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Current system
06121-1309
STF 875
HD 42798


Nearby doubles
14' : 06130-1314
BRT1844

25' : 06134-1253
TDS3636

43' : 06111-1348
TOK 258

48' : 06148-1335
BRT2647

52' : 06154-1330
GWP 767

56' : 06086-1327
BRT1843

57' : 06089-1238
HDS 836

58' : 06136-1403
RST4297

60' : 06162-1321
BRG 22

71' : 06092-1404
BU 565

72' : 06073-1322
GAL 215

78' : 06076-1349
GWP 747

78' : 06117-1151
RST3444

80' : 06164-1359
RST3445

81' : 06080-1403
GWP 749

83' : 06070-1343
LDS3694

83' : 06167-1359
TOI 880

83' : 06168-1359
GAL 397AB

87' : 06180-1327
GAL 224

87' : 06126-1436
TDS3630

89' : 06182-1258
RST3447

89' : 06063-1248
SKF2508

91' : 06059-1315
HO 512

93' : 06142-1436
LDS 847

94' : 06167-1203
BU 18

98' : 06093-1141
HU 106



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.

06121-1309 STF 875 (HD 42798)

 
 
06h 12m 08.71s -13° 08' 53.3" P.A. 323.00 sep 4.6 mag 9.19,10.38 Sp K0
 
 
Coord 2000 06121-1309 Discov num STF 875 Comp Coord arcsec 2000 06 12 08.71 -13 08 53.3
Date first 1830 Date last 2019 Obs 29
Pa first 335 Pa last 322.5 P.A. Now (θ) 322.5°
Sep first 6.1 Sep last 4.56 Sep. Now (ρ) 4.56"
Mag pri 9.19 Mag sec 10.38 delta mag (ΔM) 1.19 Spectral class K0 (yellow-orange)
Pri motion ra +019 Sec motion ra -004
Pri motion dec -026 Sec motion dec -001
Notes U (Proper motion indicates non-physical)
rPM=1.055
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 42798 Constellation Lepus Tycho2 5374-00056-1 Gaia DR2 2994567167187551616
HD 42798
 
 
WDS 06121-1309 STF 875 (HD 42798) : NOTES
 
 
No records found.

 
 
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
06121-1309 STF 875 2007 25 324 4.6 9.19 10.38 K0 LD 061208.71-130853.3
06121-1309 STF 875 2011 26 323 4.4 9.19 10.38 K0 LD 061208.71-130853.3
06121-1309 STF 875 2015 28 323 4.5 9.19 10.38 K0 L 061208.71-130853.3
06121-1309 STF 875 2019 29 323 4.6 9.19 10.38 K0 U 061208.71-130853.3

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

 
 
WDS 06121-1309 STF 875 (HD 42798) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 06121-1309 STF 875 (HD 42798) : MEASURES
 
 
No records found.

 
 
WDS 06121-1309 (HD 42798) : VIRTUAL EYEPIECE
 
 

06121-1309 STF 875A mag 9.19 Sp K0 06121-1309 STF 875B sep 4.5 P.A. 323.20 mag 10.38 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 06121-1309 (HD 42798) : ALADIN DSS IMAGE @ 06h 12m 08.71s -13° 08' 53.3"
 
 
 
 
WDS 06121-1309 STF 875 (HD 42798) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

06121-1309 STF 875 distance=0' 06130-1314 BRT1844 distance=14' 06134-1253 TDS3636 distance=25' 06111-1348 TOK 258 distance=43' 06111-1348 LSC 40Aa,Ab distance=43' 06148-1335 BRT2647 distance=48' 06154-1330 GWP 767 distance=52' 06086-1327 BRT1843 distance=56' 06089-1238 HDS 836 distance=57' 06136-1403 RST4297 distance=58' 06162-1321 BRG 22 distance=60' 06092-1404 BU 565 distance=71' 06073-1322 GAL 215 distance=72' 06076-1349 GWP 747 distance=78' 06117-1151 RST3444 distance=78' 06164-1359 RST3445 distance=80' 06080-1403 GWP 749 distance=81' 06070-1343 LDS3694 distance=83' 06167-1359 TOI 880 distance=83' 06168-1359 GAL 397AB distance=83' 06168-1359 SKF2509AC distance=83' 06180-1327 GAL 224 distance=87' 06126-1436 TDS3630 distance=87' 06182-1258 RST3447 distance=89' 06063-1248 SKF2508 distance=89' 06059-1315 HO 512 distance=91' 06142-1436 LDS 847 distance=93' 06167-1203 BU 18 distance=94' 06093-1141 HU 106 distance=98' 06182-1351 RST3448 distance=98' 06182-1223 BRT2648 distance=101' 06146-1447 BRT 565 distance=104' 06106-1128 GWP 759 distance=104' 06057-1358 TDS3552 distance=107' 06180-1413 A 3026 distance=108' 06192-1236 BRT2649 distance=110' 06193-1232 HO 231 distance=112' 06083-1445 GWP 751 distance=112' 06145-1456 GWP 766 distance=113' 06055-1416 XMI 11 distance=118' 06087-1458 J 1460 distance=120' 06094-1501 RST3441 distance=120' 06052-1419 STF 843 distance=124' 06208-1331 BRT1845 distance=129' 06049-1423 GAL 213 distance=129' 06192-1151 GAL 225 distance=129' 06099-1514 GWP 757 distance=130' 06197-1159 FOX 60 distance=131' 06135-1518 TDS3642 distance=132' 06084-1109 BU 17BC distance=132' 06084-1109 BU 17AB distance=132' 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 06121-1309 STF 875 323 4.6
Show 06130-1314 BRT1844 84 4.8 14
Show 06134-1253 TDS3636 61 0.6 25
Show 06111-1348 TOK 258 86 265.1 43
Show 06111-1348 LSC 40 Aa,Ab 191 0.1 43
Show 06148-1335 BRT2647 101 3.4 48
Show 06154-1330 GWP 767 92 118.8 52
Show 06086-1327 BRT1843 322 4.6 56
Show 06089-1238 HDS 836 70 0.5 57
Show 06136-1403 RST4297 145 0.3 58
Show 06162-1321 BRG 22 167 0.2 60
Show 06092-1404 BU 565 84 0.9 71
Show 06073-1322 GAL 215 277 9.8 72
Show 06076-1349 GWP 747 100 25.7 78
Show 06117-1151 RST3444 323 2.5 78
Show 06164-1359 RST3445 84 0.5 80
Show 06080-1403 GWP 749 229 201.2 81
Show 06070-1343 LDS3694 55 385.2 83
Show 06167-1359 TOI 880 345 8.3 83
Show 06168-1359 GAL 397 AB 108 11.6 83
Show 06168-1359 SKF2509 AC 345 8.3 83
Show 06180-1327 GAL 224 68 3.1 87
Show 06126-1436 TDS3630 284 0.9 87
Show 06182-1258 RST3447 174 0.2 89
Show 06063-1248 SKF2508 117 4.5 89
Show 06059-1315 HO 512 351 14.6 91
Show 06142-1436 LDS 847 13 6.2 93
Show 06167-1203 BU 18 286 1.9 94
Show 06093-1141 HU 106 332 0.7 98
Show 06182-1351 RST3448 355 0.9 98
Show 06182-1223 BRT2648 136 4.9 101
Show 06146-1447 BRT 565 9 3.6 104
Show 06106-1128 GWP 759 244 11.4 104
Show 06057-1358 TDS3552 51 3.3 107
Show 06180-1413 A 3026 128 4.2 108
Show 06192-1236 BRT2649 161 4.5 110
Show 06193-1232 HO 231 47 6.8 112
Show 06083-1445 GWP 751 186 126.1 112
Show 06145-1456 GWP 766 288 33.1 113
Show 06055-1416 XMI 11 82 25.5 118
Show 06087-1458 J 1460 132 3.2 120
Show 06094-1501 RST3441 187 3.1 120
Show 06052-1419 STF 843 13 24.0 124
Show 06208-1331 BRT1845 217 3.3 129
Show 06049-1423 GAL 213 125 8.7 129
Show 06192-1151 GAL 225 166 8.0 129
Show 06099-1514 GWP 757 15 17.8 130
Show 06197-1159 FOX 60 223 1.4 131
Show 06135-1518 TDS3642 2 1.0 132
Show 06084-1109 BU 17 BC 276 9.3 132
Show 06084-1109 BU 17 AB 192 3.6 132

 
 
WDS 06121-1309 : COMPONENTS
 
 
  A
B pa=323.2°
sep=4.52"
 
 
06121-1309 A
 
 
Componente originario normalizzato AB Name HD 42798 Coord arcsec 2000 061208.71-130853.3 Mag 9.19
Spectral class K0 (yellow-orange) PmRA 19.00 PmDE -26.0 Tycho2 5374-00056-1
HD 42798
Tycho2
Tycho2 5374-00056-1 Pflag RAmdeg 93.03628988 DEmdeg -13.14814029
PmRA -8.0 PmDE 8.9 E RAmdeg 13 E DEmdeg 13
E pmRA 1.7 E pmDE 1.7 EpRAm 1991.22 EpDEm 1991.19
Num 3 Q RAmdeg 0.7 Q DEmdeg 2.5 Q pmRA 0.7
Q pmDE 2.6 BTmag 10.814 E BTmag 0.040 VTmag 9.192
E VTmag 0.017 Prox 47 TYC T HIP
CCDM RAdeg 93.03630889 DEdeg -13.14816028 EpRA 1990 1.85
EpDE 1990 1.82 E RAdeg 13.1 E DEdeg 13.0 Posflg D
Corr 0.2
CCDM
Ccdm 06121-1309 RComp Comp A Note1
Note2 Discov num DRAs 2.84 DDEs 8.1
R dRAs 66 Year Theta Rho
Obs 2 Vmag 9.3 Sp K0 PmNote
PmRA 134 PmDE 2 Dm number -13 1384 Cat1 BD
Name2 Cat2 HD 42798 M HD
ADS BDS A 4811 M ADS BDS N IDS IDS 06075S1307A
HIC
 
 
06121-1309 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 061208.52-130849.7 Mag 10.38 PmRA -4.00
PmDE -1.0 Tycho2 5374-00056-2 Calc delta mag 1.19 Calc coord yes
Tycho2
Tycho2 5374-00056-2 Pflag RAmdeg 93.03551174 DEmdeg -13.14711422
PmRA -4.1 PmDE -0.5 E RAmdeg 28 E DEmdeg 29
E pmRA 1.8 E pmDE 1.8 EpRAm 1988.99 EpDEm 1988.74
Num 3 Q RAmdeg 0.9 Q DEmdeg 0.3 Q pmRA 0.9
Q pmDE 0.3 BTmag 10.778 E BTmag 0.044 VTmag 10.384
E VTmag 0.049 Prox 47 TYC T HIP
CCDM RAdeg 93.03552111 DEdeg -13.14711306 EpRA 1990 1.83
EpDE 1990 1.78 E RAdeg 28.1 E DEdeg 29.3 Posflg
Corr -0.2
CCDM
Ccdm 06121-1309 RComp Comp B Note1
Note2 Discov num STF 875 DRAs DDEs
R dRAs Year 1958 Theta 327 Rho 4.7
Obs 11 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 4811 M ADS BDS N IDS IDS 06075S1307B
HIC