VizieR

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J/ApJS/255/30/subtile

VLASS QL Ep.1 Catalog, CIRADA version (Gordon+, 2021)

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Subtile metadata (35285 rows)

recno=13587

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*Column*	*Value*		*Explain (UCD)*
_RAJ2000	11 04 48.8945709	"h:m:s"	Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA)
_DEJ2000	+14 39 34.459341	"d:m:s"	Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC)
_RAB1950	11 02 11.1140525	"h:m:s"	Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra) (POS_EQ_RA)
_DEB1950	+14 55 54.596053	"d:m:s"	Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec) (POS_EQ_DEC)
_Glon	234.2091794928	deg	Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon) (POS_GAL_LON)
_Glat	+62.2396823957	deg	Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat) (POS_GAL_LAT)
13587recno	13587		Record number assigned by the VizieR team. Should Not be used for identification. (meta.record) (RECORD)

Subtile	J091519+243000		Name of the Quick Look image, JHHMMSS+DDMMSS (Subtile) (obs.field) (ID_FIELD)
Imagever	1		[1/5] Version of the image produced by NRAO (Image_version) (meta.software) (ID_VERSION)
Tile	T17t13		The VLASS tile that this subtile is taken from (Tile) (Note 1) (obs.field) (ID_FIELD)
Epoch	1.2		The epoch and sub-epoch of VLASS this Subtile is taken from (Epoch) (time.epoch) (TIME_EPOCH)
Bmaj	0.0007	deg	Major axis of the VLASS beam in this subtile (BMAJ) (phys.angSize;instr.beam) (EXTENSION_RAD)
Bmin	0.0006	deg	Minor axis of the VLASS beam in this subtile (BMIN) (phys.angSize;instr.beam) (EXTENSION_MIN)
BPA	-58.9700	deg	[-90/90] Position angle of the VLASS beam in this subtile (BPA) (pos.posAng;instr.beam) (POS_POS-ANG)
LatPole	24.5		Latitude of pole in coordinate system (LATPOLE) (pos.ecliptic.lat) (POS_EC_LAT)
LonPole	180.0		Longitude of pole in coordinate system (LONPOLE) (pos.ecliptic.lon) (POS_EC_LON)
Crval1	138.831	deg	Reference pixel Right Ascension (CRVAL1) (instr.fov;instr.pixel) (INST_DET_SIZE)
Crval2	24.500	deg	Reference pixel Declination (CRVAL2) (instr.fov;instr.pixel) (INST_DET_SIZE)
Obs	2019-04-16T23:59:11	s	⁽ⁱ⁾ Date and time of observation (DATE-OBS) (time.epoch;obs) (TIME_DATE)
RAObs	138.83122500	deg	⁽ⁱ⁾ Observation Right Ascension, at epoch Obs.date (OBSRA) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)
DEObs	+24.50000000	deg	⁽ⁱ⁾ Observation Declination, at epoch Obs.date (OBSDEC) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)
Field	11822		NRAO name of VLASS field (FIELD) (meta.id;obs.field) (ID_FIELD)
DateImg	2019-05-04T00:32:52.850000		Date that the image file was produced (DATE) (Note 2) (time.epoch) (TIME_DATE)
Origin	"CASA 5.4.1-32"		Software (CASA) and version used to produce the image file (ORIGIN) (meta.software) (ID_VERSION)
MeanIslrms	0.1332	mJy/beam	Mean Isl_rms of components in this subtile (Mean_islrms) (stat.error) (ERROR)
SDIslrms	0.0061	mJy/beam	Standard deviation of the Isl_rms of components in this subtile (SD_islrms) (stat.error) (ERROR)
Fp25	0.9266	mJy/beam	25th percentile of the Peak_flux distribution for components in this subtile (Peak_fluxp25) (phot.flux.density;em.radio.1500-3000MHz) (PHOT_FLUX_RADIO_2.7G)
Fp50	1.6049	mJy/beam	50th percentile of the Peak_flux distribution for components in this subtile (Peak_fluxp50) (phot.flux.density;em.radio.1500-3000MHz) (PHOT_FLUX_RADIO_2.7G)
Fp75	4.3423	mJy/beam	75th percentile of the Peak_flux distribution for components in this subtile (Peak_fluxp75) (phot.flux.density;em.radio.1500-3000MHz) (PHOT_FLUX_RADIO_2.7G)
Fpmax	25.3786	mJy/beam	Peak flux of the brightest component in this subtile (Peak_fluxmax) (phot.flux.density;em.radio.1500-3000MHz) (PHOT_FLUX_RADIO_2.7G)
Ncomp	58		[11/219] Number of fitted components in this subtile (N_components) (meta.number) (NUMBER)
NemptyIsl	57		[10/218] Number of empty flux islands detected in this subtile (N_emptyislands) (Note 3) (meta.number) (NUMBER)
Subtileurl	https://archive-new.nrao.edu/vlass/quicklook/VLASS1.2/T17t13/VLASS1.2.ql.T17t13.J091519+243000.10.2048.v1/VLASS1.2.ql.T17t13.J091519+243000.10.2048.v1.I.iter1.image.pbcor.tt0.subim.fits		Link to the Subtile image file (Subtile_url) (meta.ref.url) (DATA_LINK)

_RA.icrs	166.20372738	deg	⁽ⁱ⁾ Right Ascension (ICRS, epoch 2000) computed by CDS (pos.eq.ra) (POS_EQ_RA_OTHER)
_DE.icrs	+14.65957204	deg	⁽ⁱ⁾ Declination (ICRS, epoch 2000) computed by CDS (pos.eq.dec) (POS_EQ_DEC_OTHER)

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