Please select one of the coordinate system you use for your data.

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Please select the redshift you want to make distance computation from (in both cases, it must be in CMB rest frame)

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Cosmology/flow model parameters (assuming curvature flatness):

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Distance outputs:

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Please select output style

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Now you need to select a file to upload

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Ready ? Submit!

Input file

The input text file must have three columns:

1. The first column is the longitude coordinate in the system indicated above (in degrees from 0 to 360)
2. The second column is the latitude coordinate in the same system (in degrees from -90 to 90)
3. The third and last is the redshift, with units and rest-frame as specified above.

Here is an example:

300 10 450
45 -20 2000

for two galaxies one in (l=300, b=10, cz=450 km/s) and another in (l=45, b=-20, cz=2000 km/s).

Text output format

The output text will be formatted with the same line ordering as the input.