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Table 4
DR9Q catalog format.
Column | Name | Format | Descriptiona |
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1 | SDSS_NAME | A19 | SDSS-DR9 designation hhmmss.ss+ddmmss.s (J2000) |
2 | RA | F11.6 | Right Ascension in decimal degrees (J2000) |
3 | DEC | F11.6 | Declination in decimal degrees (J2000) |
4 | THING_ID | I10 | Thing_ID |
5 | PLATE | I5 | Spectroscopic Plate number |
6 | MJD | I6 | Spectroscopic MJD |
7 | FIBERID | I5 | Spectroscopic Fiber number |
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8 | Z_VI | F9.4 | Redshift from visual inspection |
9 | Z_PIPE | F9.4 | Redshift from BOSS pipeline |
10 | ERR_ZPIPE | F9.4 | Error on BOSS pipeline redshift |
11 | ZWARNING | I4 | ZWARNING flag |
12 | Z_PCA | F9.4 | Refined PCA redshift |
13 | ERR_ZPCA | F9.4 | Error on refined PCA redshift |
14 | PCA_QUAL | F9.4 | Estimator of the PCA continuum quality |
15 | Z_CIV | F9.4 | Redshift of C iv emission line |
16 | Z_CIII | F9.4 | Redshift of C iii] emission complex |
17 | Z_MGII | F9.4 | Redshift of Mg ii emission line |
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18 | SDSS_MORPHO | I2 | SDSS morphology flag 0 = point source 1 = extended |
19 | BOSS_TARGET1 | I20 | BOSS target flag for main survey |
20 | ANCILLARY_TARGET1 | I20 | BOSS target flag for ancillary programs |
21 | ANCILLARY_TARGET2 | I20 | BOSS target flag for ancillary programs |
22 | SDSS_DR7 | I2 | 1 if the quasar is known from DR7 |
23 | PLATE_DR7 | I5 | SDSS-DR7 spectroscopic Plate number if the quasar is known from DR7 |
24 | MJD_DR7 | I6 | SDSS-DR7 spectroscopic MJD if the quasar is known from DR7 |
25 | FIBERID_DR7 | I4 | SDSS-FR7 spectroscopic Fiber number if the quasar is known from DR7 |
26 | UNIFORM | I2 | Uniform sample flag |
27 | MI | F9.4 |
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28 | DGMI | F9.4 | Δ(g − i) = (g − i) − ⟨ (g − i) ⟩ redshift (Galactic extinction corrected) |
29 | ALPHA_NU | F9.4 | Spectral index measurement αν |
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30 | SNR_SPEC | F9.4 | Median S/N over the whole spectrum |
31 | SNR_1700 | F9.4 | Median S/N in the window 1650–1750 Å (rest frame) |
32 | SNR_3000 | F9.4 | Median S/N in the window 2950–3050 Å (rest frame) |
33 | SNR_5150 | F9.4 | Median S/N in the window 5100–5250 Å (rest frame) |
34 | FWHM_CIV | F9.4 | FWHM of C iv emission line in km s-1 |
35 | BHWHM_CIV | F9.4 | Blue HWHM of C iv emission line in km s-1 |
36 | RHWHM_CIV | F9.4 | Red HWHM of C iv emission line in km s-1 |
37 | AMP_CIV | F9.4 | Amplitude of C iv emission line in units of median rms pixel noise |
38 | REWE_CIV | F9.4 | Rest frame equivalent width of C iv emission line in Å |
39 | ERR_REWE_CIV | F9.4 | Uncertainty on the rest frame equivalent width of C iv emission line in Å |
40 | FWHM_CIII | F9.4 | FWHM of C iii] emission complex in km s-1 |
41 | BHWHM_CIII | F9.4 | Blue HWHM of C iii] emission line in km s-1 |
42 | RHWHM_CIII | F9.4 | Red HWHM of C iii] emission line in km s-1 |
43 | AMP_CIII | F9.4 | Amplitude of C iii] emission complex in units of median rms pixel noise |
44 | REWE_CIII | F9.4 | Rest frame equivalent width of C iii] emission line in Å |
45 | ERR_REWE_CIII | F9.4 | Uncertainty on the rest frame equivalent width of C iii] emission complex in Å |
46 | FWHM_MGII | F9.4 | FWHM of Mg ii emission line in km s-1 |
47 | BHWHM_MGII | F9.4 | Blue HWHM of Mg ii emission line in km s-1 |
48 | RHWHM_MGII | F9.4 | Red HWHM of Mg ii emission line in km s-1 |
49 | AMP_MGII | F9.4 | Amplitude of Mg ii emission line in units of median rms pixel noise |
50 | REWE_MGII | F9.4 | Rest frame equivalent width of Mg ii emission line in Å |
51 | ERR_REWE_MGII | F9.4 | Uncertainty on the rest frame equivalent width of Mg ii emission in Å |
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52 | BAL_FLAG_VI | I2 | BAL flag from visual inspection |
53 | BI_CIV | F9.4 | Balnicity index of C iv trough in km s-1 |
54 | ERR_BI_CIV | F9.4 | Error on the balnicity index of C iv trough in km s-1 |
55 | AI_CIV | F9.4 | Absorption index of C iv trough in km s-1 |
56 | ERR_AI_CIV | F9.4 | Error on the absorption index of C iv trough in km s-1 |
57 | DI_CIV | F9.4 | Detection index of C iv trough in km s-1 |
58 | ERR_DI_CIV | F9.4 | Error on the detection index of C iv trough in km s-1 |
59 | CHI2THROUGH | F9.4 | χ2 of the trough from Eq. (3) |
60 | NCIV_2000 | I3 | Number of distinct C iv troughs of width larger than 2000 km s-1 |
61 | VMIN_CIV_2000 | F9.4 | Minimum velocity of the C iv troughs defined in row 60 km s-1 |
62 | VMAX_CIV_2000 | F9.4 | Maximum velocity of the C iv troughs defined in row 60 in km s-1 |
63 | NCIV_450 | I3 | Number of distinct C iv troughs of width larger than 450 km s-1 |
64 | VMIN_CIV_450 | F9.4 | Minimum velocity of the C iv troughs defined in row 63 in km s-1 |
65 | VMAX_CIV_450 | F9.4 | Maximum velocity of the C iv troughs defined in row 63 in km s-1 |
66 | REW_SIIV | F9.4 | rest frame equivalent width of the Si iv trough |
67 | REW_CIV | F9.4 | rest frame equivalent width of the C iv trough |
68 | REW_ALIII | F9.4 | rest frame equivalent width of the Al iii trough |
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69 | RUN_NUMBER | I6 | SDSS imaging run number of photometric measurements |
70 | PHOTO_MJD | I6 | Modified Julian date of imaging observation |
71 | RERUN_NUMBER | A4 | SDSS photometric processing rerun number |
72 | COL_NUMBER | I2 | SDSS camera column number (1–6) |
73 | FIELD_NUMBER | I5 | SDSS field number |
74 | OBJ_ID | A20 | SDSS object identification number |
75 | UFLUX | F9.4 | flux in the u-band (not corrected for Galactic extinction) |
76 | ERR_UFLUX | F9.4 | Error in u flux |
77 | GFLUX | F9.4 | flux in the g-band (not corrected for Galactic extinction) |
78 | ERR_GFLUX | F9.4 | Error in g flux |
79 | RFLUX | F9.4 | flux in the r-band (not corrected for Galactic extinction) |
80 | ERR_RFLUX | F9.4 | Error in r flux |
81 | IFLUX | F9.4 | flux in the i-band (not corrected for Galactic extinction) |
82 | ERR_IFLUX | F9.4 | Error in i flux |
83 | ZFLUX | F9.4 | flux in the z-band (not corrected for Galactic extinction) |
84 | ERR_ZFLUX | F9.4 | Error in z flux |
85 | TARGET_UFLUX | F9.4 | TARGET flux in the u-band (not corrected for galactic extinction) |
86 | TARGET_GFLUX | F9.4 | TARGET flux in the g-band (not corrected for galactic extinction) |
87 | TARGET_RFLUX | F9.4 | TARGET flux in the r-band (not corrected for galactic extinction) |
88 | TARGET_IFLUX | F9.4 | TARGET flux in the i-band (not corrected for galactic extinction) |
89 | TARGET_ZFLUX | F9.4 | TARGET flux in the z-band (not corrected for galactic extinction) |
90 | U_EXT | F9.4 | u band Galactic extinction (from (Schlegel et al. 1998)) |
91 | HI_GAL | F9.4 | log NH (logarithm of Galactic H i column density in cm-2) |
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92 | RASS_COUNTS | F9.4 | log RASS full band count rate (counts s-1) |
93 | RASS_COUNTS_SNR | F9.4 | S/N of the RASS count rate |
94 | SDSS2ROSAT_SEP | F9.4 | SDSS-RASS separation in arcsec |
95 | NUVFLUX | F9.4 | nuv flux (GALEX) |
96 | ERR_NUVFLUX | F9.4 | Error in nuv flux |
97 | FUVFLUX | F9.4 | fuv flux (GALEX) |
98 | ERR_FUVFLUX | F9.4 | Error in fuv flux |
99 | JMAG | F9.4 | J magnitude (Vega, 2MASS) |
100 | ERR_JMAG | F9.4 | Error in J magnitude |
101 | JSNR | F9.4 | J-band S/N |
102 | JRDFLAG | I2 | J-band photometry flag |
103 | HMAG | F9.4 | H magnitude (Vega, 2MASS) |
104 | ERR_HMAG | F9.4 | Error in H magnitude |
105 | HSNR | F9.4 | H-band S/N |
106 | HRDFLAG | I2 | H-band photometry flag |
107 | KMAG | F10.6 | K magnitude (Vega, 2MASS) |
108 | ERR_KMAG | F10.6 | Error in K magnitude |
109 | KSNR | F10.6 | K-band S/N |
110 | KRDFLAG | I2 | K-band photometry flag |
111 | SDSS2MASS_SEP | F10.6 | SDSS-2MASS separation in arcsec |
112 | W1MAG | F10.6 | w1 magnitude (Vega, WISE) |
113 | ERR_W1MAG | F10.6 | Error in w1 magnitude |
114 | W1SNR | F10.6 | S/N in w1 band |
115 | W1CHI2 | F10.6 | χ2 in w1 band |
116 | W2MAG | F10.6 | w2 magnitude (Vega, WISE) |
117 | ERR_W2MAG | F10.6 | Error in w2 magnitude |
118 | W2SNR | F10.6 | S/N in w1 band |
119 | W2CHI2 | F10.6 | χ2 in w1 band |
120 | W3MAG | F10.6 | w3 magnitude (Vega, WISE) |
121 | ERR_W3MAG | F10.6 | Error in w3 magnitude |
122 | W3SNR | F10.6 | S/N in w1 band |
123 | W3CHI2 | F10.6 | χ2 in w1 band |
124 | W4MAG | F10.6 | w4 magnitude (Vega, WISE) |
125 | ERR_W4MAG | F10.6 | Error in w4 magnitude |
126 | W4SNR | F10.6 | S/N in w1 band |
127 | W4CHI2 | F10.6 | χ2 in w1 band |
128 | SDSS2WISE_SEP | F10.6 | SDSS-WISE separation in arcsec |
129 | FIRST_FLUX | F10.6 | FIRST peak flux density at 20 cm expressed in mJy |
130 | FIRST_SNR | F10.6 | S/N of the FIRST flux density |
131 | SDSS2FIRST_SEP | F10.6 | SDSS-FIRST separation in arcsec |
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