2018btb

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Information

Transient

Name: 2018btb
Right ascension: 11h34m27.88s
Declination: 46d21m45.29s
Discovery Date: None
Classification: SNIa
Redshift: 0.033864
MW E(B-V): 0.016

Host

Name: 2018btb
Right ascension: 11h34m28.50s
Declination: 46d21m38.16s
Redshift: 0.033842
Photometric Redshift: 0.037

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.27
Cutout download	processed	13.89
Global aperture construction	processed	0.6
Local aperture photometry	processed	4.55
Global aperture photometry	processed	4.48
Validate local photometry	processed	0.02
Validate global photometry	processed	14.22
Host information	processed	0.09
Global host SED inference	processed	429.74
Local host SED inference	processed	403.89
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) = 11h34m27.88s, 46d21m45.29s
semi major axis, semi minor axis (arcsec) = 2.97, 2.97
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	13.03	2.6	21.113	0.217	AB
SDSS_g	71.43	2.35	19.265	0.036	AB
PanSTARRS_g	80.51	0.71	19.135	0.010	AB
SDSS_r	140.09	3.41	18.534	0.026	AB
PanSTARRS_r	147.05	0.87	18.481	0.006	AB
SDSS_i	200.92	4.44	18.142	0.024	AB
PanSTARRS_i	201.76	0.88	18.138	0.005	AB
PanSTARRS_z	240.0	2.85	17.949	0.013	AB
SDSS_z	238.38	9.48	17.957	0.043	AB
PanSTARRS_y	311.37	4.86	17.667	0.017	AB
2MASS_J	281.21	71.59	16.883	0.276	Vega
2MASS_H	423.76	99.69	15.965	0.255	Vega
2MASS_K	347.65	110.03	15.709	0.344	Vega

Aperture details

RA, DEC (J2000) = 11h34m28.49s, 46d21m38.41s
semi major axis, semi minor axis (arcsec) = 19.27, 16.88
angle (degrees, anti-clockwise from east) = -55.9

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	152.23	12.32	18.444	0.088	AB
GALEX_NUV	204.04	6.56	18.126	0.035	AB
SDSS_u	674.08	16.45	16.828	0.026	AB
SDSS_g	2724.04	14.49	15.312	0.006	AB
PanSTARRS_g	2955.88	4.33	15.223	0.002	AB
SDSS_r	5541.35	21.31	14.541	0.004	AB
SDSS_i	8065.84	27.71	14.133	0.004	AB
PanSTARRS_i	7766.76	5.33	14.174	0.001	AB
PanSTARRS_z	9509.37	16.99	13.955	0.002	AB
SDSS_z	10071.3	58.4	13.892	0.006	AB
PanSTARRS_y	11898.1	29.24	13.711	0.003	AB
2MASS_J	14255.68	473.95	12.620	0.036	Vega
2MASS_H	16472.8	656.11	11.990	0.043	Vega
2MASS_K	14954.26	728.08	11.625	0.053	Vega
WISE_W2	4448.37	60.51	11.440	0.015	Vega
WISE_W3	8423.69	211.86	8.912	0.027	Vega
WISE_W4	8249.85	1397.29	7.489	0.184	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	9.026	9.181	9.318
${\rm log}_{10}({\rm SFR})$	-1.578	-1.011	-0.630
${\rm log}_{10}({\rm sSFR})$	-10.804	-10.229	-9.771
${\rm stellar\ age}$	5.505	7.451	9.776

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.590	-1.016	-0.485
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.108	-0.166	0.224

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.475	1.002	1.298
$\delta$	-0.505	-0.134	0.161
$\tau_1/\tau_2$	0.676	1.024	1.376
$Q_{PAH}$	0.401	1.540	3.632
$U_{min}$	2.525	7.473	14.600
${\rm log}_{10}(\gamma_e)\,$	-3.441	-2.367	-1.134

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.022	-2.247	-0.827
${\rm log}_{10}(\tau_{AGN})\,$	0.973	1.350	1.789

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.446	-0.947	-0.660
0.03-0.10 Gyr	-1.976	-1.098	-0.586
0.10-0.33 Gyr	-2.277	-1.167	-0.644
0.33-1.09 Gyr	-2.148	-1.138	-0.639
1.09-3.62 Gyr	-1.941	-0.934	-0.613
3.62-11.97 Gyr	-1.358	-0.778	-0.553
11.97-13.30 Gyr	-1.287	-0.628	0.087

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.809	10.873	10.938
${\rm log}_{10}({\rm SFR})$	-0.139	0.151	0.428
${\rm log}_{10}({\rm sSFR})$	-11.016	-10.725	-10.445
${\rm stellar\ age}$	8.023	9.720	12.353

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.802	-0.585	-0.406
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-0.769	0.099	0.352

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.362	0.525	0.767
$\delta$	0.006	0.182	0.309
$\tau_1/\tau_2$	0.382	0.790	1.222
$Q_{PAH}$	0.407	0.946	1.799
$U_{min}$	2.717	7.345	14.339
${\rm log}_{10}(\gamma_e)\,$	-3.608	-2.987	-2.201

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.628	-4.008	-3.162
${\rm log}_{10}(\tau_{AGN})\,$	1.050	1.584	1.945

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.236	0.098	0.328
0.03-0.10 Gyr	-0.427	0.143	0.507
0.10-0.33 Gyr	-1.660	-0.273	0.220
0.33-1.09 Gyr	-2.210	-0.483	0.046
1.09-3.62 Gyr	-2.053	-0.425	0.231
3.62-11.97 Gyr	-0.254	0.906	1.089
11.97-13.30 Gyr	0.885	1.612	2.034