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Description Catalog Data Default Radius (arcmin) Mission Table Type
Chandra Lockman Area North Survey (CLANS) X-Ray Source Catalog clansN
1
 CHANDRA 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 CLANS 1 CLANS 99 string
ra 10 42 21.23 10 48 52.87 position
dec +58 32 19.5 +59 28 22.2 position
fb_flux (erg/s/cm^2) 4.000e-17 8.662e-13 float
fb_flux_pos_err (erg/s/cm^2) 0.00e+00 1.66e-13 float
fb_flux_neg_err (erg/s/cm^2) 1.00e-17 1.32e-13 float
hardness_ratio 0.01 62.44 float
hardness_ratio_pos_err 0.02 374.31 float
hardness_ratio_neg_err 0.00 61.22 float
source_number 1 761 integer
lii (degree) 147.61382 149.21937 float
bii (degree) 50.95204 51.91758 float
ra_error (arcsec) 0.000 1.758 float
dec_error (arcsec) 0.000 0.830 float
sb_flux_limit < < string
sb_flux (erg/s/cm^2) 2.000e-17 6.512e-14 float
sb_flux_neg_err (erg/s/cm^2) 0.00e+00 6.67e-15 float
sb_flux_pos_err (erg/s/cm^2) 0.00e+00 9.01e-15 float
hb_flux_limit < < string
hb_flux (erg/s/cm^2) 0.000e+00 6.018e-13 float
hb_flux_neg_err (erg/s/cm^2) 0.00e+00 9.44e-14 float
hb_flux_pos_err (erg/s/cm^2) 0.00e+00 1.02e-13 float
hardness_ratio_limit < > string
spectral_index -2.83 2.74 float
spectral_index_neg_err -289.97 10.67 float
spectral_index_pos_err -6.39 83.52 float
sb_counts (ct) 0.00 815.00 float
sb_counts_neg_err (ct) 0.00 28.54 float
sb_counts_pos_err (ct) 1.07 29.56 float
hb_counts (ct) 0.00 436.25 float
hb_counts_neg_err (ct) 0.00 21.12 float
hb_counts_pos_err (ct) 1.33 29.78 float
fb_counts (ct) 0.00 1240.00 float
fb_counts_neg_err (ct) 0.00 35.21 float
fb_counts_pos_err (ct) 2.04 36.22 float
sb_exposure (s) 2.31e+04 7.11e+04 float
hb_exposure (s) 2.35e+04 7.11e+04 float
fb_exposure (s) 2.32e+04 7.11e+04 float
off_axis (arcmin) 0.1 10.6 float

4. Do you want to change your current query settings?


(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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