SIMBAD references

1998A&A...333..159M - Astronomy and Astrophysics, volume 333159-162 (1998/5-1)

Spectrophotometry of type Ib/c SN 1997X: HeI lines near maximum light.

MUNARI U., BARBON R., PIEMONTE A., TOMASELLA L. and REJKUBA M.

Abstract (from CDS):

Low resolution B&C+CCD (range 3600Å-1.0µm) and high resolution Echelle+CCD (range 5800-8100Å) spectrophotometry of type Ib/c SN 1997X near maximum light is presented and discussed. The supernova is notheworthy in having presented absorption lines of He I at early phases (at an expansion velocity of 11000km/s). From the interstellar NaI D lines a reddening of EB–V=0.18±0.02mag has been derived, which arises in the host galaxy. From the emission lines of the underlying H II region, a density of Ne≤100 and a velocity of RV☉=1098±3km/s are obtained.

Abstract Copyright: ∼

Journal keyword(s): supernovae: individual: SN 1997X - dust, extinction - galaxies: individual: NGC 4691

Simbad objects: 6

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