2017egm

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Information

Transient

Name: SN2017egm
Right ascension: 10h19m05.62s
Declination: 46d27m14.08s
Discovery Date: May 23, 2017, 9:40 p.m.
Classification: SLSN-I
Redshift: 0.030721
MW E(B-V): 0.010

Host

Name: 2017egm
Right ascension: 10h19m05.31s
Declination: 46d27m22.30s
Redshift: None
Photometric Redshift: 0.013
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.41
Cutout download processed 3.35
Global aperture construction processed 1.0
Local aperture photometry processed 3.53
Global aperture photometry processed 3.58
Validate local photometry processed 0.02
Validate global photometry processed 10.56
Host information processed 0.09
Global host SED inference processed 388.99
Local host SED inference processed 571.65
Transient information processed 0.0
Transient MWEBV processed 0.13
Host MWEBV processed 0.07
Log transient processing status processed None
 

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) = 10h19m05.62s, 46d27m14.08s
semi major axis, semi minor axis (arcsec) = 3.26, 3.26
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 576.03 0.99 16.999 0.002 AB
PanSTARRS_r 862.15 1.21 16.561 0.002 AB
PanSTARRS_i 1040.68 0.86 16.357 0.001 AB
PanSTARRS_z 1221.74 2.3 16.183 0.002 AB
PanSTARRS_y 1415.21 5.2 16.023 0.004 AB
2MASS_J 1830.51 73.29 14.849 0.043 Vega
2MASS_H 2073.66 127.5 14.241 0.067 Vega
2MASS_K 1796.66 103.01 13.926 0.062 Vega

Aperture details

RA, DEC (J2000) = 10h19m05.18s, 46d27m17.54s
semi major axis, semi minor axis (arcsec) = 29.06, 22.39
angle (degrees, anti-clockwise from east) = -174.07

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1247.19 37.59 16.160 0.033 AB
GALEX_NUV 1870.12 14.6 15.720 0.008 AB
PanSTARRS_g 9727.43 6.99 13.930 0.001 AB
PanSTARRS_r 13981.83 8.52 13.536 0.001 AB
PanSTARRS_i 16103.16 6.21 13.383 0.000 AB
PanSTARRS_z 18317.97 17.16 13.243 0.001 AB
PanSTARRS_y 20648.6 39.71 13.113 0.002 AB
2MASS_J 23528.54 601.35 12.076 0.028 Vega
2MASS_H 26241.45 1051.21 11.485 0.043 Vega
2MASS_K 23372.45 851.95 11.140 0.040 Vega
WISE_W1 14705.29 79.06 10.782 0.006 Vega
WISE_W2 10216.95 94.64 10.538 0.010 Vega
WISE_W3 73888.96 412.13 6.555 0.006 Vega
WISE_W4 142442.08 6435.67 4.396 0.049 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.297 9.532 9.708
{\rm log}_{10}({\rm SFR}) -1.035 -0.406 0.202
{\rm log}_{10}({\rm sSFR}) -10.653 -9.932 -9.160
{\rm stellar\ age} 2.158 5.972 8.070

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.271 -0.722 -0.325
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.800 -1.298 -0.015

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.235 0.669 1.001
\delta -0.513 -0.097 0.273
\tau_1/\tau_2 0.649 1.020 1.388
Q_{PAH} 0.659 2.689 4.980
U_{min} 2.998 8.194 15.860
{\rm log}_{10}(\gamma_e)\, -3.304 -1.911 -1.113

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.275 -2.685 -0.806
{\rm log}_{10}(\tau_{AGN})\, 0.916 1.371 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.075 -0.591 -0.111
0.03-0.10 Gyr -1.257 -0.410 0.302
0.10-0.33 Gyr -1.058 -0.244 0.375
0.33-1.10 Gyr -1.188 -0.375 0.036
1.10-3.63 Gyr -1.483 -0.458 -0.135
3.63-12.01 Gyr -1.793 -0.541 -0.191
12.01-13.34 Gyr -1.887 -0.526 0.129

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.326 10.556 10.716
{\rm log}_{10}({\rm SFR}) 0.868 1.260 1.573
{\rm log}_{10}({\rm sSFR}) -9.807 -9.314 -8.845
{\rm stellar\ age} 2.765 5.802 7.379

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.739 -0.378 -0.191
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.847 -1.576 -0.585

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.304 0.509 0.749
\delta -0.263 -0.057 0.131
\tau_1/\tau_2 0.737 1.095 1.436
Q_{PAH} 0.946 1.702 2.880
U_{min} 2.640 7.442 14.535
{\rm log}_{10}(\gamma_e)\, -3.013 -2.083 -1.610

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.268 -1.837 -1.391
{\rm log}_{10}(\tau_{AGN})\, 1.197 1.663 1.970

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.313 0.876 1.085
0.03-0.10 Gyr 0.863 1.362 1.707
0.10-0.33 Gyr 0.606 1.165 1.557
0.33-1.10 Gyr 0.129 0.671 0.993
1.10-3.63 Gyr -0.063 0.561 0.828
3.63-12.01 Gyr -0.283 0.513 0.816
12.01-13.34 Gyr -0.407 0.538 1.065