ASASSN-16ch

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Information

Transient

Name: ASASSN-16ch
Right ascension: 13h11m58.02s
Declination: 14d33m59.07s
Discovery Date: None
Classification: SNIa
Redshift: 0.029268
MW E(B-V): 0.021

Host

Name: ASASSN-16ch
Right ascension: 13h11m57.82s
Declination: 14d33m59.22s
Redshift: 0.026683
Photometric Redshift: 0.061

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	2.57
Cutout download	processed	18.38
Global aperture construction	processed	0.58
Local aperture photometry	processed	6.39
Global aperture photometry	processed	6.48
Validate local photometry	processed	0.03
Validate global photometry	processed	17.63
Host information	processed	0.1
Global host SED inference	processed	364.32
Local host SED inference	processed	573.93
Transient information	processed	0.0
Transient MWEBV	processed	0.05
Host MWEBV	processed	0.04
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) = 13h11m58.02s, 14d33m59.07s
semi major axis, semi minor axis (arcsec) = 3.73, 3.73
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	112.65	3.65	18.771	0.035	AB
SDSS_g	419.31	5.4	17.344	0.014	AB
DES_g	444.74	1.15	17.280	0.003	AB
PanSTARRS_g	415.91	1.01	17.353	0.003	AB
SDSS_r	805.46	7.57	16.635	0.010	AB
PanSTARRS_r	762.52	1.13	16.694	0.002	AB
DES_r	874.63	3.39	16.545	0.004	AB
SDSS_i	1097.75	8.98	16.299	0.009	AB
PanSTARRS_i	1066.86	1.32	16.330	0.001	AB
PanSTARRS_z	1334.64	2.57	16.087	0.002	AB
SDSS_z	1461.78	14.15	15.988	0.011	AB
DES_z	1551.54	8.47	15.923	0.006	AB
PanSTARRS_y	1556.48	5.03	15.920	0.004	AB
2MASS_J	1840.97	103.96	14.842	0.061	Vega
2MASS_H	2274.78	159.93	14.140	0.076	Vega
2MASS_K	2246.37	164.88	13.683	0.080	Vega

Aperture details

RA, DEC (J2000) = 13h11m57.80s, 14d33m59.21s
semi major axis, semi minor axis (arcsec) = 20.86, 6.33
angle (degrees, anti-clockwise from east) = -69.86

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	72.64	8.67	19.247	0.130	AB
GALEX_NUV	93.79	1.74	18.970	0.020	AB
SDSS_u	313.38	9.13	17.660	0.032	AB
SDSS_g	1259.4	9.72	16.150	0.008	AB
DES_g	1089.56	1.97	16.307	0.002	AB
PanSTARRS_g	1236.23	2.95	16.170	0.003	AB
SDSS_r	2284.03	13.54	15.503	0.006	AB
PanSTARRS_r	2211.14	3.17	15.538	0.002	AB
DES_r	2070.46	5.44	15.610	0.003	AB
SDSS_i	3054.04	16.41	15.188	0.006	AB
PanSTARRS_i	3011.81	3.73	15.203	0.001	AB
PanSTARRS_z	3631.15	7.45	15.000	0.002	AB
SDSS_z	3901.52	35.18	14.922	0.010	AB
DES_z	3482.64	13.14	15.045	0.004	AB
PanSTARRS_y	4347.74	14.88	14.804	0.004	AB
2MASS_J	6225.84	368.72	13.520	0.064	Vega
2MASS_H	7905.98	564.79	12.788	0.078	Vega
2MASS_K	6236.38	587.17	12.575	0.102	Vega
WISE_W1	3188.02	41.37	12.442	0.014	Vega
WISE_W2	2030.0	47.23	12.292	0.025	Vega
WISE_W3	9613.99	189.76	8.769	0.021	Vega
WISE_W4	16962.07	1574.7	6.706	0.101	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.538	9.661	9.832
${\rm log}_{10}({\rm SFR})$	-1.222	-0.465	0.155
${\rm log}_{10}({\rm sSFR})$	-11.020	-10.170	-9.468
${\rm stellar\ age}$	5.873	7.603	9.455

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.354	-0.722	-0.384
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.657	-0.163	0.282

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.435	0.870	1.256
$\delta$	-0.575	-0.228	0.286
$\tau_1/\tau_2$	0.646	0.997	1.359
$Q_{PAH}$	0.788	2.753	5.198
$U_{min}$	2.453	7.495	14.548
${\rm log}_{10}(\gamma_e)\,$	-3.592	-2.552	-1.066

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.181	-2.435	-0.856
${\rm log}_{10}(\tau_{AGN})\,$	0.884	1.356	1.913

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.138	-0.635	-0.293
0.03-0.10 Gyr	-1.439	-0.453	0.280
0.10-0.33 Gyr	-1.723	-0.696	-0.141
0.33-1.10 Gyr	-1.691	-0.749	-0.221
1.10-3.64 Gyr	-1.364	-0.479	-0.110
3.64-12.06 Gyr	-0.708	-0.273	-0.062
12.06-13.40 Gyr	-0.751	-0.127	0.526

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.149	10.229	10.325
${\rm log}_{10}({\rm SFR})$	-0.529	-0.232	0.004
${\rm log}_{10}({\rm sSFR})$	-10.765	-10.448	-10.224
${\rm stellar\ age}$	7.705	8.479	11.017

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.436	-1.011	-0.723
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.559	-0.067	0.355

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.629	0.813	0.985
$\delta$	0.204	0.295	0.362
$\tau_1/\tau_2$	0.507	0.894	1.320
$Q_{PAH}$	0.871	1.587	2.589
$U_{min}$	2.704	8.122	15.392
${\rm log}_{10}(\gamma_e)\,$	-2.760	-2.013	-1.502

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-2.562	-1.780	-1.331
${\rm log}_{10}(\tau_{AGN})\,$	1.376	1.822	2.034

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.637	-0.700	-0.354
0.03-0.10 Gyr	-0.516	-0.140	0.142
0.10-0.33 Gyr	-0.932	-0.328	0.013
0.33-1.10 Gyr	-1.323	-0.541	-0.206
1.10-3.64 Gyr	-1.630	-0.463	0.001
3.64-12.06 Gyr	-0.033	0.357	0.489
12.06-13.40 Gyr	0.021	0.638	1.268