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Description Catalog Data Default Radius (arcmin) Mission Table Type
Swift Simultaneous UV, Optical, and X-Ray Observed Quasar Catalog swsdssqsoN
1
 SDSS Object

1. Enter any constraints on the query below. [ Help on constraint syntax ]

(What about wildcards, spaces, and case sensitivity?)

2. To change the fields that are returned, select the box in the "View" column beside each field desired.

3. To sort the results by any field, select one box in the "Sort" column beside the field to sort on.


 Parameter (Unit) Min Value Max Value Value Type
name SDSS J000639.20+142156.1 SDSS J231940.16+001008.4 string
ra 00 06 39.205 23 19 40.164 position
dec -10 09 52.98 +67 46 12.25 position
umag (mag) -0.180 25.960 float
redshift 0.0129 4.5766 float
log_lx (log(erg/s)) 42.627 48.169 float
log_l_2500a (log(erg/s/Hz)) 27.816 32.493 float
log_l_2500a_error (log(erg/s/Hz)) 0.000 0.540 float
lii (degree) 1.471128 359.254663 float
bii (degree) -71.785696 82.270104 float
abs_imag (mag) -30.24 0.00 float
quality_flag a d string
catalog_flag 0 1 integer
sed_flag 0 1 integer
num_2mass_datapts 0 3 integer
num_swift_datapts 0 6 integer
xrt_quality_flag a w string
quasar_type - Sy1.8 string
xrt_model - d string
red_flag -1 1 integer
sdss_fit_flag 0 1 integer
xrt_photon_index 0.372 4.305 float
xrt_photon_index_neg_err 0.000 0.692 float
xrt_photon_index_pos_err 0.000 0.914 float
xrt_hardness_ratio 0.008 1.000 float
log_fx_obs (log(erg/s/cm^2)) -14.239 -10.394 float
log_fx (log(erg/s/cm^2)) -14.194 -10.354 float
log_l_2kev (log(erg/s/Hz)) 24.196 29.939 float
log_l_2kev_error (log(erg/s/Hz)) 0.003 1.005 float
xrt_detection_flag -1 1 integer
xrt_count_rate (ct/s) 1.55e-04 6.93e-01 float
xrt_exposure (s) 0.0 627300.0 float
nh_gal (cm^-2) 6.00e+17 1.23e+19 float
nh_int (cm^-2) 0.000e+00 4.067e+23 float
nh_int_neg_err (cm^-2) 0.000e+00 1.704e+23 float
nh_int_pos_err (cm^-2) 0.000e+00 3.302e+23 float
vmag_flag -1 1 integer
vmag_exposure (s) 0.0 203719.6 float
log_vmag_flux_dens (log(erg/s/cm^2/Angstrom)) -17.037 -14.619 float
log_vmag_flux_dens_error (log(erg/s/cm^2/Angstrom)) 0.003 1.720 float
bmag_flag -1 1 integer
bmag_exposure (s) 0.0 39411.2 float
log_bmag_flux_dens (log(erg/s/cm^2/Angstrom)) -17.466 -14.507 float
log_bmag_flux_dens_error (log(erg/s/cm^2/Angstrom)) 0.004 1.389 float
umag_flag -1 1 integer
umag_exposure (s) 0.0 56905.6 float
log_umag_flux_dens (log(erg/s/cm^2/Angstrom)) -17.731 -14.266 float
log_umag_flux_dens_error (log(erg/s/cm^2/Angstrom)) 0.007 1.527 float
uvw1_mag_flag -1 1 integer
uvw1_mag_exposure (s) 0.0 107142.2 float
log_uvw1_flux_dens (log(erg/s/cm^2/Angstrom)) -17.760 -14.179 float
log_uvw1_flux_dens_error (log(erg/s/cm^2/Angstrom)) 0.011 1.700 float
uvm2_mag_flag -1 1 integer
uvm2_mag_exposure (s) 0.0 162276.1 float
log_uvm2_flux_dens (log(erg/s/cm^2/Angstrom)) -17.796 -14.069 float
log_uvm2_flux_dens_error (log(erg/s/cm^2/Angstrom)) 0.004 1.743 float
uvw2_mag_flag -1 1 integer
uvw2_mag_exposure (s) 0.0 191402.9 float
log_uvw2_flux_dens (log(erg/s/cm^2/Angstrom)) -17.848 -13.941 float
log_uvw2_flux_dens_error (log(erg/s/cm^2/Angstrom)) 0.010 1.999 float
uv_spectral_index -5.145 0.558 float
uv_spectral_index_error 0.001 2.147 float
alpha_ox -1.906 -0.398 float
alpha_ox_error 0.007 0.386 float
log_black_hole_mass (log(Solar Mass)) 7.238 10.341 float
log_lbol_exp (log(erg/s)) 43.956 48.365 float
log_lbol_tpl (log(erg/s)) 43.991 47.938 float
class

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(e.g. 'Cyg X-1' or '12 00 00, 4 12 6')
Use semicolons (;) to separate multiple object names or coordinate pairs (e.g. 'Cyg X-2; 12.235, 15.345').
Default uses the optimum radius for each catalog searched.

Not all tables have observation dates/times. For those that do, the time portion of the date is optional.
Times are always in UTC. Separate multiple dates/ranges with semicolons (;). Range operator is '..'
(e.g. '1992-12-31; 48980.5; 1995-01-15 12:00:00; 1997-03-20 .. 2000-10-18').
rows
Select to display all catalog parameters instead of only defaults.

5.


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