2018ahn results

2018ahn results

Information

Transient

Name:	`AT2018ahn`
Right ascension:	`8h24m09.40s`
Declination:	`57d17m13.27s`
Discovery Date:	`March 17, 2018, 8:15 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.070`

Host

Name:	`23593`
Right ascension:	`8h24m16.68s`
Declination:	`57d17m18.07s`
Redshift:	`0.026246`
Photometric Redshift:	`None`

Cutout Download Report

Downloaded	Unavailable
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_z	DES_r DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	22.76
Transient MWEBV	processed	0.04
Host match	processed	4.08
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.71
Validate global photometry	processed	14.42
Global host SED inference	processed	732.61
Local aperture photometry	processed	6.33
Validate local photometry	processed	0.03
Local host SED inference	processed	446.89

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	8h24m09.40s, 57d17m13.27s
semi major axis, semi minor axis (arcsec):	3.79, 3.79
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	-5.0	3.14			AB
SDSS_g	1.67	1.28	23.341	0.828	AB
DES_g	3.59	0.21	22.513	0.065	AB
PanSTARRS_g	3.25	0.74	22.622	0.248	AB
SDSS_r	0.8	2.01	24.141	2.724	AB
PanSTARRS_r	3.58	1.05	22.516	0.319	AB
SDSS_i	7.13	3.37	21.768	0.513	AB
PanSTARRS_i	8.93	0.98	21.523	0.119	AB
PanSTARRS_z	8.19	2.57	21.617	0.340	AB
SDSS_z	-25.05	12.1			AB
DES_z	1.79	1.3	23.266	0.787	AB
PanSTARRS_y	9.31	7.95	21.478	0.927	AB
2MASS_J	5.11	75.57	21.233	16.044	Vega
2MASS_H	135.74	112.71	17.201	0.901	Vega
2MASS_K	237.36	144.05	16.124	0.659	Vega

Aperture details

RA, DEC (J2000):	8h24m16.75s, 57d17m18.46s
semi major axis, semi minor axis (arcsec):	16.87, 12.91
angle (degrees, anti-clockwise from east):	-125.52

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	16.78	4.36	20.838	0.282	AB
GALEX_NUV	21.74	5.03	20.557	0.251	AB
SDSS_u	276.46	14.03	17.796	0.055	AB
SDSS_g	1570.67	11.12	15.910	0.008	AB
DES_g	1666.66	3.49	15.845	0.002	AB
PanSTARRS_g	1685.99	3.02	15.833	0.002	AB
SDSS_r	3697.05	17.31	14.980	0.005	AB
PanSTARRS_r	3665.94	4.39	14.990	0.001	AB
SDSS_i	5600.67	23.31	14.529	0.005	AB
PanSTARRS_i	5496.31	4.28	14.550	0.001	AB
PanSTARRS_z	7009.25	10.5	14.286	0.002	AB
SDSS_z	7269.27	52.17	14.246	0.008	AB
DES_z	6788.85	13.5	14.321	0.002	AB
PanSTARRS_y	8753.36	30.86	14.045	0.004	AB
2MASS_J	10075.17	300.71	12.997	0.032	Vega
2MASS_H	13586.12	446.35	12.200	0.036	Vega
2MASS_K	11107.23	570.45	11.948	0.056	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	6.949	7.426	7.718
{\rm log}_{10}({\rm SFR})	-2.183	-1.666	-1.238
{\rm log}_{10}({\rm sSFR})	-9.756	-9.118	-8.227
{\rm stellar\ age}	0.896	5.909	7.918

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.469	-0.888	-0.299
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.561	-0.741	-0.125

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.128	1.663	2.167
\delta	-0.063	0.141	0.295
\tau_1/\tau_2	0.526	0.910	1.358
Q_{PAH}	0.578	1.994	4.638
U_{min}	2.898	8.408	15.589
{\rm log}_{10}(\gamma_e)\,	-2.991	-1.739	-0.637

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.755	-1.460	-0.268
{\rm log}_{10}(\tau_{AGN})\,	1.013	1.562	1.975

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.183	-1.508	-1.040
0.03-0.10 Gyr	-2.967	-1.981	-1.359
0.10-0.33 Gyr	-4.018	-2.537	-1.881
0.33-1.10 Gyr	-4.830	-2.766	-2.216
1.10-3.64 Gyr	-5.028	-2.745	-2.261
3.64-12.06 Gyr	-4.952	-2.710	-2.221
12.06-13.41 Gyr	-4.896	-2.733	-1.944

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.548	10.631	10.754
{\rm log}_{10}({\rm SFR})	-1.757	-1.066	-0.554
{\rm log}_{10}({\rm sSFR})	-12.419	-11.712	-11.156
{\rm stellar\ age}	7.843	10.885	12.716

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.633	-1.130	-0.750
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.665	-0.721	0.182

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.635	0.980	1.232
\delta	-0.293	0.191	0.320
\tau_1/\tau_2	0.235	0.680	1.271
Q_{PAH}	0.309	1.319	4.675
U_{min}	3.616	9.942	18.287
{\rm log}_{10}(\gamma_e)\,	-3.056	-1.513	-0.825

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.348	-2.813	-1.225
{\rm log}_{10}(\tau_{AGN})\,	0.792	1.147	1.831

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.077	-0.941	-0.331
0.03-0.10 Gyr	-4.075	-1.580	-0.657
0.10-0.33 Gyr	-5.231	-2.377	-0.932
0.33-1.10 Gyr	-5.023	-2.091	-0.491
1.10-3.64 Gyr	-3.801	-1.523	0.281
3.64-12.06 Gyr	-2.024	0.368	0.865
12.06-13.41 Gyr	0.203	1.582	1.866