Microlensing Planets

Data Columns in the Microlensing Planets Table

The following table lists all of the data columns in the Microlensing Planets interactive table. More details on microlensing resources in the archive are listed on the Microlensing page.

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Default Columns
Coordinate Columns
Microlensing Parameters
Magnitude Columns
Color Columns
Model Columns

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Default Columns

Default columns are those that display in the Microlensing interactive table when the table is first loaded and when the Reset Filters button is clicked. To add or remove other columns to the interactive table, click the Select Columns button in the upper-left corner of the interface to access Column Controls.

For more information on using the archive's interactive tables, see the User Guide.

Database
Column Name
Table Label Description
plntname Planet Name Planet name
ra_str RA [sexagesimal] Right ascension of the microlensing event, in sexagesimal format
dec_str Dec [sexagesimal] Declination of the microlensing event, in sexagesimal format
mlmassplnj Planet Mass [Jupiter mass] Mass of planet, in Jupiter masses
mlmassplne Planet Mass [Earth mass] Mass of planet, in Earth masses
mlsmaproj Planet-star Projected Semi-major Axis [AU] Projected physical separation of the planet and the host star in the plane of the sky at the time of the event
mlmasslens Lens Mass [Solar mass] Host star mass
mldistl Lens Distance [pc] Distance from the observer to the lens system
mldists Source Distance [pc] Distance from the observer to the source system
mltsepmin Time of Lens-source Minimum Separation [days] Time of lense-source minimum separation in the plane of the sky
mlsepminnorm Normalized Lens-source Minimum Separation Angular lens-source minimum separation in the plane of the sky, normalized to the angular Einstein radius (microlens impact parameter)
mlxtimeein Einstein Crossing Time [days] Time for the lens-source separation to change by one angular Einstein radius
mlradsnorm Normalized Source Angular Radius (10-3) Ratio of angular source star radius to the angular Einstein radius (x 10-3)
mlsepinsnorp Instantaneous Planet-star Projected and Normalized Separation Projected, angular separation of the planet and the host star in the plane of the sky at the time of the event, normalized to the angular Einstein radius
mlmassratio Planet-star Mass Ratio (10-4) Ratio of the planet mass to the host star mass (lens system; x 10-4)
mlangstlax Source Trajectory-lens Axis Angle [rad] Angle of the source system trajectory relative to the lens system axis
mlmagis Source I-band [mag] Brightness of the unmagnified source star, in I-band
mlmagibl Blend I-band [mag] Brightness of all objects, excluding the source star, superposed at the time of the event, in I-band
mlradeinang Angular Einstein Radius [mas] Angular radius of the Einstein ring
mlpmrells Lens-source Relative Proper Motion [mas/yr] Lens-source relative proper motion
mlmodeldef Default Model Binary flag indicating whether given microlens model is the default; best-fit model (1=yes; 0=no)


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Coordinate Columns

Database
Column Name
Table Label Description
ra RA [deg] Right ascension of the microlensing event, in decimal degrees
dec Dec [deg] Declination of the microlensing event, in decimal degrees
glon Galactic Longitude [deg] Galactic longitude of the microlensing event, in decimal degrees
glat Galactic Latitude [deg] Galactic latitude of the microlensing event, in decimal degrees


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Microlensing Parameter Columns

Database
Column Name
Table Label Description
mlplxrel Lens-source Relative Parallax Lens-source relative parallax
mlplxmicro Microlens Parallax Lens-source relative parallax normalized to the angular Einstein radius
mlplxmicron Microlens Parallax (North Component) North component of the microlens parallax
mlplxmicroe Microlens Parallax (East Component) East component of the microlens parallax
mldsdt Planet-star Separation Rate of Change [yr-1] Time rate of change of the projected, angular, normalized separation of the planet and host star in the plane of the sky due to orbital motion of the lens components
mldalphadt Source Trajectory Angle Rate of Change [rad/yr] Time rate of change of the angle of the source system trajectory to the lens system axis due to the orbital motion of the lens components
mlradsang Source Angular Radius [microas] Angular source star radius
mlradsphy Source Physical Radius [Solar radii] Physical source star radius
mlxtimesrc Source Crossing Time [days] Time for the lens-source separation to change by one angular source radius
mlefftime Effective Timescale [days] Effective timescale, equal to the product of the microlens impact parameter and the Einstein crossing time
mlpms Source Proper Motion [mas/yr] Source system proper motion


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Magnitude Columns


Database
Column Name
Table Label Description
mlmagvs Source V-band [mag] Brightness of the unmagnified source star, in V-band
mlmagvso Source De-reddened V-band [mag] De-reddened brightness of the unmagnified source star, in V-band
mlmagiso Source De-reddened I-band [mag] De-reddened brightness of the unmagnified source star, in I-band
mlmagjs Source J-band [mag] Brightness of the unmagnified source star, in J-band
mlmagjso Source De-reddened J-band [mag] De-reddened brightness of the unmagnified source star, in J-band
mlmaghs Source H-band [mag] Brightness of the unmagnified source star, in H-band
mlmaghso Source De-reddened H-band [mag] De-reddened brightness of the unmagnified source star, in H-band
mlmagks Source K-band [mag] Brightness of the unmagnified source star, in K-band
mlmagkso Source De-reddened K-band [mag] De-reddened brightness of the unmagnified source star, in K-band
mlmagibase Event Baseline I-band [mag] Brightness of all objects, including the unmagnified source star, superposed at the time of the event, in I-band
mlmagvl Lens V-band [mag] Brightness of the lens star, in V-band
mlmagil Lens I-band [mag] Brightness of the lens star, in I-band
mlmagjl Lens J-band [mag] Brightness of the lens star, in J-band
mlmaghl Lens H-band [mag] Brightness of the lens star, in H-band
mlmagkl Lens K-band [mag] Brightness of the lens star, in K-band
mlextvfld Line-of-sight V-Band Extinction [mag] Line-of-sight extinction toward the source system, in V-band
mlextifld Line-of-sight I-Band Extinction [mag] Line-of-sight extinction toward the source system, in I-band
mlextjfld Line-of-sight J-Band Extinction [mag] Line-of-sight extinction toward the source system, in J-band
mlexthfld Line-of-sight H-Band Extinction [mag] Line-of-sight extinction toward the source system, in H-band
mlextkfld Line-of-sight K-Band Extinction [mag] Line-of-sight extinction toward the source system, in K-band


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Color Columns

Database
Column Name
Table Label Description
mlcolvis Source (V-I) [mag] Color of the unmagnified source star, V minus I
mcolviso Source De-reddened (V-I) [mag] De-reddened color of the unmagnified source star, V minus I
mlcolvks Source (V-K) [mag] Color of the unmagnified source star, V minus K
mlcolvkso Source De-reddened (V-K) [mag] De-reddened color of the unmagnified source star, V minus K
mlcolihs Source (I-H) [mag] Color of the unmagnified source star, I minus H
mlcolihso Source De-reddened (I-H) [mag] De-reddened color of the unmagnified source star, I minus H
mlcolhks Source (H-K) [mag] Color of the unmagnified source star, H minus K
mlcolhkso Source De-reddened (H-K) [mag] De-reddened color of the unmagnified source star, H minus K
mlcolvibl Blend (V-I) [mag] Combined color of all objects, excluding the source star, superposed at the time of the event, V minus I
mlredvi Line-of-sght Reddening E(V-I) [mag] Line-of-sight reddening toward the source system, E(V-I)
mlredvk Line-of-sight Reddening E(V-K) [mag] Line-of-sight reddening toward the source system, E(V-K)
mlredhk Line-of-sight Reddening E(H-K) [mag] Line-of-sight reddening toward the source system, E(H-K)


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Model Columns

Database
Column Name
Table Label Description
mlmodelchisq Model Chi-squared Chi-squared of the microlens model selected as the best fit
mlcbflag Circumbinary Flag Binary flag indicating whether lens system is a stellar binary (1=yes; 0=no)
mldescription Model Description Microlensing model description and notes




Last updated: 1 May 2018