2025sgy

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Information

Transient

Name: AT2025sgy
Right ascension: 14h56m00.39s
Declination: 40d55m02.86s
Discovery Date: July 26, 2025, 6:37 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name:
Right ascension: 14h56m00.43s
Declination: 40d55m03.00s
Redshift: None
Photometric Redshift: 0.146

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	6.02
Cutout download	processed	27.99
Global aperture construction	processed	0.64
Local aperture photometry	processed	5.34
Global aperture photometry	processed	4.68
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	13.34
Host information	processed	0.14
Global host SED inference	processed	394.33
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.1
Host MWEBV	processed	0.08
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) = 14h56m00.39s, 40d55m02.86s
semi major axis, semi minor axis (arcsec) = 0.78, 0.78
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) = 14h56m00.42s, 40d55m03.17s
semi major axis, semi minor axis (arcsec) = 2.48, 2.36
angle (degrees, anti-clockwise from east) = -63.63

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	6.88	1.68	21.805	0.265	AB
SDSS_g	28.54	1.51	20.261	0.057	AB
PanSTARRS_g	29.2	0.67	20.236	0.025	AB
SDSS_r	56.62	2.16	19.518	0.041	AB
PanSTARRS_r	56.92	0.73	19.512	0.014	AB
SDSS_i	83.39	2.92	19.097	0.038	AB
PanSTARRS_i	80.01	0.54	19.142	0.007	AB
PanSTARRS_z	90.41	1.2	19.009	0.014	AB
SDSS_z	106.94	6.57	18.827	0.067	AB
PanSTARRS_y	103.36	2.97	18.864	0.031	AB
2MASS_J	101.28	70.93	17.991	0.760	Vega
2MASS_H	-4.37	108.88			Vega
2MASS_K	-39.98	137.81			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})\,	9.645	9.852	9.981
{\rm log}_{10}({\rm SFR})	-0.386	0.188	0.664
{\rm log}_{10}({\rm sSFR})	-10.326	-9.650	-9.047
{\rm stellar\ age}	2.862	5.563	7.039

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.325	-0.726	-0.095
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.522	-0.969	-0.162

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.409	0.737	1.042
\delta	-0.665	-0.408	-0.082
\tau_1/\tau_2	0.688	1.049	1.422
Q_{PAH}	1.119	2.753	4.962
U_{min}	2.744	7.851	14.989
{\rm log}_{10}(\gamma_e)\,	-3.044	-2.056	-0.939

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.611	-1.800	-0.795
{\rm log}_{10}(\tau_{AGN})\,	0.916	1.265	1.724

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.281	0.157	0.467
0.03-0.10 Gyr	-0.618	0.192	0.747
0.10-0.32 Gyr	-0.593	0.140	0.567
0.32-1.04 Gyr	-0.592	-0.008	0.445
1.04-3.33 Gyr	-0.621	-0.106	0.198
3.33-10.71 Gyr	-0.826	-0.109	0.154
10.71-11.90 Gyr	-1.110	-0.139	0.416