modCalcVlsrDlg modCalcVlsrDlg 0 0 670 640 LSR Velocity unnamed tabWidget3 tab Interactive Mode unnamed inputGroupBox Time && Location unnamed layout7 unnamed spacer10 Vertical Expanding 20 21 timBox 5 5 0 0 spacer8 Vertical Expanding 20 21 datBox StrongFocus dateLabel Date: timLabel Universal time: spacer2 Horizontal Fixed 20 20 layout8 unnamed heightBox 1000 32767 0.0 longBox 100 0 StrongFocus latLabel Latitude: longLabel Longitude: textLabel1_2 Height: latBox 100 0 StrongFocus layout14 unnamed spacer23 Horizontal Expanding 120 31 GroupBox2 Equatorial Coordinates unnamed raLabel Right ascension: raBox true 100 0 StrongFocus decLabel Declination: decBox 100 0 StrongFocus epochName 5 5 0 0 32767 32767 epochLabel Epoch: spacer1 Horizontal Fixed 100 20 layout15 unnamed groupBox8 Radial Velocities unnamed vlsrBox azLabel VLSR: vHelioBox textLabel1 Heliocentric velocity: vGeoBox textLabel2 Geocentric velocity: textLabel3 Topocentric velocity: vTopoBox spacer24 Horizontal Expanding 30 21 buttonGroup6 Input Velocity unnamed radioVlsr LSR true radioVhelio Heliocentric radioVgeo Geocentric radioVtopo Topocentric Layout10 unnamed 0 6 Compute 0 25 120 32767 Convert Clear 0 25 120 32767 Clear spacer11 Vertical Expanding 21 20 tab Batch Mode unnamed InputBox_2_2 true 5 5 0 0 Select Fields in Input File unnamed decCheckBatch Declination: true epochCheckBatch Epoch: dateCheckBatch Date: false utCheckBatch false UT: false raCheckBatch Right ascension: true utBoxBatch true 5 5 0 0 dateBoxBatch 100 0 decBoxBatch false 100 0 StrongFocus raBoxBatch false 100 0 StrongFocus epochBoxBatch 5 5 0 0 longBoxBatch true 100 0 StrongFocus longCheckBatch Longitude: false latBoxBatch true 100 0 StrongFocus latCheckBatch Latitude: false heightCheckBatch Height: false vlsrCheckBatch LSR velocity: false helioVCheckBatch Heliocentric v.: geoVCheckBatch Geocentric v.: topoVCheckBatch Topocentric v.: vlsrBoxBatch heightBoxBatch vhelioBoxBatch vgeoBoxBatch vtopoBoxBatch buttonGroup4 Fields in Output File Plus Result unnamed allRadioBatch All parameters inputRadioBatch Only parameters in input file true groupBox4_2 Files unnamed InputButtonBatch Input File... File with the input data InputLineEditBatch OutputLineEditBatch OutButtonBatch Output File... File for the output data layout14 unnamed spacer20 Horizontal Expanding 151 21 runButtonBatch 7 5 0 0 Run spacer19 Horizontal Expanding 131 21 spacer7 Vertical Expanding 20 50 TabPage Overview unnamed kTextBrowser1 <p> The Local Standard of Rest (LSR) is the location in which the mean value of the velocity of a selection of the stars in solar neighboorhood is zero. The local solar motion, that is, the velocity of the sun referred to the Local Standard of Rest is not null: the sun moves with a velocity of 20 km/s towards a point called, solar apex, whose coordinates are:</p> <li>Ra= 18:03:50.2 (J2000)</li> <li>Dec = 30:0:16.8 (J2000)</li> <p>Astronomical sources move relative to the Sun and their velocity can be decomposed in radial velocity, and velocity on the plane of the sky, also know as proper motion in right ascension and declination. The radial velocity is usually obtained by analyzing their spectral emission and the frequency shift of the lines due to Doppler effect. Observational astronomers usually refer source's radial velocity to the LSR.</p> <p>This calculator module allows to obtain the radial velocity of the source referred to the center of the sun (what we call heliocentric velocity), referred to the center of the Earth (geocentric velocity) and to the observer site (topocentric velocity) from the LSR radial velocity</p> <li>The heliocentric velocity (V<sub>hel</sub>) is computed by obtaining the scalar product of the radial velocity of the source referred to the LSR (V<sub>lsr</sub>) with the velocity of the Sun referred to the LSR (V<sub>sun</sub>: <img src="vlsr1.png"> </li> <li>The geocentric velocity (V<sub>geo</sub>) is obtained from the heliocentric velocity, the velocity of the Earth (V<sub>E</sub>) and its position for a given date and time: <img src="vlsr2.png"> </li> <li>The topocentric velocity is obtained from the geocentric velocity, the position on the Earth, and the date and time at which we desire to know the radial velocity of the source.</li> dmsBox
../dmsbox.h
70 20 0 5 5 0 0 image0 ExtDateEdit
libtdeedu/extdate/extdatetimeedit.h
70 20 0 5 5 0 0 image1 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Compute clicked() modCalcVlsrDlg slotComputeVelocities() Clear clicked() modCalcVlsrDlg slotClearCoords() InputButtonBatch clicked() modCalcVlsrDlg slotInputFile() OutButtonBatch clicked() modCalcVlsrDlg slotOutputFile() runButtonBatch clicked() modCalcVlsrDlg slotRunBatch() tabWidget3 timBox datBox longBox latBox heightBox raBox decBox epochName vlsrBox vHelioBox vGeoBox vTopoBox radioVlsr Compute Clear decCheckBatch epochCheckBatch dateCheckBatch utCheckBatch raCheckBatch utBoxBatch decBoxBatch raBoxBatch epochBoxBatch longBoxBatch longCheckBatch latBoxBatch latCheckBatch heightCheckBatch vlsrCheckBatch helioVCheckBatch geoVCheckBatch topoVCheckBatch vlsrBoxBatch heightBoxBatch vhelioBoxBatch vgeoBoxBatch vtopoBoxBatch inputRadioBatch InputButtonBatch InputLineEditBatch OutputLineEditBatch OutButtonBatch runButtonBatch kTextBrowser1 slotComputeVelocities() slotClearCoords() slotUtChecked() slotDateChecked() slotRaChecked() slotDecChecked() slotEpochChecked() slotLongChecked() slotLatChecked() slotHeightChecked() slotVlsrChecked() slotInputFile() slotOutputFile() slotRunBatch() klineedit.h dmsbox.h dmsbox.h dmsbox.h dmsbox.h klineedit.h klineedit.h klineedit.h klineedit.h dmsbox.h dmsbox.h klineedit.h dmsbox.h dmsbox.h klineedit.h klineedit.h ktextbrowser.h