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Current system
04302-1747
B 1937
HD 28637


Nearby doubles
31' : 04307-1817
GWP 594

31' : 04286-1728
ARA 153

38' : 04290-1820
GWP 588

57' : 04275-1707
HU 440

67' : 04347-1805
ARA 326

70' : 04320-1852
I 727

78' : 04274-1855
STN 7

81' : 04307-1627
HJ 3653

85' : 04330-1633
CRI 7AB

91' : 04240-1805
HJ 3647AB

92' : 04362-1819
ARA 327

93' : 04358-1659
TDS2905

94' : 04368-1736
ARA 154

96' : 04368-1733
A 2915

99' : 04367-1822
B 1938

103' : 04331-1922
TOK 86

107' : 04256-1625
SKF2468

112' : 04320-1936
UC 1178

112' : 04381-1749
B 1939

120' : 04346-1930
UC 1189

123' : 04218-1804
ARA 325

124' : 04353-1607
CRC 47

124' : 04314-1544
GAL 139

125' : 04363-1917
RST2350

127' : 04274-1548
DEA 12

132' : 04217-1658
RAO 545



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.

04302-1747 B 1937 (HD 28637)

 
 
04h 30m 14.81s -17° 47' 25.0" P.A. 120.00 sep 0.2 mag 9.50,9.70 Sp G6V
 
 
Coord 2000 04302-1747 Discov num B  1937 Comp Coord arcsec 2000 04 30 14.81 -17 47 25.0
Date first 1932 Date last 2020 Obs 16
Pa first 190 Pa last 120.1 P.A. Now (θ) 120.1°
Sep first 0.2 Sep last 0.179 Sep. Now (ρ) 0.179"
Mag pri 9.50 Mag sec 9.70 delta mag (ΔM) 0.2 Spectral class G6V (yellow)
Pri motion ra -035 Sec motion ra
Pri motion dec -045 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 28637 Constellation Eridanus SAO 149684 Tycho2 5894-00089-1
Gaia DR2 3170985216611124992 HD 28637
 
 
ORBITAL ELEMENTS
 
 
Period (P)111.55y Periastron (T)1908.67y Semi-major axis (a)0.213a
Eccentricity (e)0.16 Inclination (i)180° Longitude of periastron (ω)0°
Node (Ω)123.4° Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 206.5 0.204
2001 203.0 0.202
2002 199.4 0.200
2003 195.8 0.198
2004 192.0 0.196
2005 188.3 0.194
2006 184.4 0.193
2007 180.5 0.191
2008 176.5 0.189
2009 172.4 0.188
2010 168.3 0.186
2011 164.1 0.185
2012 159.8 0.184
2013 155.5 0.183
2014 151.2 0.182
2015 146.8 0.181
2016 142.4 0.180
2017 137.9 0.180
2018 133.4 0.179
2019 128.9 0.179
2020 124.4 0.179
2021 119.9 0.179
2022 115.4 0.179
2023 110.9 0.180
2024 106.4 0.180
2025 102.0 0.181
2026 97.5 0.181
2027 93.2 0.182
2028 88.9 0.183
2029 84.6 0.185
2030 80.4 0.186


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds04302-1747b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 04302-1747 B 1937 (HD 28637) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb AJ 158, 48, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 B van den Bos, W.H.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
04302-1747 B 1937 1993 9 46 0.2 9.50 9.70 G6V O 043014.81-174725.0
04302-1747 B 1937 2010 11 345 0.2 9.50 9.70 G6V O 043014.81-174725.0
04302-1747 B 1937 2017 13 135 0.2 9.50 9.70 G6V O 043014.81-174725.0
04302-1747 B 1937 2018 14 129 0.2 9.50 9.70 G6V O 043014.81-174725.0
04302-1747 B 1937 2019 15 126 0.2 9.50 9.70 G6V O 043014.81-174725.0
04302-1747 B 1937 2020 16 120 0.2 9.50 9.70 G6V O 043014.81-174725.0

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

 
 
WDS 04302-1747 B 1937 (HD 28637) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 04302-1747 B 1937 (HD 28637) : MEASURES
 
 
No records found.

 
 
WDS 04302-1747 (HD 28637) : VIRTUAL EYEPIECE
 
 

04302-1747 B 1937A mag 9.5 Sp G6V 04302-1747 B 1937B sep 0.2 P.A. 121.30 mag 9.7 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 04302-1747 (HD 28637) : ALADIN DSS IMAGE @ 04h 30m 14.81s -17° 47' 25.0"
 
 
 
 
WDS 04302-1747 B 1937 (HD 28637) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

04302-1747 B 1937 distance=0' 04307-1817 GWP 594 distance=31' 04286-1728 ARA 153 distance=31' 04290-1820 GWP 588 distance=38' 04275-1707 HU 440 distance=57' 04347-1805 ARA 326 distance=67' 04320-1852 I 727 distance=70' 04274-1855 STN 7 distance=78' 04307-1627 HJ 3653 distance=81' 04330-1633 CRI 7BC distance=85' 04330-1633 CRI 7Ba,Bb distance=85' 04330-1633 CRI 7AB distance=85' 04240-1805 HJ 3647AB distance=91' 04240-1805 HJ 3647AC distance=91' 04240-1805 HJ 3647BC distance=92' 04362-1819 ARA 327 distance=92' 04358-1659 TDS2905 distance=93' 04368-1736 ARA 154 distance=94' 04368-1733 A 2915 distance=96' 04367-1822 B 1938 distance=99' 04331-1922 TOK 86 distance=103' 04256-1625 SKF2468 distance=107' 04320-1936 UC 1178 distance=112' 04381-1749 B 1939 distance=112' 04346-1930 UC 1189 distance=120' 04218-1804 ARA 325 distance=123' 04353-1607 CRC 47 distance=124' 04314-1544 GAL 139 distance=124' 04363-1917 RST2350 distance=125' 04274-1548 DEA 12 distance=127' 04217-1658 RAO 545 distance=132' 04287-1535 TDS2865 distance=135' 04398-1734 GWP 603 distance=137' 04207-1806 ARA 324 distance=138' 04212-1656 TDS2831 distance=140' 04226-1916 B 1936 distance=141' 04405-1807 GWP 606 distance=149' 04354-2004 DON 71 distance=155' 04359-1536 BRT 608 distance=156' 04402-1853 KPP2060 distance=156' 04410-1709 KPP2610 distance=159' 04190-1751 HDS 550 distance=161' 04208-1920 SEE 36 distance=163' 04216-1559 LDS9169 distance=163' 04202-1626 HU 438AB distance=166' 04186-1725 TOI 427 distance=168' 04299-2046 KPP3571 distance=179' 04429-1758 B 1940 distance=181' 04404-1940 STN 9 distance=184' 04198-1602 RST3397 distance=184' 04398-1953 HWE 11 distance=186' 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 04302-1747 B 1937 120 0.2
Show 04307-1817 GWP 594 310 18.0 31
Show 04286-1728 ARA 153 35 10.0 31
Show 04290-1820 GWP 588 3 108.4 38
Show 04275-1707 HU 440 316 1.8 57
Show 04347-1805 ARA 326 205 9.5 67
Show 04320-1852 I 727 43 3.8 70
Show 04274-1855 STN 7 185 4.8 78
Show 04307-1627 HJ 3653 157 39.6 81
Show 04330-1633 CRI 7 BC 163 22.4 85
Show 04330-1633 CRI 7 Ba,Bb 356 0.1 85
Show 04330-1633 CRI 7 AB 154 37.3 85
Show 04240-1805 HJ 3647 AB 259 29.8 91
Show 04240-1805 HJ 3647 AC 317 41.8 91
Show 04240-1805 HJ 3647 BC 2 36.6 92
Show 04362-1819 ARA 327 255 9.0 92
Show 04358-1659 TDS2905 351 3.1 93
Show 04368-1736 ARA 154 305 5.8 94
Show 04368-1733 A 2915 329 0.2 96
Show 04367-1822 B 1938 286 0.2 99
Show 04331-1922 TOK 86 359 18.7 103
Show 04256-1625 SKF2468 275 149.0 107
Show 04320-1936 UC 1178 185 9.1 112
Show 04381-1749 B 1939 172 0.1 112
Show 04346-1930 UC 1189 195 23.3 120
Show 04218-1804 ARA 325 34 6.9 123
Show 04353-1607 CRC 47 132 7.9 124
Show 04314-1544 GAL 139 269 7.6 124
Show 04363-1917 RST2350 241 1.9 125
Show 04274-1548 DEA 12 207 38.8 127
Show 04217-1658 RAO 545 55 0.4 132
Show 04287-1535 TDS2865 267 0.5 135
Show 04398-1734 GWP 603 78 129.3 137
Show 04207-1806 ARA 324 102 6.6 138
Show 04212-1656 TDS2831 236 0.8 140
Show 04226-1916 B 1936 72 2.6 141
Show 04405-1807 GWP 606 91 164.9 149
Show 04354-2004 DON 71 261 5.2 155
Show 04359-1536 BRT 608 183 4.7 156
Show 04402-1853 KPP2060 205 16.5 156
Show 04410-1709 KPP2610 293 23.9 159
Show 04190-1751 HDS 550 1 0.8 161
Show 04208-1920 SEE 36 342 8.0 163
Show 04216-1559 LDS9169 143 12.9 163
Show 04202-1626 HU 438 AB 162 4.2 166
Show 04186-1725 TOI 427 153 2.6 168
Show 04299-2046 KPP3571 295 1.7 179
Show 04429-1758 B 1940 20 1.5 181
Show 04404-1940 STN 9 135 0.1 184
Show 04198-1602 RST3397 334 0.6 184
Show 04398-1953 HWE 11 100 3.6 186

 
 
WDS 04302-1747 : COMPONENTS
 
 
  A
B pa=121.3°
sep=0.17"
 
 
04302-1747 A
 
 
Componente originario normalizzato AB Name HD 28637 Coord arcsec 2000 043014.81-174725.0 Mag 9.5
Spectral class G6V (yellow) PmRA -35.00 PmDE -45.0 SAO 149684
Tycho2 5894-00089-1 HD 28637 DM BD-18 853
Tycho2
Tycho2 5894-00089-1 Pflag RAmdeg 67.56172058 DEmdeg -17.79029031
PmRA -33.0 PmDE -40.2 E RAmdeg 11 E DEmdeg 12
E pmRA 1.3 E pmDE 1.3 EpRAm 1989.97 EpDEm 1989.17
Num 10 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 10.102 E BTmag 0.025 VTmag 9.306
E VTmag 0.017 Prox 999 TYC T HIP
CCDM RAdeg 67.56179944 DEdeg -17.79019750 EpRA 1990 1.81
EpDE 1990 1.73 E RAdeg 10.6 E DEdeg 12.7 Posflg
Corr 0.3
SAO
SAO 149684 DelFlag RA1950 PmRA1950 -0.003
DE1950 PmDE1950 -0.044 Vmag 8.9 SpType G5
Double code Source 22 CatNum 1381 DM BD-18 853
DMcomp BDsup HD 28637 M HD 0
GC RA1950rad 1.1694442 DE1950rad -0.31236769 PmRA2000 -0.0026
PmDE2000 -0.044
CCDM
Ccdm 04302-1747 RComp Comp A Note1
Note2 Discov num DRAs 2.75 DDEs -25.6
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.5 Sp G5 PmNote *
PmRA -43 PmDE -44 Dm number -18 853 Cat1 BD
Name2 149684 Cat2 SAO HD 28637 M HD
ADS BDS M ADS BDS N IDS IDS 04258S1800A
HIC
 
 
04302-1747 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 043014.82-174725.1 Mag 9.7 Calc delta mag 0.2
Calc coord yes
CCDM
Ccdm 04302-1747 RComp Comp B Note1
Note2 Discov num B 1937 DRAs DDEs
R dRAs Year 1938 Theta 182 Rho 0.2
Obs 2 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 04258S1800B
HIC