2025agir

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Information

Transient

Name: AT2025agir
Right ascension: 12h28m17.12s
Declination: 12d18m48.31s
Discovery Date: Nov. 13, 2025, 1:23 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name: SDSSJ122817.11+12184
Right ascension: 12h28m17.04s
Declination: 12d18m48.06s
Redshift: None
Photometric Redshift: 0.047

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	20.11
Transient MWEBV	processed	0.05
Host match	processed	4.49
Host information	processed	0.17
Host MWEBV	processed	0.06
Global aperture construction	processed	0.65
Global aperture photometry	processed	7.2
Validate global photometry	processed	18.33
Global host SED inference	processed	525.35
Local aperture photometry	processed	7.32
Validate local photometry	processed	0.02
Local host SED inference	processed	440.45

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) = 12h28m17.12s, 12d18m48.31s
semi major axis, semi minor axis (arcsec) = 2.18, 2.18
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	55.86	2.5	19.532	0.049	AB
SDSS_g	265.71	4.28	17.839	0.018	AB
DES_g	277.03	0.83	17.794	0.003	AB
PanSTARRS_g	271.49	0.57	17.816	0.002	AB
SDSS_r	557.94	6.22	17.034	0.012	AB
PanSTARRS_r	483.9	0.61	17.188	0.001	AB
DES_r	619.97	1.93	16.919	0.003	AB
SDSS_i	779.52	7.4	16.670	0.010	AB
PanSTARRS_i	746.67	0.97	16.717	0.001	AB
PanSTARRS_z	900.76	1.67	16.513	0.002	AB
SDSS_z	1008.81	10.22	16.390	0.011	AB
DES_z	1000.81	6.19	16.399	0.007	AB
PanSTARRS_y	1023.32	2.92	16.375	0.003	AB

Aperture details

RA, DEC (J2000) = 12h28m17.10s, 12d18m48.22s
semi major axis, semi minor axis (arcsec) = 5.16, 4.05
angle (degrees, anti-clockwise from east) = -44.29

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	4.08	0.16	22.374	0.042	AB
SDSS_u	83.66	4.23	19.094	0.055	AB
SDSS_g	363.06	5.15	17.500	0.015	AB
DES_g	376.66	1.01	17.460	0.003	AB
PanSTARRS_g	382.06	1.01	17.445	0.003	AB
SDSS_r	734.47	7.38	16.735	0.011	AB
PanSTARRS_r	703.71	1.07	16.782	0.002	AB
DES_r	808.5	2.26	16.631	0.003	AB
SDSS_i	1027.32	8.9	16.371	0.009	AB
PanSTARRS_i	1023.62	1.74	16.375	0.002	AB
PanSTARRS_z	1223.18	3.18	16.181	0.003	AB
SDSS_z	1361.76	15.92	16.065	0.013	AB
DES_z	1324.12	7.2	16.095	0.006	AB
PanSTARRS_y	1432.04	5.89	16.010	0.004	AB
2MASS_J	1892.14	107.13	14.813	0.061	Vega
2MASS_H	2139.79	170.16	14.206	0.086	Vega
WISE_W1	638.82	14.69	14.188	0.025	Vega
WISE_W2	353.33	18.0	14.191	0.055	Vega
WISE_W3	99.97	57.62	13.726	0.626	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})\,	9.775	9.913	10.020
{\rm log}_{10}({\rm SFR})	-0.807	-0.265	0.204
{\rm log}_{10}({\rm sSFR})	-10.754	-10.166	-9.629
{\rm stellar\ age}	5.388	7.247	8.836

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.360	-0.892	-0.602
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.818	-1.450	0.107

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.488	0.679	0.975
\delta	-0.887	-0.719	-0.512
\tau_1/\tau_2	0.619	0.934	1.270
Q_{PAH}	0.433	1.583	3.473
U_{min}	2.506	7.660	14.470
{\rm log}_{10}(\gamma_e)\,	-3.457	-2.271	-1.377

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.268	-2.965	-1.368
{\rm log}_{10}(\tau_{AGN})\,	0.998	1.447	1.876

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.642	-0.273	0.015
0.03-0.10 Gyr	-1.163	-0.283	0.276
0.10-0.33 Gyr	-1.268	-0.375	0.185
0.33-1.09 Gyr	-1.195	-0.396	0.070
1.09-3.58 Gyr	-0.888	-0.182	0.099
3.58-11.82 Gyr	-0.438	-0.015	0.194
11.82-13.13 Gyr	-0.628	0.045	0.676

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.129	10.255	10.301
{\rm log}_{10}({\rm SFR})	-6.250	-2.673	-1.331
{\rm log}_{10}({\rm sSFR})	-16.509	-12.909	-11.552
{\rm stellar\ age}	7.832	12.036	12.467

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.662	-1.335	-1.052
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.348	-0.433	0.213

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.246	0.360	0.495
\delta	-0.863	-0.648	-0.448
\tau_1/\tau_2	0.490	0.947	1.393
Q_{PAH}	0.620	2.085	4.254
U_{min}	3.501	10.585	18.469
{\rm log}_{10}(\gamma_e)\,	-2.928	-1.849	-0.932

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.448	-3.554	-2.577
{\rm log}_{10}(\tau_{AGN})\,	1.143	1.661	1.995

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-7.443	-3.240	-1.634
0.03-0.10 Gyr	-6.893	-3.015	-1.254
0.10-0.33 Gyr	-6.961	-3.483	-1.428
0.33-1.09 Gyr	-7.030	-3.941	-1.508
1.09-3.58 Gyr	-4.881	-2.771	-0.879
3.58-11.82 Gyr	-2.624	-0.535	0.415
11.82-13.13 Gyr	0.059	1.368	1.436