2025absj

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Information

Transient

Name: AT2025absj
Right ascension: 2h19m00.61s
Declination: 23d21m50.55s
Discovery Date: Oct. 20, 2025, 6:12 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.075

Host

Name:
Right ascension: 2h19m00.60s
Declination: 23d21m54.25s
Redshift: None
Photometric Redshift: 0.105

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	18.12
Transient MWEBV	processed	0.05
Host match	processed	5.34
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.65
Global aperture photometry	processed	5.1
Validate global photometry	processed	13.23
Global host SED inference	processed	409.08
Local aperture photometry	processed	5.01
Validate local photometry	processed	0.03
Local host SED inference	processed	508.07

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) = 2h19m00.61s, 23d21m50.55s
semi major axis, semi minor axis (arcsec) = 1.04, 1.04
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_z	17.3	0.58	20.805	0.037	AB
PanSTARRS_y	13.39	1.6	21.083	0.130	AB

Aperture details

RA, DEC (J2000) = 2h19m00.59s, 23d21m54.31s
semi major axis, semi minor axis (arcsec) = 7.66, 7.09
angle (degrees, anti-clockwise from east) = -17.54

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	18.6	3.07	20.726	0.179	AB
GALEX_NUV	24.98	2.53	20.406	0.110	AB
DES_g	230.22	0.59	17.995	0.003	AB
PanSTARRS_g	222.45	1.84	18.032	0.009	AB
PanSTARRS_r	392.68	2.36	17.415	0.007	AB
DES_r	425.33	1.42	17.328	0.004	AB
PanSTARRS_i	561.27	2.74	17.027	0.005	AB
PanSTARRS_z	665.89	4.49	16.841	0.007	AB
DES_z	695.21	3.74	16.795	0.006	AB
PanSTARRS_y	785.82	11.31	16.662	0.016	AB
2MASS_J	936.61	178.38	15.576	0.207	Vega
2MASS_H	855.0	273.36	15.202	0.347	Vega
2MASS_K	1168.32	305.73	14.393	0.284	Vega
WISE_W1	495.37	18.51	14.464	0.041	Vega
WISE_W2	361.29	25.48	14.166	0.077	Vega
WISE_W3	1277.93	142.27	10.960	0.121	Vega
WISE_W4	428.21	645.3	10.701	1.636	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})\,	8.285	8.680	9.052
{\rm log}_{10}({\rm SFR})	-1.049	-0.605	-0.165
{\rm log}_{10}({\rm sSFR})	-9.889	-9.284	-8.574
{\rm stellar\ age}	0.741	5.305	7.541

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.652	-0.790	-0.074
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.344	-0.679	0.099

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.502	0.854	1.371
\delta	-0.552	-0.139	0.179
\tau_1/\tau_2	0.420	0.842	1.316
Q_{PAH}	0.726	2.568	4.953
U_{min}	3.095	8.329	15.517
{\rm log}_{10}(\gamma_e)\,	-3.095	-2.018	-0.743

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.030	-0.688	0.020
{\rm log}_{10}(\tau_{AGN})\,	1.090	1.648	2.010

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.919	-0.445	0.017
0.03-0.10 Gyr	-2.239	-0.946	-0.238
0.10-0.32 Gyr	-3.205	-1.314	-0.477
0.32-1.06 Gyr	-3.508	-1.385	-0.701
1.06-3.43 Gyr	-3.705	-1.585	-0.928
3.43-11.16 Gyr	-3.576	-1.456	-0.859
11.16-12.40 Gyr	-3.545	-1.463	-0.574

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.447	10.487	10.533
{\rm log}_{10}({\rm SFR})	0.096	0.301	0.547
{\rm log}_{10}({\rm sSFR})	-10.411	-10.180	-9.938
{\rm stellar\ age}	6.429	7.094	8.182

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.558	-0.380	-0.240
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.043	0.174	0.388

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.090	0.150	0.259
\delta	-0.776	-0.389	-0.003
\tau_1/\tau_2	0.788	1.139	1.479
Q_{PAH}	0.936	2.496	4.501
U_{min}	2.312	6.991	14.049
{\rm log}_{10}(\gamma_e)\,	-2.988	-1.830	-0.845

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.583	-2.353	-1.570
{\rm log}_{10}(\tau_{AGN})\,	1.174	1.614	1.932

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.182	0.090	0.235
0.03-0.10 Gyr	0.094	0.371	0.671
0.10-0.32 Gyr	0.147	0.398	0.626
0.32-1.06 Gyr	-0.026	0.266	0.448
1.06-3.43 Gyr	0.025	0.360	0.583
3.43-11.16 Gyr	0.495	0.646	0.737
11.16-12.40 Gyr	0.326	0.766	1.208