2018how results

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
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 2.92
Transient MWEBV processed 0.05
Host match processed 1.87
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 4.14
Validate global photometry processed 12.09
Global host SED inference processed 394.91
Local aperture photometry processed 4.17
Validate local photometry processed 0.02
Local host SED inference processed 395.08
 

Imaging data


 

Spectral Energy Distribution



 

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
 

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