2018erm

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Information

Transient

Name: AT2018erm
Right ascension: 20h43m43.96s
Declination: -1d14m19.96s
Discovery Date: Aug. 6, 2018, 11:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.058

Host

Name: 2018erm
Right ascension: 20h43m43.38s
Declination: -1d14m19.97s
Redshift: 0.056079
Photometric Redshift: 0.053
 

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
processed
 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 3.05
Cutout download processed 15.81
Global aperture construction processed 0.7
Local aperture photometry processed 6.96
Global aperture photometry processed 6.99
Validate local photometry processed 0.03
Validate global photometry processed 18.49
Host information processed 0.09
Global host SED inference processed 810.77
Local host SED inference processed 466.04
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
Processing status completed 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) = 20h43m43.96s, -1d14m19.96s
semi major axis, semi minor axis (arcsec) = 1.84, 1.84
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 9.68 1.54 21.436 0.172 AB
SDSS_g 28.79 1.56 20.252 0.059 AB
DES_g 79.15 0.37 19.154 0.005 AB
PanSTARRS_g 28.88 0.39 20.248 0.015 AB
SDSS_r 41.77 1.97 19.848 0.051 AB
PanSTARRS_r 40.42 0.43 19.883 0.011 AB
SDSS_i 52.85 2.39 19.592 0.049 AB
PanSTARRS_i 50.35 0.54 19.645 0.012 AB
PanSTARRS_z 56.82 1.26 19.514 0.024 AB
SDSS_z 49.81 6.02 19.657 0.131 AB
DES_z 60.88 1.51 19.439 0.027 AB
PanSTARRS_y 61.83 3.65 19.422 0.064 AB

Aperture details

RA, DEC (J2000) = 20h43m43.40s, -1d14m19.63s
semi major axis, semi minor axis (arcsec) = 16.67, 13.94
angle (degrees, anti-clockwise from east) = -131.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 450.75 12.49 17.265 0.030 AB
SDSS_g 1295.55 11.12 16.119 0.009 AB
DES_g 1398.9 1.75 16.036 0.001 AB
PanSTARRS_g 1226.72 3.16 16.178 0.003 AB
SDSS_r 2026.44 14.57 15.633 0.008 AB
PanSTARRS_r 1958.63 3.5 15.670 0.002 AB
SDSS_i 2755.33 18.32 15.300 0.007 AB
PanSTARRS_i 2593.38 4.45 15.365 0.002 AB
PanSTARRS_z 2894.24 10.34 15.246 0.004 AB
PanSTARRS_y 2962.52 30.06 15.221 0.011 AB
2MASS_J 3525.3 345.57 14.137 0.106 Vega
2MASS_H 4965.09 556.76 13.293 0.122 Vega
2MASS_K 4343.31 581.1 12.968 0.145 Vega
WISE_W1 2106.4 51.52 12.892 0.027 Vega
WISE_W2 1302.12 51.51 12.774 0.043 Vega
WISE_W3 5889.63 237.84 9.301 0.044 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})\, 8.215 8.475 8.630
{\rm log}_{10}({\rm SFR}) -1.149 -0.811 -0.447
{\rm log}_{10}({\rm sSFR}) -9.727 -9.253 -8.680
{\rm stellar\ age} 3.587 5.748 7.139

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.518 -0.212 0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.977 -0.780 -0.598

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.048 0.152 0.330
\delta -0.684 -0.224 0.184
\tau_1/\tau_2 0.639 1.003 1.376
Q_{PAH} 0.886 3.013 5.511
U_{min} 3.392 8.437 15.416
{\rm log}_{10}(\gamma_e)\, -2.678 -1.364 -0.410

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.047 -0.995 -0.293
{\rm log}_{10}(\tau_{AGN})\, 1.145 1.611 1.998

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.970 -0.792 -0.576
0.03-0.10 Gyr -1.363 -0.829 -0.371
0.10-0.33 Gyr -1.726 -1.212 -0.846
0.33-1.08 Gyr -1.978 -1.391 -1.027
1.08-3.56 Gyr -2.012 -1.490 -1.201
3.56-11.71 Gyr -2.095 -1.544 -1.259
11.71-13.01 Gyr -2.323 -1.587 -1.074

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.321 10.455 10.623
{\rm log}_{10}({\rm SFR}) -0.840 0.443 1.008
{\rm log}_{10}({\rm sSFR}) -11.319 -9.999 -9.483
{\rm stellar\ age} 3.145 6.130 7.926

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.493 -1.063 -0.730
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.892 -1.358 0.047

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.246 0.400 0.578
\delta -0.421 0.058 0.316
\tau_1/\tau_2 0.559 0.974 1.373
Q_{PAH} 1.273 2.489 4.225
U_{min} 2.689 8.250 16.166
{\rm log}_{10}(\gamma_e)\, -3.260 -2.264 -1.515

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.156 -2.190 -1.675
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.387 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.820 -0.598 0.200
0.03-0.10 Gyr -1.059 0.543 1.168
0.10-0.33 Gyr -0.335 0.808 1.182
0.33-1.08 Gyr -1.887 0.279 0.706
1.08-3.56 Gyr -0.372 0.609 1.022
3.56-11.71 Gyr -1.074 0.373 0.715
11.71-13.01 Gyr -1.619 0.337 1.199