Supernovae at distances <40 Mpc - I. Catalogues and fractions of supernovae in a complete sample

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Volume 698 (May 2025)

A&A, 698 (2025) A305

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Table 3

Fractions of subtypes of SNe.

Type	Observed fraction	Bias-corrected fraction
Ia	32.7%	${30.4}_{- 11.5}^{+ 3.7} %$ $30.4^{+3.7}_{-11.5}\%$
Ibc	15.9%	${16.3}_{- 7.4}^{+ 3.7} %$ $16.3^{+3.7}_{-7.4}\%$
II	51.4%	${53.3}_{- 18.7}^{+ 9.5} %$ $53.3^{+9.5}_{-18.7}\%$
SLSN	0%	$< {0.4}_{- 0.4}^{+ 0.4} %$ ${<} 0.4^{+0.4}_{-0.4}\%$
normal Ia	71.0%	${70.3}_{- 9.4}^{+ 6.4} %$ $70.3^{+6.4}_{-9.4}\%$
91bg-like	14.5%	${16.2}_{- 5.6}^{+ 5.1} %$ $16.2^{+5.1}_{-5.6}\%$
91T-like	5.8%	${5.4}_{- 3.8}^{+ 3.6} %$ $5.4^{+3.6}_{-3.8}\%$
02cx-like	7.3%	${6.8}_{- 3.4}^{+ 4.0} %$ $6.8^{+4.0}_{-3.4}\%$
Ia-SC	1.5%	${1.4}_{- 2.7}^{+ 2.6} %$ $1.4^{+2.6}_{-2.7}\%$
02es-like	0%	$< {1.3}_{- 1.3}^{+ 1.3} %$ ${<} 1.3^{+1.3}_{-1.3}\%$
Ib	20.6%	${20.6}_{- 10.3}^{+ 6.5} %$ $20.6^{+6.5}_{-10.3}\%$
Ibn	8.8%	${8.8}_{- 4.8}^{+ 2.5} %$ $8.8^{+2.5}_{-4.8}\%$
Ic	38.2%	${39.0}_{- 8.2}^{+ 10.2} %$ $39.0^{+10.2}_{-8.2}\%$
Ic-BL	17.7%	${18.0}_{- 9.1}^{+ 6.8} %$ $18.0^{+6.8}_{-9.1}\%$
Ib/c	14.7%	${13.5}_{- 7.3}^{+ 7.1} %$ $13.5^{+7.1}_{-7.3}\%$
IIP	70.6%	${68.5}_{- 7.5}^{+ 4.5} %$ $68.5^{+4.5}_{-7.5}\%$
IIL	7.3%	${8.5}_{- 3.3}^{+ 3.0} %$ $8.5^{+3.0}_{-3.3}\%$
IIb	11.9%	${12.5}_{- 3.5}^{+ 2.6} %$ $12.5^{+2.6}_{-3.5}\%$
IIn	6.4%	${7.4}_{- 2.8}^{+ 2.6} %$ $7.4^{+2.6}_{-2.8}\%$
87A-like	2.8%	${2.3}_{- 2.1}^{+ 2.1} %$ $2.3^{+2.1}_{-2.1}\%$
II	0.9%	${0.8}_{- 0.8}^{+ 1.3} %$ $0.8^{+1.3}_{-0.8}\%$

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