2025tsg

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Information

Transient

Name: AT2025tsg
Right ascension: 1h56m00.86s
Declination: 3d10m22.60s
Discovery Date: Aug. 11, 2025, 8:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name:
Right ascension: 1h56m00.57s
Declination: 3d10m23.56s
Redshift: None
Photometric Redshift: 0.123

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	51.49
Transient MWEBV	processed	0.15
Host match	processed	6.61
Host information	processed	0.16
Host MWEBV	processed	0.1
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.49
Validate global photometry	processed	15.54
Global host SED inference	processed	705.57
Local aperture photometry	processed	7.77
Validate local photometry	no valid phot	0.03
Local host SED inference	not processed	None

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) = 1h56m00.86s, 3d10m22.60s
semi major axis, semi minor axis (arcsec) = 0.91, 0.91
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) = 1h56m00.56s, 3d10m23.80s
semi major axis, semi minor axis (arcsec) = 8.49, 8.45
angle (degrees, anti-clockwise from east) = -134.63

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	22.05	3.32	20.541	0.163	AB
GALEX_NUV	43.66	2.92	19.800	0.073	AB
SDSS_u	106.21	7.75	18.835	0.079	AB
SDSS_g	227.05	4.51	18.010	0.022	AB
DES_g	230.52	0.66	17.993	0.003	AB
PanSTARRS_g	223.0	2.0	18.029	0.010	AB
SDSS_r	377.59	6.17	17.457	0.018	AB
PanSTARRS_r	384.35	2.9	17.438	0.008	AB
DES_r	417.11	1.13	17.349	0.003	AB
SDSS_i	505.64	8.46	17.140	0.018	AB
PanSTARRS_i	510.35	2.05	17.130	0.004	AB
PanSTARRS_z	607.56	5.19	16.941	0.009	AB
SDSS_z	495.25	21.77	17.163	0.048	AB
DES_z	642.27	3.49	16.881	0.006	AB
PanSTARRS_y	702.75	12.98	16.783	0.020	AB
WISE_W1	400.49	13.06	14.695	0.035	Vega
WISE_W2	251.12	20.03	14.561	0.087	Vega
WISE_W3	649.59	79.88	11.694	0.134	Vega
WISE_W4	403.16	374.38	10.766	1.008	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	10.470	10.556	10.675
{\rm log}_{10}({\rm SFR})	0.833	1.129	1.556
{\rm log}_{10}({\rm sSFR})	-9.741	-9.390	-9.008
{\rm stellar\ age}	6.755	8.243	11.243

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.899	-0.591	-0.398
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.171	-0.060	0.339

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.154	0.214	0.329
\delta	-0.918	-0.725	-0.459
\tau_1/\tau_2	0.316	0.824	1.328
Q_{PAH}	0.408	1.092	2.243
U_{min}	3.214	9.556	17.228
{\rm log}_{10}(\gamma_e)\,	-3.051	-2.127	-1.383

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.923	-2.587	-1.971
{\rm log}_{10}(\tau_{AGN})\,	0.956	1.343	1.824

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.352	-0.726	0.017
0.03-0.10 Gyr	0.992	1.290	1.717
0.10-0.32 Gyr	-2.921	-1.758	0.050
0.32-1.05 Gyr	-5.164	-2.520	-0.187
1.05-3.39 Gyr	-3.598	-1.147	0.255
3.39-10.96 Gyr	-1.085	0.545	0.802
10.96-12.18 Gyr	-0.016	1.273	1.808