2025uhn

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Information

Transient

Name: AT2025uhn
Right ascension: 4h14m29.80s
Declination: -3d26m47.13s
Discovery Date: Aug. 12, 2025, 7:08 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name:
Right ascension: 4h14m29.79s
Declination: -3d26m47.05s
Redshift: None
Photometric Redshift: 0.177

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.89
Transient MWEBV	processed	0.04
Host match	processed	6.17
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	2.67
Global aperture photometry	processed	5.24
Validate global photometry	processed	13.48
Global host SED inference	processed	832.39
Local aperture photometry	processed	5.82
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) = 4h14m29.80s, -3d26m47.13s
semi major axis, semi minor axis (arcsec) = 0.67, 0.67
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) = 4h14m29.77s, -3d26m46.84s
semi major axis, semi minor axis (arcsec) = 4.78, 3.79
angle (degrees, anti-clockwise from east) = -76.78

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	0.71	1.41	24.273	2.152	AB
GALEX_NUV	2.59	1.24	22.866	0.519	AB
DES_g	12.48	0.32	21.160	0.028	AB
PanSTARRS_g	15.82	1.08	20.902	0.074	AB
PanSTARRS_r	17.89	1.38	20.768	0.084	AB
DES_r	21.67	0.86	20.561	0.043	AB
PanSTARRS_i	17.02	1.5	20.823	0.096	AB
PanSTARRS_z	23.21	2.58	20.486	0.120	AB
DES_z	26.08	1.79	20.359	0.074	AB
PanSTARRS_y	13.2	7.92	21.098	0.651	AB
2MASS_J	90.44	103.67	18.114	1.244	Vega
2MASS_H	-141.07	168.94			Vega
2MASS_K	112.46	213.4	16.935	2.060	Vega
WISE_W1	0.76	9.84	21.505	14.144	Vega
WISE_W2	-11.58	11.98			Vega
WISE_W3	12.05	61.49	16.024	5.541	Vega
WISE_W4	-332.32	396.13			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})\,	8.835	9.044	9.221
{\rm log}_{10}({\rm SFR})	-2.970	-0.956	0.573
{\rm log}_{10}({\rm sSFR})	-11.996	-10.093	-8.319
{\rm stellar\ age}	0.193	0.398	2.499

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.609	-0.971	-0.036
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.423	-0.675	0.000

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.203	0.495	0.995
\delta	-0.636	-0.206	0.163
\tau_1/\tau_2	0.557	1.039	1.531
Q_{PAH}	1.702	3.950	5.959
U_{min}	4.482	11.658	19.232
{\rm log}_{10}(\gamma_e)\,	-2.922	-1.666	-0.528

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.349	-0.486	0.076
{\rm log}_{10}(\tau_{AGN})\,	0.919	1.351	1.851

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.702	-2.491	-1.199
0.03-0.10 Gyr	-3.131	-0.874	0.733
0.10-0.32 Gyr	-1.078	0.426	0.811
0.32-1.02 Gyr	-3.525	-1.303	0.195
1.02-3.26 Gyr	-6.528	-3.473	-0.985
3.26-10.40 Gyr	-7.640	-4.142	-1.426
10.40-11.56 Gyr	-8.273	-4.014	-1.260