2025ahap

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Information

Transient

Name: AT2025ahap
Right ascension: 15h10m03.08s
Declination: 54d12m06.36s
Discovery Date: Dec. 15, 2025, 1:12 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: SDSSJ151003.10+54120
Right ascension: 15h10m03.12s
Declination: 54d12m07.06s
Redshift: None
Photometric Redshift: 0.067

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	14.54
Transient MWEBV	processed	0.06
Host match	processed	4.26
Host information	processed	0.05
Host MWEBV	processed	0.04
Global aperture construction	processed	0.63
Global aperture photometry	processed	4.96
Validate global photometry	processed	12.99
Global host SED inference	processed	379.97
Local aperture photometry	processed	5.16
Validate local photometry	processed	0.02
Local host SED inference	processed	406.2

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) = 15h10m03.08s, 54d12m06.36s
semi major axis, semi minor axis (arcsec) = 1.56, 1.56
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	31.6	1.51	20.151	0.052	AB
PanSTARRS_g	34.75	0.36	20.048	0.011	AB
SDSS_r	50.52	1.96	19.641	0.042	AB
PanSTARRS_r	57.77	0.56	19.496	0.011	AB
SDSS_i	77.0	2.51	19.184	0.035	AB
PanSTARRS_i	84.46	0.62	19.083	0.008	AB
PanSTARRS_z	96.83	0.94	18.935	0.011	AB
SDSS_z	114.34	5.12	18.754	0.049	AB
PanSTARRS_y	111.0	2.87	18.787	0.028	AB

Aperture details

RA, DEC (J2000) = 15h10m03.21s, 54d12m05.69s
semi major axis, semi minor axis (arcsec) = 22.72, 3.26
angle (degrees, anti-clockwise from east) = -41.19

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	26.77	3.54	20.331	0.144	AB
GALEX_NUV	33.65	2.85	20.082	0.092	AB
SDSS_g	229.48	4.58	17.998	0.022	AB
PanSTARRS_g	238.03	1.92	17.958	0.009	AB
SDSS_r	322.32	6.01	17.629	0.020	AB
PanSTARRS_r	349.54	3.01	17.541	0.009	AB
SDSS_i	417.28	8.03	17.349	0.021	AB
PanSTARRS_i	477.21	3.33	17.203	0.008	AB
PanSTARRS_z	490.31	4.99	17.174	0.011	AB
SDSS_z	710.62	24.87	16.771	0.038	AB
PanSTARRS_y	639.7	15.54	16.885	0.026	AB
WISE_W1	345.89	15.73	14.854	0.049	Vega
WISE_W2	218.69	18.54	14.711	0.092	Vega
WISE_W3	508.42	76.92	11.960	0.164	Vega
WISE_W4	39.39	438.56	13.292	12.088	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})\,	9.163	9.307	9.439
{\rm log}_{10}({\rm SFR})	-1.390	-0.889	-0.286
{\rm log}_{10}({\rm sSFR})	-10.721	-10.153	-9.526
{\rm stellar\ age}	5.237	7.002	8.555

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.521	-0.890	-0.415
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.584	-0.735	0.086

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.381	0.800	1.136
\delta	-0.530	-0.170	0.095
\tau_1/\tau_2	0.649	0.994	1.335
Q_{PAH}	0.828	2.407	5.038
U_{min}	2.878	7.434	14.017
{\rm log}_{10}(\gamma_e)\,	-3.162	-2.045	-0.743

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.084	-1.002	-0.284
{\rm log}_{10}(\tau_{AGN})\,	1.076	1.489	1.955

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.368	-0.974	-0.626
0.03-0.10 Gyr	-1.557	-0.901	-0.183
0.10-0.33 Gyr	-1.778	-0.938	-0.376
0.33-1.08 Gyr	-1.810	-0.925	-0.444
1.08-3.53 Gyr	-1.473	-0.758	-0.477
3.53-11.58 Gyr	-1.007	-0.607	-0.406
11.58-12.87 Gyr	-1.182	-0.555	0.041

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.862	9.908	9.950
{\rm log}_{10}({\rm SFR})	-0.489	-0.286	-0.056
{\rm log}_{10}({\rm sSFR})	-10.386	-10.177	-9.934
{\rm stellar\ age}	6.291	7.008	7.831

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.405	-0.265	-0.160
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.219	-0.039	0.213

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.077	0.125	0.216
\delta	-0.726	-0.360	0.008
\tau_1/\tau_2	0.808	1.125	1.423
Q_{PAH}	0.570	1.557	3.076
U_{min}	2.400	6.909	13.485
{\rm log}_{10}(\gamma_e)\,	-2.545	-1.523	-0.762

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.352	-3.267	-2.185
{\rm log}_{10}(\tau_{AGN})\,	1.046	1.530	1.906

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.560	-0.445	-0.339
0.03-0.10 Gyr	-0.505	-0.227	0.051
0.10-0.33 Gyr	-0.297	-0.064	0.139
0.33-1.08 Gyr	-0.376	-0.163	0.003
1.08-3.53 Gyr	-0.359	-0.127	0.061
3.53-11.58 Gyr	-0.089	0.045	0.133
11.58-12.87 Gyr	-0.340	0.091	0.452