Optical Photometry of Type II-P Supernova 2004dj in NGC 2403
| dc.creator | Zhang, Tianmeng | |
| dc.creator | Wang, Xiaofeng | |
| dc.creator | Li, Weidong | |
| dc.creator | Zhou, Xu | |
| dc.creator | Ma, Jun | |
| dc.creator | Jiang, Zhaoji | |
| dc.creator | Chen, Jiansheng | |
| dc.date | 2005-12-21 | |
| dc.date.accessioned | 2026-07-07T11:25:07Z | |
| dc.date.available | 2026-07-07T11:25:07Z | |
| dc.description | We present photometric data of the type II-P supernova (SN) 2004dj in NGC 2403. The multicolor light curves cover the SN from $\sim$ 60 to 200 days after explosion, and are measured with a set of intermediate-band filters that have the advantage of tracing the strength variations of some spectral features. The light curves show a flat evolution in the middle of the plateau phase, then decline exponentially at the late times, with a rate of 0.10$\pm$0.03 mag (10 days)$^{-1}$ in most of the filters. In the nebular phase, the spectral energy distribution (SED) of SN 2004dj shows a steady increase in the flux near 6600 Åand 8500 Å, which may correspond to the emission lines of H$α$ and Ca II near-IR triplet, respectively. The photometric behavior suggests that SN 2004dj is a normal SN II-P. Compared with the light curves of another typical SN II-P 1999em, we estimate the explosion date to be June 10$\pm$21 UT, 2004 (JD 2453167$\pm$21) for SN 2004dj. We also estimate the ejected nickel mass during the explosion to be $M(^{56}\rm{Ni})$ = 0.023 $\pm$ 0.005 $M_{\odot}$ from two different methods, which is typical for a SN II-P. We derive the explosion energy $E \approx 0.75^{+0.56}_{-0.38}\times10^{51}$ erg, the ejecta mass $M \approx 10.0^{+7.4}_{-5.2}$ $M_{\odot}$, and the initial radius $R \approx 282^{+253}_{-122}$ $R_{\odot}$ for the presupernova star of SN 2004dj, which are consistent with other typical SNe II-P. | |
| dc.description | 15 pages, 9 figures, accepted for publication in AJ | |
| dc.identifier | https://arxiv.org/abs/astro-ph/0512526 | |
| dc.identifier | http://arxiv.org/abs/astro-ph/0512526 | |
| dc.identifier | Astron.J.131:2245-2255,2006 | |
| dc.identifier | doi:10.1086/500972 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/195412 | |
| dc.subject | Astrophysics | |
| dc.title | Optical Photometry of Type II-P Supernova 2004dj in NGC 2403 | |
| dc.type | text |