Bootes radio-optical cross-match catalogue description
Column Descriptors
Radio
| Column | Units | Description |
|---|---|---|
Source_Name |
The radio name of the source, automatically generated from RA and DEC | |
RA |
deg | Position from PyBDSF or combination of PyBDSF components |
E_RA |
deg | Estimated by PyBDSF. Only fitting uncertainties are included |
DEC |
deg | Position from PyBDSF or combination of PyBDSF components |
E_DEC |
deg | Estimated by PyBDSF. Only fitting uncertainties are included |
Peak_flux |
Jy/bm | The peak Stokes I flux density per beam of the source |
E_Peak_flux |
Jy/bm | The 1-sigma error on the peak flux density per beam of the source |
Total_flux |
Jy | The total, integrated Stokes I flux density of the source at the reference frequency |
E_Total_flux |
Jy | The 1-sigma on the total flux density of the source |
Maj |
degree | The FWHM of the major axis of the source, INCLUDING convolution with the 6-arcsec LOFAR beam |
E_Maj |
degree | The 1-sigma error on the FWHM of the major axis of the source |
Min |
degree | The FWHM of the minor axis of the source, INCLUDING convolution with the 6-arcsec LOFAR beam |
E_Min |
degree | The 1-sigma error on the FWHM of the minor axis of the source |
PA |
deg | The position angle of the major axis of the source measured east of north, INCLUDING convolution with the 6-arcsec LOFAR beam |
E_PA |
deg | The 1-sigma error on the position angle of the major axis of the source |
DC_Maj |
degree | The FWHM of the major axis of the source, after de-convolution with the 6-arcsec LOFAR beam |
DC_Min |
degree | The FWHM of the minor axis of the source, after de-convolution with the 6-arcsec LOFAR beam |
DC_PA |
deg | The position angle of the major axis of the source measured east of north, after de-convolution with the 6-arcsec LOFAR beam |
Isl_rms |
Jy/beam | The average background rms value of the island |
S_Code |
A code that defines the source structure 'S' for single Gaussian, 'M' for multiple Gaussian, 'Z' for compound |
Optical-ID
| Column | Units | Description |
|---|---|---|
FLAG_WORKFLOW |
Flag indicating the output of flowchart for initial PyBDSF sources (see README.txt flag description) | |
Prefilter |
Flag indicating the pre-filter workflow outcome (if any, see flag description below) | |
NoID |
Flag indicating the reason for lack of ID (see flag description below) | |
lr_fin |
LR value (if present) of the cross-match. Note that a source with a LR value may have been finally classified by visual inspection | |
optRA |
deg | RA of optical identification, if any |
optDec |
deg | DEC of optical identification, if any |
LGZ_Size |
arcsec | For compound sources, size as defined by Williams+ 19 |
LGZ_Width |
arcsec | For compound sources, width as defined by Williams+ 19 |
LGZ_PA |
deg | Position angle for compound sources |
Assoc |
Number of associated components for compound sources | |
Assoc_Qual |
Quality measure of the association, 0 -- 1 | |
Art_prob |
Artefact probability from LGZ | |
Blend_prob |
Blend probability from LGZ | |
Hostbroken_prob |
'Host broken up' probability from LGZ | |
Imagemissing_prob |
'Image missing' probability from LGZ | |
Zoom_prob |
'Too zoomed in' probability from LGZ | |
Created |
Description of how the source was created | |
Position_from |
'Visual inspection' if the source position comes from inspection, else 'LR' | |
Renamed_from |
The name of this source in input catalogues (internal use only) | |
FLAG_OVERLAP_RADIO |
Bit flag indicating the multi-wavelength coverage region of the radio source position (RA, Dec) (see README.txt for flag description) | |
flag_clean_radio |
3-valued flag indicating bright star masking at the radio source position (see README.txt for flag description) |
Optical/IR Photometry of optical identification
| Column | Units | Description |
|---|---|---|
ID |
Unique object identifier for multi-wavelength catalogue in this field | |
ALPHA_J2000 |
deg | Right ascension of multi-wavelength counterpart (J2000) |
DELTA_J2000 |
deg | Declination of multi-wavelength counterpart (J2000) |
FLAG_DEEP |
Manual masking and duplicate source flag from Brown et al. I-band catalog (Reliable sources: FLAG_DEEP != 0) | |
flag_clean |
3-valued flag indicating bright star masking at the optical source position (see README.txt for flag description) | |
ID_OPTICAL |
Identifier for the optical-NIR detected chi2 catalogue (internal use only) | |
ID_SPITZER |
Identifier for the Spitzer detected chi2 catalogue (internal use only) | |
FLAG_OVERLAP |
Bit flag indicating the multi-wavelength coverage region of the optical source position (ALPHAJ2000, DELTAJ2000) (see README.txt for flag description) | |
FUV_flux_corr |
microJy | Recommended GALEX FUV-band flux (aperture and extinction corrected from 3'' aperture) |
FUV_fluxerr_corr |
microJy | Recommended GALEX FUV-band flux error (aperture and extinction corrected from 3'' aperture) |
FUV_mag_corr |
mag | Recommended GALEX FUV-band magnitude (aperture and extinction corrected from 3'' aperture) |
FUV_magerr_corr |
mag | Recommended GALEX FUV-band magnitude error (aperture and extinction corrected from 3'' aperture) |
NUV_flux_corr |
microJy | Recommended GALEX NUV-band flux (aperture and extinction corrected from 3'' aperture) |
NUV_fluxerr_corr |
microJy | Recommended GALEX NUV-band flux error (aperture and extinction corrected from 3'' aperture) |
NUV_mag_corr |
mag | Recommended GALEX NUV-band magnitude (aperture and extinction corrected from 3'' aperture) |
NUV_magerr_corr |
mag | Recommended GALEX NUV-band magnitude error (aperture and extinction corrected from 3'' aperture) |
u_flux_corr |
microJy | Recommended u-band flux (aperture and extinction corrected from 3'' aperture) |
u_fluxerr_corr |
microJy | Recommended u-band flux error (aperture and extinction corrected from 3'' aperture) |
u_mag_corr |
mag | Recommended u-band magnitude (aperture and extinction corrected from 3'' aperture) |
u_magerr_corr |
mag | Recommended u-band magnitude error (aperture and extinction corrected from 3'' aperture) |
Bw_flux_corr |
microJy | Recommended NDWFS Bw-band flux (aperture and extinction corrected from 3'' aperture) |
Bw_fluxerr_corr |
microJy | Recommended NDWFS Bw-band flux error (aperture and extinction corrected from 3'' aperture) |
Bw_mag_corr |
mag | Recommended NDWFS Bw-band magnitude (aperture and extinction corrected from 3'' aperture) |
Bw_magerr_corr |
mag | Recommended NDWFS Bw-band magnitude error (aperture and extinction corrected from 3'' aperture) |
R_flux_corr |
microJy | Recommended NDWFS R-band flux (aperture and extinction corrected from 3'' aperture) |
R_fluxerr_corr |
microJy | Recommended NDWFS R-band flux error (aperture and extinction corrected from 3'' aperture) |
R_mag_corr |
mag | Recommended NDWFS R-band magnitude (aperture and extinction corrected from 3'' aperture) |
R_magerr_corr |
mag | Recommended NDWFS R-band magnitude error (aperture and extinction corrected from 3'' aperture) |
I_flux_corr |
microJy | Recommended NDWFS I-band flux (aperture and extinction corrected from 3'' aperture) |
I_fluxerr_corr |
microJy | Recommended NDWFS I-band flux error (aperture and extinction corrected from 3'' aperture) |
I_mag_corr |
mag | Recommended NDWFS I-band magnitude (aperture and extinction corrected from 3'' aperture) |
I_magerr_corr |
mag | Recommended NDWFS I-band magnitude error (aperture and extinction corrected from 3'' aperture) |
z_flux_corr |
microJy | Recommended z-band flux (aperture and extinction corrected from 3'' aperture) |
z_fluxerr_corr |
microJy | Recommended z-band flux error (aperture and extinction corrected from 3'' aperture) |
z_mag_corr |
mag | Recommended z-band magnitude (aperture and extinction corrected from 3'' aperture) |
z_magerr_corr |
mag | Recommended z-band magnitude error (aperture and extinction corrected from 3'' aperture) |
z_Subaru_flux_corr |
microJy | Recommended z_Subaru-band flux (aperture and extinction corrected from 3'' aperture) |
z_Subaru_fluxerr_corr |
microJy | Recommended z_Subaru-band flux error (aperture and extinction corrected from 3'' aperture) |
z_Subaru_mag_corr |
mag | Recommended z_Subaru-band magnitude (aperture and extinction corrected from 3'' aperture) |
z_Subaru_magerr_corr |
mag | Recommended z_Subaru-band magnitude error (aperture and extinction corrected from 3'' aperture) |
y_flux_corr |
microJy | Recommended y-band flux (aperture and extinction corrected from 3'' aperture) |
y_fluxerr_corr |
microJy | Recommended y-band flux error (aperture and extinction corrected from 3'' aperture) |
y_mag_corr |
mag | Recommended y-band magnitude (aperture and extinction corrected from 3'' aperture) |
y_magerr_corr |
mag | Recommended y-band magnitude error (aperture and extinction corrected from 3'' aperture) |
J_flux_corr |
microJy | Recommended NEWFIRM J-band flux (aperture and extinction corrected from 3'' aperture) |
J_fluxerr_corr |
microJy | Recommended NEWFIRM J-band flux error (aperture and extinction corrected from 3'' aperture) |
J_mag_corr |
mag | Recommended NEWFIRM J-band magnitude (aperture and extinction corrected from 3'' aperture) |
J_magerr_corr |
mag | Recommended NEWFIRM J-band magnitude error (aperture and extinction corrected from 3'' aperture) |
H_flux_corr |
microJy | Recommended NEWFIRM H-band flux (aperture and extinction corrected from 3'' aperture) |
H_fluxerr_corr |
microJy | Recommended NEWFIRM H-band flux error (aperture and extinction corrected from 3'' aperture) |
H_mag_corr |
mag | Recommended NEWFIRM H-band magnitude (aperture and extinction corrected from 3'' aperture) |
H_magerr_corr |
mag | Recommended NEWFIRM H-band magnitude error (aperture and extinction corrected from 3'' aperture) |
K_flux_corr |
microJy | Recommended K-band flux (aperture and extinction corrected from 3'' aperture) |
K_fluxerr_corr |
microJy | Recommended K-band flux error (aperture and extinction corrected from 3'' aperture) |
K_mag_corr |
mag | Recommended K-band magnitude (aperture and extinction corrected from 3'' aperture) |
K_magerr_corr |
mag | Recommended K-band magnitude error (aperture and extinction corrected from 3'' aperture) |
Ks_flux_corr |
microJy | Recommended NEWFIRM Ks-band flux (aperture and extinction corrected from 3'' aperture) |
Ks_fluxerr_corr |
microJy | Recommended NEWFIRM Ks-band flux error (aperture and extinction corrected from 3'' aperture) |
Ks_mag_corr |
mag | Recommended NEWFIRM Ks-band magnitude (aperture and extinction corrected from 3'' aperture) |
Ks_magerr_corr |
mag | Recommended NEWFIRM Ks-band magnitude error (aperture and extinction corrected from 3'' aperture) |
ch1_flux_corr |
microJy | Recommended SDWFS Spitzer ch1 flux (aperture and extinction corrected from 4'' aperture) |
ch1_fluxerr_corr |
microJy | Recommended SDWFS Spitzer ch1 flux error (aperture and extinction corrected from 4'' aperture) |
ch1_mag_corr |
mag | Recommended SDWFS Spitzer ch1 magnitude (aperture and extinction corrected from 4'' aperture) |
ch1_magerr_corr |
mag | Recommended SDWFS Spitzer ch1 magnitude error (aperture and extinction corrected from 4'' aperture) |
ch2_flux_corr |
microJy | Recommended SDWFS Spitzer ch2 flux (aperture and extinction corrected from 4'' aperture) |
ch2_fluxerr_corr |
microJy | Recommended SDWFS Spitzer ch2 flux error (aperture and extinction corrected from 4'' aperture) |
ch2_mag_corr |
mag | Recommended SDWFS Spitzer ch2 magnitude (aperture and extinction corrected from 4'' aperture) |
ch2_magerr_corr |
mag | Recommended SDWFS Spitzer ch2 magnitude error (aperture and extinction corrected from 4'' aperture) |
ch3_flux_corr |
microJy | Recommended SDWFS Spitzer ch3 flux (aperture and extinction corrected from 4'' aperture) |
ch3_fluxerr_corr |
microJy | Recommended SDWFS Spitzer ch3 flux error (aperture and extinction corrected from 4'' aperture) |
ch3_mag_corr |
mag | Recommended SDWFS Spitzer ch3 magnitude (aperture and extinction corrected from 4'' aperture) |
ch3_magerr_corr |
mag | Recommended SDWFS Spitzer ch3 magnitude error (aperture and extinction corrected from 4'' aperture) |
ch4_flux_corr |
microJy | Recommended SDWFS Spitzer ch4 flux (aperture and extinction corrected from 4'' aperture) |
ch4_fluxerr_corr |
microJy | Recommended SDWFS Spitzer ch4 flux error (aperture and extinction corrected from 4'' aperture) |
ch4_mag_corr |
mag | Recommended SDWFS Spitzer ch4 magnitude (aperture and extinction corrected from 4'' aperture) |
ch4_magerr_corr |
mag | Recommended SDWFS Spitzer ch4 magnitude error (aperture and extinction corrected from 4'' aperture) |
Separation |
arcsec | Separation between position in optical catalogue and the optical ID of the radio source |
EBV |
E(B-V) galactic extinction for the source based on its position (ALPHA_J2000, DELTA_J2000) and Schlegel, Finkbeiner & Davis (1998) extinction map |
Photo-z and Other Value Added Parameters
| Column | Units | Description |
|---|---|---|
help_id |
HELP ID of matched far-IR prior list source | |
RA_HELP |
deg | Right ascension of help_id source in HELP catalog |
DEC_HELP |
deg | Declination of help_id source in HELP catalog |
CLASS_STAR |
SExtractor star/galaxy classifier | |
F_MIPS_24 |
microJy | Flux density at 24 microm (Median) |
FErr_MIPS_24_u |
microJy | Flux density at 24 microm (84th Percentile) |
FErr_MIPS_24_l |
microJy | Flux density at 250 microm (16th Percentile) |
Bkg_MIPS_24 |
MJy/Sr | Fitted Background of 23 microm map (Median) |
Sig_conf_MIPS_24 |
MJy/Sr | fixed at 0 |
Rhat_MIPS_24 |
Convergence Statistic (ideally <1.2) | |
n_eff_MIPS_24 |
Number of effective samples (ideally >40) | |
Pval_res_24 |
Local Goodness of fit measure: 0=good, 1=bad | |
flag_mips_24 |
combined flag, 0=good, 1=bad | |
F_PACS_100 |
mJy | Flux density at 100 microm (Median) |
FErr_PACS_100_u |
mJy | Flux density at 100 microm (84th Percentile) |
FErr_PACS_100_l |
mJy | Flux density at 100 microm (16th Percentile) |
F_PACS_160 |
mJy | Flux density at 160 microm (Median) |
FErr_PACS_160_u |
mJy | Flux density at 160 microm (84th Percentile) |
FErr_PACS_160_l |
mJy | Flux density at 160 microm (16th Percentile) |
Bkg_PACS_100 |
mJy/Beam | Fitted Background of 100 microm map (Median) |
Bkg_PACS_160 |
mJy/Beam | Fitted Background of 160 microm map (Median) |
Sig_conf_PACS_100 |
mJy/Beam | Fitted residual noise component due to confusion (Median) |
Sig_conf_PACS_160 |
mJy/Beam | Fitted residual noise component due to confusion (Median) |
Rhat_PACS_100 |
Convergence Statistic (ideally <1.2) | |
Rhat_PACS_160 |
Convergence Statistic (ideally <1.2) | |
n_eff_PACS_100 |
Number of effective samples (ideally >40) | |
n_eff_PACS_160 |
Number of effective samples (ideally >40) | |
Pval_res_100 |
Local Goodness of fit measure: 0=good, 1=bad | |
Pval_res_160 |
Local Goodness of fit measure: 0=good, 1=bad | |
flag_PACS_100 |
combined flag, 0=good, 1=bad | |
flag_PACS_160 |
combined flag, 0=good, 1=bad | |
F_SPIRE_250 |
mJy | Flux density at 250 microm (Median) |
FErr_SPIRE_250_u |
mJy | Flux density at 250 microm (84th Percentile) |
FErr_SPIRE_250_l |
mJy | Flux density at 250 microm (16th Percentile) |
F_SPIRE_350 |
mJy | Flux density at 350 microm (Median) |
FErr_SPIRE_350_u |
mJy | Flux density at 350 microm (84th Percentile) |
FErr_SPIRE_350_l |
mJy | Flux density at 350 microm (16th Percentile) |
F_SPIRE_500 |
mJy | Flux density at 500 microm (Median) |
FErr_SPIRE_500_u |
mJy | Flux density at 500 microm (84th Percentile) |
FErr_SPIRE_500_l |
mJy | Flux density at 500 microm (16th Percentile) |
Bkg_SPIRE_250 |
mJy/Beam | Fitted Background of 250 microm map (Median) |
Bkg_SPIRE_350 |
mJy/Beam | Fitted Background of 350 microm map (Median) |
Bkg_SPIRE_500 |
mJy/Beam | Fitted Background of 500 microm map (Median) |
Sig_conf_SPIRE_250 |
mJy/Beam | Fitted residual noise component due to confusion (Median) |
Sig_conf_SPIRE_350 |
mJy/Beam | Fitted residual noise component due to confusion (Median) |
Sig_conf_SPIRE_500 |
mJy/Beam | Fitted residual noise component due to confusion (Median) |
Rhat_SPIRE_250 |
Convergence Statistic (ideally <1.2) | |
Rhat_SPIRE_350 |
Convergence Statistic (ideally <1.2) | |
Rhat_SPIRE_500 |
Convergence Statistic (ideally <1.2) | |
n_eff_SPIRE_250 |
Number of effective samples (ideally >40) | |
n_eff_SPIRE_350 |
Number of effective samples (ideally >40) | |
n_eff_SPIRE_500 |
Number of effective samples (ideally >40) | |
Pval_res_250 |
Local Goodness of fit measure: 0=good, 1=bad | |
Pval_res_350 |
Local Goodness of fit measure: 0=good, 1=bad | |
Pval_res_500 |
Local Goodness of fit measure: 0=good, 1=bad | |
flag_spire_250 |
combined flag, 0=good, 1=bad | |
flag_spire_350 |
combined flag, 0=good, 1=bad | |
flag_spire_500 |
combined flag, 0=good, 1=bad | |
XID+_rerun_mips |
Flag for sources whose MIPS fluxes have been rerun with XID+ (True = rerun) | |
XID+_rerun_pacs |
Flag for sources whose PACS fluxes have been rerun with XID+ (True = rerun) | |
XID+_rerun_spire |
Flag for sources whose SPIRE fluxes have been rerun with XID+ (True = rerun) | |
Z_BEST |
Best available redshift estimate | |
Z_BEST_SOURCE |
Source of z_best, 0 = photometric, 1 = spectroscopic | |
Z_SPEC |
Literature Spectroscopic Redshift | |
Z_SOURCE |
Source of the spectroscopic redshift | |
Z_QUAL |
Spectroscopic redshift quality: flag Q = 3 means probable, Q >= 4 means reliable | |
RA_ZSPEC |
deg | Right ascension of spectroscopic redshift match (J2000) |
DEC_ZSPEC |
deg | Declination of spectroscopic redshift match (J2000) |
REL |
Expected reliability of the spectroscopic redshift (where available) | |
OBJID |
Spectroscopic match Object ID (where name depends on Z_SOURCE) | |
AGN_ZSPEC |
Spectroscopic AGN/QSO flag where provided | |
z1_median |
Median of the primary redshift peak above 80% HPD CI | |
z1_min |
Lower bound of the primary 80% HPD CI peak | |
z1_max |
Upper bound of the primary 80% HPD CI peak | |
z1_area |
Integrated area of the primary 80% HPD CI peak | |
z2_median |
Median of the secondary redshift peak (if present) above 80% HPD CI | |
z2_min |
Lower bound of the secondary 80% HPD CI peak | |
z2_max |
Upper bound of the secondary 80% HPD CI peak | |
z2_area |
Integrated area of the secondary 80% HPD CI peak | |
nfilt_eazy |
Number of filters included in EAZY template fit | |
nfilt_atlas |
Number of filters included in Atlas+AGN template fit | |
nfilt_ananna |
Number of filters included in Ananna et al. template fit | |
chi_r_best |
Chi^2 / nfilt for best-fit galaxy/AGN template (any library) | |
chi_r_stellar |
Chi^2 / nfilt for best-fit stellar template | |
stellar_type |
Stellar type of best-fit stellar template | |
AGN |
Sources flagged by any one of optAGN/IRAGN/XrayAGN | |
optAGN |
Source is included in Million Quasar Catalog compilation or spectroscopically identified AGN | |
IRAGN |
Source satisfies Donley et al. (2012) IR AGN criteria | |
XrayAGN |
Source has X-ray counterpart | |
XrayFlux_0.5-2 |
10^-14 ergs cm-2 s-1 | XBootes Soft X-ray Flux |
XrayHardness |
XBootes X-ray Hardness Ratio | |
ap_to_model_z_Subaru |
Estimated z-band total flux correction from Legacy Surveys model flux (z_Subaru) | |
ap_to_model_err_z_Subaru |
Statistical uncertainty on tot_z_Subaru |
|
ap_to_model_z |
Estimated z-band total flux correction from Legacy Surveys model flux (z) | |
ap_to_model_err_z |
Statistical uncertainty on tot_z |
|
zmodel |
Model grid redshift used in stellar mass fit | |
chi_best |
Minimum Chi^2 in stellar mass fit (for Z_BEST) | |
Mass_median |
log10(M_sol) | 50th percentile of the marginalised stellar mass posterior (for Z_BEST) |
Mass_l68 |
log10(M_sol) | 16th percentile of the marginalised stellar mass posterior (for Z_BEST) |
Mass_u68 |
log10(M_sol) | 84th percentile of the marginalised stellar mass posterior (for Z_BEST) |
Nfilts |
Number of bands included in stellar mass fit | |
u_rest |
mag | Rest-frame u-band magnitude for best-fit SED (for Z_BEST) |
Bw_rest |
mag | Rest-frame Bw-band magnitude for best-fit SED (for Z_BEST) |
R_rest |
mag | Rest-frame R-band magnitude for best-fit SED (for Z_BEST) |
I_rest |
mag | Rest-frame I-band magnitude for best-fit SED (for Z_BEST) |
z_rest |
mag | Rest-frame z-band magnitude for best-fit SED (for Z_BEST) |
z_Subaru_rest |
mag | Rest-frame zSubaru-band magnitude for best-fit SED (for ZBEST) |
y_rest |
mag | Rest-frame y-band magnitude for best-fit SED (for Z_BEST) |
J_rest |
mag | Rest-frame J-band magnitude for best-fit SED (for Z_BEST) |
H_rest |
mag | Rest-frame H-band magnitude for best-fit SED (for Z_BEST) |
K_rest |
mag | Rest-frame K-band magnitude for best-fit SED (for Z_BEST) |
Ks_rest |
mag | Rest-frame Ks-band magnitude for best-fit SED (for Z_BEST) |
ch1_rest |
mag | Rest-frame IRAC 3.6microm magnitude for best-fit SED (for Z_BEST) |
ch2_rest |
mag | Rest-frame IRAC 4.5microm magnitude for best-fit SED (for Z_BEST) |
ch3_rest |
mag | Rest-frame IRAC 5.8microm magnitude for best-fit SED (for Z_BEST) |
ch4_rest |
mag | Rest-frame IRAC 8.0microm magnitude for best-fit SED (for Z_BEST) |
Description of visual inspection flags
Prefilter
* 0 - Source not sent to pre-filter workflow
* 1 - Send to LGZ
* 2 - Best candidate ID selected by LR is correct
* 3 - No good match
* 4 - Too zoomed in (sent to TZI workflow)
* 6 - host galaxy detection missing in optical/IR catalogue (below optical/IR catalogue limit)
* 7 - Blend (sent to deblend workflow)
NoID
* 0 - Source has an ID
* 1 - Radio source possition accurate, no ID
* 2 - radio position accurate, possible faint ID below optical/IR catalogue limit (so no ID)
* 3 - extended (radio position may be inaccurate), so no ID
* 4 - radio position lies under another unassociated object (so no ID)
* 5 - extended source, one or more potential IDs, but none unambiguous (so no ID)
* 6 - artefact
* 7 - blend (more Gaussians that potential host IDs?)
* 8 - possible or likely issue with source association
* 9 - possible optical ID