def jhk_to_sdssu(jmag,hmag,kmag):
    '''Converts given J, H, Ks mags to an SDSS u magnitude value.

    Parameters
    ----------

    jmag,hmag,kmag : float
        2MASS J, H, Ks mags of the object.

    Returns
    -------

    float
        The converted SDSS u band magnitude.

    '''

    return convert_constants(jmag,hmag,kmag,
                             SDSSU_JHK,
                             SDSSU_JH, SDSSU_JK, SDSSU_HK,
                             SDSSU_J, SDSSU_H, SDSSU_K)
def jhk_to_sdssu(jmag,hmag,kmag):
    '''Converts given J, H, Ks mags to an SDSS u magnitude value.

    Parameters
    ----------

    jmag,hmag,kmag : float
        2MASS J, H, Ks mags of the object.

    Returns
    -------

    float
        The converted SDSS u band magnitude.

    '''

    return convert_constants(jmag,hmag,kmag,
                             SDSSU_JHK,
                             SDSSU_JH, SDSSU_JK, SDSSU_HK,
                             SDSSU_J, SDSSU_H, SDSSU_K)
def jhk_to_sdssu ( jmag , hmag , kmag ) : return convert_constants ( jmag , hmag , kmag , SDSSU_JHK , SDSSU_JH , SDSSU_JK , SDSSU_HK , SDSSU_J , SDSSU_H , SDSSU_K )
Converts given J, H, Ks mags to an SDSS u magnitude value.

    Parameters
    ----------

    jmag,hmag,kmag : float
        2MASS J, H, Ks mags of the object.

    Returns
    -------

    float
        The converted SDSS u band magnitude.
Converts given J H Ks mags to an SDSS u magnitude value .