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Current system
04270+1907
STF 546
HD 28139


Nearby doubles
8' : 04266+1912
GWP 585

22' : 04276+1927
RED 5

23' : 04259+1852
BU 1185

23' : 04255+1901
HEI 456

24' : 04286+1911
BUP 61AB
Ain

27' : 04252+1858
RAO 546

30' : 04249+1903
OCC 921

36' : 04256+1838
COU2681AB

41' : 04255+1942
COU 565

45' : 04255+1946
STJ 27

50' : 04284+1822
LDS5564

55' : 04271+1812
STF 545AB

56' : 04267+1811
LDS1170

58' : 04292+1956
LDS2243

62' : 04312+1849
YSC 179

64' : 04303+1950
PAT 10

66' : 04242+1959
LDS3583

66' : 04313+1931
LDS5570

68' : 04258+2012
LDS2235

69' : 04258+1800
COU2682

69' : 04301+1814
JOY 2AB

73' : 04222+1844
SLE 270

75' : 04255+1756
KUI 17AB

76' : 04221+1934
KOH 9AB

76' : 04220+1932
GHE 6AB

77' : 04320+1839
KPP1611



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Neglected List I
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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

04270+1907 STF 546 (HD 28139)

 
 
04h 27m 00.62s +19° 07' 03.6" P.A. 182.00 sep 7.0 mag 7.94,9.21 Sp G0 dist. 65.02 pc (212.1 l.y.)
 
 
Coord 2000 04270+1907 Discov num STF 546 Comp Coord arcsec 2000 04 27 00.62 +19 07 03.6
Date first 1822 Date last 2021 Obs 67
Pa first 189 Pa last 181.5 P.A. Now (θ) 181.5°
Sep first 6.7 Sep last 6.984 Sep. Now (ρ) 6.984"
Mag pri 7.94 Mag sec 9.21 delta mag (ΔM) 1.27 Spectral class G0 (yellow)
Pri motion ra +095 Sec motion ra +095
Pri motion dec -130 Sec motion dec -130
Notes N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 28139 Constellation Taurus SAO 93940 HIP 20769
Tycho2 1273-00026-1 Gaia DR2 48011828791234816 HD 28139 GC 5389
ADS 3224 BD BD+18 637 Distance 65.02 Distance ly 212.1
 
 
WDS 04270+1907 STF 546 (HD 28139) : NOTES
 
 
discov_num notes refcode
STF 546 HJL 60. HJL1986
H 2 54. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 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
04270+1907 STF 546 2002 56 182 6.8 7.94 9.21 G0 DV 042700.62+190703.6
04270+1907 STF 546 2011 57 181 6.9 7.94 9.21 G0 NVD 042700.62+190703.6
04270+1907 STF 546 2012 59 181 6.7 7.94 9.21 G0 NVD 042700.62+190703.6
04270+1907 STF 546 2013 60 181 6.9 7.94 9.21 G0 NVD 042700.62+190703.6
04270+1907 STF 546 2015 62 181 6.8 7.94 9.21 G0 NV 042700.62+190703.6
04270+1907 STF 546 2021 66 182 7.0 7.94 9.21 G0 NV 042700.62+190703.6

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

 
 
WDS 04270+1907 STF 546 (HD 28139) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04270+1907 STF 546 (HD 28139) : MEASURES
 
 
No records found.

 
 
WDS 04270+1907 (HD 28139) : VIRTUAL EYEPIECE
 
 

04270+1907 STF 546A mag 7.94 Sp G0 04270+1907 STF 546B sep 7.0 P.A. 181.40 mag 9.21 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 04270+1907 (HD 28139) : ALADIN DSS IMAGE @ 04h 27m 00.62s +19° 07' 03.6"
 
 
 
 
WDS 04270+1907 STF 546 (HD 28139) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04270+1907 STF 546 distance=0' 04266+1912 GWP 585 distance=8' 04276+1927 RED 5 distance=22' 04259+1852 BU 1185 distance=23' 04255+1901 HEI 456 distance=23' 04286+1911 WSI 53Aa,Ab distance=24' 04286+1911 BUP 61AB (Ain) distance=24' 04252+1858 RAO 546 distance=27' 04249+1903 OCC 921 distance=30' 04256+1838 COU2681AB distance=36' 04256+1838 GII 129Aa,Ab distance=36' 04255+1942 COU 565 distance=41' 04255+1946 STJ 27 distance=45' 04284+1822 LDS5564 distance=50' 04271+1812 KOH 11Aa,Ab distance=55' 04271+1812 STF 545AB distance=55' 04267+1811 LDS1170 distance=56' 04292+1956 LDS2243 distance=58' 04312+1849 YSC 179 distance=62' 04303+1950 PAT 10 distance=64' 04242+1959 LDS3583 distance=66' 04313+1931 LDS5570 distance=66' 04258+2012 LDS2235 distance=68' 04258+1800 COU2682 distance=69' 04301+1814 COR 4Ba,Bb distance=69' 04301+1814 JOY 2AB distance=69' 04301+1814 LEI 13AC distance=69' 04222+1844 SLE 270 distance=73' 04255+1756 KUI 17AB distance=75' 04255+1756 H 6 101AC distance=75' 04255+1756 ARN 62AD distance=75' 04255+1756 H 6 101AE distance=75' 04221+1934 KOH 9AB distance=76' 04221+1934 DAE 25AC distance=76' 04220+1932 GHE 6AB distance=76' 04220+1932 GHE 6A,Ba distance=76' 04220+1932 GHE 6A,Bb distance=76' 04220+1932 NSE 1AC distance=76' 04220+1932 KRS 2Ba,Bb distance=76' 04220+1932 CSE 1AD distance=76' 04320+1839 KPP1611 distance=77' 04218+1929 SIG 1 distance=77' 04217+1928 BU 9004 distance=78' 04314+1816 SHN 88 distance=81' 04223+1820 LDS2229 distance=82' 04327+1855 DAE 26 distance=82' 04295+1752 OCC 483Ba,Bb distance=82' 04270+2030 LDS2237AB distance=83' 04270+2030 LDS2237BC distance=83' 04295+1752 BGH 2AB distance=84' 04320+1822 HER 11BD distance=84' 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 04270+1907 STF 546 182 7.0
Show 04266+1912 GWP 585 183 37.5 8
Show 04276+1927 RED 5 162 0.1 22
Show 04259+1852 BU 1185 203 0.3 23
Show 04255+1901 HEI 456 221 2.9 23
Show 04286+1911 WSI 53 Aa,Ab 108 0.2 24
Show Ain 04286+1911 BUP 61 AB 269 190.4 24
Show 04252+1858 RAO 546 140 0.8 27
Show 04249+1903 OCC 921 -1 0.1 30
Show 04256+1838 COU2681 AB 253 1.1 36
Show 04256+1838 GII 129 Aa,Ab 171 0.2 36
Show 04255+1942 COU 565 136 0.7 41
Show 04255+1946 STJ 27 344 1.5 45
Show 04284+1822 LDS5564 169 34.5 50
Show 04271+1812 KOH 11 Aa,Ab 191 0.1 55
Show 04271+1812 STF 545 AB 58 19.0 55
Show 04267+1811 LDS1170 240 22.4 56
Show 04292+1956 LDS2243 300 6.2 58
Show 04312+1849 YSC 179 150 1.8 62
Show 04303+1950 PAT 10 303 0.2 64
Show 04242+1959 LDS3583 296 29.0 66
Show 04313+1931 LDS5570 180 17.9 66
Show 04258+2012 LDS2235 112 27.6 68
Show 04258+1800 COU2682 83 0.1 69
Show 04301+1814 COR 4 Ba,Bb 287 0.1 69
Show 04301+1814 JOY 2 AB 269 5.9 69
Show 04301+1814 LEI 13 AC 182 2.7 69
Show 04222+1844 SLE 270 98 11.0 73
Show 04255+1756 KUI 17 AB 343 1.8 75
Show 04255+1756 H 6 101 AC 236 77.0 75
Show 04255+1756 ARN 62 AD 40 412.8 75
Show 04255+1756 H 6 101 AE 335 137.3 75
Show 04221+1934 KOH 9 AB 317 12.0 76
Show 04221+1934 DAE 25 AC 187 7.7 76
Show 04220+1932 GHE 6 AB 191 0.7 76
Show 04220+1932 GHE 6 A,Ba 195 0.7 76
Show 04220+1932 GHE 6 A,Bb 195 0.6 76
Show 04220+1932 NSE 1 AC 358 0.3 76
Show 04220+1932 KRS 2 Ba,Bb 20 0.1 76
Show 04220+1932 CSE 1 AD 199 0.1 76
Show 04320+1839 KPP1611 309 12.3 77
Show 04218+1929 SIG 1 75 0.2 77
Show 04217+1928 BU 9004 46 55.8 78
Show 04314+1816 SHN 88 -1 0.1 81
Show 04223+1820 LDS2229 234 3.5 82
Show 04327+1855 DAE 26 106 8.6 82
Show 04295+1752 OCC 483 Ba,Bb -1 0.4 82
Show 04270+2030 LDS2237 AB 339 42.8 83
Show 04270+2030 LDS2237 BC 55 14.0 83
Show 04295+1752 BGH 2 AB 9 109.5 84
Show 04320+1822 HER 11 BD 106 28.0 84

 
 
WDS 04270+1907 : COMPONENTS
 
 
  A
B pa=181.4°
sep=6.98"
 
 
04270+1907 A
 
 
Componente originario normalizzato AB Name HD 28139 Coord arcsec 2000 042700.62+190703.6 Mag 7.94
Spectral class G0 (yellow) PmRA 95.00 PmDE -130.0 SAO 93940
HIP 20769 Tycho2 1273-00026-1 HD 28139 GC 5389
ADS 3224 BD BD+18 637
Tycho2
Tycho2 1273-00026-1 Pflag RAmdeg 66.75259035 DEmdeg 19.11765369
PmRA 94.0 PmDE -129.6 E RAmdeg 6 E DEmdeg 8
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.19 EpDEm 1990.56
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.1 Q pmRA 1.1
Q pmDE 1.1 BTmag 8.506 E BTmag 0.017 VTmag 7.943
E VTmag 0.013 Prox 67 TYC T HIP 20769
CCDM A RAdeg 66.75236028 DEdeg 19.11796333 EpRA 1990 1.67
EpDE 1990 1.40 E RAdeg 6.0 E DEdeg 7.6 Posflg
Corr -0.2
SAO
SAO 93940 DelFlag RA1950 PmRA1950 0.0064
DE1950 PmDE1950 -0.134 Vmag 7.9 SpType G0
Double code Source 70 CatNum 5389 DM BD+18 637
DMcomp A BDsup HD 28139 M HD 0
GC 5389 RA1950rad 1.15230919 DE1950rad 0.33175015 PmRA2000 0.0063
PmDE2000 -0.135
Hipparcos
Catalog H HIP 20769 Proxy H RAhms 04 27 00.56
DEdms +19 07 04.7 Vmag 7.69 VarFlag R Vmag G
RAdeg 66.7523 DEdeg 19.118 AstroRef A Plx 15.26
CCDM 04270+1907 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 182 Rho 6.789 HD 28139 BD BD+18 637
CD CP Dm number +18 637 VIred 0.66
SpType F5V R SpType Coord arcsec 2000 042700.56+190704.7
Hipparcos 2
HIP 20769 Sn 15 So 3 Nc 2
RArad 1.1650481707 DErad 0.3336714628 Plx 15.38 PmRA 95.06
PmDE -130.96 E RArad 0.99 E DErad 0.64 E Plx 1.06
E pmRA 1.65 E pmDE 1.2 Hpmag 7.8216 E Hpmag 0.0016
SHp 0.011 VA 0 BV 0.586 E BV 0.015
VI 0.66
CCDM
Ccdm 04270+1907 RComp Comp A Note1
Note2 Discov num DRAs 0.67 DDEs 4.5
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.9 Sp G0 PmNote *
PmRA 114 PmDE -112 Dm number +18 637 Cat1 BD
Name2 +19 349 Cat2 AGK2/3 HD 28139 M HD
ADS BDS A 3224 M ADS BDS N IDS IDS 04212N1854A
HIC 20769
 
 
04270+1907 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 042700.61+190656.6 Mag 9.21 PmRA 95.00
PmDE -130.0 Tycho2 1273-01109-1 Calc delta mag 1.27 Calc coord yes
Tycho2
Tycho2 1273-01109-1 Pflag RAmdeg 66.75254763 DEmdeg 19.11578550
PmRA 99.8 PmDE -126.8 E RAmdeg 15 E DEmdeg 21
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.74 EpDEm 1987.11
Num 8 Q RAmdeg 1.6 Q DEmdeg 1.9 Q pmRA 1.6
Q pmDE 1.9 BTmag 9.964 E BTmag 0.034 VTmag 9.207
E VTmag 0.025 Prox 67 TYC T HIP 20769
CCDM B RAdeg 66.75230556 DEdeg 19.11609083 EpRA 1990 1.73
EpDE 1990 1.37 E RAdeg 14.6 E DEdeg 21.5 Posflg
Corr -0.2
CCDM
Ccdm 04270+1907 RComp Comp B Note1
Note2 Discov num STF 546 DRAs 0.65 DDEs -2.4
R dRAs 90 Year 1954 Theta 184 Rho 6.8
Obs 14 Vmag 9.7 Sp PmNote *
PmRA 118 PmDE -112 Dm number Cat1
Name2 +19 348 Cat2 AGK2/3 HD M HD
ADS BDS A 3224 M ADS BDS N IDS IDS 04212N1854B
HIC 20769