Main Search Form Search of CHANDRA Catalog(s) Tips Archive Hera Data Analysis Help

Description Catalog Data Default Radius (arcmin) Mission Table Type
NGC 55 Chandra X-Ray Point Source Catalog ngc55cxoN
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
source_number 1 154 integer
name CXOLV J001412.40-391017.8 CXOLV J001608.27-391738.5 string
ra 00 14 12.400 00 16 08.280 position
dec -39 24 17.82 -39 02 25.82 position
error_radius (arcsec) 0.01 1.29 float
off_axis (arcmin) 0.8 12.1 float
counts (ct) 3.0 11523.4 float
counts_neg_err (ct) 1.6 107.4 float
counts_pos_err (ct) 2.9 108.4 float
flux (erg/s/cm^2) 7.0000e-16 1.6536e-12 float
source_type ABS XRB string
lii (degree) 331.850035 333.380413 float
bii (degree) -75.923786 -75.556288 float
log_prob_ns_limit < < string
log_prob_ns -10.0 -3.3 float
hardness_ratio_1 -0.76 0.69 float
hardness_ratio_1_error 0.01 0.51 float
hardness_ratio_2 -0.76 0.74 float
hardness_ratio_2_error 0.01 0.49 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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