2025yjg

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Information

Transient

Name: AT2025yjg
Right ascension: 23h37m20.53s
Declination: 25d09m20.14s
Discovery Date: Sept. 23, 2025, 6:56 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name:
Right ascension: 23h37m20.56s
Declination: 25d09m20.67s
Redshift: None
Photometric Redshift: 0.165

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.64
Transient MWEBV	processed	0.16
Host match	processed	4.87
Host information	processed	0.11
Host MWEBV	processed	0.05
Global aperture construction	processed	0.68
Global aperture photometry	processed	6.44
Validate global photometry	processed	17.57
Global host SED inference	processed	384.04
Local aperture photometry	processed	6.69
Validate local photometry	no valid phot	0.03
Local host SED inference	not 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) = 23h37m20.53s, 25d09m20.14s
semi major axis, semi minor axis (arcsec) = 0.71, 0.71
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) = 23h37m20.55s, 25d09m20.79s
semi major axis, semi minor axis (arcsec) = 3.25, 2.49
angle (degrees, anti-clockwise from east) = -57.21

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	4.38	1.99	22.297	0.494	AB
GALEX_NUV	3.53	1.15	22.532	0.355	AB
SDSS_u	7.37	2.54	21.731	0.374	AB
SDSS_g	22.5	1.45	20.520	0.070	AB
DES_g	23.84	0.35	20.457	0.016	AB
PanSTARRS_g	23.21	0.59	20.486	0.028	AB
SDSS_r	46.34	2.13	19.735	0.050	AB
PanSTARRS_r	44.78	0.8	19.772	0.019	AB
DES_r	49.97	0.87	19.653	0.019	AB
SDSS_i	66.34	3.02	19.346	0.049	AB
PanSTARRS_i	65.57	0.85	19.358	0.014	AB
PanSTARRS_z	76.74	2.08	19.187	0.029	AB
SDSS_z	90.39	8.11	19.010	0.097	AB
DES_z	75.68	2.09	19.203	0.030	AB
PanSTARRS_y	72.33	4.59	19.252	0.069	AB
2MASS_J	125.41	81.69	17.759	0.707	Vega
2MASS_H	80.59	124.4	17.767	1.676	Vega
2MASS_K	113.76	153.19	16.922	1.462	Vega
WISE_W1	49.53	7.34	16.964	0.161	Vega
WISE_W2	34.11	10.4	16.729	0.331	Vega
WISE_W3	36.09	51.27	14.833	1.542	Vega
WISE_W4	-215.36	349.63			Vega

Imaging data

Click the image to load the interactive plot.

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})\,	9.859	9.973	10.075
{\rm log}_{10}({\rm SFR})	-0.418	-0.068	0.239
{\rm log}_{10}({\rm sSFR})	-10.397	-10.019	-9.707
{\rm stellar\ age}	5.249	6.603	8.167

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.497	-1.050	-0.601
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.639	-0.394	0.119

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.266	0.470	0.681
\delta	-0.462	-0.122	0.110
\tau_1/\tau_2	0.790	1.133	1.482
Q_{PAH}	0.872	2.200	4.182
U_{min}	2.934	8.141	15.503
{\rm log}_{10}(\gamma_e)\,	-2.686	-1.734	-0.806

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.229	-2.918	-1.468
{\rm log}_{10}(\tau_{AGN})\,	1.004	1.522	1.926

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.349	-0.085	0.160
0.03-0.10 Gyr	-0.567	-0.088	0.307
0.10-0.32 Gyr	-0.652	-0.127	0.229
0.32-1.03 Gyr	-0.866	-0.227	0.193
1.03-3.29 Gyr	-0.637	-0.097	0.183
3.29-10.52 Gyr	-0.202	0.108	0.279
10.52-11.69 Gyr	-0.331	0.253	0.821