2018eph

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Information

Transient

Name: SN2018eph
Right ascension: 4h55m50.11s
Declination: -61d45m24.84s
Discovery Date: Aug. 4, 2018, 9:21 a.m.
Classification: SN II
Redshift: 0.030000
MW E(B-V): 0.021

Host

Name: 2018eph
Right ascension: 4h55m50.29s
Declination: -61d45m22.23s
Redshift: 0.029000
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
not enough filters
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 0.89
Cutout download processed 1.55
Global aperture construction processed 0.15
Local aperture photometry processed 0.97
Global aperture photometry processed 0.94
Validate local photometry processed 0.01
Validate global photometry processed 0.93
Host information processed 0.09
Global host SED inference processed 625.97
Local host SED inference not enough filters 19.91
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status blocked N/A N/A
 

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) = 4h55m50.11s, -61d45m24.84s
semi major axis, semi minor axis (arcsec) = 3.44, 3.44
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
2MASS_J 1035.27 73.34 15.467 0.077 Vega
2MASS_H 939.93 109.04 15.100 0.126 Vega
2MASS_K 953.17 148.16 14.614 0.169 Vega

Aperture details

RA, DEC (J2000) = 4h55m50.39s, -61d45m21.17s
semi major axis, semi minor axis (arcsec) = 16.95, 8.62
angle (degrees, anti-clockwise from east) = -152.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 158.44 9.57 18.400 0.066 AB
GALEX_NUV 231.7 6.68 17.988 0.031 AB
WISE_W1 2381.58 20.25 12.759 0.009 Vega
WISE_W2 1465.42 22.18 12.646 0.016 Vega
WISE_W3 3700.42 61.13 9.805 0.018 Vega
WISE_W4 4064.25 433.66 8.258 0.116 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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})\, 9.785 9.995 10.162
{\rm log}_{10}({\rm SFR}) -0.439 -0.073 0.364
{\rm log}_{10}({\rm sSFR}) -10.466 -10.053 -9.510
{\rm stellar\ age} 5.378 7.879 11.627

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.771 -0.268 0.046
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.397 -0.611 0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.288 0.531
\delta -0.616 -0.114 0.198
\tau_1/\tau_2 0.236 0.643 1.143
Q_{PAH} 0.307 0.999 2.564
U_{min} 2.427 7.027 13.710
{\rm log}_{10}(\gamma_e)\, -3.656 -3.009 -2.082

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.068 -2.823 -1.966
{\rm log}_{10}(\tau_{AGN})\, 0.880 1.225 1.764

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.515 -0.030 0.258
0.03-0.10 Gyr -1.103 -0.179 0.479
0.10-0.33 Gyr -2.365 -0.711 0.042
0.33-1.10 Gyr -2.628 -0.676 0.054
1.10-3.63 Gyr -2.029 -0.364 0.140
3.63-12.03 Gyr -0.877 -0.069 0.227
12.03-13.37 Gyr -0.556 0.263 1.173