2025epg

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Information

Transient

Name: AT2025epg
Right ascension: 11h55m53.05s
Declination: 11d31m30.84s
Discovery Date: Feb. 23, 2025, 9:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name: 2025epg
Right ascension: 11h55m53.45s
Declination: 11d31m23.74s
Redshift: 0.069135
Photometric Redshift: 0.057

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	1.9
Cutout download	processed	19.77
Global aperture construction	processed	0.62
Local aperture photometry	processed	5.76
Global aperture photometry	processed	6.09
Validate local photometry	processed	0.03
Validate global photometry	processed	16.95
Host information	processed	0.08
Global host SED inference	processed	412.8
Local host SED inference	processed	449.34
Transient information	processed	0.0
Transient MWEBV	processed	0.05
Host MWEBV	processed	0.04
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) = 11h55m53.05s, 11d31m30.84s
semi major axis, semi minor axis (arcsec) = 1.51, 1.51
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	11.19	1.06	21.278	0.103	AB
DES_g	12.99	0.21	21.116	0.018	AB
PanSTARRS_g	13.63	0.37	21.064	0.029	AB
SDSS_r	26.23	1.51	20.353	0.063	AB
PanSTARRS_r	26.0	0.5	20.362	0.021	AB
DES_r	27.61	0.49	20.297	0.019	AB
SDSS_i	41.07	2.07	19.866	0.055	AB
PanSTARRS_i	31.81	0.7	20.143	0.024	AB
PanSTARRS_z	45.71	1.19	19.750	0.028	AB
SDSS_z	58.17	3.93	19.488	0.073	AB
DES_z	48.69	1.06	19.681	0.024	AB
PanSTARRS_y	61.72	2.14	19.424	0.038	AB

Aperture details

RA, DEC (J2000) = 11h55m53.42s, 11d31m24.00s
semi major axis, semi minor axis (arcsec) = 16.62, 14.81
angle (degrees, anti-clockwise from east) = -113.09

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	28.62	5.37	20.258	0.204	AB
GALEX_NUV	48.85	6.12	19.678	0.136	AB
SDSS_u	302.3	13.4	17.699	0.048	AB
SDSS_g	1858.01	12.82	15.727	0.007	AB
DES_g	1979.92	2.47	15.658	0.001	AB
PanSTARRS_g	1888.98	3.79	15.709	0.002	AB
SDSS_r	4243.44	18.49	14.831	0.005	AB
PanSTARRS_r	3983.7	5.16	14.899	0.001	AB
DES_r	4592.41	6.07	14.745	0.001	AB
SDSS_i	6330.17	24.2	14.396	0.004	AB
PanSTARRS_i	5712.86	7.16	14.508	0.001	AB
PanSTARRS_z	7886.95	12.24	14.158	0.002	AB
SDSS_z	8119.44	42.06	14.126	0.006	AB
DES_z	8497.0	13.4	14.077	0.002	AB
PanSTARRS_y	9803.85	21.62	13.922	0.002	AB
2MASS_J	12814.84	476.12	12.736	0.040	Vega
2MASS_H	15153.09	637.52	12.081	0.046	Vega
2MASS_K	11736.67	851.07	11.888	0.079	Vega
WISE_W2	4072.79	65.77	11.536	0.018	Vega
WISE_W3	4491.34	214.96	9.595	0.052	Vega
WISE_W4	2374.94	1334.45	8.841	0.610	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})\,	8.920	9.053	9.141
{\rm log}_{10}({\rm SFR})	-2.028	-1.224	-0.548
{\rm log}_{10}({\rm sSFR})	-11.091	-10.327	-9.540
{\rm stellar\ age}	4.476	6.718	8.086

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.013	-0.310	0.038
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.651	-0.440	0.303

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.268	0.799	1.483
\delta	-0.310	-0.035	0.232
\tau_1/\tau_2	0.664	1.010	1.379
Q_{PAH}	1.262	3.411	5.753
U_{min}	3.029	8.233	14.995
{\rm log}_{10}(\gamma_e)\,	-2.927	-1.788	-0.599

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.717	-0.495	0.080
{\rm log}_{10}(\tau_{AGN})\,	1.046	1.620	2.004

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.315	-1.355	-0.739
0.03-0.10 Gyr	-2.155	-1.247	-0.496
0.10-0.33 Gyr	-2.053	-1.177	-0.446
0.33-1.07 Gyr	-2.156	-1.129	-0.578
1.07-3.52 Gyr	-1.710	-0.972	-0.687
3.52-11.56 Gyr	-1.486	-0.867	-0.688
11.56-12.84 Gyr	-1.646	-0.885	-0.338

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.337	11.377	11.457
{\rm log}_{10}({\rm SFR})	-0.334	0.021	0.357
{\rm log}_{10}({\rm sSFR})	-11.730	-11.374	-11.006
{\rm stellar\ age}	7.716	8.828	11.679

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.343	-0.216	-0.112
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.635	-0.437	0.299

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.172	0.272	0.427
\delta	-0.674	-0.324	-0.096
\tau_1/\tau_2	0.596	0.987	1.412
Q_{PAH}	0.717	1.765	3.691
U_{min}	2.811	7.912	15.463
{\rm log}_{10}(\gamma_e)\,	-2.551	-1.780	-1.216

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.566	-3.826	-2.699
{\rm log}_{10}(\tau_{AGN})\,	1.079	1.584	1.946

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.518	-0.083	0.201
0.03-0.10 Gyr	-0.517	0.043	0.451
0.10-0.33 Gyr	-0.504	0.155	0.584
0.33-1.07 Gyr	-0.643	0.100	0.573
1.07-3.52 Gyr	-0.616	0.333	0.931
3.52-11.56 Gyr	0.637	1.496	1.623
11.56-12.84 Gyr	1.427	2.003	2.557