TY - JOUR
T1 - Post-eruption detection of variable 12 in NGC 2403 (SN 1954j)
T2 - Another η Carinae variable
AU - Smith, Nathan
AU - Humphreys, Roberta M.
AU - Gehrz, Robert D.
PY - 2001/6
Y1 - 2001/6
N2 - We have obtained optical and near-infrared imaging photometry of the irregular variable V12 in NGC 2403 (SN 1954j), roughly 50 years after its giant eruption. The observations confirm that the star survived the event and that it was therefore not a peculiar supernova but instead was an η Carinae-like eruption. Variable 12 is now very faint and red, which could be due to extinction and reddening of a hot star by circumstellar dust that formed in ejecta from the giant eruption in 1954. A clear excess at ∼2 μm probably indicates thermal emission from hot circumstellar dust.
AB - We have obtained optical and near-infrared imaging photometry of the irregular variable V12 in NGC 2403 (SN 1954j), roughly 50 years after its giant eruption. The observations confirm that the star survived the event and that it was therefore not a peculiar supernova but instead was an η Carinae-like eruption. Variable 12 is now very faint and red, which could be due to extinction and reddening of a hot star by circumstellar dust that formed in ejecta from the giant eruption in 1954. A clear excess at ∼2 μm probably indicates thermal emission from hot circumstellar dust.
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U2 - 10.1086/320812
DO - 10.1086/320812
M3 - Article
AN - SCOPUS:0035379502
SN - 0004-6280
VL - 113
SP - 692
EP - 696
JO - Publications of the Astronomical Society of the Pacific
JF - Publications of the Astronomical Society of the Pacific
IS - 784
ER -