2009(V496 Sct)2009() (M2), (4), ()2009 (in ) 2009/12/12~12/14

1. IntroductionV2491 Cyg (Nova Cyg 2008 No.2) 4V2670 Oph (Nova Oph 2008) 2V2468 Cyg (Nova Cyg 2008 No.1) 4V2672 Oph (Nova Oph 2009) 1V2491 CygV2672 OphFWHM=7700 km/s

1-1.(Nova)WD2(t2)(Payne-Gaposchkin, 1957)3(t3)(Duerbeck, 1981) (C. Hellier, 2001)WDWDWDWD81510100Table: t2

Williams (1992)1-2. FenovaHe/N novaFe nova(Williams, 1992)He/N nova (Williams, 1992)HHHe, NFeNa I, O I, Mg I, Ca IIP Cygni plofileHe II, He I, N II, N III

1-3. V496 Sct KT EriV496 Sct = Nova Sct 2009KT Eri = Nova Eri 200920091188(2009.12.04)18h 43m 45.57s-7d 36 42.0USNO-A2.0 705.14293588 (R=18.3, B=17.6)2009112588 6NENE16 11(2009.11.26)no filterV filter04h 47m 54.21s-10d 10 43.1 GSC5325.1837 (14.80mag)

Fig.2-1: 34 41 38133 55 512. Observation2-1. Fig.2-2: V496 SctKT Eri

2-2.(C9) D=235 mm, F6.3 EM-200, Temma2CCDSBIG ST-7XE C, B, V, y, Rc, (Ic)(C11) D=280 mm, F10 NJP, Temma2SBIG DSS-7CCDSBIG ST-402NJP+MRD TC-1A

2-2.CCDCCDST-402SBIGDSS-7SBIG[5.4/pixcel15R400][pixcel 7655101pixcel 99][40008000]DSS-7

Telescope Tracer 2000CCD or CCDOPSSBIG2-3. ()

2-4. : BeSpec ( : )15S/N

(H)(He)()2n: pixel number

3.Results3-1. V496 SctO I 7773HH H Na I DO I 7477Fe IIFe IIFe IIFeII, Na I D, O INa D I24(P Cygni profile)FWHM of H: 1200 km/sExp. time : 30s6

3-2. V496 Sct2009/11/2312/08611/2311/2611/2812/0112/0412/08

3-3. V496 SctP Cygni profileNa I DP Cygni profileHH112612/0812/0412/0111/2811/2611/23Na I D

3-4. KT EriHe I 7075HHe I 5876N II 5679N II 5001, He I 5016HN III 4640HHe I, NII, NIIIFWHM of H: 3400 km/sExp. time : 60s5

3-5. KT Eri2009/11/2612/0911NIII

3-7. KT EriN IIHe IN II(5679)He I(5876)N IIHH11/2611/2811/2911/3012/0112/0212/0312/0412/0612/0812/09

3-8. H/H10.1B-VV-RH/H121H/H122B-V0.11230.2 B-V0.1 H/H124V-R0.2H/HH/H

4.SummaryFe II novaHFWHM12001300 km/sNa I D30(1200 km /s)(P Cygni profile)818h-7

4-1.V496 Sct

4-2.KT Eri8DNHe/N novaHFWHM11263400 km/s1292600 km/s

KT EriGSC5325.1837 (14.8mag)5.6 Vmag (UT: 1114.8)9t267dayt31415day

91112

Brian Warner, 1995, Cambridge, Cataclysmic Variable Stars, ch.5 Novae in EruptionC. Payne-Gaposchkin, 1957, North-Holland P.C., The Galactic Novae, ch.1 Statistics of Galactic NovaeCharlotte E. Moore, 1945, CoPri, No. 20, A Multiplet Table of Astrophysical InterestHellier, C., 2001, Springer, Cataclysmic Variable Stars, ch.11 Nova EruptionS. Kiyota, T. Kato and H. Yamaoka, 2004, PASJ, 56, S193-S211L.L. Kiss and J.R. Thomson, 200, Astron. Astrophys, L9-L12Richard O. Gray and Christopher J. Corbally, 2009, Princeton, Stellar Spectral Classification, ch. 12.3 NovaeWilliams, R.E., 1992, A. J., 104, 725-733, 2002, , , 6.6