2025agtb

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Information

Transient

Name: AT2025agtb
Right ascension: 10h12m08.78s
Declination: 56d01m48.57s
Discovery Date: Dec. 13, 2025, 11:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.007

Host

Name:
Right ascension: 10h12m08.50s
Declination: 56d01m46.41s
Redshift: None
Photometric Redshift: 0.073

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	16.67
Transient MWEBV	processed	0.07
Host match	processed	5.21
Host information	processed	0.18
Host MWEBV	processed	0.04
Global aperture construction	processed	0.71
Global aperture photometry	processed	5.26
Validate global photometry	processed	15.29
Global host SED inference	processed	379.37
Local aperture photometry	processed	5.06
Validate local photometry	processed	0.03
Local host SED inference	processed	565.67

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) = 10h12m08.78s, 56d01m48.57s
semi major axis, semi minor axis (arcsec) = 1.44, 1.44
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	22.52	1.29	20.519	0.062	AB
PanSTARRS_g	23.66	0.39	20.465	0.018	AB
SDSS_r	32.69	1.6	20.114	0.053	AB
PanSTARRS_r	33.63	0.41	20.083	0.013	AB
SDSS_i	41.9	1.97	19.845	0.051	AB
PanSTARRS_i	37.97	0.39	19.951	0.011	AB
PanSTARRS_z	46.16	1.18	19.739	0.028	AB
SDSS_z	45.12	5.19	19.764	0.125	AB
PanSTARRS_y	47.84	2.84	19.700	0.064	AB

Aperture details

RA, DEC (J2000) = 10h12m08.48s, 56d01m46.56s
semi major axis, semi minor axis (arcsec) = 8.4, 2.94
angle (degrees, anti-clockwise from east) = -130.1

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	18.11	4.27	20.755	0.256	AB
GALEX_NUV	26.91	3.36	20.325	0.136	AB
SDSS_u	49.37	4.18	19.666	0.092	AB
SDSS_g	161.54	3.59	18.379	0.024	AB
PanSTARRS_g	158.37	1.31	18.401	0.009	AB
SDSS_r	216.69	4.39	18.060	0.022	AB
PanSTARRS_r	224.21	1.39	18.023	0.007	AB
SDSS_i	294.64	5.73	17.727	0.021	AB
PanSTARRS_i	275.06	1.31	17.801	0.005	AB
PanSTARRS_z	305.03	4.06	17.689	0.014	AB
SDSS_z	306.43	17.53	17.684	0.062	AB
PanSTARRS_y	350.37	9.63	17.539	0.030	AB
2MASS_J	400.01	115.27	16.500	0.313	Vega
2MASS_H	385.43	141.21	16.068	0.398	Vega
2MASS_K	367.64	190.82	15.649	0.564	Vega
WISE_W1	154.7	11.86	15.727	0.083	Vega
WISE_W2	113.92	15.19	15.419	0.145	Vega
WISE_W3	270.25	75.74	12.647	0.304	Vega
WISE_W4	503.22	448.29	10.526	0.967	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.427	8.714	8.868
{\rm log}_{10}({\rm SFR})	-3.196	-1.500	-0.328
{\rm log}_{10}({\rm sSFR})	-11.842	-10.214	-8.923
{\rm stellar\ age}	0.502	4.312	6.805

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.400	-0.659	-0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.428	-0.679	0.069

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.082	0.396	0.887
\delta	-0.711	-0.226	0.224
\tau_1/\tau_2	0.618	1.056	1.492
Q_{PAH}	1.117	3.028	5.371
U_{min}	3.688	9.662	17.633
{\rm log}_{10}(\gamma_e)\,	-2.648	-1.335	-0.406

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.571	-0.299	0.157
{\rm log}_{10}(\tau_{AGN})\,	1.121	1.573	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.319	-2.570	-1.738
0.03-0.10 Gyr	-3.396	-1.402	-0.172
0.10-0.33 Gyr	-2.069	-0.788	-0.002
0.33-1.07 Gyr	-3.001	-1.032	-0.461
1.07-3.51 Gyr	-4.076	-1.318	-0.895
3.51-11.51 Gyr	-4.883	-1.576	-1.051
11.51-12.79 Gyr	-5.169	-1.640	-0.814

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.573	9.645	9.731
{\rm log}_{10}({\rm SFR})	-0.848	-0.550	-0.236
{\rm log}_{10}({\rm sSFR})	-10.514	-10.202	-9.872
{\rm stellar\ age}	5.080	6.216	7.264

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.251	-0.867	-0.595
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.075	0.055	0.365

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.084	0.176	0.339
\delta	-0.605	-0.171	0.140
\tau_1/\tau_2	0.777	1.084	1.382
Q_{PAH}	0.591	1.600	3.261
U_{min}	2.531	7.357	14.046
{\rm log}_{10}(\gamma_e)\,	-2.636	-1.595	-0.618

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.911	-2.641	-1.818
{\rm log}_{10}(\tau_{AGN})\,	0.997	1.428	1.854

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.984	-0.790	-0.632
0.03-0.10 Gyr	-0.859	-0.475	-0.114
0.10-0.33 Gyr	-0.364	-0.078	0.145
0.33-1.07 Gyr	-0.384	-0.133	0.053
1.07-3.51 Gyr	-0.472	-0.237	-0.055
3.51-11.51 Gyr	-0.496	-0.283	-0.131
11.51-12.79 Gyr	-0.725	-0.261	0.161