2025sva

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Information

Transient

Name: AT2025sva
Right ascension: 15h00m16.06s
Declination: 56d02m10.99s
Discovery Date: July 25, 2025, 9:28 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.011

Host

Name:
Right ascension: 15h00m16.13s
Declination: 56d02m09.10s
Redshift: None
Photometric Redshift: 0.161

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	8.81
Cutout download	processed	20.58
Global aperture construction	processed	0.66
Local aperture photometry	processed	5.22
Global aperture photometry	processed	4.47
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	14.29
Host information	processed	0.15
Global host SED inference	processed	394.79
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.07
Host MWEBV	processed	0.04
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) = 15h00m16.06s, 56d02m10.99s
semi major axis, semi minor axis (arcsec) = 0.72, 0.72
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) = 15h00m16.13s, 56d02m09.28s
semi major axis, semi minor axis (arcsec) = 5.06, 3.59
angle (degrees, anti-clockwise from east) = -33.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	5.63	2.36	22.024	0.455	AB
GALEX_NUV	11.43	2.35	21.254	0.223	AB
SDSS_u	26.1	3.73	20.359	0.155	AB
SDSS_g	105.84	2.89	18.838	0.030	AB
PanSTARRS_g	114.47	0.85	18.753	0.008	AB
PanSTARRS_r	200.22	1.3	18.146	0.007	AB
SDSS_i	274.35	5.07	17.804	0.020	AB
PanSTARRS_i	283.77	1.63	17.768	0.006	AB
PanSTARRS_z	315.27	2.39	17.653	0.008	AB
SDSS_z	320.43	16.08	17.636	0.054	AB
PanSTARRS_y	374.36	6.52	17.467	0.019	AB
2MASS_J	464.12	110.51	16.339	0.259	Vega
2MASS_H	536.32	150.8	15.709	0.305	Vega
2MASS_K	672.78	180.68	14.993	0.292	Vega
WISE_W1	232.61	8.43	15.284	0.039	Vega
WISE_W2	190.46	10.18	14.862	0.058	Vega
WISE_W3	888.77	40.09	11.354	0.049	Vega
WISE_W4	1082.23	294.6	9.694	0.296	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})\,	10.342	10.415	10.486
{\rm log}_{10}({\rm SFR})	0.071	0.428	0.761
{\rm log}_{10}({\rm sSFR})	-10.367	-9.972	-9.620
{\rm stellar\ age}	4.473	5.591	6.521

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.978	-0.625	-0.389
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.649	0.202	0.387

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.240	0.348	0.520
\delta	-0.840	-0.594	-0.297
\tau_1/\tau_2	0.677	0.989	1.309
Q_{PAH}	0.804	1.941	3.625
U_{min}	2.400	7.125	14.272
{\rm log}_{10}(\gamma_e)\,	-3.190	-2.376	-1.428

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.011	-2.529	-1.597
{\rm log}_{10}(\tau_{AGN})\,	0.995	1.391	1.821

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	0.085	0.343	0.556
0.03-0.10 Gyr	-0.022	0.453	0.862
0.10-0.32 Gyr	0.255	0.655	0.952
0.32-1.03 Gyr	0.371	0.661	0.917
1.03-3.29 Gyr	0.331	0.572	0.784
3.29-10.56 Gyr	0.265	0.510	0.655
10.56-11.73 Gyr	-0.014	0.504	0.900