2018big

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Information

Transient

Name: 2018big
Right ascension: 17h25m39.16s
Declination: 59d26m48.41s
Discovery Date: None
Classification: SNIa
Redshift: 0.018150
MW E(B-V): 0.026

Host

Name: 2018big
Right ascension: 17h25m38.42s
Declination: 59d26m48.12s
Redshift: 0.018154
Photometric Redshift: 0.035
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.99
Cutout download processed 14.44
Global aperture construction processed 0.63
Local aperture photometry processed 4.88
Global aperture photometry processed 4.82
Validate local photometry processed 0.02
Validate global photometry processed 14.96
Host information processed 0.08
Global host SED inference processed 397.44
Local host SED inference processed 458.16
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
Log transient processing status processed None
 

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) = 17h25m39.16s, 59d26m48.41s
semi major axis, semi minor axis (arcsec) = 5.43, 5.43
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 40.99 0.39 19.868 0.010
GALEX_NUV 58.22 0.29 19.487 0.005
SDSS_u 130.9 4.56 18.608 0.038
SDSS_g 325.43 4.88 17.619 0.016
PanSTARRS_g 326.15 1.3 17.616 0.004
SDSS_r 457.22 6.01 17.250 0.014
PanSTARRS_r 452.36 1.49 17.261 0.004
SDSS_i 547.3 7.22 17.054 0.014
PanSTARRS_i 525.11 1.97 17.099 0.004
PanSTARRS_z 605.42 4.59 16.945 0.008
SDSS_z 619.85 16.68 16.919 0.029
PanSTARRS_y 686.94 9.41 16.808 0.015
2MASS_J 537.45 138.86 16.179 0.281
2MASS_H 772.72 214.25 15.312 0.301
2MASS_K 464.78 205.59 15.394 0.480

Aperture details

RA, DEC (J2000) = 17h25m38.36s, 59d26m48.29s
semi major axis, semi minor axis (arcsec) = 35.02, 6.26
angle (degrees, anti-clockwise from east) = -89.01

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
GALEX_FUV 208.15 0.91 18.104 0.005
GALEX_NUV 290.91 0.7 17.741 0.003
SDSS_u 511.63 11.51 17.128 0.024
SDSS_g 1189.69 9.79 16.211 0.009
PanSTARRS_g 1228.58 3.51 16.176 0.003
SDSS_r 1595.07 12.2 15.893 0.008
PanSTARRS_r 1621.82 3.97 15.875 0.003
SDSS_i 1862.35 15.56 15.725 0.009
PanSTARRS_i 1820.31 5.24 15.750 0.003
PanSTARRS_z 2000.84 12.12 15.647 0.007
SDSS_z 2043.67 43.75 15.624 0.023
PanSTARRS_y 2252.93 24.9 15.518 0.012
2MASS_J 2066.51 433.39 14.717 0.228
2MASS_H 1966.75 663.62 14.298 0.366
2MASS_K 805.87 641.98 14.797 0.865
WISE_W1 1068.78 35.14 13.629 0.036
WISE_W2 651.84 39.33 13.526 0.066
WISE_W3 1478.85 147.78 10.801 0.108
WISE_W4 1520.33 831.75 9.325 0.594
 

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})\, 8.444 8.660 8.826
{\rm log}_{10}({\rm SFR}) -1.148 -0.682 -0.256
{\rm log}_{10}({\rm sSFR}) -9.846 -9.345 -8.822
{\rm stellar\ age} 1.991 5.532 7.436

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.512 -0.840 -0.436
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.736 -0.354 0.280

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.199 0.568 0.917
\delta -0.435 -0.079 0.139
\tau_1/\tau_2 0.663 1.050 1.445
Q_{PAH} 0.521 1.590 3.203
U_{min} 2.697 8.355 16.152
{\rm log}_{10}(\gamma_e)\, -3.409 -2.236 -1.264

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.174 -2.481 -1.110
{\rm log}_{10}(\tau_{AGN})\, 0.948 1.330 1.835

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.751 -1.350 -1.020
0.03-0.10 Gyr -1.073 -0.549 -0.110
0.10-0.33 Gyr -1.293 -0.697 -0.220
0.33-1.10 Gyr -2.093 -1.232 -0.879
1.10-3.66 Gyr -2.234 -1.335 -1.020
3.66-12.16 Gyr -2.862 -1.462 -1.129
12.16-13.52 Gyr -2.893 -1.456 -0.839

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.884 9.062 9.196
{\rm log}_{10}({\rm SFR}) -0.701 -0.333 -0.049
{\rm log}_{10}({\rm sSFR}) -9.796 -9.430 -9.050
{\rm stellar\ age} 3.265 5.706 7.156

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.970 -0.666 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.672 -0.174 0.318

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.104 0.201 0.366
\delta -0.638 -0.283 0.051
\tau_1/\tau_2 0.667 1.049 1.408
Q_{PAH} 0.341 0.931 1.983
U_{min} 2.791 7.700 14.605
{\rm log}_{10}(\gamma_e)\, -3.403 -2.539 -1.766

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.085 -3.017 -2.203
{\rm log}_{10}(\tau_{AGN})\, 0.950 1.333 1.800

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.395 -0.960 -0.742
0.03-0.10 Gyr -0.624 -0.205 0.101
0.10-0.33 Gyr -0.562 -0.203 0.128
0.33-1.10 Gyr -1.320 -0.766 -0.462
1.10-3.66 Gyr -1.390 -0.910 -0.661
3.66-12.16 Gyr -1.591 -0.994 -0.738
12.16-13.52 Gyr -1.735 -0.984 -0.512