MPL-4

This datamodel corresponds to the MPL-4 (v1_5_1, 1.0.0) 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.

Spectra

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
Datacubes

Name

Description

Unit

Ivar

Mask

FITS

DB

flux

3D rectified cube

1e-17 erg / (Angstrom cm2 s spaxel)

True

True

FLUX

spaxel.flux
Rss

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, 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.

Bintypes

Name

Description

Binned

NONE

No binning.

False

RADIAL

Bin spectra from 0-1 Re and from 1-2 Re in two bins.

True

STON

Bin to S/N=30; only include S/N>5 spectra; fit V, sigma, h3, h4 for stellar kinematics.

True
Templates

Name

Description

M11-STELIB-ZSOL

M11 stellar template, solar metallicity.

MIUSCAT-THIN

MIUSCAT stellar template.

MILES-THIN

MILES stellar template.
Properties

Name

Channels

Description

Ivar

Mask

FITS

DB

emline_gflux

oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732

Fluxes of emission lines based on a single Gaussian fit.

True

True

EMLINE_GFLUX

spaxelprop.emline_gflux_oiid_3728, spaxelprop.emline_gflux_hb_4862, spaxelprop.emline_gflux_oiii_4960, spaxelprop.emline_gflux_oiii_5008, spaxelprop.emline_gflux_oi_6302, spaxelprop.emline_gflux_oi_6365, spaxelprop.emline_gflux_nii_6549, spaxelprop.emline_gflux_ha_6564, spaxelprop.emline_gflux_nii_6585, spaxelprop.emline_gflux_sii_6718, spaxelprop.emline_gflux_sii_6732

emline_gvel

oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732

Doppler velocity shifts for emission lines relative to the NSA redshift based on a single Gaussian fit.

True

True

EMLINE_GVEL

spaxelprop.emline_gvel_oiid_3728, spaxelprop.emline_gvel_hb_4862, spaxelprop.emline_gvel_oiii_4960, spaxelprop.emline_gvel_oiii_5008, spaxelprop.emline_gvel_oi_6302, spaxelprop.emline_gvel_oi_6365, spaxelprop.emline_gvel_nii_6549, spaxelprop.emline_gvel_ha_6564, spaxelprop.emline_gvel_nii_6585, spaxelprop.emline_gvel_sii_6718, spaxelprop.emline_gvel_sii_6732

emline_gsigma

oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732

Velocity dispersions of emission lines based on a single Gaussian fit.

True

True

EMLINE_GSIGMA

spaxelprop.emline_gsigma_oiid_3728, spaxelprop.emline_gsigma_hb_4862, spaxelprop.emline_gsigma_oiii_4960, spaxelprop.emline_gsigma_oiii_5008, spaxelprop.emline_gsigma_oi_6302, spaxelprop.emline_gsigma_oi_6365, spaxelprop.emline_gsigma_nii_6549, spaxelprop.emline_gsigma_ha_6564, spaxelprop.emline_gsigma_nii_6585, spaxelprop.emline_gsigma_sii_6718, spaxelprop.emline_gsigma_sii_6732

emline_instsigma

oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732

Instrumental velocity dispersion at the line centroids for emission lines (based on a single Gaussian fit).

False

False

EMLINE_INSTSIGMA

spaxelprop.emline_instsigma_oiid_3728, spaxelprop.emline_instsigma_hb_4862, spaxelprop.emline_instsigma_oiii_4960, spaxelprop.emline_instsigma_oiii_5008, spaxelprop.emline_instsigma_oi_6302, spaxelprop.emline_instsigma_oi_6365, spaxelprop.emline_instsigma_nii_6549, spaxelprop.emline_instsigma_ha_6564, spaxelprop.emline_instsigma_nii_6585, spaxelprop.emline_instsigma_sii_6718, spaxelprop.emline_instsigma_sii_6732

emline_ew

oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732

Equivalent widths for emission lines based on a single Gaussian fit.

True

True

EMLINE_EW

spaxelprop.emline_ew_oiid_3728, spaxelprop.emline_ew_hb_4862, spaxelprop.emline_ew_oiii_4960, spaxelprop.emline_ew_oiii_5008, spaxelprop.emline_ew_oi_6302, spaxelprop.emline_ew_oi_6365, spaxelprop.emline_ew_nii_6549, spaxelprop.emline_ew_ha_6564, spaxelprop.emline_ew_nii_6585, spaxelprop.emline_ew_sii_6718, spaxelprop.emline_ew_sii_6732

emline_sflux

oiid_3728, hb_4862, oiii_4960, oiii_5008, oi_6302, oi_6365, nii_6549, ha_6564, nii_6585, sii_6718, sii_6732

Fluxes for emission lines based on integrating the flux over a set of passbands.

True

True

EMLINE_SFLUX

spaxelprop.emline_sflux_oiid_3728, spaxelprop.emline_sflux_hb_4862, spaxelprop.emline_sflux_oiii_4960, spaxelprop.emline_sflux_oiii_5008, spaxelprop.emline_sflux_oi_6302, spaxelprop.emline_sflux_oi_6365, spaxelprop.emline_sflux_nii_6549, spaxelprop.emline_sflux_ha_6564, spaxelprop.emline_sflux_nii_6585, spaxelprop.emline_sflux_sii_6718, spaxelprop.emline_sflux_sii_6732

stellar_vel

None

Stellar velocity measurements.

True

True

STELLAR_VEL

spaxelprop.stellar_vel

stellar_sigma

None

Stellar velocity dispersion measurements.

True

True

STELLAR_SIGMA

spaxelprop.stellar_sigma

specindex

d4000, caii0p39, hdeltaa, cn1, cn2, ca4227, hgammaa, fe4668, hb, mgb, fe5270, fe5335, fe5406, nad, tio1, tio2, nai0p82, caii0p86a, caii0p86b, caii0p86c, mgi0p88, tio0p89, feh0p99

Measurements of spectral indices.

True

True

SPECINDEX

spaxelprop.specindex_d4000, spaxelprop.specindex_caii0p39, spaxelprop.specindex_hdeltaa, spaxelprop.specindex_cn1, spaxelprop.specindex_cn2, spaxelprop.specindex_ca4227, spaxelprop.specindex_hgammaa, spaxelprop.specindex_fe4668, spaxelprop.specindex_hb, spaxelprop.specindex_mgb, spaxelprop.specindex_fe5270, spaxelprop.specindex_fe5335, spaxelprop.specindex_fe5406, spaxelprop.specindex_nad, spaxelprop.specindex_tio1, spaxelprop.specindex_tio2, spaxelprop.specindex_nai0p82, spaxelprop.specindex_caii0p86a, spaxelprop.specindex_caii0p86b, spaxelprop.specindex_caii0p86c, spaxelprop.specindex_mgi0p88, spaxelprop.specindex_tio0p89, spaxelprop.specindex_feh0p99

binid

None

ID number for the bin for which the pixel value was calculated; bins are sorted by S/N.

False

False

BINID

spaxelprop.binid

Maskbits

DRP Maskbits

MANGA_DRP3QUAL: Describes the quality of the final cubes and RSS files.

Schema

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.

Schema

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_DAPPIXMASK: 2d image bitmap used to describe the quality of individual pixel measurements in the DAP MAPS file.

Schema

Bit

Label

Description

0

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.

Schema

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.

Schema

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.

Schema

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.

Schema

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