2025an

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Information

Transient

Name: AT2025an
Right ascension: 10h57m06.26s
Declination: 12d35m18.01s
Discovery Date: Jan. 3, 2025, 12:47 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name: 2025an
Right ascension: 10h57m06.33s
Declination: 12d35m23.38s
Redshift: 0.044817
Photometric Redshift: 0.059

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.79
Cutout download	processed	24.29
Global aperture construction	processed	0.81
Local aperture photometry	processed	8.1
Global aperture photometry	processed	8.32
Validate local photometry	processed	0.03
Validate global photometry	processed	24.06
Host information	processed	0.12
Global host SED inference	processed	624.48
Local host SED inference	processed	620.68
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) = 10h57m06.26s, 12d35m18.01s
semi major axis, semi minor axis (arcsec) = 2.27, 2.27
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
SDSS_u	5.18	1.95	22.114	0.409	AB
SDSS_g	26.83	1.49	20.329	0.060	AB
DES_g	27.65	0.23	20.296	0.009	AB
PanSTARRS_g	24.18	0.46	20.441	0.021	AB
SDSS_r	54.58	2.26	19.558	0.045	AB
PanSTARRS_r	46.74	0.58	19.726	0.013	AB
DES_r	57.65	0.61	19.498	0.012	AB
SDSS_i	77.15	3.05	19.182	0.043	AB
PanSTARRS_i	64.52	0.62	19.376	0.010	AB
PanSTARRS_z	81.24	1.28	19.126	0.017	AB
SDSS_z	101.09	7.88	18.888	0.085	AB
DES_z	97.45	1.58	18.928	0.018	AB
PanSTARRS_y	95.24	3.51	18.953	0.040	AB

Aperture details

RA, DEC (J2000) = 10h57m06.32s, 12d35m23.50s
semi major axis, semi minor axis (arcsec) = 7.1, 3.62
angle (degrees, anti-clockwise from east) = -178.25

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	1.01	0.49	23.894	0.529	AB
GALEX_NUV	4.0	0.52	22.396	0.140	AB
SDSS_u	73.37	4.84	19.236	0.072	AB
SDSS_g	387.14	5.31	17.430	0.015	AB
DES_g	417.46	0.79	17.348	0.002	AB
PanSTARRS_g	415.86	1.08	17.353	0.003	AB
SDSS_r	810.95	7.86	16.628	0.011	AB
PanSTARRS_r	807.28	1.35	16.632	0.002	AB
DES_r	886.96	2.21	16.530	0.003	AB
SDSS_i	1147.34	9.86	16.251	0.009	AB
PanSTARRS_i	1144.84	1.41	16.253	0.001	AB
PanSTARRS_z	1403.99	2.8	16.032	0.002	AB
SDSS_z	1465.24	19.26	15.985	0.014	AB
DES_z	1504.01	5.76	15.957	0.004	AB
PanSTARRS_y	1577.53	7.4	15.905	0.005	AB
2MASS_J	1945.75	146.57	14.782	0.082	Vega
2MASS_H	2110.92	213.25	14.221	0.110	Vega
2MASS_K	2550.3	237.46	13.546	0.101	Vega
WISE_W1	908.5	25.9	13.805	0.031	Vega
WISE_W2	461.33	25.91	13.901	0.061	Vega
WISE_W3	-36.88	108.41			Vega
WISE_W4	409.27	656.27	10.750	1.741	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.749	8.884	9.024
${\rm log}_{10}({\rm SFR})$	-1.537	-1.116	-0.683
${\rm log}_{10}({\rm sSFR})$	-10.484	-10.018	-9.477
${\rm stellar\ age}$	5.314	7.026	8.444

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.333	-0.670	-0.206
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.795	-1.019	0.256

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.478	0.907	1.265
$\delta$	-0.541	-0.257	0.027
$\tau_1/\tau_2$	0.710	1.044	1.403
$Q_{PAH}$	0.690	2.476	5.063
$U_{min}$	2.788	7.459	13.868
${\rm log}_{10}(\gamma_e)\,$	-3.255	-2.244	-1.011

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.329	-1.397	-0.409
${\rm log}_{10}(\tau_{AGN})\,$	0.960	1.406	1.872

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.338	-0.952	-0.623
0.03-0.10 Gyr	-1.920	-1.251	-0.683
0.10-0.33 Gyr	-2.151	-1.460	-0.935
0.33-1.09 Gyr	-2.061	-1.365	-0.894
1.09-3.59 Gyr	-1.687	-1.123	-0.869
3.59-11.84 Gyr	-1.390	-1.031	-0.828
11.84-13.16 Gyr	-1.639	-1.035	-0.471

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.107	10.163	10.284
${\rm log}_{10}({\rm SFR})$	-5.910	-2.372	-1.352
${\rm log}_{10}({\rm sSFR})$	-15.875	-12.533	-11.507
${\rm stellar\ age}$	7.658	8.496	12.390

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.368	-0.974	-0.759
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.542	-0.732	0.061

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.256	0.383	0.570
$\delta$	-0.869	-0.631	-0.388
$\tau_1/\tau_2$	0.530	0.939	1.341
$Q_{PAH}$	1.106	2.810	4.962
$U_{min}$	3.072	9.238	17.013
${\rm log}_{10}(\gamma_e)\,$	-2.917	-1.271	-0.469

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.500	-3.611	-2.564
${\rm log}_{10}(\tau_{AGN})\,$	1.029	1.538	1.936

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-7.150	-2.564	-1.344
0.03-0.10 Gyr	-6.572	-2.686	-1.343
0.10-0.33 Gyr	-6.142	-2.627	-1.214
0.33-1.09 Gyr	-5.499	-2.425	-0.933
1.09-3.59 Gyr	-3.783	-1.521	-0.098
3.59-11.84 Gyr	-1.325	0.278	0.454
11.84-13.16 Gyr	-0.702	0.590	1.410