2025ahxb

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Information

Transient

Name: AT2025ahxb
Right ascension: 0h51m58.71s
Declination: -19d23m37.33s
Discovery Date: Dec. 18, 2025, 8:01 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 0h51m58.81s
Declination: -19d23m36.85s
Redshift: None
Photometric Redshift: 0.084

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	5.8
Transient MWEBV	processed	0.04
Host match	processed	13.04
Host information	processed	0.16
Host MWEBV	processed	0.05
Global aperture construction	processed	0.6
Global aperture photometry	processed	4.85
Validate global photometry	processed	1.47
Global host SED inference	processed	431.6
Local aperture photometry	processed	4.79
Validate local photometry	processed	0.02
Local host SED inference	processed	451.03

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) = 0h51m58.71s, -19d23m37.33s
semi major axis, semi minor axis (arcsec) = 1.26, 1.26
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_r	105.2	0.58	18.845	0.006	AB
DES_r	113.54	0.37	18.762	0.004	AB
PanSTARRS_i	144.13	0.59	18.503	0.004	AB
PanSTARRS_z	169.5	1.16	18.327	0.007	AB
DES_z	189.16	1.39	18.208	0.008	AB
PanSTARRS_y	199.36	3.06	18.151	0.017	AB

Aperture details

RA, DEC (J2000) = 0h51m58.80s, -19d23m36.65s
semi major axis, semi minor axis (arcsec) = 7.96, 5.38
angle (degrees, anti-clockwise from east) = -87.18

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	369.97	1.79	17.480	0.005	AB
PanSTARRS_r	636.11	2.78	16.891	0.005	AB
DES_r	690.65	0.99	16.802	0.002	AB
PanSTARRS_i	853.63	2.91	16.572	0.004	AB
PanSTARRS_z	984.14	5.75	16.417	0.006	AB
DES_z	1107.84	3.57	16.289	0.003	AB
PanSTARRS_y	1196.31	15.59	16.205	0.014	AB
2MASS_J	1340.28	150.37	15.187	0.122	Vega
2MASS_H	1795.31	224.6	14.397	0.136	Vega
2MASS_K	1560.1	242.25	14.079	0.169	Vega
WISE_W1	731.94	21.73	14.040	0.032	Vega
WISE_W2	457.82	23.64	13.909	0.056	Vega
WISE_W3	1452.27	86.85	10.821	0.065	Vega
WISE_W4	1102.64	466.92	9.674	0.460	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})\,	9.470	9.713	9.844
{\rm log}_{10}({\rm SFR})	-1.427	-0.704	-0.089
{\rm log}_{10}({\rm sSFR})	-11.149	-10.435	-9.691
{\rm stellar\ age}	3.055	6.788	8.915

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.241	-0.636	-0.178
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.456	-0.623	0.146

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.201	0.538	0.965
\delta	-0.676	-0.262	0.136
\tau_1/\tau_2	0.670	1.037	1.410
Q_{PAH}	0.929	2.941	5.255
U_{min}	3.265	8.308	15.269
{\rm log}_{10}(\gamma_e)\,	-2.989	-1.691	-0.647

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.508	-0.935	-0.328
{\rm log}_{10}(\tau_{AGN})\,	1.072	1.552	1.973

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.664	-0.912	-0.418
0.03-0.10 Gyr	-1.715	-0.709	-0.005
0.10-0.33 Gyr	-1.546	-0.554	0.229
0.33-1.07 Gyr	-1.697	-0.574	0.064
1.07-3.48 Gyr	-1.940	-0.494	-0.087
3.48-11.38 Gyr	-1.458	-0.265	0.004
11.38-12.65 Gyr	-1.269	-0.168	0.583

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.309	10.412	10.485
{\rm log}_{10}({\rm SFR})	-0.989	-0.221	0.202
{\rm log}_{10}({\rm sSFR})	-11.399	-10.643	-10.202
{\rm stellar\ age}	4.929	6.629	7.664

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.741	-0.518	-0.358
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.243	0.007	0.348

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.143	0.242	0.397
\delta	-0.886	-0.585	-0.119
\tau_1/\tau_2	0.701	1.073	1.445
Q_{PAH}	1.155	3.067	5.235
U_{min}	2.464	7.424	14.312
{\rm log}_{10}(\gamma_e)\,	-3.103	-1.808	-0.486

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.216	-3.008	-1.898
{\rm log}_{10}(\tau_{AGN})\,	1.104	1.609	1.961

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.919	-0.320	0.012
0.03-0.10 Gyr	-1.288	-0.236	0.293
0.10-0.33 Gyr	-1.065	0.110	0.564
0.33-1.07 Gyr	-0.418	0.283	0.582
1.07-3.48 Gyr	0.175	0.494	0.788
3.48-11.38 Gyr	0.145	0.519	0.675
11.38-12.65 Gyr	-0.227	0.493	0.974