AT2017yk

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Information

Transient

Name: AT2017yk
Right ascension: 9h44m31.79s
Declination: -12d18m29.37s
Discovery Date: None
Classification: SN Ia
Redshift: 0.046850
MW E(B-V): 0.030

Host

Name: AT2017yk
Right ascension: 9h44m32.14s
Declination: -12d18m23.56s
Redshift: 0.046439
Photometric Redshift: 0.061

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	1.12
Cutout download	processed	3.19
Global aperture construction	processed	0.63
Local aperture photometry	processed	3.4
Global aperture photometry	processed	3.56
Validate local photometry	processed	0.02
Validate global photometry	processed	10.5
Host information	processed	0.12
Global host SED inference	processed	391.53
Local host SED inference	processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.04
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) = 9h44m31.79s, -12d18m29.37s
semi major axis, semi minor axis (arcsec) = 2.19, 2.19
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	20.7	0.55	20.610	0.029	AB
PanSTARRS_r	33.47	0.64	20.088	0.021	AB
PanSTARRS_i	45.6	0.87	19.753	0.021	AB
PanSTARRS_z	47.78	1.23	19.702	0.028	AB
PanSTARRS_y	58.07	3.45	19.490	0.064	AB

Aperture details

RA, DEC (J2000) = 9h44m32.13s, -12d18m23.37s
semi major axis, semi minor axis (arcsec) = 16.56, 11.67
angle (degrees, anti-clockwise from east) = -91.25

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	91.64	9.56	18.995	0.113	AB
GALEX_NUV	101.05	7.09	18.889	0.076	AB
PanSTARRS_g	1166.22	3.54	16.233	0.003	AB
PanSTARRS_r	2049.03	4.12	15.621	0.002	AB
PanSTARRS_i	2823.93	5.46	15.273	0.002	AB
PanSTARRS_z	3262.04	7.71	15.116	0.003	AB
PanSTARRS_y	4015.64	21.36	14.891	0.006	AB
2MASS_J	5213.45	341.49	13.712	0.071	Vega
2MASS_H	6221.67	536.79	13.048	0.094	Vega
2MASS_K	5827.16	740.32	12.649	0.138	Vega
WISE_W1	2481.37	39.81	12.714	0.017	Vega
WISE_W2	1499.3	51.2	12.621	0.037	Vega
WISE_W3	3152.24	205.96	9.979	0.071	Vega
WISE_W4	2751.82	1122.16	8.681	0.443	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})\,	8.532	8.673	8.796
{\rm log}_{10}({\rm SFR})	-1.984	-1.328	-0.764
{\rm log}_{10}({\rm sSFR})	-10.705	-10.047	-9.414
{\rm stellar\ age}	5.402	7.341	8.959

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.704	-1.228	-0.774
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.613	-0.111	0.342

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.336	0.656	1.017
\delta	-0.393	-0.048	0.245
\tau_1/\tau_2	0.687	1.056	1.407
Q_{PAH}	0.995	2.811	5.174
U_{min}	3.000	7.998	15.008
{\rm log}_{10}(\gamma_e)\,	-3.142	-2.063	-0.962

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.625	-0.764	-0.178
{\rm log}_{10}(\tau_{AGN})\,	0.968	1.409	1.802

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.157	-1.525	-1.083
0.03-0.10 Gyr	-2.107	-1.285	-0.668
0.10-0.33 Gyr	-2.314	-1.591	-1.010
0.33-1.09 Gyr	-2.455	-1.696	-1.211
1.09-3.59 Gyr	-2.301	-1.471	-1.156
3.59-11.82 Gyr	-1.751	-1.256	-1.047
11.82-13.14 Gyr	-1.884	-1.157	-0.538

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.508	10.550	10.622
{\rm log}_{10}({\rm SFR})	-0.410	-0.148	0.159
{\rm log}_{10}({\rm sSFR})	-10.968	-10.703	-10.428
{\rm stellar\ age}	7.649	8.318	10.802

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.619	-0.441	-0.302
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.156	0.202	0.381

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.124	0.204	0.314
\delta	-0.260	0.027	0.244
\tau_1/\tau_2	0.495	0.896	1.280
Q_{PAH}	0.633	1.642	3.296
U_{min}	2.810	7.688	14.893
{\rm log}_{10}(\gamma_e)\,	-2.502	-1.616	-0.864

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.269	-3.272	-2.272
{\rm log}_{10}(\tau_{AGN})\,	1.043	1.548	1.931

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.428	-0.121	0.079
0.03-0.10 Gyr	-0.998	-0.186	0.264
0.10-0.33 Gyr	-1.253	-0.412	0.038
0.33-1.09 Gyr	-1.041	-0.364	0.005
1.09-3.59 Gyr	-0.943	-0.100	0.308
3.59-11.82 Gyr	0.344	0.712	0.810
11.82-13.14 Gyr	0.455	0.956	1.590