
Show 04375+1418 HDS 597 CD 32 5.6 100
Show 04375+1418 HDS 597 AB 80 6.6 101
Show 04375+1418 HDS 597 AC 19 27.8 101

 
 
WDS 04393+1555 : COMPONENTS
 
 
  A
B pa=193.5°
sep=443.04"
 
 
04393+1555 A
 
 
Componente originario normalizzato AB Name Sig2 Tau Coord arcsec 2000 043916.50+155504.7 Mag 4.69
Spectral class A5Vn (white) PmRA 83.00 PmDE -19.0 SAO 94054
HIP 21683 Tycho2 1266-01418-1 HD 29488 HR 1479
GC 5666 BD BD+15 666 Bayer Sigma 2 Tauri Bayer name Sig2 Tau
Flamsteed 92 Tauri Flamsteed name 92 Tau FK5 2345
Tycho2
Tycho2 1266-01418-1 Pflag RAmdeg 69.81876109 DEmdeg 15.91797839
PmRA 84.8 PmDE -19.1 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.55 EpDEm 1991.14
Num 22 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.8
Q pmDE 0.9 BTmag 4.868 E BTmag 0.014 VTmag 4.686
E VTmag 0.009 Prox 999 TYC T HIP 21683
CCDM RAdeg 69.81855944 DEdeg 15.91802333 EpRA 1990 1.77
EpDE 1990 1.51 E RAdeg 3.4 E DEdeg 3.7 Posflg
Corr -0.3
SAO
SAO 94054 DelFlag RA1950 PmRA1950 0.0056
DE1950 PmDE1950 -0.016 Vmag 4.9 SpType A3
Double code Source 70 CatNum 5666 DM BD+15 666
DMcomp BDsup HD 29488 M HD 0
GC 5666 RA1950rad 1.20607231 DE1950rad 0.27612182 PmRA2000 0.0056
PmDE2000 -0.017
Hipparcos
Catalog H HIP 21683 Proxy RAhms 04 39 16.45
DEdms +15 55 04.9 Vmag 4.67 VarFlag R Vmag H
RAdeg 69.8186 DEdeg 15.918 AstroRef Plx 20.51
CCDM 04392+1552 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 29488 BD BD+15 666
CD CP Dm number +15 666 VIred 0.19
SpType A5Vn R SpType Coord arcsec 2000 043916.45+155504.9
Hipparcos 2
HIP 21683 Sn 5 So 0 Nc 1
RArad 1.2185635659 DErad 0.2778219294 Plx 20.97 PmRA 83.17
PmDE -20.97 E RArad 0.25 E DErad 0.17 E Plx 0.27
E pmRA 0.35 E pmDE 0.24 Hpmag 4.7248 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.147 E BV 0.008
VI 0.19
 
 
04393+1555 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 043909.34+154753.9 Mag 5.09 Spectral class A4m (white)
PmRA 42.00 PmDE -67.0 SAO 94051 HIP 21673
Tycho2 1266-01419-1 HD 29479 HR 1478 GC 5662
BD BD+15 665 Bayer Sigma 1 Tauri Bayer name Sig1 Tau Flamsteed 91 Tauri
Flamsteed name 91 Tau Calc delta mag 0.4 Calc coord yes
Tycho2
Tycho2 1266-01419-1 Pflag RAmdeg 69.78841102 DEmdeg 15.79986376
PmRA 36.7 PmDE -69.4 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.32 EpDEm 1991.07
Num 20 Q RAmdeg 1.2 Q DEmdeg 1.8 Q pmRA 1.4
Q pmDE 1.6 BTmag 5.238 E BTmag 0.014 VTmag 5.093
E VTmag 0.009 Prox 999 TYC T HIP 21673
CCDM RAdeg 69.78832361 DEdeg 15.80002833 EpRA 1990 1.73
EpDE 1990 1.46 E RAdeg 3.5 E DEdeg 3.9 Posflg
Corr -0.2
SAO
SAO 94051 DelFlag RA1950 PmRA1950 0.0027
DE1950 PmDE1950 -0.071 Vmag 5.1 SpType A2
Double code Source 70 CatNum 5662 DM BD+15 665
DMcomp BDsup HD 29479 M HD 0
GC 5662 RA1950rad 1.20556499 DE1950rad 0.2740692 PmRA2000 0.0027
PmDE2000 -0.072
Hipparcos
Catalog H HIP 21673 Proxy RAhms 04 39 09.20
DEdms +15 48 00.1 Vmag 5.08 VarFlag R Vmag G
RAdeg 69.7883 DEdeg 15.8 AstroRef Plx 21.49
CCDM 04392+1552 N CCDM I Nsys 2 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 29479 BD BD+15 665
CD CP Dm number +15 665 VIred 0.16
SpType A4m R SpType Coord arcsec 2000 043909.20+154800.1
Hipparcos 2
HIP 21673 Sn 1 So 1 Nc 1
RArad 1.2180359828 DErad 0.2757626019 Plx 22.18 PmRA 41.91
PmDE -66.88 E RArad 0.87 E DErad 0.62 E Plx 0.93
E pmRA 1.21 E pmDE 0.89 Hpmag 5.1269 E Hpmag 0.0006
SHp 0.004 VA 0 BV 0.141 E BV 0.005
VI 0.16