2025ahiu

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Information

Transient

Name: AT2025ahiu
Right ascension: 21h59m26.43s
Declination: 26d44m20.47s
Discovery Date: Dec. 12, 2025, 2:18 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name:
Right ascension: 21h59m26.57s
Declination: 26d44m18.27s
Redshift: None
Photometric Redshift: 0.128

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	18.72
Transient MWEBV	processed	0.04
Host match	processed	5.91
Host information	processed	0.18
Host MWEBV	processed	0.04
Global aperture construction	processed	0.67
Global aperture photometry	processed	7.67
Validate global photometry	processed	19.43
Global host SED inference	processed	385.04
Local aperture photometry	processed	6.93
Validate local photometry	no valid phot	0.04
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) = 21h59m26.43s, 26d44m20.47s
semi major axis, semi minor axis (arcsec) = 0.88, 0.88
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) = 21h59m26.57s, 26d44m18.39s
semi major axis, semi minor axis (arcsec) = 6.87, 4.41
angle (degrees, anti-clockwise from east) = -152.62

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_NUV	12.85	2.0	21.128	0.169	AB
SDSS_u	23.92	5.0	20.453	0.227	AB
SDSS_g	100.98	2.94	18.889	0.032	AB
DES_g	106.41	0.92	18.833	0.009	AB
PanSTARRS_g	100.73	1.63	18.892	0.018	AB
SDSS_r	157.46	4.19	18.407	0.029	AB
PanSTARRS_r	169.15	1.66	18.329	0.011	AB
DES_r	178.77	2.08	18.269	0.013	AB
SDSS_i	205.81	6.05	18.116	0.032	AB
PanSTARRS_i	217.88	2.11	18.054	0.011	AB
PanSTARRS_z	226.59	4.36	18.012	0.021	AB
SDSS_z	240.77	17.89	17.946	0.081	AB
DES_z	252.63	5.44	17.894	0.023	AB
PanSTARRS_y	234.12	16.39	17.976	0.076	AB
2MASS_J	389.32	141.41	16.529	0.394	Vega
2MASS_H	132.97	250.3	17.223	2.044	Vega
2MASS_K	712.32	267.82	14.931	0.408	Vega
WISE_W1	134.48	18.73	15.879	0.151	Vega
WISE_W2	80.75	18.12	15.793	0.244	Vega
WISE_W3	231.04	84.52	12.817	0.397	Vega
WISE_W4	190.78	404.6	11.579	2.303	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})\,	9.891	9.991	10.099
{\rm log}_{10}({\rm SFR})	-0.487	-0.181	0.125
{\rm log}_{10}({\rm sSFR})	-10.530	-10.178	-9.815
{\rm stellar\ age}	3.084	4.792	5.963

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.543	-1.116	-0.680
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.550	-0.793	0.035

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.143	0.277	0.423
\delta	-0.599	-0.289	0.008
\tau_1/\tau_2	0.798	1.127	1.433
Q_{PAH}	1.101	2.740	4.871
U_{min}	2.650	7.448	14.129
{\rm log}_{10}(\gamma_e)\,	-2.739	-1.743	-0.621

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.900	-2.475	-1.484
{\rm log}_{10}(\tau_{AGN})\,	1.041	1.527	1.886

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.391	-0.189	-0.002
0.03-0.10 Gyr	-0.660	-0.178	0.197
0.10-0.32 Gyr	-0.257	0.260	0.599
0.32-1.04 Gyr	0.300	0.560	0.758
1.04-3.38 Gyr	-0.047	0.246	0.455
3.38-10.91 Gyr	-0.475	-0.039	0.202
10.91-12.12 Gyr	-0.866	-0.118	0.359