Data model: portsmouth_emlinekin

General description: This file contains the plate merged output of the Portsmouth Emission Line Kinematics computation of the BOSS galaxy product, according to the algorithm documentation.

Full Version: of this file available portsmouth_emlinekin_full.

Naming convention: portsmouth_emlinekin-RUN2D.fits

Approximate size: 50 Mbytes.

File type: FITS

Read by products: galaxy/portsmouth_emlinekin

Written by products: galaxy/portsmouth_emlinekin

File Contents:

• HDU 0: NULL - Empty
• HDU 1: fields - Binary FITS Table, Object Emission Line Kinematics

FITS Header Keywords (HDU 1):

• AUTHOR: File Authors
• VERSIDL: Version of IDL
• VERSUTIL: Version of idlutils
• VERS2D: Version of idlspec2d for 2D reduction
• VERS1D: Version of idlspec2d for 1D reduction
• VERSGAL: Version of GALAXY product

HDU 1 Binary FITS Table fields:

• PLATE (LONG): Plate number
• MJD (LONG): Modified Julian date of observation
• FIBERID (LONG): Fiber ID (1 to 1000)
• RA (DOUBLE): Object RA (Plug_RA drilled fiber position) [J2000 degrees]
• Dec (DOUBLE): Object Dec (Plug_Dec drilled fiber position) [J2000 degrees]
• z (FLOAT): Redshift (best pipeline galaxy z_noqso with zwarning_noqso=0)
• z_err (FLOAT): Redshift error (z_err_noqso) based upon fit to chi^2 minimum
• znum (LONG): the znum-th best-fit corresponding to z_noqso (optional input to readspec)
• Vel_stars (FLOAT): Stellar velocity
• Redshift (FLOAT): GANDALF-corrected redshift
• Sigma_Stars (FLOAT): Stellar velocity dispersion
• Sigma_Stars_err (FLOAT): Error on measurement of stellar velocity dispersion
• Chisq (FLOAT): Chi Squared measurement of bestfit template
• BOSS_TARGET1 (LONG64): See BOSS_TARGET
• ANCILLARY_TARGET1 (LONG64): See ANCILLARY_TARGET
• ANCILLARY_TARGET2 (LONG64): See ANCILLARY_TARGET
• SPECPRIMARY (BYTE): Objects observed multiple times will have this set to 1 for one observation only. This is usually the 'best'.
• SPECOBJID (LONG64): CAS-style spectroscopic object identifier.