2025ah

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Information

Transient

Name: AT2025ah
Right ascension: 2h34m45.79s
Declination: 44d35m55.51s
Discovery Date: Jan. 2, 2025, 5:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.072

Host

Name: 2025ah
Right ascension: 2h34m46.06s
Declination: 44d35m57.15s
Redshift: None
Photometric Redshift: 0.079

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	3.54
Cutout download	processed	17.79
Global aperture construction	processed	0.9
Local aperture photometry	processed	6.28
Global aperture photometry	processed	6.08
Validate local photometry	processed	0.03
Validate global photometry	processed	19.7
Host information	processed	0.11
Global host SED inference	processed	576.19
Local host SED inference	processed	619.73
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.08
Log transient processing status	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) = 2h34m45.79s, 44d35m55.51s
semi major axis, semi minor axis (arcsec) = 1.34, 1.34
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	24.36	0.36	20.433	0.016	AB
SDSS_r	33.78	1.61	20.078	0.052	AB
PanSTARRS_r	35.59	0.58	20.022	0.018	AB
SDSS_i	45.1	1.97	19.764	0.047	AB
PanSTARRS_i	46.77	0.48	19.725	0.011	AB
PanSTARRS_z	50.67	1.2	19.638	0.026	AB
SDSS_z	46.56	3.83	19.730	0.089	AB
PanSTARRS_y	58.47	2.73	19.483	0.051	AB

Aperture details

RA, DEC (J2000) = 2h34m46.04s, 44d35m57.13s
semi major axis, semi minor axis (arcsec) = 8.09, 7.32
angle (degrees, anti-clockwise from east) = -52.01

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	53.03	7.71	19.589	0.158	AB
GALEX_NUV	63.3	4.31	19.397	0.074	AB
SDSS_u	164.04	5.78	18.363	0.038	AB
SDSS_g	456.52	5.91	17.251	0.014	AB
PanSTARRS_g	433.05	2.01	17.309	0.005	AB
SDSS_r	737.14	7.79	16.731	0.011	AB
PanSTARRS_r	715.94	3.23	16.763	0.005	AB
SDSS_i	982.79	9.76	16.419	0.011	AB
PanSTARRS_i	962.01	2.69	16.442	0.003	AB
PanSTARRS_z	1037.23	6.69	16.360	0.007	AB
SDSS_z	1078.58	21.41	16.318	0.022	AB
PanSTARRS_y	1160.38	15.03	16.238	0.014	AB
2MASS_J	1493.76	215.6	15.069	0.157	Vega
2MASS_H	1581.71	371.46	14.535	0.255	Vega
2MASS_K	1610.46	362.07	14.045	0.244	Vega
WISE_W1	839.17	39.03	13.891	0.050	Vega
WISE_W2	542.1	47.36	13.726	0.095	Vega
WISE_W4	2836.97	859.46	8.648	0.329	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.788	8.953	9.076
${\rm log}_{10}({\rm SFR})$	-1.596	-0.938	-0.204
${\rm log}_{10}({\rm sSFR})$	-10.527	-9.878	-9.147
${\rm stellar\ age}$	1.968	5.226	6.805

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.605	-0.981	-0.386
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.533	-0.710	0.080

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.141	0.413	0.865
$\delta$	-0.708	-0.242	0.223
$\tau_1/\tau_2$	0.709	1.059	1.391
$Q_{PAH}$	0.928	2.807	5.155
$U_{min}$	2.991	8.148	15.100
${\rm log}_{10}(\gamma_e)\,$	-3.033	-1.846	-0.679

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-2.453	-0.493	-0.051
${\rm log}_{10}(\tau_{AGN})\,$	1.107	1.464	1.890

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.800	-1.252	-0.846
0.03-0.10 Gyr	-1.713	-0.876	-0.057
0.10-0.33 Gyr	-1.461	-0.677	-0.157
0.33-1.07 Gyr	-1.463	-0.762	-0.361
1.07-3.50 Gyr	-1.927	-0.962	-0.675
3.50-11.44 Gyr	-2.272	-1.103	-0.828
11.44-12.71 Gyr	-2.543	-1.145	-0.626

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.248	10.316	10.421
${\rm log}_{10}({\rm SFR})$	0.290	0.525	0.757
${\rm log}_{10}({\rm sSFR})$	-10.055	-9.813	-9.585
${\rm stellar\ age}$	5.305	6.369	7.477

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.007	-0.599	-0.370
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-0.571	0.178	0.352

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.139	0.253	0.428
$\delta$	-0.372	-0.041	0.195
$\tau_1/\tau_2$	0.733	1.043	1.364
$Q_{PAH}$	0.797	2.178	4.434
$U_{min}$	2.383	6.745	13.580
${\rm log}_{10}(\gamma_e)\,$	-3.275	-2.048	-1.225

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.707	-2.497	-1.830
${\rm log}_{10}(\tau_{AGN})\,$	0.916	1.285	1.798

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.027	0.138	0.272
0.03-0.10 Gyr	0.344	0.629	0.890
0.10-0.33 Gyr	0.336	0.595	0.813
0.33-1.07 Gyr	0.039	0.368	0.579
1.07-3.50 Gyr	0.131	0.426	0.609
3.50-11.44 Gyr	0.176	0.392	0.550
11.44-12.71 Gyr	-0.027	0.437	0.889