astromodule.splus.SplusService.download_lupton_rgb

SplusService.download_lupton_rgb(ra: float, dec: float, save_path: str | Path, replace: bool = False, size: int = 128, r_band: str = 'I', g_band: str = 'R', b_band: str = 'G', stretch: int | float = 3, Q: int | float = 8)

Downloads a single Lupton RGB image based on object posistion, this method accepts arguments to customize Lupton’s parameters

Parameters:

ra: float

The right ascension in degrees

dec: float

The declination in degrees

save_path: str or Path

The path where the file will be saved

replace: bool (optional)

This method checks if a file exists in save_path location before the download. If this parameters is True and a file exists in save_path location, this method will ovewrite the existing file. If this parameter is False and a file exists in save_path location, this method will skip the download

size: int (optional)

The image size in pixels

r_band: str (optional)

The S-PLUS band that will be mapped as R channel of the RGB image

g_band: str (optional)

The S-PLUS band that will be mapped as G channel of the RGB image

b_band: str (optional)

The S-PLUS band that will be mapped as B channel of the RGB image

stretch: int or float (optional)

The stretch parameter of Lupton’s formula

Q: int or float (optional)

The Q parameter of Lupton’s formula