NNo GCVS J2000.0 Type Max Min I Min II Epoch Year Period M-m/D Spectrum References Other desig. p.m.(as/yr) Epoch Ident. New type GCVS -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 340242 |IY Dra |182317.82 +642037.6 |M: | 11.8 |< 15.0 | |p | | | | | |75002 GSC | | |1983.367| |GSC | |IY Dra | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- _______________Cross-identifications:_______________ IY Dra = GSC 04222.02085 | IY Dra = IRAS 18230+6418 | ____________________________________________________ Reference to a chart or photograph:
GSC B. M. Lasker, C. R. Sturch, B. J. McLean, et al., Astron. J. 99, 2019 (1990) (CDS Cat. I/254).Reference to a study of the star:
75002. T.Kato, VSNET No.1764, 1999 (www.kusastro.kyoto-u.ac.jp/vsnet/Mail/vsnet/maillist.html)
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