2025ahhx

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Information

Transient

Name: AT2025ahhx
Right ascension: 12h12m46.28s
Declination: -29d34m35.18s
Discovery Date: Dec. 17, 2025, 4:47 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.050

Host

Name: 727673
Right ascension: 12h12m46.59s
Declination: -29d34m42.48s
Redshift: 0.071991
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	5.6
Transient MWEBV	processed	0.05
Host match	processed	4.55
Host information	processed	0.2
Host MWEBV	processed	0.09
Global aperture construction	processed	0.64
Global aperture photometry	processed	4.23
Validate global photometry	processed	11.02
Global host SED inference	processed	724.51
Local aperture photometry	processed	4.05
Validate local photometry	processed	0.02
Local host SED inference	processed	460.07

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) = 12h12m46.28s, -29d34m35.18s
semi major axis, semi minor axis (arcsec) = 1.46, 1.46
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	8.42	0.48	21.587	0.061	AB
PanSTARRS_r	17.84	0.59	20.772	0.036	AB
PanSTARRS_i	26.41	0.85	20.346	0.035	AB
PanSTARRS_z	34.78	1.33	20.047	0.041	AB
PanSTARRS_y	41.18	2.38	19.863	0.063	AB

Aperture details

RA, DEC (J2000) = 12h12m46.60s, -29d34m42.46s
semi major axis, semi minor axis (arcsec) = 10.77, 5.35
angle (degrees, anti-clockwise from east) = -28.94

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	14.02	4.03	21.033	0.312	AB
GALEX_NUV	3.98	0.52	22.401	0.143	AB
PanSTARRS_g	743.73	2.55	16.721	0.004	AB
PanSTARRS_r	1577.47	3.18	15.905	0.002	AB
PanSTARRS_i	2467.8	4.59	15.419	0.002	AB
PanSTARRS_z	3065.71	7.37	15.184	0.003	AB
PanSTARRS_y	3732.85	13.13	14.970	0.004	AB
2MASS_J	4823.49	178.56	13.797	0.040	Vega
2MASS_H	6335.51	318.45	13.028	0.055	Vega
2MASS_K	5661.91	329.93	12.680	0.063	Vega
WISE_W1	2303.48	27.11	12.795	0.013	Vega
WISE_W2	1367.74	29.37	12.721	0.023	Vega
WISE_W3	441.35	76.89	12.114	0.189	Vega
WISE_W4	375.34	415.62	10.844	1.202	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})\,	8.956	9.109	9.273
{\rm log}_{10}({\rm SFR})	-1.997	-1.295	-0.667
{\rm log}_{10}({\rm sSFR})	-11.097	-10.399	-9.769
{\rm stellar\ age}	5.327	7.166	9.742

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.396	-0.672	-0.122
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.517	-0.632	0.192

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.563	1.106	1.664
\delta	-0.150	0.103	0.294
\tau_1/\tau_2	0.708	1.065	1.400
Q_{PAH}	0.836	2.959	5.402
U_{min}	2.936	8.297	15.248
{\rm log}_{10}(\gamma_e)\,	-2.899	-1.749	-0.546

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.613	-0.437	0.053
{\rm log}_{10}(\tau_{AGN})\,	1.054	1.444	1.946

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.302	-1.464	-0.804
0.03-0.10 Gyr	-2.208	-1.358	-0.634
0.10-0.33 Gyr	-2.456	-1.401	-0.754
0.33-1.07 Gyr	-2.617	-1.345	-0.668
1.07-3.52 Gyr	-2.273	-1.037	-0.672
3.52-11.52 Gyr	-1.523	-0.836	-0.592
11.52-12.80 Gyr	-1.427	-0.733	0.084

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	11.050	11.084	11.109
{\rm log}_{10}({\rm SFR})	-2.158	-1.583	-1.135
{\rm log}_{10}({\rm sSFR})	-13.220	-12.662	-12.229
{\rm stellar\ age}	11.406	12.140	12.161

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.598	-0.456	-0.342
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.388	-0.464	0.205

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.067	0.124	0.223
\delta	-0.830	-0.535	-0.204
\tau_1/\tau_2	0.488	0.928	1.402
Q_{PAH}	0.444	1.807	3.782
U_{min}	2.777	8.301	16.080
{\rm log}_{10}(\gamma_e)\,	-2.492	-1.133	-0.459

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.550	-3.642	-2.637
{\rm log}_{10}(\tau_{AGN})\,	1.030	1.566	1.957

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.008	-1.377	-0.942
0.03-0.10 Gyr	-4.562	-2.181	-1.237
0.10-0.33 Gyr	-5.880	-2.798	-1.442
0.33-1.07 Gyr	-6.280	-3.069	-1.523
1.07-3.52 Gyr	-4.381	-2.311	-1.003
3.52-11.52 Gyr	-2.189	-1.035	0.587
11.52-12.80 Gyr	2.127	2.226	2.252