2025tyu

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Information

Transient

Name: AT2025tyu
Right ascension: 17h54m40.60s
Declination: 31d11m27.36s
Discovery Date: Aug. 13, 2025, 4:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.047

Host

Name:
Right ascension: 17h54m40.46s
Declination: 31d11m27.90s
Redshift: None
Photometric Redshift: 0.129

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	8.97
Transient MWEBV	processed	0.04
Host match	processed	7.02
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.58
Global aperture photometry	processed	4.4
Validate global photometry	processed	12.33
Global host SED inference	processed	387.17
Local aperture photometry	processed	4.86
Validate local photometry	no valid phot	0.02
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) = 17h54m40.60s, 31d11m27.36s
semi major axis, semi minor axis (arcsec) = 0.87, 0.87
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) = 17h54m40.45s, 31d11m27.80s
semi major axis, semi minor axis (arcsec) = 5.61, 4.23
angle (degrees, anti-clockwise from east) = -162.78

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	8.81	2.47	21.538	0.304	AB
GALEX_NUV	14.01	2.16	21.034	0.168	AB
DES_g	112.68	1.42	18.770	0.014	AB
PanSTARRS_g	116.16	1.23	18.737	0.012	AB
PanSTARRS_r	245.73	1.76	17.924	0.008	AB
PanSTARRS_i	356.34	1.49	17.520	0.005	AB
PanSTARRS_z	436.99	4.34	17.299	0.011	AB
DES_z	473.71	3.73	17.211	0.009	AB
PanSTARRS_y	527.5	9.05	17.094	0.019	AB
2MASS_J	786.68	109.62	15.766	0.151	Vega
2MASS_H	1080.92	175.44	14.948	0.176	Vega
2MASS_K	948.94	178.39	14.619	0.204	Vega
WISE_W1	412.03	12.3	14.664	0.032	Vega
WISE_W2	291.21	14.51	14.400	0.054	Vega
WISE_W3	995.28	61.81	11.231	0.067	Vega
WISE_W4	2109.97	442.46	8.969	0.228	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})\,	10.620	10.656	10.727
{\rm log}_{10}({\rm SFR})	-0.004	0.238	0.473
{\rm log}_{10}({\rm sSFR})	-10.688	-10.422	-10.183
{\rm stellar\ age}	7.271	8.275	10.885

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.386	-0.219	-0.075
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.256	-0.492	-0.068

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.157	0.236	0.356
\delta	-0.671	-0.367	-0.092
\tau_1/\tau_2	0.820	1.169	1.537
Q_{PAH}	0.839	2.295	4.571
U_{min}	2.836	7.654	14.465
{\rm log}_{10}(\gamma_e)\,	-2.666	-1.762	-1.121

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.010	-2.644	-1.684
{\rm log}_{10}(\tau_{AGN})\,	1.015	1.467	1.867

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.141	0.319	0.478
0.03-0.10 Gyr	-0.192	0.205	0.511
0.10-0.32 Gyr	-0.701	-0.156	0.166
0.32-1.04 Gyr	-1.156	-0.421	-0.031
1.04-3.37 Gyr	-1.051	-0.239	0.234
3.37-10.90 Gyr	0.087	0.810	0.925
10.90-12.11 Gyr	0.742	1.299	1.841