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

Description Catalog Data Default Radius (arcmin) Mission Table Type
NGC 2808 Chandra X-Ray Point Source Catalog ngc2808cxoN
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 1 113 integer
name [SDW2008] 1 [SDW2008] 99 string
detect_method h w string
alt_name [SWB2008] NGC 2808 1 [SWB2008] NGC 2808 C4 string
ra 09 10 39.27 09 14 02.25 position
dec -65 02 52.76 -64 42 44.74 position
lii (degree) 282.05913 282.42747 float
bii (degree) -11.39502 -11.13188 float
error_radius (arcsec) 0.04 1.07 float
counts (ct) 4 513 integer
flux (erg/s/cm^2) 9.000e-16 1.935e-13 float
flux_error (erg/s/cm^2) 7.00e-16 3.55e-14 float
xmm_flux (erg/s/cm^2) -0.000e+00 5.516e-13 float
xmm_flux_error (erg/s/cm^2) 1.90e-15 2.59e-14 float
hardness_ratio -1.00 1.00 float
hardness_ratio_error 0.03 0.44 float
xmm_hardness_ratio -0.91 1.00 float
xmm_hardness_ratio_error 0.02 0.87 float
spectral_index -1.32 4.80 float
ks_prob_constant 3.360e-14 9.840e-01 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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