2025whz

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Information

Transient

Name: AT2025whz
Right ascension: 1h49m59.24s
Declination: 17d50m22.44s
Discovery Date: Aug. 30, 2025, 1:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name:
Right ascension: 1h49m59.27s
Declination: 17d50m22.14s
Redshift: None
Photometric Redshift: 0.184

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.5
Transient MWEBV	processed	0.05
Host match	processed	5.91
Host information	processed	0.13
Host MWEBV	processed	0.04
Global aperture construction	processed	0.7
Global aperture photometry	processed	4.4
Validate global photometry	processed	13.46
Global host SED inference	processed	420.13
Local aperture photometry	processed	4.98
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) = 1h49m59.24s, 17d50m22.44s
semi major axis, semi minor axis (arcsec) = 0.65, 0.65
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) = 1h49m59.26s, 17d50m22.27s
semi major axis, semi minor axis (arcsec) = 3.93, 1.97
angle (degrees, anti-clockwise from east) = -45.78

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	6.39	2.05	21.886	0.348	AB
SDSS_u	10.34	3.4	21.363	0.357	AB
SDSS_g	20.04	1.52	20.645	0.083	AB
PanSTARRS_g	22.5	0.71	20.519	0.034	AB
SDSS_r	39.44	2.19	19.910	0.060	AB
PanSTARRS_r	40.38	0.95	19.885	0.026	AB
SDSS_i	54.8	3.01	19.553	0.060	AB
PanSTARRS_i	54.59	1.17	19.557	0.023	AB
PanSTARRS_z	67.87	1.67	19.321	0.027	AB
SDSS_z	65.43	8.53	19.360	0.142	AB
PanSTARRS_y	80.43	4.52	19.136	0.061	AB
2MASS_J	21.75	68.47	19.661	3.418	Vega
2MASS_H	124.12	100.08	17.298	0.875	Vega
2MASS_K	225.84	147.27	16.178	0.708	Vega
WISE_W1	45.32	8.23	17.060	0.197	Vega
WISE_W2	30.64	11.78	16.845	0.417	Vega
WISE_W3	143.71	49.59	13.332	0.375	Vega
WISE_W4	663.56	355.39	10.225	0.581	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})\,	9.893	10.029	10.151
{\rm log}_{10}({\rm SFR})	-0.367	0.298	0.671
{\rm log}_{10}({\rm sSFR})	-10.330	-9.735	-9.325
{\rm stellar\ age}	4.574	6.285	8.444

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.496	-1.018	-0.419
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.610	-0.748	0.099

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.345	0.617	0.893
\delta	-0.135	0.127	0.298
\tau_1/\tau_2	0.682	1.096	1.500
Q_{PAH}	0.794	2.356	4.647
U_{min}	3.418	9.370	16.789
{\rm log}_{10}(\gamma_e)\,	-2.548	-1.441	-0.441

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.776	-1.945	-0.952
{\rm log}_{10}(\tau_{AGN})\,	1.018	1.448	1.883

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.466	-0.860	-0.196
0.03-0.10 Gyr	-0.282	0.436	0.825
0.10-0.32 Gyr	-0.437	0.407	0.803
0.32-1.02 Gyr	-1.570	-0.158	0.316
1.02-3.24 Gyr	-1.657	-0.121	0.241
3.24-10.34 Gyr	-0.634	0.116	0.328
10.34-11.48 Gyr	-0.696	0.289	1.047