2005A&A...429..559S


C.D.S. - SIMBAD4 rel 1.7 - 2020.09.28CEST20:46:15

2005A&A...429..559S - Astronomy and Astrophysics, volume 429, 559-567 (2005/1-2)

Diffuse Interstellar Bands in NGC 1448.

SOLLERMAN J., COX N., MATTILA S., EHRENFREUND P., KAPER L., LEIBUNDGUT B. and LUNDQVIST P.

Abstract (from CDS):

We present spectroscopic VLT/UVES observations of two emerging supernovae, the Type Ia SN 2001el and the Type II SN 2003hn, in the spiral galaxy NGC 1448. Our high resolution and high signal-to-noise spectra display atomic lines of CaII, NaI, TiII and KI in the host galaxy. In the line of sight towards SN 2001el, we also detect over a dozen diffuse interstellar bands (DIBs) within NGC 1448. These DIBs have strengths comparable to low reddening galactic lines of sight, albeit with some variations. In particular, a good match is found with the line of sight towards the σ type diffuse cloud (HD 144217). The DIBs towards SN 2003hn are significantly weaker, and this line of sight has also lower sodium column density. The DIB central velocities show that the DIBs towards SN 2001el are closely related to the strongest interstellar Caii and Nai components, indicating that the DIBs are preferentially produced in the same cloud. The ratio of the λ5797 and λ5780 DIB strengths (r∼0.14) suggests a rather strong UV field in the DIB environment towards SN 2001el. We also note that the extinction estimates obtained from the sodium lines using multiple line fitting agree with reddening estimates based on the colors of the Type Ia SN 2001el.

Abstract Copyright:

Journal keyword(s): supernovae: individual: SN 2001el, SN 2003hn - galaxies: individual: NGC 1448 - ISM: lines and bands - supernovae: general

VizieR on-line data: <Available at CDS (J/A+A/429/559): table3.dat fig2.ps fig4.ps>

Simbad objects: 19

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Number of rows : 19

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 SN 2000cx SN* 01 24 46.19 +09 30 31.3   13.3       SNIap 196 1
2 SN 2001el SN* 03 44 30.60 -44 38 23.4   12.81       SNIa 240 1
3 NGC 1448 GiG 03 44 31.915 -44 38 41.38   11.46   10.24 10.9 ~ 227 0
4 SN 2003hn SN* 03 44 36.1 -44 37 49     14.1     SNIIP 51 1
5 SN 2003bg SN* 04 10 59.42 -31 24 50.3     15.0     SNIc 122 1
6 HD 270754 s*b 04 47 04.4509246872 -67 06 53.119185546 10.351 11.219 11.26   10.992 B1.5Ia 62 0
7 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4516 2
8 HD 38029A WR* 05 36 54.633 -69 11 38.08           WC4 54 1
9 HD 38029 ** 05 36 55.17 -69 11 37.7 14.523 11.71 11.56 11.91 11.680 ~ 58 0
10 HD 38029B s*b 05 36 55.178 -69 11 37.47           B1Ia+ 54 1
11 HD 269896 s*b 05 37 49.1360518133 -68 55 01.642483154 11.338 9.493 11.449 11.49   ON9.7Ia+ 78 0
12 SN 1989M SN* 12 37 40.72 +11 49 25.5   12.56 12.2     SNIa 64 1
13 M 58 SyG 12 37 43.597 +11 49 05.12 10.80 10.48 9.66     ~ 976 2
14 NAME Centaurus A Sy2 13 25 27.61509104 -43 01 08.8056025   8.18 6.84 6.66   ~ 4020 3
15 SN 1986G SN* 13 25 36.46 -43 01 53.6   12.45 11.44     SNIapec 385 1
16 SN 1983N SN* 13 36 51.23 -29 54 01.7   11.7       SNIb 265 1
17 * bet01 Sco SB* 16 05 26.2319826 -19 48 19.630018 1.68 2.55 2.62 2.60 2.69 B1V 534 0
18 * zet Oph Be* 16 37 09.5390545 -10 34 01.529471 1.73 2.58 2.56 2.46 2.50 O9.2IVnn 1733 2
19 SN 2001ig SN* 22 57 30.69 -41 02 25.9     14.5     SNIIb 141 1

    Equat.    Gal    SGal    Ecl

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2020.09.28-20:46:15

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