2025gxq results

2025gxq results

Information

Transient

Name:	`AT2025gxq`
Right ascension:	`20h39m07.37s`
Declination:	`-49d50m56.97s`
Discovery Date:	`April 6, 2025, 5:04 p.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.027`

Host

Name:	`2025gxq`
Right ascension:	`20h39m04.47s`
Declination:	`-49d50m17.01s`
Redshift:	`0.084895`
Photometric Redshift:	`None`

Cutout Download Report

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

Processing Status: completed

Task Name	Status	Time (s)
Cutout download	processed	7.64
Transient MWEBV	processed	0.12
Host match	processed	0.9
Host information	processed	0.1
Host MWEBV	processed	0.07
Global aperture construction	processed	0.6
Global aperture photometry	processed	2.59
Validate global photometry	processed	8.47
Global host SED inference	processed	561.44
Local aperture photometry	processed	2.48
Validate local photometry	processed	0.02
Local host SED inference	processed	426.85

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	20h39m07.37s, -49d50m56.97s
semi major axis, semi minor axis (arcsec):	1.26, 1.26
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	11.14	0.14	21.283	0.013	AB
DES_r	16.68	0.23	20.844	0.015	AB
DES_z	20.41	0.69	20.626	0.037	AB

Aperture details

RA, DEC (J2000):	20h39m04.40s, -49d50m17.37s
semi major axis, semi minor axis (arcsec):	12.97, 6.07
angle (degrees, anti-clockwise from east):	98.76

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	85.5	6.3	19.070	0.080	AB
DES_g	553.38	0.94	17.042	0.002	AB
DES_r	881.47	1.61	16.537	0.002	AB
DES_z	1233.07	5.21	16.173	0.005	AB
2MASS_J	1871.89	223.63	14.824	0.130	Vega
2MASS_H	1989.04	342.55	14.286	0.187	Vega
2MASS_K	2240.32	419.36	13.686	0.203	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.289	8.499	8.719
{\rm log}_{10}({\rm SFR})	-1.420	-0.799	-0.180
{\rm log}_{10}({\rm sSFR})	-10.017	-9.328	-8.489
{\rm stellar\ age}	0.880	4.531	6.715

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.753	-1.338	-0.419
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.675	-0.796	0.121

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.266	0.618	1.052
\delta	-0.527	-0.144	0.228
\tau_1/\tau_2	0.743	1.115	1.480
Q_{PAH}	0.813	2.493	5.073
U_{min}	3.043	8.325	15.387
{\rm log}_{10}(\gamma_e)\,	-2.896	-1.832	-0.694

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.949	-0.644	0.069
{\rm log}_{10}(\tau_{AGN})\,	1.123	1.537	1.969

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.490	-0.947	-0.487
0.03-0.10 Gyr	-1.564	-0.816	-0.086
0.10-0.33 Gyr	-1.711	-0.972	-0.384
0.33-1.07 Gyr	-2.368	-1.282	-0.805
1.07-3.48 Gyr	-3.035	-1.513	-1.133
3.48-11.38 Gyr	-3.505	-1.642	-1.175
11.38-12.64 Gyr	-3.362	-1.695	-1.047

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.279	10.385	10.491
{\rm log}_{10}({\rm SFR})	0.388	0.780	1.163
{\rm log}_{10}({\rm sSFR})	-10.019	-9.623	-9.215
{\rm stellar\ age}	2.880	5.617	7.163

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.303	-0.556	-0.129
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.534	0.011	0.265

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.159	0.485	0.915
\delta	-0.230	0.141	0.327
\tau_1/\tau_2	0.637	1.121	1.566
Q_{PAH}	0.601	2.941	5.234
U_{min}	2.275	6.865	13.998
{\rm log}_{10}(\gamma_e)\,	-3.348	-1.803	-0.911

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.381	-2.877	-0.783
{\rm log}_{10}(\tau_{AGN})\,	0.999	1.544	1.963

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.033	0.516	0.857
0.03-0.10 Gyr	0.301	0.831	1.274
0.10-0.33 Gyr	0.320	0.793	1.200
0.33-1.07 Gyr	0.037	0.628	0.952
1.07-3.48 Gyr	-0.102	0.501	0.779
3.48-11.38 Gyr	-0.545	0.351	0.584
11.38-12.64 Gyr	-0.711	0.368	0.921