2025abtg

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Information

Transient

Name: AT2025abtg
Right ascension: 8h43m20.63s
Declination: 52d39m07.19s
Discovery Date: Oct. 20, 2025, 11:14 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name: 2420301
Right ascension: 8h43m20.72s
Declination: 52d39m14.77s
Redshift: 0.112548
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.86
Transient MWEBV	processed	0.11
Host match	processed	4.09
Host information	processed	0.05
Host MWEBV	processed	0.05
Global aperture construction	processed	0.64
Global aperture photometry	processed	5.27
Validate global photometry	processed	15.65
Global host SED inference	processed	657.19
Local aperture photometry	processed	5.22
Validate local photometry	no valid phot	0.02
Local host SED inference	not processed	None

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) = 8h43m20.63s, 52d39m07.19s
semi major axis, semi minor axis (arcsec) = 0.98, 0.98
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) = 8h43m20.74s, 52d39m14.73s
semi major axis, semi minor axis (arcsec) = 5.74, 5.67
angle (degrees, anti-clockwise from east) = -93.1

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.12	0.34	23.777	0.328	AB
GALEX_NUV	2.24	0.34	23.023	0.165	AB
SDSS_u	56.39	4.19	19.522	0.081	AB
SDSS_g	322.4	4.94	17.629	0.017	AB
PanSTARRS_g	364.49	2.48	17.496	0.007	AB
SDSS_r	821.16	7.85	16.614	0.010	AB
PanSTARRS_r	828.67	1.69	16.604	0.002	AB
SDSS_i	1224.3	9.97	16.180	0.009	AB
PanSTARRS_i	1224.64	1.5	16.180	0.001	AB
PanSTARRS_z	1553.51	4.12	15.922	0.003	AB
SDSS_z	1681.33	17.82	15.836	0.012	AB
PanSTARRS_y	1917.46	8.6	15.693	0.005	AB
2MASS_J	2527.78	129.67	14.498	0.056	Vega
2MASS_H	3506.67	195.79	13.670	0.061	Vega
2MASS_K	2697.7	220.3	13.485	0.089	Vega
WISE_W1	1105.64	20.04	13.592	0.020	Vega
WISE_W2	698.92	22.61	13.450	0.035	Vega
WISE_W3	219.7	76.85	12.871	0.380	Vega
WISE_W4	137.24	395.72	11.936	3.131	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	10.999	11.096	11.180
{\rm log}_{10}({\rm SFR})	-1.681	-0.647	0.119
{\rm log}_{10}({\rm sSFR})	-12.760	-11.747	-10.883
{\rm stellar\ age}	7.226	9.893	11.673

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.238	-0.924	-0.721
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.425	-0.582	0.051

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.263	0.404	0.548
\delta	-0.958	-0.843	-0.654
\tau_1/\tau_2	0.502	1.011	1.494
Q_{PAH}	0.518	1.948	4.830
U_{min}	2.756	9.279	17.296
{\rm log}_{10}(\gamma_e)\,	-2.732	-1.310	-0.428

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.401	-3.384	-2.336
{\rm log}_{10}(\tau_{AGN})\,	1.114	1.626	1.978

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.209	-0.758	0.036
0.03-0.10 Gyr	-3.006	-0.873	0.155
0.10-0.32 Gyr	-3.649	-1.073	0.183
0.32-1.05 Gyr	-4.379	-1.522	0.177
1.05-3.41 Gyr	-3.514	-1.125	0.704
3.41-11.07 Gyr	-1.565	0.940	1.331
11.07-12.30 Gyr	0.790	2.051	2.343