2025sfd

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Information

Transient

Name: AT2025sfd
Right ascension: 0h55m20.78s
Declination: -9d18m22.76s
Discovery Date: July 24, 2025, 12:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 3101597
Right ascension: 0h55m20.74s
Declination: -9d18m22.45s
Redshift: 0.054692
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	4.57
Cutout download	processed	31.82
Global aperture construction	processed	0.66
Local aperture photometry	processed	7.33
Global aperture photometry	processed	6.57
Validate local photometry	processed	0.03
Validate global photometry	processed	18.47
Host information	processed	0.15
Global host SED inference	processed	440.16
Local host SED inference	processed	466.59
Transient information	processed	0.0
Transient MWEBV	processed	0.15
Host MWEBV	processed	0.06
Processing status	completed	N/A	N/A

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) = 0h55m20.78s, -9d18m22.76s
semi major axis, semi minor axis (arcsec) = 1.88, 1.88
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	26.1	2.01	20.359	0.084	AB
SDSS_g	166.08	3.4	18.349	0.022	AB
DES_g	186.92	0.55	18.221	0.003	AB
PanSTARRS_g	178.27	0.51	18.272	0.003	AB
SDSS_r	397.24	5.26	17.402	0.014	AB
PanSTARRS_r	347.0	0.46	17.549	0.001	AB
DES_r	437.92	1.22	17.297	0.003	AB
SDSS_i	586.63	6.52	16.979	0.012	AB
PanSTARRS_i	547.2	0.71	17.055	0.001	AB
PanSTARRS_z	675.36	1.18	16.826	0.002	AB
SDSS_z	781.22	9.83	16.668	0.014	AB
DES_z	739.56	4.99	16.728	0.007	AB
PanSTARRS_y	823.58	2.92	16.611	0.004	AB

Aperture details

RA, DEC (J2000) = 0h55m20.75s, -9d18m22.21s
semi major axis, semi minor axis (arcsec) = 7.78, 3.14
angle (degrees, anti-clockwise from east) = -63.6

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	0.38	0.39	24.960	1.118	AB
GALEX_NUV	1.47	0.53	23.482	0.395	AB
SDSS_u	38.44	4.52	19.938	0.128	AB
SDSS_g	292.86	4.72	17.733	0.017	AB
DES_g	275.82	0.72	17.798	0.003	AB
PanSTARRS_g	329.01	1.2	17.607	0.004	AB
SDSS_r	677.63	7.21	16.823	0.012	AB
PanSTARRS_r	638.08	1.04	16.888	0.002	AB
DES_r	640.29	1.53	16.884	0.003	AB
SDSS_i	995.98	9.37	16.404	0.010	AB
PanSTARRS_i	990.18	1.64	16.411	0.002	AB
PanSTARRS_z	1228.24	2.8	16.177	0.002	AB
SDSS_z	1344.02	19.87	16.079	0.016	AB
DES_z	1143.41	6.28	16.254	0.006	AB
PanSTARRS_y	1491.83	7.4	15.966	0.005	AB
2MASS_J	1881.51	130.96	14.819	0.076	Vega
2MASS_H	2265.38	213.28	14.145	0.102	Vega
2MASS_K	2188.12	243.33	13.712	0.121	Vega
WISE_W1	770.38	20.74	13.984	0.029	Vega
WISE_W2	410.39	22.86	14.028	0.060	Vega
WISE_W3	115.23	71.38	13.572	0.673	Vega
WISE_W4	-551.67	414.01			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})\,	9.756	9.912	10.028
{\rm log}_{10}({\rm SFR})	-0.709	-0.281	0.125
{\rm log}_{10}({\rm sSFR})	-10.670	-10.191	-9.698
{\rm stellar\ age}	4.370	6.586	8.112

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.322	-0.792	-0.472
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.687	-0.184	0.235

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.558	0.779	1.140
\delta	-0.911	-0.741	-0.519
\tau_1/\tau_2	0.646	0.956	1.265
Q_{PAH}	0.775	2.143	4.125
U_{min}	2.673	7.636	14.020
{\rm log}_{10}(\gamma_e)\,	-3.290	-1.981	-0.987

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.297	-3.022	-1.193
{\rm log}_{10}(\tau_{AGN})\,	1.060	1.525	1.988

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.545	-0.261	0.040
0.03-0.10 Gyr	-0.949	-0.311	0.179
0.10-0.33 Gyr	-0.954	-0.288	0.272
0.33-1.08 Gyr	-0.829	-0.146	0.278
1.08-3.56 Gyr	-0.572	-0.049	0.206
3.56-11.72 Gyr	-0.539	-0.034	0.181
11.72-13.03 Gyr	-0.718	-0.042	0.529

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.194	10.299	10.418
{\rm log}_{10}({\rm SFR})	-2.461	-1.064	-0.394
{\rm log}_{10}({\rm sSFR})	-12.839	-11.358	-10.665
{\rm stellar\ age}	6.779	8.052	11.906

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.685	-1.346	-1.044
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.488	-0.687	0.055

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.540	0.694	0.848
\delta	-0.806	-0.637	-0.458
\tau_1/\tau_2	0.474	0.879	1.269
Q_{PAH}	0.470	1.515	3.334
U_{min}	2.647	8.103	16.034
{\rm log}_{10}(\gamma_e)\,	-3.307	-2.178	-1.185

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.613	-3.858	-2.915
{\rm log}_{10}(\tau_{AGN})\,	1.061	1.563	1.946

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.630	-1.489	-0.772
0.03-0.10 Gyr	-2.957	-1.079	-0.277
0.10-0.33 Gyr	-3.186	-1.116	-0.210
0.33-1.08 Gyr	-3.232	-0.968	-0.112
1.08-3.56 Gyr	-2.480	-0.301	0.372
3.56-11.72 Gyr	-1.022	0.359	0.571
11.72-13.03 Gyr	-0.448	0.670	1.532