2025ahbh

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Information

Transient

Name: AT2025ahbh
Right ascension: 5h48m35.26s
Declination: -25d31m04.94s
Discovery Date: Dec. 8, 2025, 10:24 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name: 778041
Right ascension: 5h48m34.46s
Declination: -25d31m07.07s
Redshift: None
Photometric Redshift: 0.043

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	6.65
Transient MWEBV	processed	0.06
Host match	processed	4.65
Host information	processed	0.11
Host MWEBV	processed	0.1
Global aperture construction	processed	0.67
Global aperture photometry	processed	4.92
Validate global photometry	processed	14.48
Global host SED inference	processed	714.87
Local aperture photometry	processed	4.6
Validate local photometry	processed	0.02
Local host SED inference	processed	453.34

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) = 5h48m35.26s, -25d31m04.94s
semi major axis, semi minor axis (arcsec) = 2.38, 2.38
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	16.34	0.87	20.867	0.058	AB
PanSTARRS_r	21.28	0.8	20.580	0.041	AB
DES_r	27.52	0.23	20.301	0.009	AB
PanSTARRS_i	26.02	0.86	20.362	0.036	AB
PanSTARRS_z	29.18	1.96	20.237	0.073	AB
PanSTARRS_y	25.21	4.89	20.396	0.211	AB

Aperture details

RA, DEC (J2000) = 5h48m34.47s, -25d31m07.12s
semi major axis, semi minor axis (arcsec) = 7.36, 2.89
angle (degrees, anti-clockwise from east) = -137.89

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	13.87	1.33	21.044	0.104	AB
GALEX_NUV	18.83	0.58	20.713	0.034	AB
PanSTARRS_g	119.38	1.67	18.708	0.015	AB
PanSTARRS_r	234.4	1.57	17.975	0.007	AB
DES_r	245.63	0.6	17.924	0.003	AB
PanSTARRS_i	316.26	1.65	17.650	0.006	AB
PanSTARRS_z	357.31	3.77	17.517	0.011	AB
PanSTARRS_y	408.21	9.26	17.373	0.025	AB
2MASS_J	865.35	126.71	15.662	0.159	Vega
2MASS_H	961.15	172.03	15.075	0.194	Vega
2MASS_K	1088.95	253.38	14.470	0.253	Vega
WISE_W1	420.34	18.97	14.642	0.049	Vega
WISE_W2	291.65	24.85	14.399	0.093	Vega
WISE_W3	302.96	58.04	12.523	0.208	Vega
WISE_W4	376.2	362.53	10.841	1.046	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	7.894	8.168	8.342
{\rm log}_{10}({\rm SFR})	-1.850	-1.395	-0.878
{\rm log}_{10}({\rm sSFR})	-10.104	-9.562	-8.834
{\rm stellar\ age}	2.620	6.124	7.722

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.569	-0.957	-0.290
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.741	-1.453	-0.961

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.238	0.522	0.908
\delta	-0.664	-0.265	0.179
\tau_1/\tau_2	0.666	1.021	1.404
Q_{PAH}	0.831	2.673	5.171
U_{min}	2.848	7.891	14.866
{\rm log}_{10}(\gamma_e)\,	-3.034	-1.876	-0.626

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.844	-0.631	0.045
{\rm log}_{10}(\tau_{AGN})\,	1.052	1.493	1.906

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.704	-1.300	-0.937
0.03-0.10 Gyr	-2.143	-1.490	-0.854
0.10-0.33 Gyr	-2.445	-1.710	-1.198
0.33-1.09 Gyr	-2.581	-1.806	-1.372
1.09-3.60 Gyr	-2.631	-1.839	-1.524
3.60-11.87 Gyr	-2.738	-1.838	-1.513
11.87-13.18 Gyr	-2.904	-1.878	-1.297

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.615	9.705	9.794
{\rm log}_{10}({\rm SFR})	-0.777	-0.436	-0.174
{\rm log}_{10}({\rm sSFR})	-10.469	-10.147	-9.894
{\rm stellar\ age}	7.920	9.752	12.251

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.326	-0.867	-0.524
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.764	0.118	0.393

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.502	0.808	1.058
\delta	0.242	0.332	0.380
\tau_1/\tau_2	0.486	0.882	1.312
Q_{PAH}	0.358	0.935	2.131
U_{min}	2.372	6.295	12.584
{\rm log}_{10}(\gamma_e)\,	-3.644	-3.103	-2.273

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.888	-1.916	-1.573
{\rm log}_{10}(\tau_{AGN})\,	0.828	1.046	1.386

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.792	-0.472	-0.157
0.03-0.10 Gyr	-0.999	-0.464	-0.129
0.10-0.33 Gyr	-2.943	-1.330	-0.733
0.33-1.09 Gyr	-3.847	-1.623	-1.050
1.09-3.60 Gyr	-3.122	-1.416	-0.760
3.60-11.87 Gyr	-1.523	-0.312	-0.097
11.87-13.18 Gyr	-0.208	0.517	0.886