2025ej results

2025ej results

Information

Transient

Name:	`AT2025ej`
Right ascension:	`6h57m39.24s`
Declination:	`54d47m13.43s`
Discovery Date:	`Jan. 6, 2025, 9:37 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.043`

Host

Name:	`2025ej`
Right ascension:	`6h57m39.24s`
Declination:	`54d47m14.44s`
Redshift:	`None`
Photometric Redshift:	`0.101`

Cutout Download Report

Downloaded	Unavailable
2MASS_H 2MASS_J 2MASS_K WISE_W1 WISE_W2 WISE_W3 WISE_W4 PanSTARRS_g PanSTARRS_r PanSTARRS_i PanSTARRS_z PanSTARRS_y	GALEX_NUV GALEX_FUV SDSS_i SDSS_r SDSS_u SDSS_z SDSS_g DES_g DES_r DES_i DES_z DES_Y

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	4.25
Transient MWEBV	processed	0.12
Host match	processed	2.69
Host information	processed	0.1
Host MWEBV	processed	0.06
Global aperture construction	processed	0.77
Global aperture photometry	processed	4.65
Validate global photometry	processed	12.39
Global host SED inference	processed	608.73
Local aperture photometry	processed	4.54
Validate local photometry	processed	0.02
Local host SED inference	processed	769.53

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	6h57m39.24s, 54d47m13.43s
semi major axis, semi minor axis (arcsec):	1.08, 1.08
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_z	78.82	0.93	19.158	0.013	AB
PanSTARRS_y	90.44	1.78	19.009	0.021	AB

Aperture details

RA, DEC (J2000):	6h57m39.23s, 54d47m14.51s
semi major axis, semi minor axis (arcsec):	4.6, 3.73
angle (degrees, anti-clockwise from east):	-28.75

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_g	124.5	0.98	18.662	0.009	AB
PanSTARRS_r	203.85	1.24	18.127	0.007	AB
PanSTARRS_i	290.63	0.98	17.742	0.004	AB
PanSTARRS_z	334.07	3.3	17.590	0.011	AB
PanSTARRS_y	388.43	6.34	17.427	0.018	AB
2MASS_J	484.87	102.4	16.291	0.229	Vega
2MASS_H	685.67	146.55	15.442	0.232	Vega
2MASS_K	261.81	185.7	16.017	0.770	Vega
WISE_W2	210.87	17.73	14.751	0.091	Vega
WISE_W3	903.38	89.88	11.336	0.108	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.177	9.486	9.748
{\rm log}_{10}({\rm SFR})	-0.826	-0.261	0.300
{\rm log}_{10}({\rm sSFR})	-10.402	-9.762	-9.036
{\rm stellar\ age}	2.924	6.761	10.262

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.270	-0.448	-0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.252	-0.604	-0.039

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.292	0.692	1.093
\delta	-0.682	-0.287	0.067
\tau_1/\tau_2	0.535	0.941	1.360
Q_{PAH}	0.624	2.095	4.393
U_{min}	3.030	8.185	15.310
{\rm log}_{10}(\gamma_e)\,	-3.212	-1.857	-0.609

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.453	-1.310	-0.182
{\rm log}_{10}(\tau_{AGN})\,	1.075	1.495	1.977

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.651	-0.123	0.316
0.03-0.10 Gyr	-2.234	-0.665	0.176
0.10-0.33 Gyr	-3.438	-0.961	-0.081
0.33-1.06 Gyr	-4.006	-0.915	-0.018
1.06-3.44 Gyr	-3.487	-0.938	-0.354
3.44-11.20 Gyr	-2.173	-0.603	-0.166
11.20-12.44 Gyr	-1.642	-0.365	0.727

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.990	10.091	10.186
{\rm log}_{10}({\rm SFR})	-0.460	-0.059	0.345
{\rm log}_{10}({\rm sSFR})	-10.610	-10.161	-9.732
{\rm stellar\ age}	4.441	6.129	7.411

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.909	-0.517	-0.200
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.519	-0.470	0.215

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.225	0.389	0.629
\delta	-0.767	-0.316	0.110
\tau_1/\tau_2	0.664	1.006	1.334
Q_{PAH}	0.832	2.386	4.377
U_{min}	2.416	7.323	14.184
{\rm log}_{10}(\gamma_e)\,	-2.852	-1.711	-0.882

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.884	-2.332	-1.347
{\rm log}_{10}(\tau_{AGN})\,	1.007	1.439	1.874

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.384	-0.123	0.146
0.03-0.10 Gyr	-0.603	-0.056	0.430
0.10-0.33 Gyr	-0.474	0.090	0.473
0.33-1.06 Gyr	-0.252	0.157	0.499
1.06-3.44 Gyr	-0.145	0.210	0.480
3.44-11.20 Gyr	-0.230	0.169	0.348
11.20-12.44 Gyr	-0.464	0.165	0.655