2025stt

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Information

Transient

Name: AT2025stt
Right ascension: 21h59m44.98s
Declination: 1d51m48.17s
Discovery Date: July 29, 2025, 1:26 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name:
Right ascension: 21h59m45.10s
Declination: 1d51m46.60s
Redshift: None
Photometric Redshift: 0.181

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.2
Cutout download	processed	31.19
Global aperture construction	processed	2.72
Local aperture photometry	processed	6.79
Global aperture photometry	processed	5.85
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	17.43
Host information	processed	0.14
Global host SED inference	processed	416.49
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.1
Host MWEBV	processed	0.04
Processing status	blocked	N/A	N/A

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) = 21h59m44.98s, 1d51m48.17s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 21h59m45.09s, 1d51m46.85s
semi major axis, semi minor axis (arcsec) = 3.91, 2.69
angle (degrees, anti-clockwise from east) = -83.8

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.71	0.47	23.320	0.301	AB
GALEX_NUV	2.58	0.44	22.873	0.187	AB
SDSS_u	1.97	2.81	23.164	1.547	AB
SDSS_g	9.5	1.24	21.455	0.141	AB
DES_g	10.68	0.21	21.329	0.021	AB
PanSTARRS_g	8.89	0.69	21.528	0.084	AB
SDSS_r	20.26	1.84	20.633	0.099	AB
PanSTARRS_r	13.17	0.75	21.101	0.062	AB
DES_r	17.66	0.3	20.782	0.019	AB
SDSS_i	23.31	2.75	20.481	0.128	AB
PanSTARRS_i	17.92	0.68	20.767	0.041	AB
PanSTARRS_z	23.74	2.18	20.461	0.100	AB
SDSS_z	21.38	9.06	20.575	0.460	AB
DES_z	19.75	1.82	20.661	0.100	AB
PanSTARRS_y	33.15	6.02	20.099	0.197	AB
2MASS_J	-89.54	108.31			Vega
2MASS_H	116.11	150.81	17.370	1.410	Vega
2MASS_K	-58.34	182.11			Vega
WISE_W1	23.41	6.64	17.777	0.308	Vega
WISE_W2	15.47	9.23	17.588	0.648	Vega
WISE_W3	-8.02	56.72			Vega
WISE_W4	-402.5	325.65			Vega

Imaging data

Spectral Energy Distribution

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})\,	8.960	9.237	9.423
{\rm log}_{10}({\rm SFR})	-0.561	0.062	0.594
{\rm log}_{10}({\rm sSFR})	-9.887	-9.235	-8.477
{\rm stellar\ age}	0.328	3.156	5.501

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.599	-1.003	-0.209
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.567	-0.314	0.274

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.312	0.689	1.126
\delta	-0.027	0.190	0.327
\tau_1/\tau_2	0.662	1.085	1.487
Q_{PAH}	1.288	3.148	5.036
U_{min}	3.103	9.154	16.923
{\rm log}_{10}(\gamma_e)\,	-2.835	-1.821	-0.866

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.630	-1.283	-0.401
{\rm log}_{10}(\tau_{AGN})\,	1.052	1.407	1.801

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.116	-0.561	-0.057
0.03-0.10 Gyr	-0.569	0.154	0.739
0.10-0.32 Gyr	-0.548	0.164	0.703
0.32-1.02 Gyr	-2.422	-0.517	-0.018
1.02-3.25 Gyr	-3.569	-0.886	-0.414
3.25-10.36 Gyr	-3.950	-1.150	-0.573
10.36-11.52 Gyr	-4.016	-1.150	-0.340