[vsnet-newvar 1774] NSV 19483 identity is now clear

[jg@jgws.freeisp.co.uk]

The finder chart for TbrV0149, now available at

http://vsnet.tip.net.au/~vello/varstar2/TbrV0149.htm

can be matched to the finder chart for star 114 at

http://adsbit.harvard.edu/cgi-bin/nph-iarticle_query?bibcode=1978AJ.....83.1390G&db_key=AST&page_ind=1&plate_select=NO&data_type=GIF&type=SCREEN_GIF
(all one url)

And it looks as though GSC 8996 1474 and GSC 8996 0455 are merged on the
finder chart for star 114 also.

So, it seems likely that NSV 19483 was misidentified as to type. 
Indeed, so misidentified that there is even the possibility that it was
a spurious detection due to varying seeing, these stars being merged or
resolved dependent on the prevailing conditions at various exposures. 
That is, original variability detection could have been just
coincidental, and the identification of this object as a red LPV
(TbrV0149) the true discovery event.

A thing left for the bookkeepers and catalogue compilers to decide. 
Nevertheless, it seems (given Vello's earlier identification based on
remeasuring images) that TbrV0149 = GSC 8996 1474, which is a
semiregular variable, and this star is also the object labelled star 114
in AJ83,1390, where it was identified as an eclipsing binary, and which
subsequently became numbered NSV 19483.


John Greaves

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