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Doubles in session


Current system
04271+1812
STF 545 AB
HD 28150


Nearby doubles
5' : 04267+1811
LDS1170

22' : 04284+1822
LDS5564

22' : 04258+1800
COU2682

29' : 04255+1756
KUI 17AB

33' : 04256+1838
COU2681AB

37' : 04285+1742
GUE 5

38' : 04267+1735
KPP 109

41' : 04295+1752
BGH 2AB

43' : 04301+1814
JOY 2AB

44' : 04259+1852
BU 1185

44' : 04258+1733
RED 4

51' : 04298+1741
COU 567

52' : 04293+1733
CIA 27

53' : 04252+1858
RAO 546

54' : 04255+1901
HEI 456

55' : 04277+1719
LDS2242

55' : 04270+1907
STF 546

57' : 04311+1803
LDS3593

59' : 04249+1903
OCC 921

60' : 04266+1912
GWP 585

61' : 04288+1717
OCC 532

62' : 04314+1816
SHN 88

63' : 04252+1716
AST 4

63' : 04286+1911
BUP 61AB
Ain

63' : 04241+1727
BUP 56AB

63' : 04313+1800
KOH 14



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.

04271+1812 STF 545 AB (HD 28150)

 
 
04h 27m 04.85s +18° 12' 27.1" P.A. 58.00 sep 19.0 mag 6.92,8.78 Sp A0V dist. 106.5 pc (347.4 l.y.)
 
 
Coord 2000 04271+1812 Discov num STF 545 Comp AB Coord arcsec 2000 04 27 04.85 +18 12 27.1
Date first 1782 Date last 2020 Obs 48
Pa first 64 Pa last 57.5 P.A. Now (θ) 57.5°
Sep first 16.5 Sep last 19.012 Sep. Now (ρ) 19.012"
Mag pri 6.92 Mag sec 8.78 delta mag (ΔM) 1.86 Spectral class A0V (white)
Pri motion ra +003 Sec motion ra +004
Pri motion dec -018 Sec motion dec -016
Notes N Z (See Notes, Parallax indicates components are physical)
rPM=0.123 (< 0.3, Physical double)
This double is physical.
 
 
04271+1812 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 93942 04 27 05 +18 12 27 KOH 11 Aa,Ab 1997 3 191 0.1 7.00 9.00 2.00
Show HD 28150 93942 04 27 05 +18 12 27 STF 545 AB 2020 48 58 19.0 6.92 8.78 1.86 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 28150 Constellation Taurus SAO 93942 HIP 20780
Tycho2 1269-01245-1 Gaia DR2 3314449974839279488 HD 28150 GC 5392
BD BD+17 724 Distance 106.5 Distance ly 347.4
 
 
WDS 04271+1812 STF 545 AB (HD 28150) : NOTES
 
 
discov_num notes refcode
STF 545 AB: H 4 74. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 KOH Koehler, R. & Leinert, Ch.
11 KOH Koehler, R., Petr-Gotzens, M.G., McCaughrean, M.J., Bouvier, J., Duchene, G.,
11 KOH Quirrenbach, A., & Zinnecker, H.
25 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04271+1812 STF 545 AB 2007 37 58 18.4 6.92 8.78 A0V ZD 042704.85+181227.1
04271+1812 STF 545 AB 2010 38 58 18.6 6.92 8.78 A0V ZD 042704.85+181227.1
04271+1812 STF 545 AB 2012 40 58 18.7 6.92 8.78 A0V NZD 042704.85+181227.1
04271+1812 STF 545 AB 2013 41 58 18.6 6.92 8.78 A0V NZD 042704.85+181227.1
04271+1812 STF 545 AB 2016 42 58 18.5 6.92 8.78 A0V NZ 042704.85+181227.1
04271+1812 STF 545 AB 2020 48 58 19.0 6.92 8.78 A0V NZ 042704.85+181227.1

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

 
 
WDS 04271+1812 STF 545 AB (HD 28150) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04271+1812 STF 545 AB (HD 28150) : MEASURES
 
 
No records found.

 
 
WDS 04271+1812 (HD 28150) : VIRTUAL EYEPIECE
 
 

04271+1812 STF 545A mag 6.92 Sp A0V 04271+1812 KOH 11Ab sep 0.1 P.A. 190.20 mag 9 04271+1812 STF 545B sep 18.3 P.A. 56.20 mag 8.78 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 04271+1812 (HD 28150) : ALADIN DSS IMAGE @ 04h 27m 04.85s +18° 12' 27.1"
 
 
 
 
WDS 04271+1812 STF 545 AB (HD 28150) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04271+1812 STF 545AB distance=0' 04267+1811 LDS1170 distance=5' 04284+1822 LDS5564 distance=22' 04258+1800 COU2682 distance=22' 04255+1756 KUI 17AB distance=29' 04255+1756 H 6 101AC distance=29' 04255+1756 ARN 62AD distance=29' 04255+1756 H 6 101AE distance=29' 04256+1838 COU2681AB distance=33' 04256+1838 GII 129Aa,Ab distance=33' 04285+1742 GUE 5 distance=37' 04267+1735 KPP 109 distance=38' 04295+1752 OCC 483Ba,Bb distance=40' 04295+1752 BGH 2AB distance=41' 04301+1814 COR 4Ba,Bb distance=43' 04301+1814 JOY 2AB distance=43' 04301+1814 LEI 13AC distance=43' 04259+1852 BU 1185 distance=44' 04258+1733 RED 4 distance=44' 04298+1741 COU 567 distance=51' 04293+1733 CIA 27 distance=52' 04252+1858 RAO 546 distance=53' 04255+1901 HEI 456 distance=54' 04277+1719 LDS2242 distance=55' 04270+1907 STF 546 distance=55' 04311+1803 LDS3593 distance=57' 04249+1903 OCC 921 distance=59' 04266+1912 GWP 585 distance=60' 04288+1717 OCC 532 distance=61' 04314+1816 SHN 88 distance=62' 04252+1716 AST 4 distance=63' 04286+1911 WSI 53Aa,Ab distance=63' 04286+1911 BUP 61AB (Ain) distance=63' 04241+1727 BUP 56AB distance=63' 04241+1727 DRS 37AC distance=63' 04241+1727 OCC 952Aa,Ab distance=63' 04313+1800 KOH 14 distance=63' 04316+1808 LOO 6 distance=65' 04317+1814 GHE 9Aa,Ab distance=66' 04317+1814 HER 10AB distance=66' 04223+1820 LDS2229 distance=69' 04312+1849 YSC 179 distance=69' 04320+1818 SHN 8 distance=71' 04320+1822 CHN 4AB distance=71' 04320+1822 HER 11AD distance=71' 04320+1822 HER 11BD distance=71' 04230+1732 CHR 262Aa,Ab (Secunda Hyadum) distance=72' 04230+1732 BUP 55AB (Secunda Hyadum) distance=72' 04230+1732 OCC 255Aa,Ac (Secunda Hyadum) distance=72' 04322+1757 MSR 1AB distance=74' 04322+1757 ITO 30AC 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 04271+1812 KOH 11 Aa,Ab 191 0.1
Show 04271+1812 STF 545 AB 58 19.0
Show 04267+1811 LDS1170 240 22.4 5
Show 04284+1822 LDS5564 169 34.5 22
Show 04258+1800 COU2682 83 0.1 22
Show 04255+1756 KUI 17 AB 343 1.8 29
Show 04255+1756 H 6 101 AC 236 77.0 29
Show 04255+1756 ARN 62 AD 40 412.8 29
Show 04255+1756 H 6 101 AE 335 137.3 29
Show 04256+1838 COU2681 AB 253 1.1 33
Show 04256+1838 GII 129 Aa,Ab 171 0.2 33
Show 04285+1742 GUE 5 75 1.7 37
Show 04267+1735 KPP 109 79 3.8 38
Show 04295+1752 OCC 483 Ba,Bb -1 0.4 40
Show 04295+1752 BGH 2 AB 9 109.5 41
Show 04301+1814 COR 4 Ba,Bb 287 0.1 43
Show 04301+1814 JOY 2 AB 269 5.9 43
Show 04301+1814 LEI 13 AC 182 2.7 43
Show 04259+1852 BU 1185 203 0.3 44
Show 04258+1733 RED 4 80 0.3 44
Show 04298+1741 COU 567 148 0.1 51
Show 04293+1733 CIA 27 -1 -1.0 52
Show 04252+1858 RAO 546 140 0.8 53
Show 04255+1901 HEI 456 221 2.9 54
Show 04277+1719 LDS2242 204 14.1 55
Show 04270+1907 STF 546 182 7.0 55
Show 04311+1803 LDS3593 58 339.0 57
Show 04249+1903 OCC 921 -1 0.1 59
Show 04266+1912 GWP 585 183 37.5 60
Show 04288+1717 OCC 532 -1 0.5 61
Show 04314+1816 SHN 88 -1 0.1 62
Show 04252+1716 AST 4 264 0.1 63
Show 04286+1911 WSI 53 Aa,Ab 108 0.2 63
Show Ain 04286+1911 BUP 61 AB 269 190.4 63
Show 04241+1727 BUP 56 AB 249 147.2 63
Show 04241+1727 DRS 37 AC 85 10.0 63
Show 04241+1727 OCC 952 Aa,Ab -1 0.0 63
Show 04313+1800 KOH 14 242 10.6 63
Show 04316+1808 LOO 6 185 0.4 65
Show 04317+1814 GHE 9 Aa,Ab 127 0.3 66
Show 04317+1814 HER 10 AB 273 22.5 66
Show 04223+1820 LDS2229 234 3.5 69
Show 04312+1849 YSC 179 150 1.8 69
Show 04320+1818 SHN 8 319 0.2 71
Show 04320+1822 CHN 4 AB 358 3.3 71
Show 04320+1822 HER 11 AD 99 27.2 71
Show 04320+1822 HER 11 BD 106 28.0 71
Show Secunda Hyadum 04230+1732 CHR 262 Aa,Ab 2 0.5 72
Show Secunda Hyadum 04230+1732 BUP 55 AB 336 112.8 72
Show Secunda Hyadum 04230+1732 OCC 255 Aa,Ac -1 0.0 72
Show 04322+1757 MSR 1 AB 51 7.2 74

 
 
WDS 04271+1812 : COMPONENTS
 
 
  A Ab
Ab pa=190.2°
sep=0.09"
 
B pa=56.2°
sep=18.34"
pa=56.0°
sep=18.40"
 
 
04271+1812 A
 
 
Name HD 28150 Coord arcsec 2000 042704.85+181227.1 Mag 6.92 Spectral class A0V (white)
PmRA 3.00 PmDE -18.0 SAO 93942 HIP 20780
Tycho2 1269-01245-1 HD 28150 GC 5392 BD BD+17 724
Tycho2
Tycho2 1269-01245-1 Pflag RAmdeg 66.77024784 DEmdeg 18.20754405
PmRA 2.3 PmDE -14.5 E RAmdeg 4 E DEmdeg 5
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.36 EpDEm 1990.96
Num 20 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.1 BTmag 6.968 E BTmag 0.015 VTmag 6.924
E VTmag 0.011 Prox 187 TYC T HIP 20780
CCDM A RAdeg 66.77024222 DEdeg 18.20757889 EpRA 1990 1.65
EpDE 1990 1.39 E RAdeg 4.3 E DEdeg 5.0 Posflg
Corr -0.1
SAO
SAO 93942 DelFlag RA1950 PmRA1950 -0.0006
DE1950 PmDE1950 -0.013 Vmag 6.7 SpType A0
Double code Source 70 CatNum 5392 DM BD+17 724
DMcomp BDsup HD 28150 M HD 0
GC 5392 RA1950rad 1.15271774 DE1950rad 0.31584144 PmRA2000 -0.0006
PmDE2000 -0.014
Hipparcos
Catalog H HIP 20780 Proxy RAhms 04 27 04.86
DEdms +18 12 27.3 Vmag 6.94 VarFlag R Vmag G
RAdeg 66.7702 DEdeg 18.2076 AstroRef A Plx 8.04
CCDM 04271+1812 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 28150 BD BD+17 724
CD CP Dm number +17 724 VIred 0.04
SpType A0 R SpType Coord arcsec 2000 042704.86+181227.3
Hipparcos 2
HIP 20780 Sn 95 So 3 Nc 1
RArad 1.1653605785 DErad 0.3177822295 Plx 9.39 PmRA 3.88
PmDE -19.79 E RArad 1.17 E DErad 0.84 E Plx 1.24
E pmRA 1.68 E pmDE 1.48 Hpmag 6.9551 E Hpmag 0.013
SHp 0.027 VA 0 BV 0.021 E BV 0.002
VI 0.04
CCDM
Ccdm 04271+1812 RComp Comp A Note1
Note2 Discov num DRAs -1.15 DDEs 27.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.9 Sp A0 PmNote *
PmRA 5 PmDE -7 Dm number +17 724 Cat1 BD
Name2 +18 338 Cat2 AGK2/3 HD 28150 M HD
ADS BDS A 3226 M ADS BDS N IDS IDS 04213N1759A
HIC 20780
 
 
04271+1812 Ab
 
 
Coord arcsec 2000 042704.85+181227.0 Mag 9 HIP 20782 Calc delta mag 2
Calc coord yes
Hipparcos
Catalog H HIP 20782 Proxy RAhms 04 27 05.98
DEdms +18 12 37.3 Vmag 9.57 VarFlag R Vmag H
RAdeg 66.7749 DEdeg 18.2103 AstroRef B Plx 7.69
CCDM 04271+1812 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.78
SpType G5 R SpType Coord arcsec 2000 042705.98+181237.3
Hipparcos 2
HIP 20782 Sn 95 So 3 Nc 1
RArad 1.165441778 DErad 0.3178305822 Plx 6.04 PmRA -4.04
PmDE -28.55 E RArad 12.03 E DErad 7.85 E Plx 12.85
E pmRA 14.7 E pmDE 13.55 Hpmag 9.5175 E Hpmag 0.1126
SHp 0 VA 0 BV 0.609 E BV 0.053
VI 0.68
 
 
04271+1812 B
 
 
Coord arcsec 2000 042705.92+181237.3 Mag 8.78 PmRA 4.00 PmDE -16.0
Tycho2 1269-00271-1 Calc delta mag 1.78 Calc coord yes
Tycho2
Tycho2 1269-00271-1 Pflag RAmdeg 66.77485492 DEmdeg 18.21034128
PmRA 0.4 PmDE -14.9 E RAmdeg 12 E DEmdeg 13
E pmRA 1.3 E pmDE 1.2 EpRAm 1990.65 EpDEm 1990.22
Num 4 Q RAmdeg 1.3 Q DEmdeg 0.4 Q pmRA 1.3
Q pmDE 0.4 BTmag 9.159 E BTmag 0.023 VTmag 8.776
E VTmag 0.021 Prox 187 TYC T HIP 20782
CCDM B RAdeg 66.77485361 DEdeg 18.21037611 EpRA 1990 1.64
EpDE 1990 1.54 E RAdeg 11.9 E DEdeg 12.9 Posflg
Corr 0.0
CCDM
Ccdm 04271+1812 RComp Comp B Note1
Note2 Discov num STF 545 DRAs -0.06 DDEs 37.1
R dRAs 91 Year 1830 Theta 058 Rho 18.9
Obs 9 Vmag 8.7 Sp PmNote *
PmRA 1 PmDE -9 Dm number Cat1
Name2 +18 339 Cat2 AGK2/3 HD M HD
ADS BDS A 3226 M ADS BDS N IDS IDS 04213N1759B
HIC 20782