NASA confirmed exoplanet table parameters and definitions

	Database Column Name	Table Label	Description
0	pl_hostname	Host Star Name	Stellar name most commonly used in the literature.
1	pl_letter	Planet Letter	Letter assigned to the planetary component of a planetary system.
2	pl_name	Planet Name	Planet name most commonly used in the literature.
3	pl_discmethod	Discovery Method	Method by which the planet was first identified.
4	pl_controvflag	Controversial Flag	Flag indicating whether the confirmation status of a planet has been questioned in the published literature (1=yes, 0=no)
5	pl_pnum	Number of Planets in System	Number of planets in the planetary system.
6	pl_orbper	Orbital Period (days)	Time the planet takes to make a complete orbit around the host star or system.
7	pl_orbsmax	Orbit Semi-Major Axis (AU)	The longest radius of an elliptic orbit, or, for exoplanets detected via gravitational microlensing or direct imaging, the projected separation in the plane of the sky.
8	pl_orbeccen	Eccentricity	Amount by which the orbit of the planet deviates from a perfect circle.
9	pl_orbincl	Inclination (deg)	Angular distance of the orbital plane from the line of sight.
10	pl_bmassj	Planet Mass or M*sin(i) [Jupiter mass]	Best planet mass estimate available, in order of preference: Mass, M*sin(i)/sin(i), or M*sin(i), depending on availability, and measured in Jupiter masses. See Planet Mass M*sin(i) Provenance (pl_bmassprov) to determine which measure applies.
11	pl_bmassprov	Planet Mass or M*sin(i) Provenance	Provenance of the measurement of the best mass. Options are: Mass, M*sin(i)/sin(i), and M*sini.
12	pl_radj	Planet Radius (Jupiter radii)	Length of a line segment from the center of the planet to its surface, measured in units of radius of Jupiter.
13	pl_dens	Planet Density (g/cm**3)	Amount of mass per unit of volume of the planet.
14	pl_ttvflag	TTV Flag	Flag indicating if the planet orbit exhibits transit timing variations from another planet in the system (1=yes, 0=no).Note:Non-transiting planets discovered via the transit timing variations of another planet in the system will not have their TTV flag set, since they do not themselves demonstrate TTVs.
15	pl_kepflag	Kepler Field Flag	Flag indicating if the planetary system signature is present in data taken with the Kepler mission (1=yes, 0=no).
16	pl_k2flag	K2 Mission Flag	Flag indicating if the planetary system signature is present in data taken with the K2 Mission (1=yes, 0=no).
17	pl_nnotes	Number of Notes	Number of Notes associated with the planet. View all notes in the Confirmed Planet Overview page.
18	ra_str	RA (sexagesimal)	Right Ascension of the planetary system in sexagesimal format.
19	dec_str	Dec (sexagesimal)	Declination of the planetary system in sexagesimal notation.
20	ra	RA (decimal degrees)	Right Ascension of the planetary system in decimal degrees.
21	dec	Dec (decimal degrees)	Declination of the planetary system in decimal degrees.
22	st_dist	Distance (pc)	Distance to the planetary system in units of parsecs.
23	gaia_dist	GaiaDistance [pc]	Distance computed fromGaiaparallax.
24	st_optmag	Optical Magnitude [mag]	Brightness of the host star as measured using the V (Johnson) or the Kepler-band in units of magnitudes.
25	st_optband	Optical Magnitude Band	Band corresponding to the Optical Magnitude. Options are: V (Johnson) or Kepler-band.
26	gaia_gmag	G-band (Gaia) [mag]	Brightness of the host star as measuring using theGaiaband in units of magnitudes. Objects matched toGaiausing the Hipparcos or 2MASS IDs provided inGaiaDR2.
27	st_teff	Effective Temperature (K)	Temperature of the star as modeled by a black body emitting the same total amount of electromagnetic radiation.
28	st_mass	Stellar Mass (solar mass)	Amount of matter contained in the star, measured in units of masses of the Sun.
29	st_rad	Stellar Radius (solar radii)	Length of a line segment from the center of the star to its surface, measured in units of radius of the Sun.
30	rowupdate	Date of Last Update	Date of last update of the planet parameters.
31	pl_facility	Discovery Facility	Name of facility of planet discovery observations
33	pl_tranflag	Planet Transit Flag	Flag indicating if the planet transits its host star (1=yes, 0=no)
34	pl_rvflag	Planet RV Flag	Flag indicating if the planet host star exhibits radial velocity variations due to the planet (1=yes, 0=no)
35	pl_imgflag	Planet Imaging Flag	Flag indicating if the planet has been observed via imaging techniques (1=yes, 0=no)
36	pl_astflag	Planet Astrometry Flag	Flag indicating if the planet host star exhibits astrometrical variations due to the planet (1=yes, 0=no)
37	pl_omflag	Orbital Modulation Flag	Flag indicating whether the planet exhibits orbital modulations on the phase curve (1=yes, 0=no)
38	pl_cbflag	Circumbinary Flag	Flag indicating whether the planet orbits a binary system (1=yes, 0=no)
39	pl_angsep	Calculated Angular Separation [mas]	The calculated angular separation (semi-major axis/distance) between the star and the planet. This value is only calculated for systems with both a semi-major axis and a distance value.
40	pl_orbtper	Time of Periastron (Julian Days)	The time at which the orbiting body is at its closest approach to the star it orbits (i.e. is at periastron).
41	pl_orblper	Longitude of Periastron (deg)	The angular separation between the ascending node of the orbit and the location in the orbit of periastron.
42	pl_rvamp	Radial Velocity Amplitude [m/s]	Half the peak-to-peak amplitude of variability in the stellar radial velocity.
43	pl_eqt	Planet Equilibrium Temperature [K]	The equilibrium temperature of the planet as modeled by a black body heated only by its host star, or for directly imaged planets, the effective temperature of the planet required to match the measured luminosity if the planet were a black body.
44	pl_insol	Insolation Flux [Earth flux]	Insolation flux is another way to give the equilibrium temperature. It's given in units relative to those measured for the Earth from the Sun.
45	pl_massj	Planet Mass (Jupiter mass)	Amount of matter contained in the planet, measured in units of masses of Jupiter.
46	pl_msinij	Planet M*sin(i) (Jupiter mass)	Minimum mass of a planet as measured by radial velocity, measured in units of masses of Jupiter.
47	pl_masse	Planet Mass (Earth mass)	Amount of matter contained in the planet, measured in units of masses of the Earth.
48	pl_msinie	Planet M*sini(i) [Earth mass]	Minimum mass of a planet as measured by radial velocity, measured in units of masses of Earth.
49	pl_bmasse	Planet Mass or M*sin(i) [Earth mass]	Best planet mass estimate available, in order of preference: Mass, M*sin(i)/sin(i), or M*sin(i), depending on availability, and measured in Earth masses. See Planet Mass M*sin(i) Provenance (pl_bmassprov) to determine which measure applies.
50	pl_rade	Planet Radius (Earth radii)	Length of a line segment from the center of the planet to its surface, measured in units of radius of the Earth.
51	pl_rads	Planet Radius (solar)	Length of a line segment from the center of the planet to its surface, measured in units of radius of the Sun.
52	pl_trandep	Transit Depth (percentage)	The size of the relative flux decrement caused by the orbiting body transiting in front of the star.
53	pl_trandur	Transit Duration (days)	The length of time from the moment the planet begins to cross the stellar limb to the moment the planet finishes crossing the stellar limb.
54	pl_tranmid	Transit Midpoint (Julian days)	The time given by the average of the time the planet begins to cross the stellar limb and the time the planet finishes crossing the stellar limb.
55	pl_tsystemref	Time System Reference
56	pl_imppar	Impact Parameter	The sky-projected distance between the center of the stellar disc and the center of the planet disc at conjunction, normalized by the stellar radius.
57	pl_occdep	Occultation Depth	Depth of occultation of secondary eclipse
58	pl_ratdor	Planet-Star Distance over Star Radius	The distance between the planet and the star at mid-transit divided by the stellar radius. For the case of zero orbital eccentricity, the distance at mid-transit is the semi-major axis of the planetary orbit.
59	pl_ratror	Planet-Star Radius Ratio	The planet radius divided by the stellar radius
60	pl_def_refname	Default Reference	Reference for publication used for default parameter
61	pl_disc	Year of Discovery	Year the planet was discovered
62	pl_disc_refname	Discovery Reference	Reference name for discovery publication
63	pl_locale	Discovery Locale	Location of observation of planet discovery (Ground or Space)
64	pl_telescope	Discovery Telescope	Name of telescope of planet discovery observations
65	pl_instrument	Discovery Instrument	Name of instrument of planet discovery observations
66	pl_status	Status	Status of the planet (1 = announced, 2 = submitted, 3 = accepted, 0 = retracted).
67	pl_mnum	Number of Moons in System	Number of moons detected in the planetary system.
68	pl_st_npar	Number of Stellar and Planet Parameters	Number of Stellar and Planet Parameters
69	pl_st_nref	Number of Stellar and Planet References	Number of Stellar and Planet References
70	pl_pelink	Link to Exoplanet Encyclopaedia	It links to the planet page in the Exoplanet Encyclopaedia.
71	pl_edelink	Link to Exoplanet Data Explorer	It links to the planet page in Exoplanet Data Explorer.
72	pl_publ_date	Publication Date	Publication Date of the planet discovery referee publication.
74	hd_name	HD Name	Name of the star as given by the Henry Draper Catalog.
75	hip_name	HIP Name	Name of the star as given by the Hipparcos Catalog.
76	st_rah	RA (hours)	Right Ascension of the planetary system in decimal hours.
77	st_glon	Galactic Longitude (deg)	Galactic longitude of the planetary system in units of decimal degrees.
78	st_glat	Galactic Latitude (deg)	Galactic latitude of the planetary system in units of decimal degrees.
79	st_elon	Ecliptic Longitude (deg)	Ecliptic longitude of the planetary system in units of decimal degrees.
80	st_elat	Ecliptic Latitude (deg)	Ecliptic latitude of the planetary system in units of decimal degrees.
81	st_plx	Parallax (mas)	Difference in the angular position of a star as measured at two opposite positions within the Earth's orbit.
82	gaia_plx	GaiaParallax [mas]	GaiaDR2 difference in the angular position of a star as measured at two opposite positions within the Earth's orbit.
83	st_pmra	RA Proper Motion (mas/yr)	Angular change in right ascension over time as seen from the center of mass of the Solar System.
84	st_pmdec	Dec Proper Motion (mas/yr)	Angular change in declination over time as seen from the center of mass of the Solar System.
85	st_pm	Total Proper Motion (mas/yr)	Angular change in position over time as seen from the center of mass of the Solar System.
86	gaia_pmra	GaiaProper Motion (RA) [mas/yr]	GaiaDR2 angular change in right ascension over time as seen from the center of mass of the Solar System.
87	gaia_pmdec	GaiaProper Motion (Dec) [mas/yr]	GaiaDR2 angular change in declination over time as seen from the center of mass of the Solar System.
88	gaia_pm	GaiaTotal Proper Motion [mas/yr]	GaiaDR2 total proper motion computed from the RA and Dec.
89	st_radv	Radial Velocity (km/sec)	Velocity of the star in the direction of the line of sight.
90	st_spstr	Spectral Type	Classification of the star based on their spectral characteristics following the Morgan-Keenan system.
91	st_logg	Stellar Surface Gravity	Gravitational acceleration experienced at the stellar surface.
92	st_lum	Stellar Luminosity [log(solar)]	Amount of energy emitted by a star per unit time, measured in units of solar luminosities.
93	st_dens	Stellar Density [g/cm**3]	Amount of mass per unit of volume of the star.
94	st_metfe	Stellar Metallicity (dex)	Measurement of the metal content of the photosphere of the star as compared to the hydrogen content.
95	st_metratio	Metallicity Ratio	Ratio for the Metallicity Value ([Fe/H] denotes iron abundance, [M/H] refers to a general metal content)
96	st_age	Stellar Age [Gyr]	The age of the host star.
97	st_vsini	Rotational Velocity v*sin(i) [km/s]	Rotational velocity at the equator of the star multiplied by the sine of the inclination.
98	st_acts	Stellar Activity Index (S-Index)	Chromospheric activity as measured by the S-index (ratio of the emission of the H and K Ca lines to that in nearby continuum).
99	st_actr	Stellar Activity Log (R'HK)	Chromospheric activity as measured by the log(R' HK) index, with is based on the S-index, but excludes the photospheric component in the Ca lines.
100	st_actlx	x-ray Activity (Lx)"	Stellar activity as measured by the total luminosity in X-rays.
101	swasp_id	SWASP Identifier	Name of the star as given by the SuperWASP (Wide Angle Search for Planets) project.
102	st_nts	Number of Time Series	Number of literature time series available for this star in the NASA Exoplanet Archive
103	st_nplc	Number of Planet Transit Light Curves	Number of literature transit light curves available for this star in the NASA Exoplanet Archive.
104	st_nglc	Number of General Light Curves	Number of Hipparcos light curves available for this star in the NASA Exoplanet Archive.
105	st_nrvc	Number of Radial Velocity Time Series	Number of literature radial velocity curves available for this star in the NASA Exoplanet Archive.
106	st_naxa	Number of Amateur Light Curves	Number of literature amateur light curves available for this star in the NASA Exoplanet Archive.
107	st_nimg	Number of Images	Number of literature images available for this star in the NASA Exoplanet Archive.
108	st_nspec	Number of Spectra	Number of literature of spectra available for this star in the NASA Exoplanet Archive.
110	st_uj	U-band (Johnson) [mag]	Brightness of the host star as measured using the U (Johnson) band in units of magnitudes.
111	st_vj	V-band (Johnson) [mag]	Brightness of the host star as measured using the V (Johnson) band in units of magnitudes.
112	st_bj	B-band (Johnson) [mag]	Brightness of the host star as measured using the B (Johnson) band in units of magnitudes.
113	st_rc	R-band (Cousins) [mag]	Brightness of the host star as measured using the R (Cousins) band in units of magnitudes.
114	st_ic	I-band (Cousins) [mag]	Brightness of the host star as measured using the I (Cousins) band in units of magnitudes.
115	st_j	J-band (2MASS) [mag]	Brightness of the host star as measured using the J (2MASS) band in units of magnitudes.
116	st_h	H-band (2MASS) [mag]	Brightness of the host star as measured using the H (2MASS) band in units of magnitudes.
117	st_k	Ks-band (2MASS) [mag]	Brightness of the host star as measured using the K (2MASS) band in units of magnitudes.
118	st_wise1	WISE 3.4um [mag]	Brightness of the host star as measured using the 3.4um (WISE) band in units of magnitudes.
119	st_wise2	WISE 4.6um [mag]	Brightness of the host star as measured using the 4.6um (WISE) band in units of magnitudes.
120	st_wise3	WISE 12.um [mag]	Brightness of the host star as measured using the 12.um (WISE) band in units of magnitudes.
121	st_wise4	WISE 22.um [mag]	Brightness of the host star as measured using the 22.um (WISE) band in units of magnitudes.
122	st_irac1	IRAC 3.6um [mag]	Brightness of the host star as measured using the 3.6um (IRAC) band in units of magnitudes.
123	st_irac2	IRAC 4.5um [mag]	Brightness of the host star as measured using the 4.5um (IRAC) band in units of magnitudes.
124	st_irac3	IRAC 5.8um [mag]	Brightness of the host star as measured using the 5.8um (IRAC) band in units of magnitudes.
125	st_irac4	IRAC 8.0um [mag]	Brightness of the host star as measured using the 8.0um (IRAC) band in units of magnitudes.
126	st_mips1	MIPS 24um [mag]	Brightness of the host star as measured using the 24um (MIPS) band in units of magnitudes.
127	st_mips2	MIPS 70um [mag]	Brightness of the host star as measured using the 70um (MIPS) band in units of magnitudes.
128	st_mips3	MIPS 160um [mag]	Brightness of the host star as measured using the 160um (MIPS) band in units of magnitudes.
129	st_iras1	IRAS 12um [Jy]	Brightness of the host star as measured using the 12um (IRAS) band in units of Jy.
130	st_iras2	IRAS 25um [Jy]	Brightness of the host star as measured using the 25um (IRAS) band in units of Jy.
131	st_iras3	IRAS 60um [Jy]	Brightness of the host star as measured using the 60um (IRAS) band in units of Jy.
132	st_iras4	IRAS 100um [Jy]	Brightness of the host star as measured using the 100um (IRAS) band in units of Jy.
133	st_photn	Number of Photometry Measurements	Number of photometry measurements available for this star in the NASA Exoplanet Archive.
135	st_umbj	U-B (Johnson) [mag]	Color of the star as measured by the difference between U and B (Johnson) bands.
136	st_bmvj	B-V (Johnson) [mag]	Color of the star as measured by the difference between B and V (Johnson) bands.
137	st_vjmic	V-I (Johnson-Cousins) [mag]	Color of the star as measured by the difference between V (Johnson) and I (Cousins) bands.
138	st_vjmrc	V-R (Johnson-Cousins) [mag]	Color of the star as measured by the difference between V (Johnson) and R (Cousins) bands.
139	st_jmh2	J-H (2MASS) [mag]	Color of the star as measured by the difference between J and H (2MASS) bands.
140	st_hmk2	H-Ks (2MASS) [mag]	Color of the star as measured by the difference between H and K (2MASS) bands.
141	st_jmk2	J-Ks (2MASS) [mag]	Color of the star as measured by the difference between K and K (2MASS) bands.
142	st_bmy	b-y (Stromgren) [mag]	Color of the star as measured by the difference between b and y (Stromgren) bands.
143	st_m1	m1 (Stromgren) [mag]	Color of the star as measured by the m1 (Stromgren) system.
144	st_c1	c1 (Stromgren) [mag]	Color of the star as measured by the c1 (Stromgren) system.
145	st_colorn	Number of Color Measurements	Number of color measurements available for this star in the NASA Exoplanet Archive.
147