2025vka

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Information

Transient

Name: AT2025vka
Right ascension: 16h48m27.83s
Declination: 17d38m24.92s
Discovery Date: Aug. 25, 2025, 6:40 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.070

Host

Name:
Right ascension: 16h48m27.92s
Declination: 17d38m26.46s
Redshift: None
Photometric Redshift: 0.111

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	34.92
Transient MWEBV	processed	0.04
Host match	processed	6.92
Host information	processed	0.16
Host MWEBV	processed	0.04
Global aperture construction	processed	0.66
Global aperture photometry	processed	6.11
Validate global photometry	processed	17.54
Global host SED inference	processed	515.33
Local aperture photometry	processed	6.82
Validate local photometry	processed	0.03
Local host SED inference	not enough filters	17.34

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) = 16h48m27.83s, 17d38m24.92s
semi major axis, semi minor axis (arcsec) = 0.99, 0.99
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	9.01	0.59	21.513	0.071	AB

Aperture details

RA, DEC (J2000) = 16h48m27.90s, 17d38m26.63s
semi major axis, semi minor axis (arcsec) = 6.39, 4.48
angle (degrees, anti-clockwise from east) = -172.12

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	10.15	2.51	21.384	0.269	AB
GALEX_NUV	12.59	2.0	21.150	0.172	AB
SDSS_u	34.66	3.9	20.050	0.122	AB
SDSS_g	53.09	2.42	19.587	0.049	AB
DES_g	54.49	0.45	19.559	0.009	AB
PanSTARRS_g	57.81	1.03	19.495	0.019	AB
SDSS_r	73.68	3.29	19.232	0.049	AB
PanSTARRS_r	83.27	1.48	19.099	0.019	AB
DES_r	81.78	0.84	19.118	0.011	AB
SDSS_i	105.69	4.92	18.840	0.050	AB
PanSTARRS_i	103.52	1.57	18.862	0.016	AB
PanSTARRS_z	101.26	3.67	18.886	0.039	AB
SDSS_z	141.55	16.38	18.523	0.126	AB
DES_z	111.07	2.41	18.786	0.024	AB
PanSTARRS_y	58.0	10.94	19.491	0.205	AB
2MASS_J	-8.66	136.46			Vega
2MASS_H	165.27	232.29	16.987	1.526	Vega
2MASS_K	350.58	258.33	15.700	0.800	Vega
WISE_W1	64.86	11.68	16.671	0.196	Vega
WISE_W2	41.05	14.23	16.528	0.376	Vega
WISE_W3	79.91	76.68	13.970	1.042	Vega
WISE_W4	-114.63	430.27			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

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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})\,	9.412	9.544	9.659
{\rm log}_{10}({\rm SFR})	-0.448	-0.076	0.274
{\rm log}_{10}({\rm sSFR})	-9.989	-9.604	-9.259
{\rm stellar\ age}	4.462	5.878	7.145

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.701	-1.357	-0.925
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.515	-0.975	-0.119

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.057	0.152	0.304
\delta	-0.708	-0.255	0.152
\tau_1/\tau_2	0.488	0.820	1.174
Q_{PAH}	1.985	3.982	5.762
U_{min}	3.416	8.690	15.222
{\rm log}_{10}(\gamma_e)\,	-2.723	-1.621	-0.450

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.162	-1.391	-0.742
{\rm log}_{10}(\tau_{AGN})\,	1.098	1.490	1.882

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.757	-0.478	-0.279
0.03-0.10 Gyr	-0.400	0.024	0.407
0.10-0.32 Gyr	-0.256	0.071	0.334
0.32-1.05 Gyr	-0.738	-0.321	-0.037
1.05-3.42 Gyr	-0.713	-0.392	-0.171
3.42-11.09 Gyr	-0.746	-0.422	-0.212
11.09-12.32 Gyr	-0.930	-0.357	0.145