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

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

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.444	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