404. That’s an error.

The requested URL /translate_c?depth=1&hl=es&prev=search&rurl=translate.google.com&sl=en&sp=nmt4&u=http://adsabs.harvard.edu/abs/2001AJ....122.2993S&xid=25657,15700022,15700043,15700186,15700190,15700256,15700259&usg=ALkJrhha7wCVweNJ6DYyeNbaKsHUQCdOEA was not found on this server. That’s all we know.