2025yjr

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Information

Transient

Name: AT2025yjr
Right ascension: 1h22m04.01s
Declination: 7d16m18.40s
Discovery Date: Sept. 17, 2025, 9:36 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name:
Right ascension: 1h22m04.00s
Declination: 7d16m18.70s
Redshift: None
Photometric Redshift: 0.166

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	17.85
Transient MWEBV	processed	0.06
Host match	processed	4.89
Host information	processed	0.07
Host MWEBV	processed	0.04
Global aperture construction	processed	2.71
Global aperture photometry	processed	6.26
Validate global photometry	processed	17.32
Global host SED inference	processed	384.13
Local aperture photometry	processed	6.77
Validate local photometry	no valid phot	0.02
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) = 1h22m04.01s, 7d16m18.40s
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) = 1h22m03.99s, 7d16m18.85s
semi major axis, semi minor axis (arcsec) = 4.94, 2.76
angle (degrees, anti-clockwise from east) = -167.42

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.28	0.39	23.629	0.333	AB
GALEX_NUV	0.92	0.44	23.993	0.524	AB
SDSS_u	6.26	3.46	21.908	0.600	AB
SDSS_g	19.77	1.6	20.660	0.088	AB
DES_g	17.18	0.31	20.812	0.019	AB
PanSTARRS_g	18.21	0.91	20.749	0.054	AB
SDSS_r	33.59	2.23	20.085	0.072	AB
PanSTARRS_r	33.45	0.9	20.089	0.029	AB
DES_r	36.89	0.62	19.983	0.018	AB
SDSS_i	46.35	3.25	19.735	0.076	AB
PanSTARRS_i	50.44	0.85	19.643	0.018	AB
PanSTARRS_z	57.29	2.06	19.505	0.039	AB
SDSS_z	17.66	12.77	20.782	0.785	AB
DES_z	67.99	1.72	19.319	0.028	AB
PanSTARRS_y	81.79	5.24	19.118	0.069	AB
2MASS_J	143.78	99.38	17.611	0.750	Vega
2MASS_H	35.29	141.91	18.663	4.366	Vega
2MASS_K	103.11	177.06	17.029	1.864	Vega
WISE_W1	65.99	9.66	16.652	0.159	Vega
WISE_W2	30.87	13.12	16.837	0.461	Vega
WISE_W3	145.03	59.32	13.322	0.444	Vega
WISE_W4	173.34	460.89	11.683	2.887	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})\,	9.774	9.884	9.974
{\rm log}_{10}({\rm SFR})	-0.457	-0.040	0.326
{\rm log}_{10}({\rm sSFR})	-10.368	-9.918	-9.472
{\rm stellar\ age}	3.783	5.384	6.462

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.998	-0.353	0.013
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.509	-0.170	0.303

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.455	0.717	1.001
\delta	-0.304	-0.065	0.131
\tau_1/\tau_2	0.718	1.053	1.391
Q_{PAH}	1.109	2.779	4.699
U_{min}	2.691	7.747	14.404
{\rm log}_{10}(\gamma_e)\,	-2.815	-1.859	-0.915

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.003	-2.080	-0.906
{\rm log}_{10}(\tau_{AGN})\,	1.022	1.433	1.867

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.610	-0.175	0.147
0.03-0.10 Gyr	-0.495	-0.021	0.417
0.10-0.32 Gyr	-0.225	0.178	0.526
0.32-1.03 Gyr	-0.184	0.182	0.497
1.03-3.28 Gyr	-0.223	0.054	0.260
3.28-10.51 Gyr	-0.418	-0.047	0.125
10.51-11.68 Gyr	-0.662	-0.061	0.398