2025qde

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Information

Transient

Name: AT2025qde
Right ascension: 23h39m25.99s
Declination: -0d39m56.06s
Discovery Date: July 1, 2025, 4 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name:
Right ascension: 23h39m26.11s
Declination: -0d39m55.21s
Redshift: None
Photometric Redshift: 0.098

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	21.96
Transient MWEBV	processed	0.03
Host match	processed	6.91
Host information	processed	0.14
Host MWEBV	processed	0.04
Global aperture construction	processed	2.84
Global aperture photometry	processed	6.02
Validate global photometry	processed	17.45
Global host SED inference	processed	417.28
Local aperture photometry	processed	6.84
Validate local photometry	processed	0.03
Local host SED inference	processed	510.46

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) = 23h39m25.99s, -0d39m56.06s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_r	2.91	0.25	22.738	0.092	AB
PanSTARRS_z	1.22	0.72	23.681	0.636	AB
DES_z	1.6	0.58	23.391	0.397	AB
PanSTARRS_y	2.51	1.64	22.900	0.709	AB

Aperture details

RA, DEC (J2000) = 23h39m26.11s, -0d39m54.93s
semi major axis, semi minor axis (arcsec) = 5.08, 2.58
angle (degrees, anti-clockwise from east) = -103.88

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.19	0.39	22.640	0.132	AB
GALEX_NUV	2.93	0.35	22.733	0.129	AB
SDSS_u	14.36	2.83	21.007	0.214	AB
SDSS_g	13.6	1.51	21.066	0.121	AB
DES_g	14.13	0.31	21.025	0.024	AB
PanSTARRS_g	14.27	0.97	21.014	0.074	AB
SDSS_r	19.43	2.05	20.679	0.114	AB
PanSTARRS_r	20.69	1.2	20.611	0.063	AB
DES_r	18.24	0.65	20.748	0.039	AB
SDSS_i	19.73	2.91	20.662	0.160	AB
PanSTARRS_i	21.47	1.14	20.570	0.058	AB
PanSTARRS_z	21.91	2.29	20.548	0.113	AB
SDSS_z	-4.44	10.92			AB
DES_z	15.23	1.87	20.943	0.133	AB
PanSTARRS_y	14.97	5.22	20.962	0.378	AB
2MASS_J	16.85	87.5	19.939	5.638	Vega
2MASS_H	70.52	142.06	17.912	2.187	Vega
2MASS_K	-275.03	189.53			Vega
WISE_W1	10.56	6.69	18.641	0.687	Vega
WISE_W2	13.04	10.21	17.773	0.850	Vega
WISE_W3	33.07	55.66	14.927	1.827	Vega
WISE_W4	0.92	398.12	17.365	467.507	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})\,	7.878	8.440	8.724
{\rm log}_{10}({\rm SFR})	-0.961	-0.509	0.034
{\rm log}_{10}({\rm sSFR})	-9.528	-8.868	-7.983
{\rm stellar\ age}	0.177	4.733	7.113

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.500	-0.861	-0.212
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.489	-0.589	0.117

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.478	2.044	2.663
\delta	0.016	0.180	0.316
\tau_1/\tau_2	0.625	0.985	1.402
Q_{PAH}	0.645	2.104	4.631
U_{min}	2.982	8.716	16.474
{\rm log}_{10}(\gamma_e)\,	-3.219	-2.036	-0.893

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.848	-1.234	-0.105
{\rm log}_{10}(\tau_{AGN})\,	0.932	1.344	1.856

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.860	-0.251	0.219
0.03-0.10 Gyr	-2.654	-1.069	-0.232
0.10-0.33 Gyr	-3.800	-1.635	-0.844
0.33-1.06 Gyr	-4.883	-1.900	-1.172
1.06-3.45 Gyr	-5.261	-1.885	-1.219
3.45-11.23 Gyr	-5.473	-1.927	-1.219
11.23-12.48 Gyr	-5.784	-1.915	-0.969

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.233	8.521	8.703
{\rm log}_{10}({\rm SFR})	-1.108	-0.605	0.013
{\rm log}_{10}({\rm sSFR})	-9.733	-9.077	-8.224
{\rm stellar\ age}	0.386	2.926	5.621

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.759	-1.270	-0.229
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.039	-0.577	-0.159

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.136	0.349	0.828
\delta	-0.669	-0.188	0.111
\tau_1/\tau_2	0.636	1.084	1.529
Q_{PAH}	1.521	3.400	5.354
U_{min}	3.244	8.983	16.591
{\rm log}_{10}(\gamma_e)\,	-2.805	-1.576	-0.513

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.227	-0.683	-0.098
{\rm log}_{10}(\tau_{AGN})\,	1.004	1.383	1.782

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.225	-0.846	-0.479
0.03-0.10 Gyr	-1.185	-0.554	0.142
0.10-0.33 Gyr	-1.492	-0.667	-0.162
0.33-1.06 Gyr	-2.897	-1.186	-0.670
1.06-3.45 Gyr	-3.973	-1.636	-1.077
3.45-11.23 Gyr	-4.440	-1.992	-1.296
11.23-12.48 Gyr	-4.297	-1.970	-1.171