2025udh

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Information

Transient

Name: AT2025udh
Right ascension: 1h53m27.29s
Declination: 32d46m46.51s
Discovery Date: Aug. 16, 2025, 8:41 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name:
Right ascension: 1h53m27.43s
Declination: 32d46m50.70s
Redshift: 0.134074
Photometric Redshift: 0.117

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	26.08
Transient MWEBV	processed	0.04
Host match	processed	8.48
Host information	processed	0.15
Host MWEBV	processed	0.03
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.82
Validate global photometry	processed	15.7
Global host SED inference	processed	420.18
Local aperture photometry	processed	6.54
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) = 1h53m27.29s, 32d46m46.51s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
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) = 1h53m27.42s, 32d46m50.78s
semi major axis, semi minor axis (arcsec) = 9.64, 6.69
angle (degrees, anti-clockwise from east) = -3.88

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	20.73	0.93	20.608	0.049	AB
SDSS_u	95.03	8.98	18.955	0.103	AB
SDSS_g	286.41	4.98	17.758	0.019	AB
DES_g	305.24	0.91	17.688	0.003	AB
PanSTARRS_g	303.76	2.13	17.694	0.008	AB
SDSS_r	567.02	7.8	17.016	0.015	AB
PanSTARRS_r	564.38	2.25	17.021	0.004	AB
DES_r	626.16	2.21	16.908	0.004	AB
SDSS_i	855.59	10.88	16.569	0.014	AB
PanSTARRS_i	840.1	2.56	16.589	0.003	AB
PanSTARRS_z	1005.33	6.38	16.394	0.007	AB
SDSS_z	978.68	35.62	16.423	0.040	AB
PanSTARRS_y	1082.09	12.86	16.314	0.013	AB
2MASS_J	1636.03	183.11	14.971	0.122	Vega
2MASS_H	1839.76	281.48	14.371	0.166	Vega
2MASS_K	2209.04	314.98	13.702	0.155	Vega
WISE_W1	809.57	21.69	13.930	0.029	Vega
WISE_W2	556.95	26.88	13.696	0.052	Vega
WISE_W3	1374.39	113.06	10.881	0.089	Vega
WISE_W4	1439.81	565.25	9.384	0.426	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})\,	10.802	10.861	10.928
{\rm log}_{10}({\rm SFR})	0.550	0.913	1.256
{\rm log}_{10}({\rm sSFR})	-10.338	-9.935	-9.568
{\rm stellar\ age}	6.018	6.762	7.825

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.854	-0.548	-0.393
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.344	0.187	0.383

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.226	0.333	0.500
\delta	-0.862	-0.620	-0.314
\tau_1/\tau_2	0.595	0.935	1.288
Q_{PAH}	0.281	0.804	2.037
U_{min}	2.140	6.485	13.183
{\rm log}_{10}(\gamma_e)\,	-3.464	-2.621	-1.706

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.189	-3.012	-2.141
{\rm log}_{10}(\tau_{AGN})\,	0.975	1.402	1.864

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.397	0.586	0.738
0.03-0.10 Gyr	0.573	1.007	1.391
0.10-0.32 Gyr	0.324	0.761	1.062
0.32-1.04 Gyr	0.155	0.578	0.812
1.04-3.36 Gyr	0.403	0.805	1.038
3.36-10.84 Gyr	0.834	1.020	1.142
10.84-12.05 Gyr	0.624	1.101	1.593