Nova Sgr 1998 現在までに以下の観測が入っています。あまり速くない新星の爆発初期の可能性 が高そうです。観測には、GSCでなく、ぜひ Hipparcos/Tycho 比較星をお使 いください。 Nova Sgr 1998 photometry Observations reported up to now: YYMMDD(UT) mag observer 980318.35 <115r (W. Liller, IAUC 6846) 980322.365 78r (W. Liller, IAUC 6846) 980323.316 7.74V (W. Liller, CCD, IAUC 6846) 980323.682 82C (G. J. Garradd, IAUC 6847) 980323.687 74 (A. F. Jones, IAUC 6848) 980323.724 78V (M. Aoki, IAUC 6847) 980323.771 81V (Y. Kushida, IAUC 6847) 980324.12 83 (L. Kiss) 980324.139 81 (K. Hornoch, IAUC 6848) 980324.183 85 (P. Schmeer) 980324.21 76 (J. M. Trigo, IAUC 6848) 980324.648 80 (R. Stubbings) Observers are strongly urged to estimate the magnitudes using Hipparcos and Tycho V magnitudes rather than GSC; the table is available at http://vsnet.kusastro.kyoto-u.ac.jp/vsnet/Novae/nsgr98.html. Regards, Taichi Kato