1 |
name |
Position-based source name. Not a unique identifier. |
STRING |
27 |
meta.id |
|
2 |
RAJ2000 |
Right Ascension in decimal degrees (J2000). |
DOUBLE |
1 |
pos.eq.ra;meta.main |
deg |
3 |
DEJ2000 |
Declination in decimal degrees (J2000). |
DOUBLE |
1 |
pos.eq.dec;meta.main |
deg |
4 |
sourceID |
Unique VPHAS source identifier in the format field-extension-number. |
STRING |
14 |
meta.id;meta.main |
|
5 |
primaryID |
sourceID of the preferred catalogue entry for this source. |
STRING |
14 |
meta.id.parent |
|
6 |
primary_source |
Flag =1 if the entry is the preferred observation of a unique source |
INT8 |
1 |
meta.code |
|
7 |
nObs |
Number of observations of this source in the survey. |
INT8 |
1 |
meta.number |
|
8 |
clean |
=1 if clean_g, clean_r2, clean_ha, clean_r and clean_i are true. |
INT8 |
1 |
meta.code.qual |
|
9 |
u_g |
(u - g) colour index, formed by subtracting columns u and g. |
FLOAT |
1 |
phot.color;em.opt.U;em.opt.B |
mag |
10 |
g_r2 |
(g - r2) colour index, formed by subtracting columns g and r2. |
FLOAT |
1 |
phot.color;em.opt.B;em.opt.R |
mag |
11 |
r_i |
(r - i) colour index, formed by subtracting columns r and i. |
FLOAT |
1 |
phot.color;em.opt.R;em.opt.I |
mag |
12 |
r_ha |
(r - Halpha) colour index, formed by subtracting columns r and ha. |
FLOAT |
1 |
phot.color;em.opt.R;em.line.Halpha |
mag |
13 |
clean_u |
=1 if the u-band detection is significant and the PSF fit good. |
INT8 |
1 |
meta.code.qual;em.opt.U |
|
14 |
u |
Default u-band VEGA magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.U;meta.main |
mag |
15 |
u_AB |
Default u-band AB magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.U |
mag |
16 |
err_u |
Statistical uncertainty for u. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.U |
mag |
17 |
chi_u |
Goodness of the PSF fit in u, as determined by DAOPHOT ALLSTAR. |
FLOAT |
1 |
stat.fit.chi2;em.opt.U |
|
18 |
warning_u |
Flags problems encountered while fitting the PSF, if any. |
STRING |
12 |
meta.code.qual;em.opt.U |
|
19 |
aperMag_u |
u-band VEGA magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.U |
mag |
20 |
aperMag_u_AB |
u-band AB magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.U |
mag |
21 |
aperMagErr_u |
Statistical uncertainty for aperMag_u. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.U |
mag |
22 |
snr_u |
Ratio of the signal in the aperture relative to the background. |
FLOAT |
1 |
stat.snr;em.opt.U |
|
23 |
magLim_u |
The Vega magnitude a SNR=3 source would have at this position. |
FLOAT |
1 |
stat.max;phot.mag;em.opt.U |
mag |
24 |
psffwhm_u |
Typical PSF FWHM in the CCD frame. |
FLOAT |
1 |
instr.det.psf;stat.mean;em.opt.U |
arcsec |
25 |
mjd_u |
Modified Julian Date at the start of the u-band exposure. |
DOUBLE |
1 |
time.epoch;em.opt.U |
days |
26 |
detectionID_u |
Detection identifier: night-#exposure-#extension-#number. |
STRING |
23 |
meta.id;em.opt.U |
|
27 |
clean_g |
=1 if the g-band detection is significant and the PSF fit good. |
INT8 |
1 |
meta.code.qual;em.opt.B |
|
28 |
g |
Default g-band VEGA magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.B;meta.main |
mag |
29 |
g_AB |
Default g-band AB magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.B |
mag |
30 |
err_g |
Statistical uncertainty for g. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.B |
mag |
31 |
chi_g |
Goodness of the PSF fit in g, as determined by DAOPHOT ALLSTAR. |
FLOAT |
1 |
stat.fit.chi2;em.opt.B |
|
32 |
warning_g |
Flags problems encountered while fitting the PSF, if any. |
STRING |
12 |
meta.code.qual;em.opt.B |
|
33 |
aperMag_g |
g-band VEGA magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.B |
mag |
34 |
aperMag_g_AB |
g-band AB magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.B |
mag |
35 |
aperMagErr_g |
Statistical uncertainty for aperMag_g. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.B |
mag |
36 |
snr_g |
Ratio of the signal in the aperture relative to the background. |
FLOAT |
1 |
stat.snr;em.opt.B |
|
37 |
magLim_g |
The Vega magnitude a SNR=3 source would have at this position. |
FLOAT |
1 |
stat.max;phot.mag;em.opt.B |
mag |
38 |
psffwhm_g |
Typical PSF FWHM in the CCD frame. |
FLOAT |
1 |
instr.det.psf;stat.mean;em.opt.B |
arcsec |
39 |
mjd_g |
Modified Julian Date at the start of the g-band exposure. |
DOUBLE |
1 |
time.epoch;em.opt.B |
days |
40 |
detectionID_g |
Detection identifier: night-#exposure-#extension-#number. |
STRING |
23 |
meta.id;em.opt.B |
|
41 |
clean_r2 |
=1 if the r2-band detection is significant and the PSF fit good. |
INT8 |
1 |
meta.code.qual;em.opt.R |
|
42 |
r2 |
Second r-band VEGA magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
43 |
r2_AB |
Second r-band AB magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
44 |
err_r2 |
Statistical uncertainty for r2. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.R |
mag |
45 |
chi_r2 |
Goodness of the PSF fit in r2, as determined by DAOPHOT ALLSTAR. |
FLOAT |
1 |
stat.fit.chi2;em.opt.R |
|
46 |
warning_r2 |
Flags problems encountered while fitting the PSF, if any. |
STRING |
12 |
meta.code.qual;em.opt.R |
|
47 |
aperMag_r2 |
r2-band VEGA magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
48 |
aperMag_r2_AB |
r2-band AB magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
49 |
aperMagErr_r2 |
Statistical uncertainty for aperMag_r2. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.R |
mag |
50 |
snr_r2 |
Ratio of the signal in the aperture relative to the background. |
FLOAT |
1 |
stat.snr;em.opt.R |
|
51 |
magLim_r2 |
The Vega magnitude a SNR=3 source would have at this position. |
FLOAT |
1 |
stat.max;phot.mag;em.opt.R |
mag |
52 |
psffwhm_r2 |
Typical PSF FWHM in the CCD frame. |
FLOAT |
1 |
instr.det.psf;stat.mean;em.opt.R |
arcsec |
53 |
mjd_r2 |
Modified Julian Date at the start of the r2-band exposure. |
DOUBLE |
1 |
time.epoch;em.opt.R |
days |
54 |
detectionID_r2 |
Detection identifier: night-#exposure-#extension-#number. |
STRING |
23 |
meta.id;em.opt.R |
|
55 |
clean_ha |
=1 if the H-alpha detection is significant and the PSF fit good. |
INT8 |
1 |
meta.code.qual;em.line.Halpha |
|
56 |
ha |
Default H-alpha VEGA magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.line.Halpha;meta.main |
mag |
57 |
err_ha |
Statistical uncertainty for ha. Not including systematics. |
FLOAT |
1 |
stat.error;em.line.Halpha |
mag |
58 |
chi_ha |
Goodness of the PSF fit in H-alpha, as determined by DAOPHOT. |
FLOAT |
1 |
stat.fit.chi2;em.line.Halpha |
|
59 |
warning_ha |
Flags problems encountered while fitting the PSF, if any. |
STRING |
12 |
meta.code.qual;em.line.Halpha |
|
60 |
aperMag_ha |
H-alpha VEGA magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.line.Halpha |
mag |
61 |
aperMagErr_ha |
Statistical uncertainty for aperMag_ha. Not including systematics. |
FLOAT |
1 |
stat.error;em.line.Halpha |
mag |
62 |
snr_ha |
Ratio of the signal in the aperture relative to the background. |
FLOAT |
1 |
stat.snr;em.line.Halpha |
|
63 |
magLim_ha |
The Vega magnitude a SNR=3 source would have at this position. |
FLOAT |
1 |
stat.max;phot.mag;em.line.Halpha |
mag |
64 |
psffwhm_ha |
Typical PSF FWHM in the CCD frame. |
FLOAT |
1 |
instr.det.psf;stat.mean;em.line.Halpha |
arcsec |
65 |
mjd_ha |
Modified Julian Date at the start of the H-alpha exposure. |
DOUBLE |
1 |
time.epoch;em.line.Halpha |
days |
66 |
detectionID_ha |
Detection identifier: night-#exposure-#extension-#number. |
STRING |
23 |
meta.id;em.line.Halpha |
|
67 |
clean_r |
=1 if the r-band detection is significant and the PSF fit good. |
INT8 |
1 |
meta.code.qual;em.opt.R |
|
68 |
r |
Default r-band VEGA magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.R;meta.main |
mag |
69 |
r_AB |
Default r-band AB magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
70 |
err_r |
Statistical uncertainty for r. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.R |
mag |
71 |
chi_r |
Goodness of the PSF fit in r, as determined by DAOPHOT ALLSTAR. |
FLOAT |
1 |
stat.fit.chi2;em.opt.R |
|
72 |
warning_r |
Flags problems encountered while fitting the PSF, if any. |
STRING |
12 |
meta.code.qual;em.opt.R |
|
73 |
aperMag_r |
r-band VEGA magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
74 |
aperMag_r_AB |
r-band AB magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.R |
mag |
75 |
aperMagErr_r |
Statistical uncertainty for aperMag_r. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.R |
mag |
76 |
snr_r |
Ratio of the signal in the aperture relative to the background. |
FLOAT |
1 |
stat.snr;em.opt.R |
|
77 |
magLim_r |
The Vega magnitude a SNR=3 source would have at this position. |
FLOAT |
1 |
stat.max;phot.mag;em.opt.R |
mag |
78 |
psffwhm_r |
Typical PSF FWHM in the CCD frame. |
FLOAT |
1 |
instr.det.psf;stat.mean;em.opt.R |
arcsec |
79 |
mjd_r |
Modified Julian Date at the start of the r-band exposure. |
DOUBLE |
1 |
time.epoch;em.opt.R |
days |
80 |
detectionID_r |
Detection identifier: night-#exposure-#extension-#number. |
STRING |
23 |
meta.id;em.opt.R |
|
81 |
clean_i |
=1 if the i-band detection is significant and the PSF fit good. |
INT8 |
1 |
meta.code.qual;em.opt.I |
|
82 |
i |
Default i-band VEGA magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.I;meta.main |
mag |
83 |
i_AB |
Default i-band AB magnitude obtained using PSF fitting. |
FLOAT |
1 |
phot.mag;em.opt.I |
mag |
84 |
err_i |
Statistical uncertainty for i. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.I |
mag |
85 |
chi_i |
Goodness of the PSF fit in i, as determined by DAOPHOT ALLSTAR. |
FLOAT |
1 |
stat.fit.chi2;em.opt.I |
|
86 |
warning_i |
Flags problems encountered while fitting the PSF, if any. |
STRING |
12 |
meta.code.qual;em.opt.I |
|
87 |
aperMag_i |
i-band VEGA magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.I |
mag |
88 |
aperMag_i_AB |
i-band AB magnitude obtained using aperture photometry. |
FLOAT |
1 |
phot.mag;em.opt.I |
mag |
89 |
aperMagErr_i |
Statistical uncertainty for aperMag_i. Not including systematics. |
FLOAT |
1 |
stat.error;em.opt.I |
mag |
90 |
snr_i |
Ratio of the signal in the aperture relative to the background. |
FLOAT |
1 |
stat.snr;em.opt.I |
|
91 |
magLim_i |
The Vega magnitude a SNR=3 source would have at this position. |
FLOAT |
1 |
stat.max;phot.mag;em.opt.I |
mag |
92 |
psffwhm_i |
Typical PSF FWHM in the CCD frame. |
FLOAT |
1 |
instr.det.psf;stat.mean;em.opt.I |
arcsec |
93 |
mjd_i |
Modified Julian Date at the start of the i-band exposure. |
DOUBLE |
1 |
time.epoch;em.opt.I |
days |
94 |
detectionID_i |
Detection identifier: night-#exposure-#extension-#number. |
STRING |
23 |
meta.id;em.opt.I |
|
95 |
field |
Survey-specific identifier of the telescope pointing. |
STRING |
5 |
obs.field;meta.id |
|
96 |
ext |
OmegaCAM CCD extension used (1-32). |
INT8 |
1 |
obs.param;meta.id |
|
97 |
l |
Galactic longitude in decimal degrees (IAU 1958 system). |
DOUBLE |
1 |
pos.galactic.lon |
deg |
98 |
b |
Galactic latitude in decimal degrees (IAU 1958 system). |
DOUBLE |
1 |
pos.galactic.lat |
deg |
99 |
nbDist |
Distance to the nearest neighbour detected in the same exposure. |
FLOAT |
1 |
pos.angDistance |
arcsec |