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Description Catalog Data Default Radius (arcmin) Mission Table Type
Northern ROSAT All-Sky (NORAS) Galaxy Cluster Survey Catalog norasN
2
 ROSAT 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 RX J0013.4+0949 RXC J2355.8+3423 string
ra 00 00 07.1 23 56 52.3 position
dec +00 05 30 +87 17 15 position
count_rate (ct/s) 0.00 15.80 float
flux (erg/cm^2/s) 0.0000e+00 3.0589e-10 float
redshift 0.0000 2.4896 float
lx (erg/s) 0.000e+00 3.256e+45 float
alt_name 2A0335 Zw 1754.5+6807 string
name_note a i string
lii (degree) 0.4272 359.9603 float
bii (degree) -61.8913 88.2021 float
count_rate_error (ct/s) 0.00e+00 1.96e+00 float
obs_flux (erg/cm^2/s) 2.0000e-14 3.0494e-10 float
flux_error (erg/cm^2/s) 6.50e-14 3.79e-11 float
flux_percent_error (percent) 0.0 97.9 float
lx_error (erg/s) 6.2000e+40 1.1836e+45 float
nh (H-atoms/cm^2) 0.00e+00 1.86e+21 float
id_flag ? o string
ref_redshift 1 83 string
extent_parameter -2.0 30.0 float
bestfit_core_radius (arcmin) 0.0 6.0 float
minimal_core_radius (arcmin) 0.0 6.0 float
hardness_ratio -1.00 1.83 float
hardness_ratio_error 0.00 0.65 float
hr_sigma_deviation (sigma) -9.99 9.99 float
comments AGN in a cluster Seyfert 1 in a cluster string
angular_source_radius (arcmin) 1.0 70.0 float
linear_source_radius (Mpc) 0.00 6.75 float
table_sample 1 5 integer

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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