1997by

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Information

Transient

Name: 1997by
Right ascension: 13h27m27.54s
Declination: -27d19m21.68s
Discovery Date: None
Classification: SNIa
Redshift: 0.045200
MW E(B-V): 0.046

Host

Name: IC4252
Right ascension: 13h27m28.04s
Declination: -27d19m28.86s
Redshift: 0.044841
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.24
Transient MWEBV processed 0.05
Host match processed 4.9
Host information processed 0.18
Host MWEBV processed 0.06
Global aperture construction processed 0.68
Global aperture photometry processed 3.98
Validate global photometry processed 9.84
Global host SED inference failed 391.21
Local aperture photometry processed 3.67
Validate local photometry processed 0.02
Local host SED inference processed 459.11
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 13h27m27.54s, -27d19m21.68s
semi major axis, semi minor axis (arcsec) = 2.27, 2.27
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 148.13 0.73 18.473 0.005 AB
PanSTARRS_r 311.93 0.99 17.665 0.003 AB
PanSTARRS_i 462.71 1.24 17.237 0.003 AB
PanSTARRS_z 600.22 1.82 16.954 0.003 AB
PanSTARRS_y 738.5 4.47 16.729 0.007 AB

Aperture details

RA, DEC (J2000) = 13h27m28.00s, -27d19m28.67s
semi major axis, semi minor axis (arcsec) = 31.77, 19.56
angle (degrees, anti-clockwise from east) = -43.82

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 78.64 8.85 19.161 0.122 AB
GALEX_NUV 86.87 8.62 19.053 0.108 AB
PanSTARRS_g 8597.77 7.89 14.064 0.001 AB
PanSTARRS_r 18240.45 10.55 13.247 0.001 AB
PanSTARRS_i 26664.22 13.36 12.835 0.001 AB
PanSTARRS_z 34942.73 19.47 12.542 0.001 AB
PanSTARRS_y 42558.13 48.46 12.328 0.001 AB
2MASS_J 55082.67 578.58 11.153 0.011 Vega
2MASS_H 70028.54 709.07 10.419 0.011 Vega
2MASS_K 58058.99 1108.0 10.153 0.021 Vega
WISE_W1 28917.82 193.35 10.048 0.007 Vega
 

Imaging data

 

Spectral Energy Distribution

Click the image to load the interactive plot.


Warning: possible contaminating objects in the global aperture
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.777 9.906 10.024
{\rm log}_{10}({\rm SFR}) -1.757 -0.805 -0.114
{\rm log}_{10}({\rm sSFR}) -11.722 -10.741 -9.916
{\rm stellar\ age} 6.233 7.875 11.523

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.406 -0.775 -0.345
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.737 -0.481 0.295

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.433 1.011 1.413
\delta -0.526 -0.181 0.184
\tau_1/\tau_2 0.601 0.986 1.372
Q_{PAH} 0.767 2.538 4.812
U_{min} 2.805 7.714 14.749
{\rm log}_{10}(\gamma_e)\, -3.449 -2.190 -0.867

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.201 -2.550 -0.308
{\rm log}_{10}(\tau_{AGN})\, 0.942 1.387 1.838

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.971 -0.865 -0.183
0.03-0.10 Gyr -2.094 -0.907 -0.079
0.10-0.33 Gyr -2.339 -0.862 -0.116
0.33-1.09 Gyr -2.617 -0.838 -0.132
1.09-3.59 Gyr -2.554 -0.475 0.029
3.59-11.84 Gyr -1.014 -0.066 0.160
11.84-13.16 Gyr -0.509 0.238 1.044

Global parameter details

Documentation

Data not available