2018gn

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Information

Transient

Name: SN2018gn
Right ascension: 1h46m42.45s
Declination: 32d30m29.30s
Discovery Date: Jan. 14, 2018, 2:38 a.m.
Classification: SN II
Redshift: None
MW E(B-V): 0.035

Host

Name: 6523
Right ascension: 1h46m42.44s
Declination: 32d30m29.51s
Redshift: 0.037500
Photometric Redshift: 0.038

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	3.71
Cutout download	processed	31.02
Global aperture construction	processed	0.67
Local aperture photometry	processed	7.57
Global aperture photometry	processed	6.6
Validate local photometry	processed	0.02
Validate global photometry	processed	18.06
Host information	processed	0.16
Global host SED inference	processed	375.4
Local host SED inference	processed	575.96
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.06
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) = 1h46m42.45s, 32d30m29.30s
semi major axis, semi minor axis (arcsec) = 2.69, 2.69
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	194.81	4.3	18.176	0.024	AB
SDSS_g	597.04	6.39	16.960	0.012	AB
DES_g	740.19	1.84	16.727	0.003	AB
PanSTARRS_g	644.01	0.85	16.878	0.001	AB
SDSS_r	1136.39	8.88	16.261	0.008	AB
PanSTARRS_r	1164.24	0.97	16.235	0.001	AB
DES_r	1452.89	4.2	15.994	0.003	AB
SDSS_i	1558.42	10.55	15.918	0.007	AB
PanSTARRS_i	1571.65	1.2	15.909	0.001	AB
PanSTARRS_z	1913.55	2.28	15.695	0.001	AB
SDSS_z	1913.19	14.52	15.696	0.008	AB
DES_z	2293.55	12.15	15.499	0.006	AB
PanSTARRS_y	2291.39	4.23	15.500	0.002	AB

Aperture details

RA, DEC (J2000) = 1h46m42.42s, 32d30m29.17s
semi major axis, semi minor axis (arcsec) = 15.5, 11.33
angle (degrees, anti-clockwise from east) = -179.07

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	171.5	11.61	18.314	0.073	AB
GALEX_NUV	256.71	8.44	17.876	0.036	AB
SDSS_u	679.86	13.73	16.819	0.022	AB
SDSS_g	2224.82	12.81	15.532	0.006	AB
DES_g	2400.46	3.43	15.449	0.002	AB
PanSTARRS_g	2330.69	3.34	15.481	0.002	AB
SDSS_r	3829.01	17.71	14.942	0.005	AB
PanSTARRS_r	3903.55	3.27	14.921	0.001	AB
DES_r	4377.34	7.48	14.797	0.002	AB
SDSS_i	5187.29	22.4	14.613	0.005	AB
PanSTARRS_i	5153.18	4.83	14.620	0.001	AB
PanSTARRS_z	6111.05	10.28	14.435	0.002	AB
SDSS_z	6180.39	49.31	14.422	0.009	AB
DES_z	6642.42	21.29	14.344	0.003	AB
PanSTARRS_y	7457.46	20.33	14.219	0.003	AB
2MASS_J	9134.8	296.02	13.103	0.035	Vega
2MASS_H	10961.92	439.5	12.433	0.044	Vega
2MASS_K	8921.23	531.53	12.186	0.065	Vega
WISE_W1	4492.2	38.1	12.070	0.009	Vega
WISE_W2	2774.52	40.25	11.953	0.016	Vega
WISE_W3	12205.47	129.76	8.510	0.012	Vega
WISE_W4	18404.22	938.26	6.618	0.055	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})\,	9.866	10.065	10.219
{\rm log}_{10}({\rm SFR})	-0.339	0.148	0.853
{\rm log}_{10}({\rm sSFR})	-10.498	-9.976	-9.116
{\rm stellar\ age}	4.774	7.093	9.202

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.382	-0.544	-0.163
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.775	-0.041	0.164

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.451	0.808	1.186
\delta	-0.548	-0.259	0.021
\tau_1/\tau_2	0.353	0.789	1.260
Q_{PAH}	0.615	2.267	4.239
U_{min}	2.997	8.429	15.410
{\rm log}_{10}(\gamma_e)\,	-3.203	-1.911	-0.930

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.498	-3.235	-1.345
{\rm log}_{10}(\tau_{AGN})\,	1.001	1.525	2.019

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.048	0.315	0.629
0.03-0.10 Gyr	-1.279	0.009	0.926
0.10-0.33 Gyr	-1.710	-0.394	0.308
0.33-1.09 Gyr	-1.664	-0.314	0.182
1.09-3.61 Gyr	-1.218	-0.099	0.301
3.61-11.93 Gyr	-0.602	0.091	0.361
11.93-13.25 Gyr	-0.759	0.111	0.901

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.517	10.560	10.627
{\rm log}_{10}({\rm SFR})	0.244	0.419	0.600
{\rm log}_{10}({\rm sSFR})	-10.323	-10.141	-9.968
{\rm stellar\ age}	7.297	7.972	9.358

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.680	-0.509	-0.382
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.023	0.108	0.237

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.219	0.340	0.474
\delta	-0.466	-0.211	-0.054
\tau_1/\tau_2	0.716	1.059	1.420
Q_{PAH}	0.576	1.253	2.139
U_{min}	2.975	7.579	14.195
{\rm log}_{10}(\gamma_e)\,	-2.619	-2.005	-1.587

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.373	-3.525	-2.613
{\rm log}_{10}(\tau_{AGN})\,	1.092	1.630	1.988

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.293	0.400	0.507
0.03-0.10 Gyr	0.180	0.438	0.664
0.10-0.33 Gyr	-0.190	0.191	0.463
0.33-1.09 Gyr	-0.305	0.078	0.315
1.09-3.61 Gyr	-0.258	0.237	0.501
3.61-11.93 Gyr	0.545	0.709	0.804
11.93-13.25 Gyr	0.497	0.876	1.358