2018byw results

Information

Transient
Name:2018byw
Right ascension: 21h38m16.82s
Declination:-27d33m28.15s
Discovery Date:None
Classification:Ia
Redshift:0.029990
MW E(B-V):0.031
Host
Name:2018byw
Right ascension: 21h38m16.86s
Declination:-27d33m28.05s
Redshift:0.029991
Photometric Redshift:0.029
 

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 4.75
Transient MWEBV processed 0.07
Host match processed 3.06
Host information processed 0.09
Host MWEBV processed 0.05
Global aperture construction processed 0.67
Global aperture photometry processed 4.21
Validate global photometry processed 12.41
Global host SED inference processed 471.78
Local aperture photometry processed 4.36
Validate local photometry processed 0.02
Local host SED inference processed 570.34
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):21h38m16.82s, -27d33m28.15s
semi major axis, semi minor axis (arcsec):3.33, 3.33
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 1077.76 0.98 16.319 0.001 AB
PanSTARRS_r 2114.82 1.34 15.587 0.001 AB
PanSTARRS_i 3032.7 1.29 15.195 0.000 AB
PanSTARRS_z 3925.96 2.79 14.915 0.001 AB
PanSTARRS_y 4546.45 6.57 14.756 0.002 AB
2MASS_J 5233.9 69.72 13.708 0.014 Vega
2MASS_H 6551.72 106.71 12.992 0.018 Vega
2MASS_K 5388.13 126.09 12.734 0.025 Vega

Aperture details

RA, DEC (J2000):21h38m16.85s, -27d33m27.93s
semi major axis, semi minor axis (arcsec):15.92, 14.48
angle (degrees, anti-clockwise from east):-173.53
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.93 0.97 21.651 0.132 AB
GALEX_NUV 33.88 1.24 20.075 0.040 AB
PanSTARRS_g 2690.8 3.5 15.325 0.001 AB
PanSTARRS_r 5251.93 4.74 14.599 0.001 AB
PanSTARRS_i 7531.26 4.75 14.208 0.001 AB
PanSTARRS_z 9473.68 10.93 13.959 0.001 AB
PanSTARRS_y 11170.5 29.2 13.780 0.003 AB
2MASS_J 13209.05 304.74 12.703 0.025 Vega
2MASS_H 15734.61 477.93 12.040 0.033 Vega
2MASS_K 13254.89 572.1 11.756 0.047 Vega
WISE_W1 5918.03 56.59 11.771 0.010 Vega
WISE_W2 3275.48 55.91 11.773 0.019 Vega
WISE_W3 530.42 170.02 11.914 0.348 Vega
WISE_W4 -489.53 691.03 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.991 10.198 10.340
{\rm log}_{10}({\rm SFR}) -3.595 -1.336 -0.094
{\rm log}_{10}({\rm sSFR}) -13.778 -11.494 -10.181
{\rm stellar\ age} 3.978 7.394 10.323

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.008 -0.515 -0.283
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.661 -0.772 -0.013

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.292 0.629 1.009
\delta -0.842 -0.523 -0.108
\tau_1/\tau_2 0.587 0.986 1.389
Q_{PAH} 0.356 2.442 5.449
U_{min} 3.217 8.811 16.657
{\rm log}_{10}(\gamma_e)\, -3.167 -1.349 -0.477

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.409 -3.163 -1.220
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.422 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.947 -1.320 -0.159
0.03-0.10 Gyr -4.200 -1.531 -0.071
0.10-0.33 Gyr -3.343 -1.142 0.317
0.33-1.10 Gyr -2.627 -0.462 0.419
1.10-3.63 Gyr -1.658 0.053 0.488
3.63-12.02 Gyr -1.113 0.135 0.468
12.02-13.35 Gyr -0.986 0.292 1.201

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.587 10.651 10.766
{\rm log}_{10}({\rm SFR}) -2.305 -1.489 -0.856
{\rm log}_{10}({\rm sSFR}) -13.039 -12.143 -11.479
{\rm stellar\ age} 7.772 8.965 12.560

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.717 -0.580 -0.463
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.536 -0.810 0.041

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.124 0.229 0.353
\delta -0.861 -0.611 -0.237
\tau_1/\tau_2 0.586 0.964 1.366
Q_{PAH} 0.156 0.481 1.274
U_{min} 3.477 8.844 16.381
{\rm log}_{10}(\gamma_e)\, -2.488 -1.621 -1.087

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.505 -3.762 -2.944
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.594 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.182 -1.784 -0.997
0.03-0.10 Gyr -2.572 -1.510 -0.828
0.10-0.33 Gyr -2.659 -1.429 -0.655
0.33-1.10 Gyr -2.667 -1.188 -0.273
1.10-3.63 Gyr -2.360 -0.604 0.426
3.63-12.02 Gyr -0.847 0.696 0.888
12.02-13.35 Gyr 0.462 1.181 1.881