UCAC/troubles with new 2MASS
Bill J Gray Apr 2, 2003
Hi John,
I've been keeping a close eye on the UCAC site, too. I
figured the end of March would bring an updated notice,
so I've visited the site once or twice a day. Hadn't seen
this update yet, though. I wonder to what extent the
advent of 2MASS "final" caused this slight delay.
I'd been about to e-mail Norbert Zacharias to ask how UCAC-2
was going. Most likely, someone else did that and nudged him
into updating the info on the Web site.
My timing on the 2MASS wasn't all that wonderful. I don't
think the new version will "break" what I did, though, because
the new data will appear as a different catalog number, and
it will probably still be possible to query the original dataset.
So the update I post will be obsolete in the sense that it
accesses old data, but not "obsolete" in the it-doesn't-work
anymore sense. I think.
Not having seen the VizieR version of final 2MASS yet, I'd
expect to have problems beyond those caused by wider names.
I assume they'll have some other interesting bits and bytes
of data to throw at us, and/or may remove some of what
existed in the earlier version. Probably nothing that will be
too horribly difficult to puzzle out. (Getting 2MASS images
may prove tougher, but would be nice to have...)
-- Bill