2025afvg results

2025afvg results

Information

Transient

Name:	`AT2025afvg`
Right ascension:	`23h19m25.87s`
Declination:	`-10d16m37.14s`
Discovery Date:	`Dec. 5, 2025, 4:56 a.m.`
Classification:	`None`
Redshift:	`None`
MW E(B-V):	`0.025`

Host

Name:	`3100249`
Right ascension:	`23h19m25.96s`
Declination:	`-10d16m35.09s`
Redshift:	`0.069814`
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 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	18.42
Transient MWEBV	processed	0.18
Host match	processed	4.59
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	processed	4.66
Validate global photometry	processed	14.87
Global host SED inference	processed	378.81
Local aperture photometry	processed	4.67
Validate local photometry	processed	0.02
Local host SED inference	processed	435.14

Imaging data

Spectral Energy Distribution

Aperture Photometry

Aperture details

RA, DEC (J2000):	23h19m25.87s, -10d16m37.14s
semi major axis, semi minor axis (arcsec):	1.5, 1.5
angle (degrees, anti-clockwise from east):	0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_g	51.31	1.94	19.625	0.041	AB
PanSTARRS_g	59.66	0.47	19.461	0.009	AB
SDSS_r	92.41	2.62	18.986	0.031	AB
PanSTARRS_r	99.87	0.62	18.901	0.007	AB
SDSS_i	135.71	3.33	18.568	0.027	AB
PanSTARRS_i	139.81	0.61	18.536	0.005	AB
PanSTARRS_z	175.61	1.62	18.289	0.010	AB
SDSS_z	170.15	6.47	18.323	0.041	AB
PanSTARRS_y	213.38	2.68	18.077	0.014	AB

Aperture details

RA, DEC (J2000):	23h19m25.96s, -10d16m35.96s
semi major axis, semi minor axis (arcsec):	13.55, 5.55
angle (degrees, anti-clockwise from east):	-15.14

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	39.65	1.25	19.904	0.034	AB
GALEX_NUV	63.89	1.0	19.386	0.017	AB
SDSS_u	171.37	10.59	18.315	0.067	AB
SDSS_g	637.52	7.31	16.889	0.012	AB
PanSTARRS_g	700.99	2.59	16.786	0.004	AB
SDSS_r	1186.79	10.07	16.214	0.009	AB
PanSTARRS_r	1192.08	3.49	16.209	0.003	AB
SDSS_i	1737.38	13.52	15.800	0.008	AB
PanSTARRS_i	1688.67	3.41	15.831	0.002	AB
PanSTARRS_z	2079.75	9.19	15.605	0.005	AB
SDSS_z	2088.83	34.17	15.600	0.018	AB
PanSTARRS_y	2486.56	15.2	15.411	0.007	AB
2MASS_J	2949.13	191.04	14.331	0.070	Vega
2MASS_H	3981.64	293.64	13.532	0.080	Vega
2MASS_K	4174.4	377.21	13.011	0.098	Vega
WISE_W1	1803.36	28.69	13.061	0.017	Vega
WISE_W2	1108.45	32.56	12.949	0.032	Vega
WISE_W3	4510.34	122.18	9.590	0.029	Vega
WISE_W4	4572.07	870.68	8.130	0.207	Vega

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.424	9.575	9.690
{\rm log}_{10}({\rm SFR})	-1.256	-0.535	0.123
{\rm log}_{10}({\rm sSFR})	-10.790	-10.098	-9.385
{\rm stellar\ age}	3.435	6.491	8.084

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.929	-0.383	-0.049
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.582	-0.746	0.018

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.377	0.821	1.212
\delta	-0.402	-0.077	0.238
\tau_1/\tau_2	0.674	1.038	1.400
Q_{PAH}	0.906	2.769	5.273
U_{min}	2.977	8.399	15.922
{\rm log}_{10}(\gamma_e)\,	-3.203	-1.850	-0.597

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.552	-1.362	-0.393
{\rm log}_{10}(\tau_{AGN})\,	1.023	1.465	2.025

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.024	-1.049	-0.650
0.03-0.10 Gyr	-1.349	-0.430	0.272
0.10-0.33 Gyr	-1.115	-0.369	0.185
0.33-1.07 Gyr	-1.301	-0.473	-0.001
1.07-3.52 Gyr	-1.284	-0.460	-0.145
3.52-11.55 Gyr	-1.468	-0.407	-0.175
11.55-12.83 Gyr	-1.498	-0.346	0.258

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.632	10.677	10.721
{\rm log}_{10}({\rm SFR})	0.178	0.392	0.634
{\rm log}_{10}({\rm sSFR})	-10.501	-10.273	-10.038
{\rm stellar\ age}	6.967	7.644	9.069

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.505	-0.341	-0.202
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.398	-0.218	0.197

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.236	0.344	0.475
\delta	-0.379	-0.161	0.014
\tau_1/\tau_2	0.864	1.199	1.535
Q_{PAH}	1.490	2.706	4.286
U_{min}	2.473	7.151	14.193
{\rm log}_{10}(\gamma_e)\,	-2.346	-1.679	-1.026

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.236	-3.149	-2.107
{\rm log}_{10}(\tau_{AGN})\,	1.061	1.569	1.951

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.066	0.221	0.347
0.03-0.10 Gyr	0.156	0.454	0.749
0.10-0.33 Gyr	0.079	0.382	0.636
0.33-1.07 Gyr	-0.057	0.255	0.462
1.07-3.52 Gyr	0.003	0.410	0.667
3.52-11.55 Gyr	0.662	0.834	0.924
11.55-12.83 Gyr	0.598	0.987	1.480