2025vdn

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Information

Transient

Name: AT2025vdn
Right ascension: 0h35m29.16s
Declination: -29d31m02.19s
Discovery Date: Aug. 17, 2025, 9:30 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.016

Host

Name:
Right ascension: 0h35m29.18s
Declination: -29d31m02.32s
Redshift: None
Photometric Redshift: 0.135

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.41
Cutout download	processed	10.03
Global aperture construction	processed	0.67
Local aperture photometry	processed	5.51
Global aperture photometry	processed	5.05
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	13.68
Host information	processed	0.15
Global host SED inference	processed	461.44
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.04
Host MWEBV	processed	0.12
Processing status	blocked	N/A	N/A

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) = 0h35m29.16s, -29d31m02.19s
semi major axis, semi minor axis (arcsec) = 0.84, 0.84
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys

Data not available

Aperture details

RA, DEC (J2000) = 0h35m29.16s, -29d31m02.01s
semi major axis, semi minor axis (arcsec) = 3.29, 2.73
angle (degrees, anti-clockwise from east) = -50.7

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.96	2.39	21.962	0.436	AB
GALEX_NUV	7.46	1.27	21.718	0.185	AB
DES_g	30.09	0.3	20.204	0.011	AB
PanSTARRS_g	28.12	0.78	20.277	0.030	AB
PanSTARRS_r	37.92	0.95	19.953	0.027	AB
DES_r	44.89	0.37	19.770	0.009	AB
PanSTARRS_i	46.71	1.09	19.727	0.025	AB
PanSTARRS_z	51.82	2.96	19.614	0.062	AB
DES_z	59.26	1.07	19.468	0.020	AB
PanSTARRS_y	51.58	5.7	19.619	0.120	AB
2MASS_J	118.75	86.67	17.819	0.792	Vega
2MASS_H	259.29	142.53	16.498	0.597	Vega
2MASS_K	-1.01	147.09			Vega
WISE_W1	45.24	6.09	17.062	0.146	Vega
WISE_W2	29.66	9.59	16.881	0.351	Vega
WISE_W3	-80.38	41.49			Vega
WISE_W4	595.85	372.44	10.342	0.679	Vega

Imaging data

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.024	9.228	9.434
{\rm log}_{10}({\rm SFR})	-2.321	-0.513	0.316
{\rm log}_{10}({\rm sSFR})	-11.601	-9.789	-8.840
{\rm stellar\ age}	0.295	1.791	4.794

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.498	-0.808	-0.206
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.688	-0.777	0.200

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.315	0.545	0.820
\delta	-0.163	0.147	0.314
\tau_1/\tau_2	0.585	1.020	1.463
Q_{PAH}	1.030	2.691	4.713
U_{min}	3.455	10.434	18.491
{\rm log}_{10}(\gamma_e)\,	-2.628	-1.533	-0.521

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.965	-2.334	-1.019
{\rm log}_{10}(\tau_{AGN})\,	1.007	1.475	1.950

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-4.056	-1.668	-0.726
0.03-0.10 Gyr	-2.609	-0.416	0.475
0.10-0.32 Gyr	-0.089	0.473	0.802
0.32-1.04 Gyr	-2.192	-0.325	0.241
1.04-3.36 Gyr	-3.930	-1.325	-0.411
3.36-10.83 Gyr	-4.872	-1.759	-0.712
10.83-12.04 Gyr	-5.282	-1.702	-0.491