2018how

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Information

Transient

Name: 2018how
Right ascension: 23h26m12.72s
Declination: -25d44m24.32s
Discovery Date: None
Classification: Ia
Redshift: 0.051300
MW E(B-V): 0.019

Host

Name: 2018how
Right ascension: 23h26m12.70s
Declination: -25d44m24.31s
Redshift: 0.051300
Photometric Redshift: 0.093
 

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 1.87
Cutout download processed 2.92
Global aperture construction processed 0.66
Local aperture photometry processed 4.17
Global aperture photometry processed 4.14
Validate local photometry processed 0.02
Validate global photometry processed 12.09
Host information processed 0.09
Global host SED inference processed 394.91
Local host SED inference processed 395.08
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.04
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) = 23h26m12.72s, -25d44m24.32s
semi major axis, semi minor axis (arcsec) = 2.0, 2.0
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 69.55 0.6 19.294 0.009 AB
PanSTARRS_r 103.2 0.69 18.866 0.007 AB
PanSTARRS_i 133.98 0.75 18.582 0.006 AB
PanSTARRS_z 136.29 1.79 18.564 0.014 AB
PanSTARRS_y 154.43 3.8 18.428 0.027 AB

Aperture details

RA, DEC (J2000) = 23h26m12.69s, -25d44m24.04s
semi major axis, semi minor axis (arcsec) = 5.06, 3.63
angle (degrees, anti-clockwise from east) = -1.73

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.01 3.92 20.959 0.284 AB
PanSTARRS_g 109.75 1.25 18.799 0.012 AB
PanSTARRS_r 168.31 1.42 18.335 0.009 AB
PanSTARRS_i 220.76 1.55 18.040 0.008 AB
PanSTARRS_z 219.92 3.74 18.044 0.018 AB
PanSTARRS_y 270.17 7.97 17.821 0.032 AB
2MASS_J 230.57 112.65 17.098 0.530 Vega
2MASS_H 434.9 170.33 15.936 0.425 Vega
2MASS_K 466.47 192.01 15.390 0.447 Vega
WISE_W1 107.6 8.75 16.121 0.088 Vega
WISE_W2 52.03 12.85 16.270 0.268 Vega
WISE_W3 39.58 65.27 14.732 1.791 Vega
WISE_W4 -152.03 510.05 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})\, 9.041 9.152 9.265
{\rm log}_{10}({\rm SFR}) -1.425 -0.836 -0.408
{\rm log}_{10}({\rm sSFR}) -10.595 -9.993 -9.572
{\rm stellar\ age} 5.330 7.143 8.745

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.752 -1.351 -0.898
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.680 -0.205 0.267

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.176 0.499 0.833
\delta -0.449 -0.029 0.250
\tau_1/\tau_2 0.759 1.116 1.451
Q_{PAH} 0.621 2.073 4.700
U_{min} 2.870 7.887 15.089
{\rm log}_{10}(\gamma_e)\, -3.116 -2.018 -0.919

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.525 -1.352 -0.421
{\rm log}_{10}(\tau_{AGN})\, 0.961 1.357 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.504 -1.039 -0.682
0.03-0.10 Gyr -1.538 -0.789 -0.299
0.10-0.33 Gyr -1.705 -0.908 -0.402
0.33-1.08 Gyr -1.796 -1.092 -0.576
1.08-3.57 Gyr -1.597 -0.943 -0.650
3.57-11.76 Gyr -1.126 -0.762 -0.578
11.76-13.07 Gyr -1.294 -0.685 -0.101

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.299 9.377 9.460
{\rm log}_{10}({\rm SFR}) -1.304 -0.938 -0.654
{\rm log}_{10}({\rm sSFR}) -10.694 -10.332 -10.055
{\rm stellar\ age} 6.705 7.708 9.458

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.475 -1.119 -0.839
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.015 0.195 0.352

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.110 0.230 0.368
\delta -0.404 -0.012 0.240
\tau_1/\tau_2 0.617 0.962 1.301
Q_{PAH} 0.685 2.032 4.015
U_{min} 3.071 8.324 15.157
{\rm log}_{10}(\gamma_e)\, -2.445 -1.520 -0.604

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.270 -3.388 -2.254
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.584 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.273 -1.013 -0.808
0.03-0.10 Gyr -1.447 -0.920 -0.563
0.10-0.33 Gyr -1.674 -1.012 -0.668
0.33-1.08 Gyr -1.618 -1.055 -0.742
1.08-3.57 Gyr -1.436 -0.834 -0.524
3.57-11.76 Gyr -0.744 -0.501 -0.369
11.76-13.07 Gyr -0.831 -0.339 0.253