2025ej

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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

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	2.69
Cutout download	processed	4.25
Global aperture construction	processed	0.77
Local aperture photometry	processed	4.54
Global aperture photometry	processed	4.65
Validate local photometry	processed	0.02
Validate global photometry	processed	12.39
Host information	processed	0.1
Global host SED inference	processed	608.73
Local host SED inference	processed	769.53
Transient information	processed	0.0
Transient MWEBV	processed	0.12
Host MWEBV	processed	0.06
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) = 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

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	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