2025thk results

2025thk results

Information

Transient

Name:	`AT2025thk`
Right ascension:	`20h48m06.59s`
Declination:	`28d45m06.22s`
Discovery Date:	`Aug. 3, 2025, 1:39 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.187`

Host

Name:
Right ascension:	`20h48m06.61s`
Declination:	`28d45m07.69s`
Redshift:	`0.039638`
Photometric Redshift:	`None`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 GALEX_NUV PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y	GALEX_FUV SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	22.81
Transient MWEBV	processed	0.06
Host match	processed	7.77
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.71
Global aperture photometry	processed	4.09
Validate global photometry	processed	8.97
Global host SED inference	processed	473.36
Local aperture photometry	processed	4.19
Validate local photometry	processed	0.02
Local host SED inference	processed	473.25

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	20h48m06.59s, 28d45m06.22s
semi major axis, semi minor axis (arcsec):	2.55, 2.55
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	198.76	0.96	18.154	0.005	AB
PanSTARRS_r	503.4	1.27	17.145	0.003	AB
PanSTARRS_i	759.48	1.39	16.699	0.002	AB
PanSTARRS_z	1029.22	3.04	16.369	0.003	AB
PanSTARRS_y	1252.15	6.01	16.156	0.005	AB

Aperture details

RA, DEC (J2000):	20h48m06.61s, 28d45m08.38s
semi major axis, semi minor axis (arcsec):	18.56, 11.47
angle (degrees, anti-clockwise from east):	-162.71

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	43.23	5.71	19.810	0.143	AB
PanSTARRS_i	3792.77	7.58	14.953	0.002	AB
PanSTARRS_z	4859.62	16.9	14.683	0.004	AB
2MASS_J	7057.2	453.61	13.384	0.070	Vega
2MASS_K	9124.57	614.79	12.162	0.073	Vega
WISE_W3	6768.95	182.27	9.150	0.029	Vega
WISE_W4	4529.46	938.07	8.140	0.225	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.829	9.984	10.124
{\rm log}_{10}({\rm SFR})	-1.381	-0.438	0.145
{\rm log}_{10}({\rm sSFR})	-11.467	-10.443	-9.747
{\rm stellar\ age}	5.549	7.564	11.034

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.419	-0.831	-0.527
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.855	-1.266	0.258

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.474	0.798	1.177
\delta	-0.835	-0.604	-0.328
\tau_1/\tau_2	0.624	0.983	1.377
Q_{PAH}	0.608	2.071	3.981
U_{min}	2.790	8.033	15.229
{\rm log}_{10}(\gamma_e)\,	-3.265	-1.865	-0.902

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.399	-3.312	-1.492
{\rm log}_{10}(\tau_{AGN})\,	0.978	1.438	1.944

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.134	-0.335	0.102
0.03-0.10 Gyr	-2.099	-0.596	0.179
0.10-0.33 Gyr	-2.377	-0.609	0.131
0.33-1.09 Gyr	-2.242	-0.469	0.102
1.09-3.60 Gyr	-1.878	-0.197	0.164
3.60-11.90 Gyr	-0.808	-0.018	0.231
11.90-13.23 Gyr	-0.500	0.174	1.109

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.507	10.616	10.752
{\rm log}_{10}({\rm SFR})	-0.211	0.211	0.610
{\rm log}_{10}({\rm sSFR})	-10.886	-10.423	-9.938
{\rm stellar\ age}	5.860	7.569	10.239

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.657	-0.391	-0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.751	-0.964	0.217

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.182	0.388	0.670
\delta	-0.629	-0.164	0.203
\tau_1/\tau_2	0.456	0.844	1.280
Q_{PAH}	0.212	0.621	1.348
U_{min}	2.598	6.735	13.254
{\rm log}_{10}(\gamma_e)\,	-3.672	-3.093	-2.177

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.758	-1.631	-1.217
{\rm log}_{10}(\tau_{AGN})\,	0.838	1.111	1.542

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.050	0.121	0.496
0.03-0.10 Gyr	-0.561	0.203	0.697
0.10-0.33 Gyr	-0.757	0.184	0.749
0.33-1.09 Gyr	-0.853	0.210	0.757
1.09-3.60 Gyr	-0.729	0.469	0.813
3.60-11.90 Gyr	0.201	0.658	0.883
11.90-13.23 Gyr	0.132	0.818	1.610