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Description Catalog Data Default Radius (arcmin) Mission Table Type
BeppoSAX High-Energy Large Area Survey (HELLAS) X-Ray Source Catalog saxhellasN
2
 BEPPOSAX 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 HELLAS 10 HELLAS 99 string
ra 00 26 36.5 23 55 53.3 position
dec -69 21 13 +89 35 30 position
lii (degree) 4.7776 347.1739 float
bii (degree) -87.8146 82.3162 float
off_axis (arcmin) 2.1 24.5 float
flux (erg/s/cm^2) 3.600e-14 3.066e-12 float
snr 2.6 18.7 float
softness_ratio -1.00 0.64 float
softness_ratio_error 0.03 0.65 float
softness_ratio_flag b b string
hardness_ratio_1 -0.66 1.00 float
hardness_ratio_1_error 0.03 2.64 float
hardness_ratio_1_flag b c string
hardness_ratio_2 -0.23 1.00 float
hardness_ratio_2_error 0.04 0.46 float
hardness_ratio_2_flag b c string
hellas_id 10 99 string

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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