2025ztg results

2025ztg results

Information

Transient

Name:	`AT2025ztg`
Right ascension:	`21h00m13.76s`
Declination:	`13d37m45.70s`
Discovery Date:	`Oct. 1, 2025, 12:11 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.093`

Host

Name:
Right ascension:	`21h00m13.45s`
Declination:	`13d37m50.01s`
Redshift:	`None`
Photometric Redshift:	`0.121`

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_r DES_i DES_z DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	4.39
Transient MWEBV	processed	0.06
Host match	processed	5.15
Host information	processed	0.12
Host MWEBV	processed	0.05
Global aperture construction	processed	0.66
Global aperture photometry	processed	4.17
Validate global photometry	processed	11.85
Global host SED inference	processed	415.43
Local aperture photometry	processed	4.11
Validate local photometry	no valid phot	0.02
Local host SED inference	not processed	None

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

Data not available

Aperture details

RA, DEC (J2000):	21h00m13.45s, 13d37m50.12s
semi major axis, semi minor axis (arcsec):	9.01, 7.96
angle (degrees, anti-clockwise from east):	-161.05

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	16.57	4.28	20.852	0.280	AB
GALEX_NUV	18.46	2.91	20.735	0.171	AB
PanSTARRS_g	199.93	1.95	18.148	0.011	AB
PanSTARRS_r	338.95	2.23	17.575	0.007	AB
PanSTARRS_i	504.28	2.94	17.143	0.006	AB
PanSTARRS_z	621.8	6.56	16.916	0.011	AB
PanSTARRS_y	669.98	15.49	16.835	0.025	AB
2MASS_J	686.87	240.53	15.913	0.380	Vega
2MASS_H	172.32	350.16	16.942	2.206	Vega
2MASS_K	690.61	424.44	14.964	0.667	Vega
WISE_W1	465.17	28.69	14.532	0.067	Vega
WISE_W2	254.51	31.57	14.547	0.135	Vega
WISE_W3	431.18	108.22	12.139	0.272	Vega
WISE_W4	900.5	588.63	9.894	0.710	Vega

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.539	10.595	10.684
{\rm log}_{10}({\rm SFR})	0.054	0.402	0.764
{\rm log}_{10}({\rm sSFR})	-10.539	-10.192	-9.839
{\rm stellar\ age}	6.225	7.004	8.704

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.914	-0.617	-0.415
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.322	0.121	0.375

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.123	0.224	0.379
\delta	-0.481	-0.089	0.167
\tau_1/\tau_2	0.632	0.988	1.366
Q_{PAH}	0.482	1.409	3.086
U_{min}	2.318	7.035	14.197
{\rm log}_{10}(\gamma_e)\,	-3.095	-2.262	-1.368

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.477	-3.492	-2.413
{\rm log}_{10}(\tau_{AGN})\,	1.022	1.533	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.554	-0.062	0.163
0.03-0.10 Gyr	0.081	0.511	0.915
0.10-0.32 Gyr	0.167	0.524	0.791
0.32-1.05 Gyr	-0.220	0.345	0.591
1.05-3.39 Gyr	-0.203	0.462	0.714
3.39-10.98 Gyr	0.520	0.745	0.868
10.98-12.20 Gyr	0.371	0.863	1.481