2025yj

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Information

Transient

Name: AT2025yj
Right ascension: 16h03m16.82s
Declination: 5d38m20.46s
Discovery Date: Jan. 19, 2025, 3:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name: 2025yj
Right ascension: 16h03m16.32s
Declination: 5d38m27.56s
Redshift: 0.030938
Photometric Redshift: 0.023

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	3.03
Cutout download	processed	19.2
Global aperture construction	processed	0.59
Local aperture photometry	processed	5.56
Global aperture photometry	processed	6.05
Validate local photometry	processed	0.02
Validate global photometry	processed	17.14
Host information	processed	0.08
Global host SED inference	processed	426.57
Local host SED inference	processed	423.0
Transient information	processed	0.0
Transient MWEBV	processed	0.11
Host MWEBV	processed	0.04
Log transient processing status	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) = 16h03m16.82s, 5d38m20.46s
semi major axis, semi minor axis (arcsec) = 3.23, 3.23
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	46.84	3.55	19.723	0.082	AB
SDSS_g	153.07	3.43	18.438	0.024	AB
DES_g	153.49	0.76	18.435	0.005	AB
PanSTARRS_g	152.98	0.8	18.438	0.006	AB
SDSS_r	204.18	4.19	18.125	0.022	AB
PanSTARRS_r	214.14	0.93	18.073	0.005	AB
DES_r	222.42	1.17	18.032	0.006	AB
SDSS_i	253.34	4.91	17.891	0.021	AB
PanSTARRS_i	248.08	0.76	17.914	0.003	AB
PanSTARRS_z	260.1	2.35	17.862	0.010	AB
SDSS_z	256.16	10.96	17.879	0.046	AB
DES_z	275.98	3.7	17.798	0.015	AB
PanSTARRS_y	307.88	4.97	17.679	0.018	AB
2MASS_J	269.2	77.07	16.930	0.311	Vega
2MASS_H	353.31	101.47	16.162	0.312	Vega
2MASS_K	176.44	128.17	16.446	0.789	Vega

Aperture details

RA, DEC (J2000) = 16h03m16.47s, 5d38m24.56s
semi major axis, semi minor axis (arcsec) = 32.77, 31.15
angle (degrees, anti-clockwise from east) = -134.93

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	537.71	6.55	17.074	0.013	AB
DES_g	6324.43	5.43	14.397	0.001	AB
PanSTARRS_g	6428.44	7.71	14.380	0.001	AB
PanSTARRS_r	9844.52	8.92	13.917	0.001	AB
DES_r	9869.39	8.8	13.914	0.001	AB
PanSTARRS_i	11931.86	7.39	13.708	0.001	AB
PanSTARRS_z	13067.5	22.35	13.610	0.002	AB
PanSTARRS_y	14595.4	49.37	13.489	0.004	AB
WISE_W1	8467.18	84.21	11.382	0.011	Vega
WISE_W4	41490.82	3224.83	5.735	0.084	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.673	8.871	9.014
${\rm log}_{10}({\rm SFR})$	-1.593	-1.077	-0.691
${\rm log}_{10}({\rm sSFR})$	-10.575	-9.913	-9.416
${\rm stellar\ age}$	2.710	5.792	7.795

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.859	-1.592	-0.988
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.700	-1.188	-0.237

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.162	0.408	0.647
$\delta$	-0.536	-0.161	0.166
$\tau_1/\tau_2$	0.718	1.059	1.426
$Q_{PAH}$	0.490	2.112	4.493
$U_{min}$	2.792	7.624	14.372
${\rm log}_{10}(\gamma_e)\,$	-3.340	-1.883	-0.761

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.841	-1.845	-0.584
${\rm log}_{10}(\tau_{AGN})\,$	1.024	1.478	1.954

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.423	-1.087	-0.827
0.03-0.10 Gyr	-1.882	-1.086	-0.607
0.10-0.33 Gyr	-1.798	-0.882	-0.370
0.33-1.10 Gyr	-1.659	-0.944	-0.571
1.10-3.63 Gyr	-1.606	-1.065	-0.752
3.63-12.01 Gyr	-2.015	-1.191	-0.866
12.01-13.34 Gyr	-2.108	-1.220	-0.622

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.484	10.564	10.648
${\rm log}_{10}({\rm SFR})$	0.168	0.522	0.842
${\rm log}_{10}({\rm sSFR})$	-10.391	-10.040	-9.698
${\rm stellar\ age}$	5.444	6.688	7.816

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.139	-0.768	-0.556
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.811	-1.524	0.219

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.121	0.231	0.389
$\delta$	-0.680	-0.300	0.051
$\tau_1/\tau_2$	0.604	1.017	1.401
$Q_{PAH}$	0.368	1.307	3.131
$U_{min}$	2.760	7.360	14.250
${\rm log}_{10}(\gamma_e)\,$	-3.114	-1.906	-1.288

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.365	-1.892	-1.418
${\rm log}_{10}(\tau_{AGN})\,$	1.079	1.518	1.939

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.121	0.360	0.544
0.03-0.10 Gyr	0.117	0.569	0.962
0.10-0.33 Gyr	0.236	0.687	0.978
0.33-1.10 Gyr	0.260	0.603	0.829
1.10-3.63 Gyr	0.357	0.648	0.896
3.63-12.01 Gyr	0.374	0.627	0.786
12.01-13.34 Gyr	0.092	0.654	1.080