2025dfh results

2025dfh results

Information

Transient

Name:	`AT2025dfh`
Right ascension:	`4h32m38.64s`
Declination:	`-21d14m37.69s`
Discovery Date:	`Feb. 17, 2025, 2:08 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.028`

Host

Name:	`2025dfh`
Right ascension:	`4h32m38.68s`
Declination:	`-21d14m37.98s`
Redshift:	`0.101983`
Photometric Redshift:	`0.131`

Cutout Download Report

Downloaded	Unavailable
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

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	3.02
Transient MWEBV	processed	0.05
Host match	processed	2.6
Host information	processed	0.09
Host MWEBV	processed	0.05
Global aperture construction	processed	0.56
Global aperture photometry	processed	3.5
Validate global photometry	processed	10.93
Global host SED inference	processed	382.51
Local aperture photometry	processed	3.41
Validate local photometry	processed	0.02
Local host SED inference	processed	816.93

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	4h32m38.64s, -21d14m37.69s
semi major axis, semi minor axis (arcsec):	1.07, 1.07
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_y	201.3	2.25	18.140	0.012	AB

Aperture details

RA, DEC (J2000):	4h32m38.67s, -21d14m37.65s
semi major axis, semi minor axis (arcsec):	12.96, 6.74
angle (degrees, anti-clockwise from east):	-38.28

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	22.56	3.71	20.517	0.179	AB
GALEX_NUV	29.01	3.26	20.244	0.122	AB
PanSTARRS_g	363.26	2.59	17.499	0.008	AB
PanSTARRS_r	730.18	3.11	16.741	0.005	AB
PanSTARRS_i	1083.84	2.88	16.313	0.003	AB
PanSTARRS_y	1632.52	18.91	15.868	0.013	AB
2MASS_J	2242.57	224.06	14.628	0.108	Vega
2MASS_H	2484.26	335.79	14.044	0.147	Vega
2MASS_K	2640.3	476.91	13.508	0.196	Vega
WISE_W1	1649.71	35.99	13.157	0.024	Vega
WISE_W3	1589.29	141.36	10.723	0.097	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.406	9.833	10.056
{\rm log}_{10}({\rm SFR})	-0.252	0.252	0.615
{\rm log}_{10}({\rm sSFR})	-10.210	-9.541	-8.884
{\rm stellar\ age}	2.177	6.704	9.089

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.206	-0.424	0.033
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.020	-0.285	0.199

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.378	0.697	1.196
\delta	-0.767	-0.377	-0.017
\tau_1/\tau_2	0.559	1.033	1.499
Q_{PAH}	0.437	1.876	4.019
U_{min}	3.026	8.006	15.070
{\rm log}_{10}(\gamma_e)\,	-3.564	-2.648	-0.897

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.700	-1.360	-0.279
{\rm log}_{10}(\tau_{AGN})\,	1.023	1.491	1.950

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.182	0.402	0.750
0.03-0.10 Gyr	-1.296	-0.082	0.618
0.10-0.33 Gyr	-1.913	-0.527	0.319
0.33-1.06 Gyr	-2.145	-0.619	0.067
1.06-3.44 Gyr	-2.477	-0.572	-0.014
3.44-11.19 Gyr	-2.070	-0.232	0.169
11.19-12.43 Gyr	-1.812	-0.092	0.845

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.947	10.987	11.038
{\rm log}_{10}({\rm SFR})	0.055	0.259	0.464
{\rm log}_{10}({\rm sSFR})	-10.933	-10.733	-10.540
{\rm stellar\ age}	7.136	7.755	9.535

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.298	-0.074	0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.520	-0.697	0.058

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.267	0.386	0.549
\delta	-0.163	0.128	0.304
\tau_1/\tau_2	0.505	0.820	1.189
Q_{PAH}	0.555	1.368	2.451
U_{min}	2.270	6.533	13.083
{\rm log}_{10}(\gamma_e)\,	-3.363	-2.453	-1.628

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.923	-2.375	-1.496
{\rm log}_{10}(\tau_{AGN})\,	0.834	1.104	1.664

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.260	0.441	0.602
0.03-0.10 Gyr	-0.428	0.128	0.466
0.10-0.33 Gyr	-0.578	-0.024	0.317
0.33-1.06 Gyr	-0.493	0.065	0.407
1.06-3.44 Gyr	-0.134	0.498	0.909
3.44-11.19 Gyr	0.921	1.173	1.264
11.19-12.43 Gyr	0.905	1.364	1.920