1998ew results

Information

Transient
Name:SN1998ew
Right ascension: 20h44m32.10s
Declination:-68d43m36.98s
Discovery Date:Nov. 23, 1998, midnight
Classification:SN II
Redshift:None
MW E(B-V):0.043
Host
Name:NGC6943
Right ascension: 20h44m33.74s
Declination:-68d44m51.98s
Redshift:0.007342
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
GALEX_FUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 4.12
Transient MWEBV processed 0.07
Host match processed 4.43
Host information processed 0.07
Host MWEBV processed 0.05
Global aperture construction processed 0.15
Global aperture photometry processed 0.91
Validate global photometry processed 1.36
Global host SED inference processed 645.9
Local aperture photometry processed 0.83
Validate local photometry processed 0.01
Local host SED inference failed 0.06
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):20h44m32.10s, -68d43m36.98s
semi major axis, semi minor axis (arcsec):13.24, 13.24
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV -8.55 1.99 AB
GALEX_NUV -11.97 1.64 AB
2MASS_J 137.11 346.66 17.662 2.745 Vega
2MASS_H 88.13 590.79 17.670 7.278 Vega
2MASS_K -185.09 556.15 Vega
WISE_W1 -403.48 278.4 Vega
WISE_W2 -109.45 163.6 Vega
WISE_W3 -355.47 285.52 Vega
WISE_W4 -407.05 1104.25 Vega

Aperture details

RA, DEC (J2000):20h44m33.72s, -68d44m51.74s
semi major axis, semi minor axis (arcsec):77.68, 31.37
angle (degrees, anti-clockwise from east):-63.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 901.42 16.91 16.513 0.020 AB
GALEX_NUV 1460.35 18.04 15.989 0.013 AB
2MASS_H 234793.64 2208.88 9.106 0.010 Vega
2MASS_K 190660.16 2079.6 8.862 0.012 Vega
WISE_W1 91598.09 3218.97 8.796 0.038 Vega
WISE_W2 51681.19 2072.59 8.778 0.044 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.498 10.600 10.713
{\rm log}_{10}({\rm SFR}) -0.902 -0.411 0.071
{\rm log}_{10}({\rm sSFR}) -11.492 -11.027 -10.532
{\rm stellar\ age} 7.795 9.683 12.704

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.863 -0.379 -0.116
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.201 -0.534 0.018

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.153 0.296 0.589
\delta -0.734 -0.374 -0.063
\tau_1/\tau_2 0.260 0.736 1.242
Q_{PAH} 0.217 0.986 2.831
U_{min} 2.417 7.396 14.926
{\rm log}_{10}(\gamma_e)\, -3.529 -2.297 -1.290

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.615 -3.859 -2.845
{\rm log}_{10}(\tau_{AGN})\, 1.176 1.733 2.026

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.137 -0.478 -0.017
0.03-0.10 Gyr -2.025 -0.555 0.151
0.10-0.33 Gyr -3.331 -0.858 -0.045
0.33-1.10 Gyr -3.931 -1.006 -0.060
1.10-3.65 Gyr -3.219 -0.716 0.336
3.65-12.11 Gyr -1.096 0.523 0.784
12.11-13.46 Gyr 0.455 1.301 1.823