2025une

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Information

Transient

Name: AT2025une
Right ascension: 16h00m04.21s
Declination: 40d47m50.84s
Discovery Date: Aug. 17, 2025, 4:16 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name: SDSSJ160004.28+40475
Right ascension: 16h00m04.32s
Declination: 40d47m50.17s
Redshift: 0.068009
Photometric Redshift: 0.068

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	38.49
Transient MWEBV	processed	0.05
Host match	processed	3.93
Host information	processed	0.16
Host MWEBV	processed	0.05
Global aperture construction	processed	0.63
Global aperture photometry	processed	4.77
Validate global photometry	processed	13.92
Global host SED inference	processed	414.65
Local aperture photometry	processed	5.35
Validate local photometry	processed	0.02
Local host SED inference	processed	472.38

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) = 16h00m04.21s, 40d47m50.84s
semi major axis, semi minor axis (arcsec) = 1.54, 1.54
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	24.58	1.83	20.424	0.081	AB
SDSS_g	75.41	2.29	19.206	0.033	AB
PanSTARRS_g	88.7	0.45	19.030	0.005	AB
SDSS_r	126.16	2.99	18.648	0.026	AB
PanSTARRS_r	147.38	0.45	18.479	0.003	AB
SDSS_i	174.36	3.6	18.296	0.022	AB
PanSTARRS_i	187.89	0.41	18.215	0.002	AB
PanSTARRS_z	220.1	0.95	18.043	0.005	AB
SDSS_z	212.39	5.4	18.082	0.028	AB
PanSTARRS_y	236.63	2.2	17.965	0.010	AB

Aperture details

RA, DEC (J2000) = 16h00m04.26s, 40d47m50.30s
semi major axis, semi minor axis (arcsec) = 4.83, 4.62
angle (degrees, anti-clockwise from east) = -35.55

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	21.94	3.84	20.547	0.190	AB
GALEX_NUV	33.72	1.08	20.080	0.035	AB
SDSS_u	53.87	4.61	19.572	0.093	AB
SDSS_g	186.51	3.77	18.223	0.022	AB
PanSTARRS_g	192.57	1.26	18.189	0.007	AB
SDSS_r	293.56	4.91	17.731	0.018	AB
PanSTARRS_r	300.67	1.22	17.705	0.004	AB
SDSS_i	406.5	6.22	17.377	0.017	AB
PanSTARRS_i	397.56	1.17	17.402	0.003	AB
PanSTARRS_z	435.99	2.76	17.301	0.007	AB
SDSS_z	494.94	13.24	17.164	0.029	AB
PanSTARRS_y	469.71	6.6	17.220	0.015	AB
2MASS_J	513.86	112.74	16.228	0.238	Vega
2MASS_H	649.1	177.41	15.502	0.297	Vega
2MASS_K	469.64	180.22	15.383	0.417	Vega
WISE_W1	253.45	10.47	15.191	0.045	Vega
WISE_W2	155.52	12.51	15.082	0.087	Vega
WISE_W3	455.92	40.16	12.079	0.096	Vega
WISE_W4	451.19	266.25	10.644	0.641	Vega

Imaging data

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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})\,	9.507	9.610	9.720
{\rm log}_{10}({\rm SFR})	-1.985	-1.066	-0.501
{\rm log}_{10}({\rm sSFR})	-11.607	-10.708	-10.153
{\rm stellar\ age}	5.715	7.184	8.626

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.358	-0.941	-0.620
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.704	-0.961	-0.110

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.152	0.366	0.653
\delta	-0.603	-0.049	0.272
\tau_1/\tau_2	0.634	0.992	1.352
Q_{PAH}	1.046	3.377	5.737
U_{min}	3.019	8.252	15.372
{\rm log}_{10}(\gamma_e)\,	-3.176	-2.084	-0.961

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.789	-1.021	-0.526
{\rm log}_{10}(\tau_{AGN})\,	0.954	1.435	1.898

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.537	-1.477	-1.031
0.03-0.10 Gyr	-2.108	-1.018	-0.370
0.10-0.33 Gyr	-1.682	-0.759	-0.274
0.33-1.08 Gyr	-1.455	-0.705	-0.282
1.08-3.53 Gyr	-1.188	-0.471	-0.154
3.53-11.57 Gyr	-0.673	-0.278	-0.103
11.57-12.85 Gyr	-0.872	-0.213	0.360

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.868	9.936	10.027
{\rm log}_{10}({\rm SFR})	-0.513	-0.264	-0.008
{\rm log}_{10}({\rm sSFR})	-10.441	-10.198	-9.964
{\rm stellar\ age}	7.358	8.182	10.931

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.196	-0.912	-0.717
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.779	-0.121	0.343

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.082	0.164	0.306
\delta	-0.398	-0.030	0.210
\tau_1/\tau_2	0.733	1.112	1.511
Q_{PAH}	0.812	2.099	3.924
U_{min}	2.830	7.978	15.125
{\rm log}_{10}(\gamma_e)\,	-2.778	-1.852	-0.989

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.990	-2.621	-1.656
{\rm log}_{10}(\tau_{AGN})\,	1.046	1.505	1.868

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.865	-0.633	-0.474
0.03-0.10 Gyr	-0.478	-0.158	0.126
0.10-0.33 Gyr	-0.899	-0.420	-0.138
0.33-1.08 Gyr	-1.398	-0.724	-0.409
1.08-3.53 Gyr	-1.537	-0.683	-0.281
3.53-11.57 Gyr	-0.397	0.058	0.186
11.57-12.85 Gyr	-0.113	0.405	1.058