2025ew

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Information

Transient

Name: AT2025ew
Right ascension: 6h39m39.58s
Declination: 35d48m15.32s
Discovery Date: Jan. 4, 2025, 6:29 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.123

Host

Name: 2025ew
Right ascension: 6h39m39.49s
Declination: 35d48m16.85s
Redshift: None
Photometric Redshift: 0.107

Processing Status

Task Name	Status	Time taken (s)
Host match	processed	3.66
Cutout download	processed	25.17
Global aperture construction	processed	0.85
Local aperture photometry	processed	7.49
Global aperture photometry	processed	7.8
Validate local photometry	processed	0.03
Validate global photometry	processed	23.58
Host information	processed	0.11
Global host SED inference	processed	663.79
Local host SED inference	processed	944.89
Transient information	processed	0.0
Transient MWEBV	processed	0.08
Host MWEBV	processed	0.07
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) = 6h39m39.58s, 35d48m15.32s
semi major axis, semi minor axis (arcsec) = 1.03, 1.03
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
DES_z	52.43	1.04	19.601	0.021	AB
PanSTARRS_y	44.11	2.18	19.789	0.054	AB

Aperture details

RA, DEC (J2000) = 6h39m39.48s, 35d48m17.16s
semi major axis, semi minor axis (arcsec) = 6.49, 4.88
angle (degrees, anti-clockwise from east) = -141.34

Filter	Flux ${\rm (\mu Jy)}$	Flux error ${\rm (\mu Jy)}$	Mag	Mag error	Mag sys
GALEX_FUV	3.38	1.98	22.578	0.636	AB
GALEX_NUV	8.71	1.9	21.550	0.236	AB
SDSS_u	71.7	4.73	19.261	0.072	AB
SDSS_g	170.27	3.99	18.322	0.025	AB
DES_g	173.36	0.66	18.303	0.004	AB
PanSTARRS_g	174.84	1.3	18.293	0.008	AB
SDSS_r	349.81	5.62	17.540	0.017	AB
PanSTARRS_r	349.56	1.62	17.541	0.005	AB
SDSS_i	526.31	7.43	17.097	0.015	AB
PanSTARRS_i	518.17	1.9	17.114	0.004	AB
PanSTARRS_z	623.28	4.67	16.913	0.008	AB
SDSS_z	725.29	18.42	16.749	0.028	AB
DES_z	685.7	3.81	16.810	0.006	AB
PanSTARRS_y	701.75	11.32	16.785	0.018	AB
2MASS_J	1032.37	173.55	15.471	0.183	Vega
2MASS_H	1311.05	271.78	14.738	0.225	Vega
2MASS_K	1449.79	297.64	14.159	0.223	Vega
WISE_W1	603.22	26.2	14.250	0.047	Vega
WISE_W2	382.43	37.77	14.105	0.107	Vega
WISE_W3	1836.32	162.3	10.566	0.096	Vega
WISE_W4	2293.33	933.27	8.879	0.442	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	8.793	9.242	9.515
${\rm log}_{10}({\rm SFR})$	-0.666	-0.162	0.261
${\rm log}_{10}({\rm sSFR})$	-10.060	-9.407	-8.618
${\rm stellar\ age}$	2.272	6.426	8.778

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-1.784	-1.189	-0.151
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.323	-0.664	0.079

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.232	0.456	0.774
$\delta$	-0.806	-0.517	-0.079
$\tau_1/\tau_2$	0.492	0.906	1.411
$Q_{PAH}$	0.386	1.481	4.231
$U_{min}$	2.977	8.178	15.432
${\rm log}_{10}(\gamma_e)\,$	-3.284	-2.375	-1.100

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-3.310	-1.224	-0.308
${\rm log}_{10}(\tau_{AGN})\,$	0.935	1.318	1.770

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.387	0.042	0.437
0.03-0.10 Gyr	-2.102	-0.601	0.182
0.10-0.32 Gyr	-3.205	-1.323	-0.406
0.32-1.06 Gyr	-3.542	-1.335	-0.582
1.06-3.43 Gyr	-3.048	-1.138	-0.552
3.43-11.14 Gyr	-2.397	-0.874	-0.362
11.14-12.37 Gyr	-2.199	-0.740	0.223

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(M_{\ast}/M_{\odot})\,$	10.458	10.557	10.649
${\rm log}_{10}({\rm SFR})$	0.138	0.563	1.208
${\rm log}_{10}({\rm sSFR})$	-10.436	-10.019	-9.329
${\rm stellar\ age}$	6.458	7.310	9.891

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(Z_{\ast}/Z_{\odot})$	-0.967	-0.564	-0.360
${\rm log}_{10}(Z_{gas}/Z_{\odot})\,$	-1.398	0.011	0.346

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
$\tau_2$	0.185	0.333	0.549
$\delta$	-0.790	-0.471	0.007
$\tau_1/\tau_2$	0.484	0.885	1.297
$Q_{PAH}$	0.914	2.919	5.223
$U_{min}$	2.461	7.621	15.027
${\rm log}_{10}(\gamma_e)\,$	-3.204	-1.943	-0.951

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
${\rm log}_{10}(f_{AGN})\,$	-4.054	-2.920	-1.939
${\rm log}_{10}(\tau_{AGN})\,$	1.053	1.564	1.948

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.557	0.108	0.331
0.03-0.10 Gyr	0.151	0.676	1.358
0.10-0.32 Gyr	-1.557	0.035	0.483
0.32-1.06 Gyr	-2.833	-0.169	0.239
1.06-3.43 Gyr	-1.517	0.206	0.618
3.43-11.14 Gyr	0.160	0.680	0.840
11.14-12.37 Gyr	0.158	0.846	1.615