2025sgw

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Information

Transient

Name: AT2025sgw
Right ascension: 15h09m33.87s
Declination: 43d58m44.33s
Discovery Date: July 25, 2025, 10:18 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name: 2233702
Right ascension: 15h09m33.91s
Declination: 43d58m44.45s
Redshift: 0.154456
Photometric Redshift:

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	4.33
Cutout download	processed	45.31
Global aperture construction	processed	0.7
Local aperture photometry	processed	5.37
Global aperture photometry	processed	4.82
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	14.66
Host information	processed	0.15
Global host SED inference	processed	648.94
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.12
Host MWEBV	processed	0.05
Processing status	blocked	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) = 15h09m33.87s, 43d58m44.33s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
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) = 15h09m33.93s, 43d58m44.64s
semi major axis, semi minor axis (arcsec) = 5.55, 5.43
angle (degrees, anti-clockwise from east) = -157.35

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.14	2.01	22.123	0.424	AB
GALEX_NUV	1.78	0.4	23.275	0.247	AB
SDSS_u	31.03	4.54	20.171	0.159	AB
SDSS_g	207.05	3.99	18.110	0.021	AB
PanSTARRS_g	230.15	1.27	17.995	0.006	AB
SDSS_r	558.49	6.54	17.032	0.013	AB
PanSTARRS_r	553.39	1.52	17.042	0.003	AB
SDSS_i	833.2	8.6	16.598	0.011	AB
PanSTARRS_i	796.63	1.94	16.647	0.003	AB
PanSTARRS_z	973.74	3.26	16.429	0.004	AB
SDSS_z	1079.53	21.53	16.317	0.022	AB
PanSTARRS_y	1191.79	8.52	16.210	0.008	AB
2MASS_J	1629.22	142.21	14.975	0.095	Vega
2MASS_H	1757.76	239.79	14.420	0.148	Vega
2MASS_K	2091.92	214.81	13.761	0.111	Vega
WISE_W2	459.36	15.55	13.906	0.037	Vega
WISE_W3	99.87	40.93	13.727	0.445	Vega
WISE_W4	92.93	259.03	12.360	3.026	Vega

Imaging data

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})\,	10.837	10.956	11.116
{\rm log}_{10}({\rm SFR})	-1.349	0.203	0.813
{\rm log}_{10}({\rm sSFR})	-12.512	-10.745	-10.071
{\rm stellar\ age}	3.744	5.772	7.645

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.887	-0.630	-0.445
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.305	-0.735	-0.245

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.291	0.499	0.657
\delta	-0.981	-0.926	-0.781
\tau_1/\tau_2	0.521	0.876	1.268
Q_{PAH}	0.411	2.167	4.903
U_{min}	2.114	6.956	14.798
{\rm log}_{10}(\gamma_e)\,	-3.494	-2.552	-1.389

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.543	-3.767	-2.760
{\rm log}_{10}(\tau_{AGN})\,	1.050	1.546	1.953

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.062	0.443	0.859
0.03-0.10 Gyr	-3.174	-0.024	0.810
0.10-0.32 Gyr	-2.889	0.109	1.101
0.32-1.03 Gyr	-2.143	0.900	1.427
1.03-3.31 Gyr	-0.269	1.122	1.447
3.31-10.63 Gyr	0.228	0.989	1.341
10.63-11.81 Gyr	-0.160	0.928	1.710