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	J/A+A/35/393		Westerbork Second Deep Survey (Katgert 1974) ReadMe Similar Catalogues
1.	J/A+A/35/393/table4		The catalogue (59 rows)

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Target Name (resolved by Simbad) or Position:

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Target dimension:

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Output preferences for Position:

	r	x,y	Position	Galactic	J2000	B1950	Ecl.J2000	none
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r and x,y are the distance to the Target;
Position is in the same coordinate system as Target.

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Column

Constraint

Explain (UCD)

recno

Record number within the original table (starting from 1) (meta.record) (RECORD)

n_2W

(char)

[+] +: source not in the complete sample (meta.note) (NOTE)

(char)

Source name, 2W HHMM+DDWNA (Note 1) (meta.id;meta.main) (ID_MAIN)

RA1950

"h:m:s"

Right ascension (1950.0) (pos.eq.ra;meta.main) (POS_EQ_RA_MAIN)

e_RAs

rms uncertainty on RA (stat.error) (ERROR)

DE1950

"d:m:s"

Declination (1950.0) (pos.eq.dec;meta.main) (POS_EQ_DEC_MAIN)

e_DEs

arcsec

rms uncertainty on DE (stat.error) (ERROR)

S1415MHz

mJy

1415 MHz flux density (Note 2) (phot.flux.density;em.radio.750-1500MHz) (PHOT_FLUX_RADIO_1.4G)

e_S1415MHz

mJy

rms uncertainty on S1415MHz (stat.error) (ERROR)

aS1415MHz

mJy

Correction for attenuation, due to the 1415 MHz primary beam pattern. (instr.param) (INST_CORR-FACTOR)

aS1415MHz2

mJy

⁽ⁿ⁾ Second correction for attenuation (Note 3) (instr.param) (INST_CORR-FACTOR)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

aS1415MHz3

mJy

⁽ⁿ⁾ Third correction for attenuation (Note 3) (instr.param) (INST_CORR-FACTOR)

aS1415MHz4

mJy

⁽ⁿ⁾ Fourth correction for attenuation (Note 3) (instr.param) (INST_CORR-FACTOR)

S610MHz

mJy

⁽ⁿ⁾ 610 MHz flux density (phot.flux.density;em.radio.400-750MHz) (PHOT_FLUX_RADIO_600M)

e_S610MHz

mJy

⁽ⁿ⁾ rms uncertainty on S610MHz (stat.error) (ERROR)

aS610MHz

mJy

⁽ⁿ⁾ Correction for attenuation due to the 610 MHz primary beam antenna pattern (instr.param) (INST_CORR-FACTOR)

Sp-Index

⁽ⁿ⁾ Spectral index {alpha} from 1415 to 610 MHz (S({nu})~{nu}^-{alpha}) (spect.index) (SPECT_SP-INDEX)

Weight

⁽ⁿ⁾ Weight with which the source enters the spectral index distribution, normalized to a sample size of fifty (stat.weight) (WEIGHT)

Res

(char)

[UR] Information on resolution: U = not noticeably resolved, R = noticeably resolved (pos.angResolution) (INST_ANG_RESOL)

Ext

arcsec

⁽ⁿ⁾ Angular extent of the resolved source (phys.angSize;src) (EXTENSION_DIAM)

deg

⁽ⁿ⁾ Position angle of the resolution, measured from North through East (pos.posAng) (POS_POS-ANG)

n_PA

(char)

[+] +: possible core-halo source (meta.note) (NOTE)

PA2

deg

⁽ⁿ⁾ Second position angle (pos.posAng) (POS_POS-ANG)

Type

(char)

Type of identification (GAL or QSO) (src.class) (CLASS_OBJECT)

u_Type

(char)

[?] Uncertainty flag on Type (meta.code.error) (CODE_ERROR)

Note

(char)

[+] +: identification was obtained from one of the Lick plates (meta.note) (NOTE)

mag

⁽ⁿ⁾ Estimate of the magnitude of the identification (Note 4) (phot.mag) (PHOT_MAG_UNDEF)

Rem

(char)

Remarks (meta.note) (REMARKS)

ALL cols

⁽ⁿ⁾ indicates a possible blank or NULL column

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