2025wwu

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Information

Transient

Name: AT2025wwu
Right ascension: 17h38m42.23s
Declination: 73d30m49.06s
Discovery Date: Sept. 2, 2025, 5:51 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.031

Host

Name:
Right ascension: 17h38m42.38s
Declination: 73d30m56.56s
Redshift: 0.039816
Photometric Redshift: 0.051

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	20.75
Transient MWEBV	processed	0.05
Host match	processed	5.72
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	3.71
Validate global photometry	processed	10.84
Global host SED inference	processed	384.8
Local aperture photometry	processed	4.56
Validate local photometry	processed	0.02
Local host SED inference	processed	469.64

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) = 17h38m42.23s, 73d30m49.06s
semi major axis, semi minor axis (arcsec) = 2.54, 2.54
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	72.97	0.79	19.242	0.012	AB
PanSTARRS_r	109.59	1.15	18.801	0.011	AB
PanSTARRS_i	136.53	0.97	18.562	0.008	AB
PanSTARRS_z	159.36	2.33	18.394	0.016	AB
PanSTARRS_y	184.96	4.95	18.232	0.029	AB

Aperture details

RA, DEC (J2000) = 17h38m42.33s, 73d30m56.65s
semi major axis, semi minor axis (arcsec) = 14.89, 10.9
angle (degrees, anti-clockwise from east) = -28.55

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	192.51	6.34	18.189	0.036	AB
PanSTARRS_g	1669.79	3.98	15.843	0.003	AB
PanSTARRS_r	2663.9	5.78	15.336	0.002	AB
PanSTARRS_i	3510.5	4.81	15.037	0.001	AB
PanSTARRS_z	4206.94	11.55	14.840	0.003	AB
PanSTARRS_y	5061.58	24.59	14.639	0.005	AB
2MASS_J	5515.51	305.93	13.651	0.060	Vega
2MASS_H	7483.62	498.18	12.847	0.072	Vega
2MASS_K	6081.44	550.62	12.602	0.098	Vega
WISE_W1	3180.48	20.99	12.445	0.007	Vega
WISE_W2	2009.42	29.91	12.303	0.016	Vega
WISE_W3	8336.96	88.88	8.923	0.012	Vega
WISE_W4	7734.78	493.63	7.559	0.069	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.715	8.928	9.080
{\rm log}_{10}({\rm SFR})	-1.606	-1.006	-0.353
{\rm log}_{10}({\rm sSFR})	-10.609	-9.968	-9.207
{\rm stellar\ age}	2.289	6.306	8.183

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.591	-0.939	-0.426
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.606	-0.873	-0.120

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.239	0.659	1.059
\delta	-0.507	-0.128	0.178
\tau_1/\tau_2	0.672	1.047	1.414
Q_{PAH}	0.705	3.002	5.337
U_{min}	3.114	8.515	15.627
{\rm log}_{10}(\gamma_e)\,	-3.337	-1.880	-0.508

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.696	-1.721	-0.466
{\rm log}_{10}(\tau_{AGN})\,	0.926	1.531	1.964

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.983	-1.250	-0.831
0.03-0.10 Gyr	-1.791	-0.975	-0.238
0.10-0.33 Gyr	-1.900	-0.947	-0.340
0.33-1.09 Gyr	-2.234	-1.104	-0.582
1.09-3.60 Gyr	-2.287	-1.131	-0.793
3.60-11.90 Gyr	-2.583	-1.094	-0.801
11.90-13.22 Gyr	-2.495	-1.110	-0.441

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.311	10.410	10.507
{\rm log}_{10}({\rm SFR})	0.100	0.361	0.667
{\rm log}_{10}({\rm sSFR})	-10.365	-10.069	-9.699
{\rm stellar\ age}	6.591	7.727	9.675

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.549	-0.359	-0.227
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.003	-0.023	0.286

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.177	0.299	0.461
\delta	-0.618	-0.309	0.001
\tau_1/\tau_2	0.730	1.114	1.481
Q_{PAH}	0.797	1.729	3.253
U_{min}	2.650	7.091	13.800
{\rm log}_{10}(\gamma_e)\,	-3.098	-2.127	-1.414

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.756	-2.585	-1.814
{\rm log}_{10}(\tau_{AGN})\,	1.086	1.552	1.953

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.211	0.144	0.372
0.03-0.10 Gyr	0.070	0.429	0.785
0.10-0.33 Gyr	-0.328	0.226	0.539
0.33-1.09 Gyr	-0.571	0.025	0.357
1.09-3.60 Gyr	-0.482	0.136	0.443
3.60-11.90 Gyr	0.216	0.503	0.663
11.90-13.22 Gyr	0.168	0.680	1.296