2025ghi results

2025ghi results

Information

Transient

Name:	`AT2025ghi`
Right ascension:	`13h34m41.67s`
Declination:	`13d26m02.90s`
Discovery Date:	`March 29, 2025, 9:04 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.019`

Host

Name:	`2025ghi`
Right ascension:	`13h34m41.83s`
Declination:	`13d26m04.89s`
Redshift:	`0.043754`
Photometric Redshift:	`0.044`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 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_z	GALEX_NUV GALEX_FUV DES_i DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	19.31
Transient MWEBV	processed	0.12
Host match	processed	2.04
Host information	processed	0.09
Host MWEBV	processed	0.13
Global aperture construction	processed	0.71
Global aperture photometry	processed	7.37
Validate global photometry	processed	19.44
Global host SED inference	processed	500.38
Local aperture photometry	processed	7.67
Validate local photometry	processed	0.02
Local host SED inference	processed	438.0

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	13h34m41.67s, 13d26m02.90s
semi major axis, semi minor axis (arcsec):	2.32, 2.32
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	30.25	2.47	20.198	0.089	AB
SDSS_g	83.95	2.46	19.090	0.032	AB
DES_g	89.47	0.46	19.021	0.006	AB
PanSTARRS_g	83.58	0.66	19.095	0.009	AB
SDSS_r	121.54	3.03	18.688	0.027	AB
PanSTARRS_r	116.07	0.74	18.738	0.007	AB
DES_r	133.01	1.01	18.590	0.008	AB
SDSS_i	148.74	3.67	18.469	0.027	AB
PanSTARRS_i	142.76	1.05	18.513	0.008	AB
PanSTARRS_z	158.64	1.37	18.399	0.009	AB
SDSS_z	152.74	7.55	18.440	0.054	AB
DES_z	174.58	2.41	18.295	0.015	AB
PanSTARRS_y	169.98	3.83	18.324	0.024	AB

Aperture details

RA, DEC (J2000):	13h34m41.83s, 13d26m04.97s
semi major axis, semi minor axis (arcsec):	18.4, 10.87
angle (degrees, anti-clockwise from east):	-101.76

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	208.05	13.44	18.105	0.070	AB
SDSS_g	749.88	8.17	16.713	0.012	AB
DES_g	786.3	1.57	16.661	0.002	AB
PanSTARRS_g	792.8	3.85	16.652	0.005	AB
SDSS_r	1090.84	10.56	16.306	0.011	AB
PanSTARRS_r	1035.74	4.29	16.362	0.005	AB
SDSS_i	1153.96	14.62	16.245	0.014	AB
PanSTARRS_i	1250.62	6.22	16.157	0.005	AB
PanSTARRS_z	1390.28	8.23	16.042	0.006	AB
SDSS_z	1220.78	43.11	16.183	0.038	AB
DES_z	1402.07	7.89	16.033	0.006	AB
PanSTARRS_y	1385.69	23.37	16.046	0.018	AB
2MASS_J	922.35	337.36	15.593	0.397	Vega
2MASS_H	763.7	580.64	15.325	0.825	Vega
2MASS_K	2011.78	508.23	13.803	0.274	Vega
WISE_W1	709.5	24.04	14.074	0.037	Vega
WISE_W2	410.48	30.13	14.028	0.080	Vega
WISE_W3	1622.03	144.43	10.701	0.097	Vega
WISE_W4	1704.9	714.11	9.201	0.455	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.721	8.885	9.051
{\rm log}_{10}({\rm SFR})	-1.247	-0.792	-0.250
{\rm log}_{10}({\rm sSFR})	-10.190	-9.684	-9.057
{\rm stellar\ age}	2.801	5.625	7.311

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.682	-1.041	-0.473
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.779	-1.413	-0.151

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.185	0.495	0.852
\delta	-0.630	-0.246	0.056
\tau_1/\tau_2	0.757	1.086	1.446
Q_{PAH}	0.699	2.435	5.177
U_{min}	2.972	8.035	14.987
{\rm log}_{10}(\gamma_e)\,	-3.354	-2.364	-1.114

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.774	-1.951	-0.532
{\rm log}_{10}(\tau_{AGN})\,	0.983	1.426	1.913

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.309	-0.965	-0.642
0.03-0.10 Gyr	-1.363	-0.744	-0.134
0.10-0.33 Gyr	-1.246	-0.698	-0.175
0.33-1.09 Gyr	-1.486	-0.924	-0.566
1.09-3.59 Gyr	-1.632	-1.052	-0.766
3.59-11.85 Gyr	-1.930	-1.156	-0.860
11.85-13.17 Gyr	-2.083	-1.204	-0.633

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.650	9.793	9.894
{\rm log}_{10}({\rm SFR})	-2.521	-0.798	-0.397
{\rm log}_{10}({\rm sSFR})	-12.195	-10.609	-10.207
{\rm stellar\ age}	2.266	5.519	7.040

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.425	-1.129	-0.875
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.760	-1.367	-0.491

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.080	0.167	0.294
\delta	-0.347	0.085	0.308
\tau_1/\tau_2	0.529	0.925	1.315
Q_{PAH}	1.775	3.675	5.679
U_{min}	2.685	7.999	15.904
{\rm log}_{10}(\gamma_e)\,	-3.022	-1.699	-0.589

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.995	-2.891	-1.931
{\rm log}_{10}(\tau_{AGN})\,	1.093	1.595	1.961

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.799	-0.905	-0.455
0.03-0.10 Gyr	-3.163	-0.890	-0.331
0.10-0.33 Gyr	-2.203	-0.408	0.142
0.33-1.09 Gyr	-0.219	0.172	0.656
1.09-3.59 Gyr	-0.549	0.009	0.264
3.59-11.85 Gyr	-1.821	-0.271	-0.009
11.85-13.17 Gyr	-2.039	-0.321	0.222