MPL-5¶
This datamodel corresponds to the MPL-5 (v2_0_1, 1.1.1) release of MaNGA data.
DataModels¶
DRP DataModel¶
Here describes the DRP datamodels for spectra, datacubes, and rss properties. Each table displays relevant information such as property name, a description and units, as well as which FITS extension the property corresponds to. Each table can be scrolled horizonally for additional info.
Name |
Description |
Unit |
FITS |
DB |
---|---|---|---|---|
spectral_resolution |
Median spectral resolution as a function of wavelength for the fibers in this IFU |
Angstrom |
SPECRES |
cube.specres |
Name |
Description |
Unit |
Ivar |
Mask |
FITS |
DB |
---|---|---|---|---|---|---|
flux |
3D rectified cube |
1e-17 erg / (Angstrom cm2 s spaxel) |
True |
True |
FLUX |
spaxel.flux |
Name |
Description |
Unit |
Ivar |
Mask |
FITS |
DB |
---|---|---|---|---|---|---|
flux |
Row-stacked spectra from all exposures for the target |
1e-17 erg / (Angstrom cm2 fiber s) |
True |
True |
FLUX |
rssfiber.flux |
xpos |
Array of fiber X-positions relative to the IFU center |
arcsec |
False |
False |
XPOS |
rssfiber.xpos |
ypos |
Array of fiber Y-positions relative to the IFU center |
arcsec |
False |
False |
YPOS |
rssfiber.ypos |
DAP DataModel¶
Here describes the DAP datamodels for bintypes, templates, models, and map properties. Each table displays relevant information such as property name, a description and units, as well as which FITS extension the property corresponds to. Each table can be scrolled horizonally for additional info.
Name |
Description |
Binned |
---|---|---|
ALL |
Sum of all spectra in each datacube. |
True |
NRE |
Two radial bins, binning all spectra from 0-1 and 1-2 (elliptical Petrosian) effective radii. |
True |
VOR10 |
Spectra binned to S/N~10 using the Voronoi binning algorithm (Cappellari & Copin 2003). |
True |
SPX |
Unbinned spaxels. |
False |
Name |
Description |
---|---|
GAU-MILESHC |
Set of stellar templates derived from the MILES library. |
Name |
Description |
Unit |
BinId |
Ivar |
Mask |
---|---|---|---|---|---|
binned_flux |
Flux of the binned spectra |
1e-17 erg / (Angstrom cm2 s spaxel) |
binid |
True |
True |
full_fit |
The best fitting model spectra (sum of the fitted continuum and emission-line models) |
1e-17 erg / (Angstrom cm2 s spaxel) |
binid |
False |
True |
emline_fit |
The model spectrum with only the emission lines. |
1e-17 erg / (Angstrom cm2 s spaxel) |
binid |
False |
True |
emline_base_fit |
The model of the constant baseline fitted beneath the emission lines. |
1e-17 erg / (Angstrom cm2 s spaxel) |
binid |
False |
True |
Name |
Channels |
Description |
Ivar |
Mask |
FITS |
DB |
---|---|---|---|---|---|---|
spx_skycoo |
on_sky_x, on_sky_y |
Offsets of each spaxel from the galaxy center. |
False |
False |
SPX_SKYCOO |
spaxelprop5.spx_skycoo_on_sky_x, spaxelprop5.spx_skycoo_on_sky_y |
spx_ellcoo |
elliptical_radius, elliptical_azimuth |
Elliptical polar coordinates of each spaxel from the galaxy center. |
False |
False |
SPX_ELLCOO |
spaxelprop5.spx_ellcoo_elliptical_radius, spaxelprop5.spx_ellcoo_elliptical_azimuth |
spx_mflux |
None |
Mean flux in r-band (5600.1-6750.0 ang). |
True |
False |
SPX_MFLUX |
spaxelprop5.spx_mflux |
spx_snr |
None |
r-band signal-to-noise ratio per pixel. |
False |
False |
SPX_SNR |
spaxelprop5.spx_snr |
binid |
None |
ID number for the bin for which the pixel value was calculated; bins are sorted by S/N. |
False |
False |
BINID |
spaxelprop5.binid |
bin_lwskycoo |
lum_weighted_on_sky_x, lum_weighted_on_sky_y |
Light-weighted offset of each bin from the galaxy center. |
False |
False |
BIN_LWSKYCOO |
spaxelprop5.bin_lwskycoo_lum_weighted_on_sky_x, spaxelprop5.bin_lwskycoo_lum_weighted_on_sky_y |
bin_lwellcoo |
lum_weighted_elliptical_radius, lum_weighted_elliptical_azimuth |
Light-weighted elliptical polar coordinates of each bin from the galaxy center. |
False |
False |
BIN_LWELLCOO |
spaxelprop5.bin_lwellcoo_lum_weighted_elliptical_radius, spaxelprop5.bin_lwellcoo_lum_weighted_elliptical_azimuth |
bin_area |
None |
Area of each bin. |
False |
False |
BIN_AREA |
spaxelprop5.bin_area |
bin_farea |
None |
Fractional area that the bin covers for the expected bin shape (only relevant for radial binning). |
False |
False |
BIN_FAREA |
spaxelprop5.bin_farea |
bin_mflux |
None |
Mean flux in the r-band for the binned spectra. |
True |
True |
BIN_MFLUX |
spaxelprop5.bin_mflux |
bin_snr |
None |
r-band signal-to-noise ratio per pixel in the binned spectra. |
False |
False |
BIN_SNR |
spaxelprop5.bin_snr |
stellar_vel |
None |
Stellar velocity relative to NSA redshift. |
True |
True |
STELLAR_VEL |
spaxelprop5.stellar_vel |
stellar_sigma |
None |
Stellar velocity dispersion (must be corrected using STELLAR_SIGMACORR) |
True |
True |
STELLAR_SIGMA |
spaxelprop5.stellar_sigma |
stellar_sigmacorr |
None |
Quadrature correction for STELLAR_SIGMA to obtain the astrophysical velocity dispersion.) |
False |
False |
STELLAR_SIGMACORR |
spaxelprop5.stellar_sigmacorr |
stellar_cont_fresid |
68th_percentile, 99th_percentile |
68%% and 99%% growth of the fractional residuals between the model and data. |
False |
False |
STELLAR_CONT_FRESID |
spaxelprop5.stellar_cont_fresid_68th_percentile, spaxelprop5.stellar_cont_fresid_99th_percentile |
stellar_cont_rchi2 |
None |
Reduced chi-square of the stellar continuum fit. |
False |
False |
STELLAR_CONT_RCHI2 |
spaxelprop5.stellar_cont_rchi2 |
emline_sflux |
oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732, oii_3727, oii_3729, heps_3971, hdel_4102, hgam_4341, heii_4687, hei_5877, siii_8831, siii_9071, siii_9533 |
Non-parametric summed flux for emission lines. |
True |
True |
EMLINE_SFLUX |
spaxelprop5.emline_sflux_oiid_3728, spaxelprop5.emline_sflux_hb_4862, spaxelprop5.emline_sflux_oiii_4960, spaxelprop5.emline_sflux_oiii_5008, spaxelprop5.emline_sflux_oi_6302, spaxelprop5.emline_sflux_oi_6365, spaxelprop5.emline_sflux_nii_6549, spaxelprop5.emline_sflux_ha_6564, spaxelprop5.emline_sflux_nii_6585, spaxelprop5.emline_sflux_sii_6718, spaxelprop5.emline_sflux_sii_6732, spaxelprop5.emline_sflux_oii_3727, spaxelprop5.emline_sflux_oii_3729, spaxelprop5.emline_sflux_heps_3971, spaxelprop5.emline_sflux_hdel_4102, spaxelprop5.emline_sflux_hgam_4341, spaxelprop5.emline_sflux_heii_4687, spaxelprop5.emline_sflux_hei_5877, spaxelprop5.emline_sflux_siii_8831, spaxelprop5.emline_sflux_siii_9071, spaxelprop5.emline_sflux_siii_9533 |
emline_sew |
oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732, oii_3727, oii_3729, heps_3971, hdel_4102, hgam_4341, heii_4687, hei_5877, siii_8831, siii_9071, siii_9533 |
Emission line non-parametric equivalent widths measurements. |
True |
True |
EMLINE_SEW |
spaxelprop5.emline_sew_oiid_3728, spaxelprop5.emline_sew_hb_4862, spaxelprop5.emline_sew_oiii_4960, spaxelprop5.emline_sew_oiii_5008, spaxelprop5.emline_sew_oi_6302, spaxelprop5.emline_sew_oi_6365, spaxelprop5.emline_sew_nii_6549, spaxelprop5.emline_sew_ha_6564, spaxelprop5.emline_sew_nii_6585, spaxelprop5.emline_sew_sii_6718, spaxelprop5.emline_sew_sii_6732, spaxelprop5.emline_sew_oii_3727, spaxelprop5.emline_sew_oii_3729, spaxelprop5.emline_sew_heps_3971, spaxelprop5.emline_sew_hdel_4102, spaxelprop5.emline_sew_hgam_4341, spaxelprop5.emline_sew_heii_4687, spaxelprop5.emline_sew_hei_5877, spaxelprop5.emline_sew_siii_8831, spaxelprop5.emline_sew_siii_9071, spaxelprop5.emline_sew_siii_9533 |
emline_gflux |
oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732, oii_3727, oii_3729, heps_3971, hdel_4102, hgam_4341, heii_4687, hei_5877, siii_8831, siii_9071, siii_9533 |
Gaussian profile integrated flux for emission lines. |
True |
True |
EMLINE_GFLUX |
spaxelprop5.emline_gflux_oiid_3728, spaxelprop5.emline_gflux_hb_4862, spaxelprop5.emline_gflux_oiii_4960, spaxelprop5.emline_gflux_oiii_5008, spaxelprop5.emline_gflux_oi_6302, spaxelprop5.emline_gflux_oi_6365, spaxelprop5.emline_gflux_nii_6549, spaxelprop5.emline_gflux_ha_6564, spaxelprop5.emline_gflux_nii_6585, spaxelprop5.emline_gflux_sii_6718, spaxelprop5.emline_gflux_sii_6732, spaxelprop5.emline_gflux_oii_3727, spaxelprop5.emline_gflux_oii_3729, spaxelprop5.emline_gflux_heps_3971, spaxelprop5.emline_gflux_hdel_4102, spaxelprop5.emline_gflux_hgam_4341, spaxelprop5.emline_gflux_heii_4687, spaxelprop5.emline_gflux_hei_5877, spaxelprop5.emline_gflux_siii_8831, spaxelprop5.emline_gflux_siii_9071, spaxelprop5.emline_gflux_siii_9533 |
emline_gvel |
oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732, oii_3727, oii_3729, heps_3971, hdel_4102, hgam_4341, heii_4687, hei_5877, siii_8831, siii_9071, siii_9533 |
Gaussian profile velocity for emission lines. |
True |
True |
EMLINE_GVEL |
spaxelprop5.emline_gvel_oiid_3728, spaxelprop5.emline_gvel_hb_4862, spaxelprop5.emline_gvel_oiii_4960, spaxelprop5.emline_gvel_oiii_5008, spaxelprop5.emline_gvel_oi_6302, spaxelprop5.emline_gvel_oi_6365, spaxelprop5.emline_gvel_nii_6549, spaxelprop5.emline_gvel_ha_6564, spaxelprop5.emline_gvel_nii_6585, spaxelprop5.emline_gvel_sii_6718, spaxelprop5.emline_gvel_sii_6732, spaxelprop5.emline_gvel_oii_3727, spaxelprop5.emline_gvel_oii_3729, spaxelprop5.emline_gvel_heps_3971, spaxelprop5.emline_gvel_hdel_4102, spaxelprop5.emline_gvel_hgam_4341, spaxelprop5.emline_gvel_heii_4687, spaxelprop5.emline_gvel_hei_5877, spaxelprop5.emline_gvel_siii_8831, spaxelprop5.emline_gvel_siii_9071, spaxelprop5.emline_gvel_siii_9533 |
emline_gsigma |
oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732, oii_3727, oii_3729, heps_3971, hdel_4102, hgam_4341, heii_4687, hei_5877, siii_8831, siii_9071, siii_9533 |
Gaussian profile velocity dispersion for emission lines; must be corrected using EMLINE_INSTSIGMA. |
True |
True |
EMLINE_GSIGMA |
spaxelprop5.emline_gsigma_oiid_3728, spaxelprop5.emline_gsigma_hb_4862, spaxelprop5.emline_gsigma_oiii_4960, spaxelprop5.emline_gsigma_oiii_5008, spaxelprop5.emline_gsigma_oi_6302, spaxelprop5.emline_gsigma_oi_6365, spaxelprop5.emline_gsigma_nii_6549, spaxelprop5.emline_gsigma_ha_6564, spaxelprop5.emline_gsigma_nii_6585, spaxelprop5.emline_gsigma_sii_6718, spaxelprop5.emline_gsigma_sii_6732, spaxelprop5.emline_gsigma_oii_3727, spaxelprop5.emline_gsigma_oii_3729, spaxelprop5.emline_gsigma_heps_3971, spaxelprop5.emline_gsigma_hdel_4102, spaxelprop5.emline_gsigma_hgam_4341, spaxelprop5.emline_gsigma_heii_4687, spaxelprop5.emline_gsigma_hei_5877, spaxelprop5.emline_gsigma_siii_8831, spaxelprop5.emline_gsigma_siii_9071, spaxelprop5.emline_gsigma_siii_9533 |
emline_instsigma |
oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732, oii_3727, oii_3729, heps_3971, hdel_4102, hgam_4341, heii_4687, hei_5877, siii_8831, siii_9071, siii_9533 |
Instrumental dispersion at the fitted line center. |
False |
False |
EMLINE_INSTSIGMA |
spaxelprop5.emline_instsigma_oiid_3728, spaxelprop5.emline_instsigma_hb_4862, spaxelprop5.emline_instsigma_oiii_4960, spaxelprop5.emline_instsigma_oiii_5008, spaxelprop5.emline_instsigma_oi_6302, spaxelprop5.emline_instsigma_oi_6365, spaxelprop5.emline_instsigma_nii_6549, spaxelprop5.emline_instsigma_ha_6564, spaxelprop5.emline_instsigma_nii_6585, spaxelprop5.emline_instsigma_sii_6718, spaxelprop5.emline_instsigma_sii_6732, spaxelprop5.emline_instsigma_oii_3727, spaxelprop5.emline_instsigma_oii_3729, spaxelprop5.emline_instsigma_heps_3971, spaxelprop5.emline_instsigma_hdel_4102, spaxelprop5.emline_instsigma_hgam_4341, spaxelprop5.emline_instsigma_heii_4687, spaxelprop5.emline_instsigma_hei_5877, spaxelprop5.emline_instsigma_siii_8831, spaxelprop5.emline_instsigma_siii_9071, spaxelprop5.emline_instsigma_siii_9533 |
specindex |
d4000, dn4000 |
Measurements of spectral indices. |
True |
True |
SPECINDEX |
spaxelprop5.specindex_d4000, spaxelprop5.specindex_dn4000 |
specindex_corr |
d4000, dn4000 |
Velocity dispersion corrections for the spectral index measurements (can be ignored for D4000, Dn4000). |
False |
False |
SPECINDEX_CORR |
spaxelprop5.specindex_corr_d4000, spaxelprop5.specindex_corr_dn4000 |
Maskbits¶
DRP Maskbits¶
MANGA_DRP3QUAL: Describes the quality of the final cubes and RSS files.
Bit |
Label |
Description |
---|---|---|
0 |
RETIRED |
Bit retired from use |
1 |
BADDEPTH |
IFU does not reach target depth |
2 |
SKYSUBBAD |
Bad sky subtraction in one or more frames |
3 |
HIGHSCAT |
High scattered light in one or more frames |
4 |
BADASTROM |
Bad astrometry in one or more frames |
5 |
VARIABLELSF |
LSF varies signif. between component spectra |
6 |
BADOMEGA |
Omega greater than threshhold in one or more sets |
7 |
BADSET |
One or more sets are bad |
8 |
BADFLUX |
Bad flux calibration |
9 |
BADPSF |
PSF estimate may be bad |
10 |
MANYDEAD |
Many dead fibers |
11 |
RETIRED2 |
Bit retired, moved into MASTAR_QUAL instead |
12 |
BLOWTORCH |
Blowtorch artifact in one or more frames |
13 |
SEVEREBT |
Severe blowtorch artifact |
14 |
UNUSUAL |
Cube slightly unusual in some way but good for most science |
30 |
CRITICAL |
Critical failure in one or more frames |
MANGA_DRP3PIXMASK: Describes whether a given spaxel should be used for science analyses.
Bit |
Label |
Description |
---|---|---|
0 |
NOCOV |
No coverage in cube |
1 |
LOWCOV |
Low coverage depth in cube |
2 |
DEADFIBER |
Major contributing fiber is dead |
3 |
FORESTAR |
Foreground star |
10 |
DONOTUSE |
Do not use this spaxel for science |
DAP Maskbits¶
MANGA_DAPQUAL: Describes the overall quality of the data.
Bit |
Label |
Description |
---|---|---|
0 |
FORESTAR |
There is a foreground star within the data cube |
1 |
BADZ |
NSA redshift does not match derived redshift |
2 |
LINELESS |
No emission lines in data cube |
3 |
PPXFFAIL |
PPXF fails to fit this object |
4 |
SINGLEBIN |
Voronoi binning resulted in all spectra in a single bin |
5 |
BADGEOM |
Invalid input geometry; elliptical coordinates and effective radius are meaningless |
28 |
DRPCRIT |
Critical failure in DRP |
29 |
DAPCRIT |
Critical failure in DAP |
30 |
CRITICAL |
Critical failure in DRP or DAP |
MANGA_DAPPIXMASK: 2d image bitmap used to describe the quality of individual pixel measurements in the DAP MAPS file.
Bit |
Label |
Description |
---|---|---|
0 |
NOCOV |
No coverage in this spaxel |
1 |
LOWCOV |
Low coverage in this spaxel |
2 |
DEADFIBER |
Major contributing fiber is dead |
3 |
FORESTAR |
Foreground star |
4 |
NOVALUE |
Spaxel was not fit because it did not meet selection criteria |
5 |
UNRELIABLE |
Value is deemed unreliable; see TRM for definition |
6 |
MATHERROR |
Mathematical error in computing value |
7 |
FITFAILED |
Attempted fit for property failed |
8 |
NEARBOUND |
Fitted value is too near an imposed boundary; see TRM |
9 |
NOCORRECTION |
Appropriate correction not available |
10 |
MULTICOMP |
Multi-component velocity features present |
30 |
DONOTUSE |
Do not use this spaxel for science |
MANGA_DAPSPECMASK: 3d cube bitmap used to describe the quality of individual spaxel fits in the DAP model data cube file.
Bit |
Label |
Description |
---|---|---|
0 |
IGNORED |
Ignored because of DRP flags or stacking parameters |
1 |
FORESTAR |
There is a foreground star within the data cube |
2 |
FLUXINVALID |
Ignored because (stacked) flux not valid |
3 |
IVARINVALID |
Ignored because inverse variance not valid |
4 |
ARTIFACT |
Contains a designated artifact |
5 |
FITIGNORED |
Ignored during fit |
6 |
FITFAILED |
Fit failed in this region |
7 |
ELIGNORED |
Ignored during emission-line fit |
8 |
ELFAILED |
Emission-line fit failed |
8 |
NOMODEL |
Identifies pixels outside of the fitted spectral range |
Targeting Maskbits¶
MANGA_TARGET1: Targeting bits for all galaxy targets.
Bit |
Label |
Description |
---|---|---|
0 |
NONE |
|
1 |
PRIMARY_PLUS_COM |
March 2014 commissioning |
2 |
SECONDARY_COM |
March 2014 commissioning |
3 |
COLOR_ENHANCED_COM |
March 2014 commissioning |
4 |
PRIMARY_v1_1_0 |
First tag, August 2014 plates |
5 |
SECONDARY_v1_1_0 |
First tag, August 2014 plates |
6 |
COLOR_ENHANCED_v1_1_0 |
First tag, August 2014 plates |
7 |
PRIMARY_COM2 |
July 2014 commissioning |
8 |
SECONDARY_COM2 |
July 2014 commissioning |
9 |
COLOR_ENHANCED_COM2 |
July 2014 commissioning |
10 |
PRIMARY_v1_2_0 |
|
11 |
SECONDARY_v1_2_0 |
|
12 |
COLOR_ENHANCED_v1_2_0 |
|
13 |
FILLER |
Filler targets |
14 |
RETIRED |
Bit retired from use |
MANGA_TARGET2: Targeting bits for all non-galaxy targets.
Bit |
Label |
Description |
---|---|---|
0 |
NONE |
|
1 |
SKY |
|
2 |
STELLIB_SDSS_COM |
Commissioning selection using SDSS photometry |
3 |
STELLIB_2MASS_COM |
Commissioning selection using 2MASS photometry |
4 |
STELLIB_KNOWN_COM |
Commissioning selection of known parameter stars |
5 |
STELLIB_COM_mar2015 |
Commissioning selection in March 2015 |
6 |
STELLIB_COM_jun2015 |
Commissioning selection in June 2015 |
7 |
STELLIB_PS1 |
Library stars using PS1 photometry |
8 |
STELLIB_APASS |
Library stars using APASS photometry |
9 |
STELLIB_PHOTO_COM |
Commissioning selection using photo-derived para |
10 |
STELLIB_aug2015 |
Global Selection since Aug 2015 |
11 |
STELLIB_SDSS |
Library stars using SDSS photometry |
12 |
STELLIB_GAIA |
Library stars using Gaia DR1 photometry, G band only |
13 |
STELLIB_TYCHO2 |
Library stars using TYCHO2 photometry (B and V in place of u and r) |
14 |
STELLIB_BRIGHT |
bright stars observed with short exposures |
15 |
STELLIB_UNRELIABLE |
Library stars with unreliable photometry |
16 |
STELLIB_GAIADR2 |
Library stars using Gaia DR2 photometry, G, BP, RP |
20 |
STD_FSTAR_COM |
|
21 |
STD_WD_COM |
|
22 |
STD_STD_COM |
|
23 |
STD_FSTAR |
|
24 |
STD_WD |
|
25 |
STD_APASS_COM |
Commissioning selection of stds using APASS photometry |
26 |
STD_PS1_COM |
Commissioning selection of stds using PS1 photometry |
27 |
STD_BRIGHT |
standards on bright star plates |
28 |
PSF |
PSF calibration test objects |
MANGA_TARGET3: Targeting bits for ancillary targets.
Bit |
Label |
Description |
---|---|---|
0 |
NONE |
|
1 |
AGN_BAT |
|
2 |
AGN_OIII |
|
3 |
AGN_WISE |
|
4 |
AGN_PALOMAR |
|
5 |
VOID |
|
6 |
EDGE_ON_WINDS |
|
7 |
PAIR_ENLARGE |
|
8 |
PAIR_RECENTER |
|
9 |
PAIR_SIM |
|
10 |
PAIR_2IFU |
|
11 |
LETTERS |
|
12 |
MASSIVE |
|
13 |
MWA |
|
14 |
DWARF |
|
15 |
RADIO_JETS |
|
16 |
DISKMASS |
|
17 |
BCG |
|
18 |
ANGST |
|
19 |
DEEP_COMA |
|
20 |
IC342 |
|
21 |
M31 |
|
22 |
SN_ENV |
|
23 |
MW_ANALOG |
|
24 |
POST-STARBURST |
|
25 |
GLSB |
|
26 |
SN1A_HOST |
|
27 |
GLOBULAR_CLUSTER |