def get_obj_classifications_owned_by(self, user_or_token):
    """Query the database and return the Classifications on this Obj that are accessible
    to any of the User or Token owner's accessible Groups.

    Parameters
    ----------
    user_or_token : `baselayer.app.models.User` or `baselayer.app.models.Token`
       The requesting `User` or `Token` object.

    Returns
    -------
    comment_list : list of `skyportal.models.Classification`
       The accessible classifications attached to this Obj.
    """
    return [
        classifications
        for classifications in self.classifications
        if classifications.is_owned_by(user_or_token)
    ]