2025abkg

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Information

Transient

Name: AT2025abkg
Right ascension: 2h21m04.79s
Declination: -8d27m57.67s
Discovery Date: Oct. 23, 2025, 10:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.023

Host

Name:
Right ascension: 2h21m05.03s
Declination: -8d27m56.33s
Redshift: None
Photometric Redshift: 0.193

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.07
Cutout download	processed	19.32
Global aperture construction	processed	0.65
Local aperture photometry	processed	6.63
Global aperture photometry	processed	6.86
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	17.79
Host information	processed	0.07
Global host SED inference	processed	433.22
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.04
Processing status	blocked	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) = 2h21m04.79s, -8d27m57.67s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 2h21m05.01s, -8d27m55.99s
semi major axis, semi minor axis (arcsec) = 3.89, 2.02
angle (degrees, anti-clockwise from east) = -88.42

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	0.87	0.41	24.053	0.513	AB
GALEX_NUV	1.78	0.44	23.272	0.269	AB
SDSS_u	4.74	2.85	22.212	0.654	AB
SDSS_g	25.73	1.57	20.374	0.066	AB
DES_g	27.82	0.2	20.289	0.008	AB
PanSTARRS_g	26.57	0.64	20.339	0.026	AB
SDSS_r	49.04	2.28	19.674	0.051	AB
PanSTARRS_r	46.66	0.78	19.728	0.018	AB
DES_r	53.35	0.31	19.582	0.006	AB
SDSS_i	64.85	3.06	19.370	0.051	AB
PanSTARRS_i	66.89	0.81	19.337	0.013	AB
PanSTARRS_z	79.94	1.61	19.143	0.022	AB
SDSS_z	77.89	12.15	19.171	0.169	AB
DES_z	79.49	1.06	19.149	0.014	AB
PanSTARRS_y	87.67	4.31	19.043	0.053	AB
2MASS_J	7.9	89.09	20.761	12.237	Vega
2MASS_H	-23.35	149.0			Vega
2MASS_K	510.38	166.81	15.292	0.355	Vega
WISE_W1	47.26	6.68	17.015	0.153	Vega
WISE_W2	24.77	10.36	17.076	0.454	Vega
WISE_W3	72.3	44.56	14.078	0.669	Vega
WISE_W4	156.72	309.0	11.792	2.141	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.723	9.885	10.033
{\rm log}_{10}({\rm SFR})	-1.852	-0.214	0.660
{\rm log}_{10}({\rm sSFR})	-11.657	-10.104	-9.189
{\rm stellar\ age}	0.796	3.440	5.567

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.634	-0.928	-0.255
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.616	-0.544	0.292

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.390	0.629	0.848
\delta	-0.629	-0.346	-0.071
\tau_1/\tau_2	0.558	0.962	1.357
Q_{PAH}	0.813	2.333	4.360
U_{min}	3.081	9.204	16.603
{\rm log}_{10}(\gamma_e)\,	-2.760	-1.567	-0.533

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.936	-1.924	-0.884
{\rm log}_{10}(\tau_{AGN})\,	1.038	1.453	1.857

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.774	-0.756	-0.140
0.03-0.10 Gyr	-2.208	-0.149	0.804
0.10-0.32 Gyr	-0.988	0.508	1.062
0.32-1.01 Gyr	-0.376	0.443	0.940
1.01-3.22 Gyr	-2.120	-0.075	0.358
3.22-10.24 Gyr	-2.596	-0.431	0.088
10.24-11.38 Gyr	-2.907	-0.438	0.326