1997dt results

Information

Transient
Name:1997dt
Right ascension: 23h00m02.93s
Declination:15d58m50.92s
Discovery Date:None
Classification:SNIa
Redshift:0.007300
MW E(B-V):0.048
Host
Name:NGC7448
Right ascension: 23h00m03.59s
Declination:15d58m49.31s
Redshift:0.005159
Photometric Redshift:None
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
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_z
 WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 16.92
Transient MWEBV processed 0.05
Host match processed 4.17
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 3.29
Global aperture photometry processed 6.31
Validate global photometry processed 22.59
Global host SED inference failed 377.09
Local aperture photometry processed 6.73
Validate local photometry processed 0.02
Local host SED inference processed 642.91
 

Imaging data

 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):23h00m02.93s, 15d58m50.92s
semi major axis, semi minor axis (arcsec):18.79, 18.79
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 7858.21 32.28 14.162 0.004 AB
SDSS_g 19618.45 57.99 13.168 0.003 AB
DES_g 22640.97 23.19 13.013 0.001 AB
PanSTARRS_g 24265.27 14.32 12.938 0.001 AB
SDSS_r 35069.62 75.12 12.538 0.002 AB
PanSTARRS_r 38846.79 20.45 12.427 0.001 AB
DES_r 41167.12 27.54 12.364 0.001 AB
SDSS_i 46901.88 88.68 12.222 0.002 AB
PanSTARRS_i 49765.16 21.56 12.158 0.000 AB
PanSTARRS_z 60225.27 29.64 11.951 0.001 AB
SDSS_z 63314.26 112.84 11.896 0.002 AB
DES_z 62863.2 67.02 11.904 0.001 AB
PanSTARRS_y 74260.52 49.64 11.723 0.001 AB
2MASS_J 79458.17 421.22 10.755 0.006 Vega
2MASS_H 92649.57 587.44 10.115 0.007 Vega
2MASS_K 80374.95 802.15 9.799 0.011 Vega

Aperture details

RA, DEC (J2000):23h00m03.55s, 15d58m53.24s
semi major axis, semi minor axis (arcsec):46.09, 17.72
angle (degrees, anti-clockwise from east):-13.53
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 44486.22 18.97 12.279 0.000 AB
PanSTARRS_r 67346.11 28.3 11.829 0.000 AB
DES_r 66553.07 36.47 11.842 0.001 AB
SDSS_i 76784.55 117.63 11.687 0.002 AB
PanSTARRS_i 83126.64 28.59 11.601 0.000 AB
PanSTARRS_z 98838.88 40.44 11.413 0.000 AB
DES_z 97282.87 85.05 11.430 0.001 AB
PanSTARRS_y 120640.76 73.36 11.196 0.001 AB
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.597 9.789 9.940
{\rm log}_{10}({\rm SFR}) -0.132 0.293 0.714
{\rm log}_{10}({\rm sSFR}) -9.972 -9.500 -8.923
{\rm stellar\ age} 4.938 7.346 9.222

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.458 -0.712 -0.289
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.315 0.219 0.393

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.353 0.781 1.054
\delta -0.482 -0.149 0.174
\tau_1/\tau_2 0.657 1.027 1.424
Q_{PAH} 0.321 1.249 2.397
U_{min} 3.091 8.722 16.342
{\rm log}_{10}(\gamma_e)\, -3.083 -1.756 -0.821

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.340 -2.744 -1.153
{\rm log}_{10}(\tau_{AGN})\, 0.946 1.320 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.562 -0.227 0.034
0.03-0.10 Gyr -0.060 0.406 0.855
0.10-0.33 Gyr -1.141 -0.266 0.190
0.33-1.10 Gyr -1.664 -0.559 -0.140
1.10-3.66 Gyr -1.298 -0.412 0.003
3.66-12.14 Gyr -0.975 -0.201 0.025
12.14-13.49 Gyr -0.985 -0.033 0.602

Global parameter details

Documentation

Data not available