La historia de los reyes magos tiridates dio cassius suetonius nero 66 rome halley comet
http://adsabs.harvard.edu/full/2004JBAA..114..336J
el nombre (el tipo) del cometa halley era Xiphias según flavio josefo
amongst the warnings, a comet, of the kind called Xiphias, because their tails appear to represent the blade of a sword, was seen above the city.