2001hb

This supernova was discovered at the time of countryside SCP 2001 thanks to instrument MOSAICII of the CTIO. It was discovered on April 18, then confirmed on April 20.

Its spectral identification and the measurement of its redshift (1.05) was obtained thanks to instrument ESI of the KECK (B.21 figure ).

This supernova was discovered before its maximum of luminosity and gained from 4 points from space follow-up out of I and 1 point in Z, as well as 2 points out of I FORS1 of the VLT (table B.28 ).

**Appear B.21:** Spectrum of 2001hb. This spectrum was observed by the Keck telescope using the ' instrument of the spectrograph scale ESI on April 25, 2001. The duration is 7100 seconds. To note, the spectrum was smoothed to emphasize the lines characteristic of the supernova (broad lines) to the detriment of possible fine lines of the galaxy host.
$\begin{figure}\it \begin{center} \epsfig{file=Images/2001hbspectre, width=12cm} \end{center}\end{figure}$

B.27 table: Summary of the observations of 2001hb.

Telescope	Instrument	Go back to observationa	filter	Expositionb	seeingc
CTIO	CtioMosaic2	51997.19	I	5400	0.79
CTIO	CtioMosaic2	51998.17	I	7200	0.98
CTIO	CtioMosaic2	52018.21	I	18900	1.11
CTIO	CtioMosaic2	52020.15	I	7200	0.97
Vlt	VltFors1	52086.00	I	1599	0.85
Vlt	VltFors1	52087.00	I	2399	0.80
CTIO	CtioMosaic2	52382.16 $\dag$	I	6300	1.04
CTIO	CtioMosaic2	52405.22 $\dag$	I	4500	0.86

aDate Julienne $\dag$ Images of reference without the supernova.

**Appear B.22:** Supernova 2001hb in band I observed by the Hubble telescope on the left and the CTIO on the right, the magnitudes of some objects of the field are presented in B.29 table .

B.28 table: Summary of the observations with the space telescope Hubble of 2001hb.

Instrument	Go back to observationa	filtreb	Exposure C
HstWfpc2	52040.65	F814W	4700
HstWfpc2	52051.48	F814W	4700
HstWfpc2	52064.73	F814W	7100
HstWfpc2	52078.57	F814W	7200
HstWfpc2	52036.56	F850LP	7100

aDate Julienne $-2\, 400\, 000$ corn name corresponds to the average wavelength of the filter in Nm cen second

B.29 table: Magnitudes of some stars of the field of 2001hb.

Stars	I	R
With	22.34 $\pm$ 0.07	-
B	22.36 $\pm$ 0.05	-
C	22.60 $\pm$ 0.04	-
D	21.11 $\pm$ 0.05	-
E	23.26 $\pm$ 0.08	-
G	19.60 $\pm$ 0.04	-
I	20.63 $\pm$ 0.03	-

B.30 table: Curve of light of 2001hb in band I

Phase $\dag$	I $\ddag$
52040.65(0.01)	23.69(0.04)b
52051.49(0.01)	23.95(0.05)b
52064.73(0.01)	24.42(0.06)b
52078.58(0.01)	25.25(0.13)b
52087.00(0.01)	25.18(0.29)c
52086.00(0.01)	27.01(1.49)c
52020.10(0.01)	24.16(0.12)a
52018.20(0.01)	24.32(0.11)a

$\ddag$ standard Magnitude in filter I aObservations with the CTIO bObservations with HST OBSERVATIONS with the VLT

B.31 table: Curve of light of 2001hb in band Z the points all are measured with the HST.

Phase $\dag$	Z $\ddag$
52036.57(0.01)	23.44(0.11)

$\ddag$ standard Magnitude in filter Z

**Appear B.23:** Curves of light of 2001hb in standard magnitudes in the filters R and I
$\begin{figure}\it\begin{center} \epsfig{file=Images/2001hb_LC_I.eps, width=12cm}... ...sfig{file=Images/2001hb_LC_Z.eps, width=12cm}\vskip 2cm \end{center}\end{figure}$

**Appear B.24:** Curves of light of 2001hb in standard fluxes in the filters R and I
$\begin{figure}\it\begin{center} \epsfig{file=Images/2001hb_LC_flux_I.eps, width=... ...file=Images/2001hb_LC_flux_Z.eps, width=12cm}\vskip 2cm \end{center}\end{figure}$