2025ahmy

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Information

Transient

Name: AT2025ahmy
Right ascension: 23h53m02.49s
Declination: 21d02m05.38s
Discovery Date: Dec. 7, 2025, 8:21 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.076

Host

Name:
Right ascension: 23h53m02.24s
Declination: 21d02m06.16s
Redshift: None
Photometric Redshift: 0.163

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	22.1
Transient MWEBV	processed	0.11
Host match	processed	5.09
Host information	processed	0.18
Host MWEBV	processed	0.79
Global aperture construction	processed	0.63
Global aperture photometry	processed	7.02
Validate global photometry	processed	24.23
Global host SED inference	processed	2776.79
Local aperture photometry	processed	6.81
Validate local photometry	no valid phot	0.03
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) = 23h53m02.49s, 21d02m05.38s
semi major axis, semi minor axis (arcsec) = 0.71, 0.71
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) = 23h53m02.22s, 21d02m06.56s
semi major axis, semi minor axis (arcsec) = 6.81, 5.92
angle (degrees, anti-clockwise from east) = -34.8

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.89	2.12	21.975	0.391	AB
GALEX_NUV	13.18	1.73	21.101	0.143	AB
SDSS_u	88.48	7.1	19.033	0.087	AB
SDSS_g	96.65	3.16	18.937	0.035	AB
DES_g	123.03	0.58	18.675	0.005	AB
PanSTARRS_g	122.36	1.37	18.681	0.012	AB
SDSS_r	253.07	5.4	17.892	0.023	AB
PanSTARRS_r	263.14	1.7	17.850	0.007	AB
DES_r	292.02	1.52	17.736	0.006	AB
SDSS_i	387.02	7.57	17.431	0.021	AB
PanSTARRS_i	393.93	2.45	17.411	0.007	AB
PanSTARRS_z	510.74	4.62	17.129	0.010	AB
SDSS_z	575.64	23.06	17.000	0.043	AB
DES_z	562.43	4.71	17.025	0.009	AB
PanSTARRS_y	581.76	9.19	16.988	0.017	AB
2MASS_J	820.72	131.78	15.720	0.174	Vega
2MASS_H	1009.99	201.54	15.022	0.217	Vega
2MASS_K	643.39	253.23	15.041	0.427	Vega
WISE_W1	437.99	15.21	14.597	0.038	Vega
WISE_W2	320.95	18.43	14.295	0.062	Vega
WISE_W3	308.6	90.77	12.503	0.319	Vega
WISE_W4	591.76	501.67	10.350	0.920	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})\,	10.890	10.995	11.063
{\rm log}_{10}({\rm SFR})	0.389	1.036	1.565
{\rm log}_{10}({\rm sSFR})	-10.626	-9.965	-9.415
{\rm stellar\ age}	7.224	10.728	11.082

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.102	-0.746	-0.516
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.664	-0.578	0.299

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.241	0.370	0.559
\delta	-0.783	-0.465	-0.191
\tau_1/\tau_2	0.488	1.036	1.570
Q_{PAH}	0.336	0.994	2.264
U_{min}	3.470	10.195	18.639
{\rm log}_{10}(\gamma_e)\,	-3.371	-2.589	-1.558

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.944	-2.652	-1.896
{\rm log}_{10}(\tau_{AGN})\,	0.986	1.407	1.878

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.122	-1.552	-0.050
0.03-0.10 Gyr	0.551	1.197	1.726
0.10-0.32 Gyr	-3.619	-2.687	-1.416
0.32-1.03 Gyr	-7.122	-5.164	-2.574
1.03-3.29 Gyr	-4.640	-2.975	-1.107
3.29-10.54 Gyr	-1.610	0.088	1.174
10.54-11.71 Gyr	1.100	2.145	2.240