2025absn

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Information

Transient

Name: AT2025absn
Right ascension: 16h18m11.88s
Declination: 13d25m58.96s
Discovery Date: Oct. 22, 2025, 2:08 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name: 1430933
Right ascension: 16h18m11.28s
Declination: 13d26m01.93s
Redshift: None
Photometric Redshift: 0.035

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	4.81
Cutout download	processed	18.88
Global aperture construction	processed	0.64
Local aperture photometry	processed	6.94
Global aperture photometry	processed	6.97
Validate local photometry	processed	0.03
Validate global photometry	processed	17.9
Host information	processed	0.05
Global host SED inference	processed	363.2
Local host SED inference	processed	418.39
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.12
Processing status	completed	N/A	N/A

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) = 16h18m11.88s, 13d25m58.96s
semi major axis, semi minor axis (arcsec) = 2.91, 2.91
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	3.33	2.71	22.595	0.883	AB
SDSS_g	21.96	1.46	20.546	0.072	AB
DES_g	22.73	0.33	20.508	0.016	AB
PanSTARRS_g	21.61	0.91	20.563	0.046	AB
SDSS_r	32.08	1.99	20.134	0.067	AB
PanSTARRS_r	30.13	0.78	20.203	0.028	AB
DES_r	36.24	0.54	20.002	0.016	AB
SDSS_i	38.46	2.6	19.937	0.073	AB
PanSTARRS_i	38.57	0.7	19.934	0.020	AB
PanSTARRS_z	42.53	2.11	19.828	0.054	AB
SDSS_z	45.71	11.38	19.750	0.270	AB
DES_z	49.86	1.87	19.656	0.041	AB
PanSTARRS_y	39.92	4.62	19.897	0.126	AB
2MASS_J	-13.36	56.71			Vega
2MASS_H	99.62	80.1	17.537	0.873	Vega
2MASS_K	-34.41	98.76			Vega

Aperture details

RA, DEC (J2000) = 16h18m11.28s, 13d26m02.07s
semi major axis, semi minor axis (arcsec) = 8.29, 5.79
angle (degrees, anti-clockwise from east) = -87.85

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	19.16	1.17	20.694	0.067	AB
GALEX_NUV	38.07	0.97	19.949	0.028	AB
SDSS_u	89.02	6.77	19.026	0.083	AB
SDSS_g	363.38	5.32	17.499	0.016	AB
DES_g	372.1	1.12	17.473	0.003	AB
PanSTARRS_g	383.79	2.16	17.440	0.006	AB
SDSS_r	581.62	7.03	16.988	0.013	AB
PanSTARRS_r	616.86	1.88	16.925	0.003	AB
DES_r	657.79	1.99	16.855	0.003	AB
SDSS_i	780.02	8.71	16.670	0.012	AB
PanSTARRS_i	799.08	1.69	16.644	0.002	AB
PanSTARRS_z	933.34	5.02	16.475	0.006	AB
SDSS_z	1005.16	27.92	16.394	0.030	AB
DES_z	1007.02	7.3	16.392	0.008	AB
PanSTARRS_y	1135.54	10.94	16.262	0.010	AB
2MASS_J	1198.64	145.42	15.308	0.132	Vega
2MASS_H	2038.02	203.88	14.259	0.109	Vega
2MASS_K	1318.6	252.69	14.262	0.208	Vega
WISE_W1	721.06	21.48	14.056	0.032	Vega
WISE_W2	465.03	21.22	13.892	0.050	Vega
WISE_W3	1437.56	84.61	10.832	0.064	Vega
WISE_W4	2463.54	583.89	8.801	0.257	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.946	8.164	8.293
{\rm log}_{10}({\rm SFR})	-2.037	-1.584	-1.034
{\rm log}_{10}({\rm sSFR})	-10.265	-9.732	-9.041
{\rm stellar\ age}	2.122	5.440	6.994

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.511	-0.967	-0.478
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.750	-1.475	-1.007

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.244	0.559	0.964
\delta	-0.555	-0.148	0.185
\tau_1/\tau_2	0.671	0.998	1.323
Q_{PAH}	1.126	3.277	5.762
U_{min}	3.009	8.213	15.177
{\rm log}_{10}(\gamma_e)\,	-2.935	-1.899	-0.701

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.268	-1.046	-0.238
{\rm log}_{10}(\tau_{AGN})\,	1.061	1.532	1.971

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.012	-1.592	-1.263
0.03-0.10 Gyr	-2.256	-1.628	-0.957
0.10-0.33 Gyr	-2.158	-1.550	-1.053
0.33-1.09 Gyr	-2.106	-1.572	-1.143
1.09-3.62 Gyr	-2.514	-1.741	-1.470
3.62-11.96 Gyr	-2.973	-1.901	-1.613
11.96-13.29 Gyr	-3.167	-1.992	-1.473

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.585	9.656	9.748
{\rm log}_{10}({\rm SFR})	-0.747	-0.536	-0.326
{\rm log}_{10}({\rm sSFR})	-10.416	-10.201	-9.977
{\rm stellar\ age}	6.237	7.215	8.280

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.989	-0.679	-0.449
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.600	-1.169	-0.023

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.315	0.485	0.675
\delta	-0.197	0.025	0.189
\tau_1/\tau_2	0.711	1.038	1.387
Q_{PAH}	0.393	1.186	2.262
U_{min}	2.157	6.094	12.499
{\rm log}_{10}(\gamma_e)\,	-3.517	-2.802	-1.927

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.127	-2.961	-2.162
{\rm log}_{10}(\tau_{AGN})\,	0.968	1.415	1.852

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.631	-0.466	-0.303
0.03-0.10 Gyr	-0.894	-0.577	-0.293
0.10-0.33 Gyr	-0.854	-0.500	-0.225
0.33-1.09 Gyr	-0.864	-0.516	-0.248
1.09-3.62 Gyr	-0.661	-0.348	-0.143
3.62-11.96 Gyr	-0.405	-0.225	-0.081
11.96-13.29 Gyr	-0.654	-0.196	0.245