2025aexy

Download data

Information

Transient

Name: AT2025aexy
Right ascension: 1h28m50.97s
Declination: 0d33m03.82s
Discovery Date: Nov. 19, 2025, 5:16 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name:
Right ascension: 1h28m51.04s
Declination: 0d33m02.11s
Redshift: None
Photometric Redshift: 0.089

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	19.25
Transient MWEBV	processed	0.04
Host match	processed	7.5
Host information	processed	0.22
Host MWEBV	processed	0.04
Global aperture construction	processed	2.7
Global aperture photometry	processed	8.07
Validate global photometry	processed	17.91
Global host SED inference	processed	515.25
Local aperture photometry	processed	7.09
Validate local photometry	processed	0.04
Local host SED inference	processed	885.12

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) = 1h28m50.97s, 0d33m03.82s
semi major axis, semi minor axis (arcsec) = 1.21, 1.21
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	1.47	0.08	23.483	0.056	AB
PanSTARRS_r	2.24	0.31	23.025	0.148	AB
DES_r	1.88	0.11	23.214	0.064	AB
PanSTARRS_i	2.38	0.35	22.960	0.159	AB
PanSTARRS_z	3.89	0.8	22.426	0.224	AB
DES_z	1.94	0.28	23.181	0.159	AB
PanSTARRS_y	3.99	1.86	22.397	0.505	AB

Aperture details

RA, DEC (J2000) = 1h28m50.99s, 0d33m03.06s
semi major axis, semi minor axis (arcsec) = 7.07, 2.26
angle (degrees, anti-clockwise from east) = -45.11

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	3.82	0.42	22.445	0.119	AB
GALEX_NUV	4.82	0.38	22.193	0.086	AB
SDSS_u	3.96	3.1	22.406	0.851	AB
SDSS_g	15.55	1.63	20.921	0.114	AB
DES_g	10.56	0.24	21.341	0.024	AB
PanSTARRS_g	14.07	1.08	21.029	0.084	AB
SDSS_r	12.6	2.13	21.149	0.183	AB
PanSTARRS_r	15.35	0.99	20.934	0.070	AB
DES_r	14.04	0.35	21.032	0.027	AB
SDSS_i	15.98	3.23	20.891	0.219	AB
PanSTARRS_i	16.27	1.12	20.872	0.075	AB
PanSTARRS_z	20.38	2.56	20.627	0.137	AB
SDSS_z	6.25	10.26	21.910	1.782	AB
DES_z	17.58	0.89	20.788	0.055	AB
PanSTARRS_y	7.31	5.92	21.740	0.879	AB
2MASS_J	-23.92	114.82			Vega
2MASS_H	-211.48	168.0			Vega
2MASS_K	-292.31	197.37			Vega
WISE_W1	3.45	8.16	19.857	2.569	Vega
WISE_W2	-1.08	11.53			Vega
WISE_W3	-40.04	49.39			Vega
WISE_W4	58.8	283.43	12.857	5.234	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Click the image to load the interactive plot.

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.597	7.908	8.160
{\rm log}_{10}({\rm SFR})	-1.348	-0.669	0.030
{\rm log}_{10}({\rm sSFR})	-9.278	-8.445	-7.921
{\rm stellar\ age}	0.075	0.678	4.647

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.778	-1.323	-0.462
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.353	-0.817	-0.204

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	1.136	1.749	2.434
\delta	0.063	0.231	0.339
\tau_1/\tau_2	0.763	1.280	1.709
Q_{PAH}	1.761	3.897	5.898
U_{min}	3.521	10.149	18.761
{\rm log}_{10}(\gamma_e)\,	-3.054	-1.769	-0.516

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-0.921	0.125	0.393
{\rm log}_{10}(\tau_{AGN})\,	1.071	1.456	1.917

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.041	-1.210	-0.584
0.03-0.10 Gyr	-1.601	-0.655	0.172
0.10-0.33 Gyr	-3.329	-1.437	-0.693
0.33-1.06 Gyr	-5.284	-2.573	-1.425
1.06-3.47 Gyr	-6.814	-3.600	-1.962
3.47-11.33 Gyr	-7.881	-4.032	-2.164
11.33-12.59 Gyr	-8.177	-3.726	-1.998

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.235	8.483	8.687
{\rm log}_{10}({\rm SFR})	-0.913	-0.402	0.228
{\rm log}_{10}({\rm sSFR})	-9.417	-8.835	-8.040
{\rm stellar\ age}	0.247	4.321	6.738

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.728	-1.167	-0.324
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.620	-0.928	0.010

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.131	0.652	1.341
\delta	-0.021	0.239	0.351
\tau_1/\tau_2	0.668	1.129	1.567
Q_{PAH}	1.115	3.059	5.117
U_{min}	3.619	10.106	17.933
{\rm log}_{10}(\gamma_e)\,	-2.819	-1.591	-0.621

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.368	-0.536	0.071
{\rm log}_{10}(\tau_{AGN})\,	1.207	1.510	1.859

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.997	-1.278	-0.785
0.03-0.10 Gyr	-0.830	-0.270	0.381
0.10-0.33 Gyr	-2.624	-0.973	-0.277
0.33-1.06 Gyr	-3.966	-1.653	-1.075
1.06-3.47 Gyr	-4.581	-1.757	-1.261
3.47-11.33 Gyr	-5.013	-1.872	-1.332
11.33-12.59 Gyr	-5.266	-1.816	-0.952