2026dvu results

2026dvu results

Information

Transient

Name:	`AT2026dvu`
Right ascension:	`12h39m22.81s`
Declination:	`-4d52m03.43s`
Discovery Date:	`Feb. 21, 2026, 11:27 p.m.`
Classification:	`AGN`
Redshift:	`0.057000`
MW E(B-V):	`0.022`

Host

Name:	`J123922.84-045203.45`
Right ascension:	`12h39m22.84s`
Declination:	`-4d52m03.45s`
Redshift:	`None`
Photometric Redshift:	`0.038`

Cutout Download Report

Downloaded	Unavailable
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 DES_r DES_z	SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_i DES_Y

Processing Status: blocked

Task Name	Status	Time (s)
Cutout download	processed	5.44
Transient MWEBV	processed	0.06
Host match	processed	6.32
Host information	processed	0.16
Host MWEBV	processed	0.08
Global aperture construction	processed	0.71
Global aperture photometry	processed	4.73
Validate global photometry	phot valid failed	0.01
Global host SED inference	not processed	635.34
Local aperture photometry	processed	4.57
Validate local photometry	processed	0.02
Local host SED inference	processed	660.57

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	12h39m22.81s, -4d52m03.43s
semi major axis, semi minor axis (arcsec):	1.81, 1.81
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	806.83	1.33	16.633	0.002	AB
PanSTARRS_g	414.8	0.56	17.355	0.001	AB
PanSTARRS_r	823.12	0.8	16.611	0.001	AB
DES_r	1040.46	2.41	16.357	0.003	AB
PanSTARRS_i	1346.81	1.09	16.077	0.001	AB
PanSTARRS_z	1644.15	1.61	15.860	0.001	AB
DES_z	1916.43	7.07	15.694	0.004	AB
PanSTARRS_y	1914.85	2.4	15.695	0.001	AB

Aperture details

RA, DEC (J2000):	12h39m22.82s, -4d52m03.30s
semi major axis, semi minor axis (arcsec):	21.16, 12.25
angle (degrees, anti-clockwise from east):	-47.7

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	2408.2	2.61	15.446	0.001	AB

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.203	10.391	10.512
{\rm log}_{10}({\rm SFR})	0.085	0.612	1.062
{\rm log}_{10}({\rm sSFR})	-10.371	-9.847	-9.172
{\rm stellar\ age}	5.512	7.429	9.266

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.511	-0.162	0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.412	-1.109	-0.755

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.421	0.752	1.153
\delta	-0.671	-0.327	-0.024
\tau_1/\tau_2	0.461	0.862	1.291
Q_{PAH}	0.337	1.430	3.048
U_{min}	2.674	7.527	14.662
{\rm log}_{10}(\gamma_e)\,	-3.435	-2.061	-0.948

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.195	-1.870	-0.262
{\rm log}_{10}(\tau_{AGN})\,	0.950	1.447	2.013

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.329	0.683	1.000
0.03-0.10 Gyr	-0.312	0.522	1.119
0.10-0.33 Gyr	-0.719	0.025	0.539
0.33-1.10 Gyr	-1.566	-0.218	0.252
1.10-3.63 Gyr	-1.350	-0.065	0.306
3.63-12.02 Gyr	-0.712	0.146	0.380
12.02-13.36 Gyr	-0.506	0.351	1.207
0.33-1.08 Gyr	-0.815	-0.081	0.314
1.08-3.56 Gyr	-0.747	0.127	0.512
3.56-11.70 Gyr	-0.175	0.452	0.658
11.70-13.00 Gyr	-0.220	0.602	1.259

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.566	10.627	10.710
{\rm log}_{10}({\rm SFR})	0.125	0.399	0.682
{\rm log}_{10}({\rm sSFR})	-10.514	-10.227	-9.927
{\rm stellar\ age}	8.014	9.496	12.213

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.700	-0.465	-0.280
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.617	0.281	0.442

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.363	0.517	0.708
\delta	-0.245	-0.054	0.109
\tau_1/\tau_2	0.526	0.899	1.281
Q_{PAH}	0.077	0.261	0.556
U_{min}	2.259	5.594	11.908
{\rm log}_{10}(\gamma_e)\,	-3.780	-3.372	-2.817

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.461	-1.362	-1.269
{\rm log}_{10}(\tau_{AGN})\,	0.731	0.790	0.877

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.239	0.151	0.390
0.03-0.10 Gyr	0.089	0.468	0.800
0.10-0.33 Gyr	-1.218	-0.200	0.238
0.33-1.10 Gyr	-2.342	-0.678	-0.205
1.10-3.63 Gyr	-1.699	-0.505	0.056
3.63-12.02 Gyr	-0.244	0.678	0.840
12.02-13.36 Gyr	0.666	1.323	1.792