2025ahvi

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Information

Transient

Name: SN2025ahvi
Right ascension: 9h27m23.42s
Declination: 14d13m01.30s
Discovery Date: Dec. 20, 2025, 3:35 a.m.
Classification: SN Ia
Redshift: 0.078697
MW E(B-V): 0.029

Host

Name:
Right ascension: 9h27m23.38s
Declination: 14d13m06.14s
Redshift: 0.078697
Photometric Redshift:

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	3.09
Transient MWEBV	no transient MWEBV	0.0
Host match	not processed	5.76
Host information	not processed	0.07
Host MWEBV	not processed	0.09
Global aperture construction	not processed	0.63
Global aperture photometry	not processed	9.55
Validate global photometry	not processed	25.03
Global host SED inference	not processed	622.07
Local aperture photometry	not processed	6.07
Validate local photometry	not processed	0.04
Local host SED inference	not processed	438.03

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) = 9h27m23.50s, 14d13m01.43s
semi major axis, semi minor axis (arcsec) = 1.35, 1.35
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	7.95	0.16	21.649	0.022	AB
PanSTARRS_g	5.76	0.3	22.000	0.056	AB
SDSS_r	12.76	1.19	21.135	0.101	AB
PanSTARRS_r	12.69	0.46	21.141	0.040	AB
DES_r	16.06	0.33	20.886	0.022	AB
PanSTARRS_i	18.31	0.59	20.743	0.035	AB
PanSTARRS_z	20.75	1.18	20.608	0.062	AB
SDSS_z	24.24	4.77	20.439	0.214	AB
DES_z	25.08	0.91	20.402	0.039	AB
PanSTARRS_y	15.29	2.62	20.939	0.186	AB

Aperture details

RA, DEC (J2000) = 9h27m23.38s, 14d13m06.47s
semi major axis, semi minor axis (arcsec) = 9.22, 8.99
angle (degrees, anti-clockwise from east) = -130.79

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	16.3	2.82	20.870	0.188	AB
GALEX_NUV	36.16	2.99	20.004	0.090	AB
SDSS_u	69.72	8.56	19.292	0.133	AB
SDSS_g	409.88	6.01	17.368	0.016	AB
DES_g	459.62	1.16	17.244	0.003	AB
PanSTARRS_g	412.42	2.03	17.362	0.005	AB
SDSS_r	804.96	8.96	16.636	0.012	AB
PanSTARRS_r	835.77	3.13	16.595	0.004	AB
DES_r	946.87	2.46	16.459	0.003	AB
PanSTARRS_i	1200.55	3.96	16.202	0.004	AB
PanSTARRS_z	1416.42	7.88	16.022	0.006	AB
SDSS_z	1448.76	32.68	15.998	0.024	AB
DES_z	1582.1	6.98	15.902	0.005	AB
PanSTARRS_y	1680.27	17.51	15.837	0.011	AB
2MASS_J	2041.93	211.83	14.730	0.113	Vega
2MASS_H	2688.01	309.04	13.959	0.125	Vega
2MASS_K	2667.67	333.6	13.497	0.136	Vega
WISE_W1	913.58	22.55	13.799	0.027	Vega
WISE_W2	532.18	28.91	13.746	0.059	Vega
WISE_W3	692.76	124.63	11.625	0.195	Vega
WISE_W4	-526.28	470.42			Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	8.709	8.834	8.964
{\rm log}_{10}({\rm SFR})	-2.086	-1.450	-0.891
{\rm log}_{10}({\rm sSFR})	-10.939	-10.306	-9.703
{\rm stellar\ age}	4.960	6.728	8.220

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.696	-1.218	-0.622
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.745	-0.815	0.200

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.404	0.770	1.264
\delta	-0.402	-0.043	0.215
\tau_1/\tau_2	0.660	1.008	1.379
Q_{PAH}	1.071	3.049	5.387
U_{min}	3.199	8.218	15.177
{\rm log}_{10}(\gamma_e)\,	-2.834	-1.637	-0.626

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-1.985	-0.188	0.232
{\rm log}_{10}(\tau_{AGN})\,	1.017	1.478	1.927

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.067	-1.378	-0.861
0.03-0.10 Gyr	-2.367	-1.577	-0.882
0.10-0.33 Gyr	-2.368	-1.505	-0.865
0.33-1.07 Gyr	-2.296	-1.359	-0.805
1.07-3.50 Gyr	-1.834	-1.149	-0.865
3.50-11.45 Gyr	-1.519	-1.090	-0.878
11.45-12.72 Gyr	-1.680	-1.048	-0.493

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.653	10.734	10.781
{\rm log}_{10}({\rm SFR})	-0.381	-0.090	0.208
{\rm log}_{10}({\rm sSFR})	-11.109	-10.795	-10.484
{\rm stellar\ age}	8.366	11.382	11.996

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.751	-0.590	-0.481
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.539	0.160	0.407

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.083	0.139	0.233
\delta	-0.874	-0.614	-0.287
\tau_1/\tau_2	0.662	1.216	1.681
Q_{PAH}	0.291	1.009	2.802
U_{min}	2.855	8.492	15.658
{\rm log}_{10}(\gamma_e)\,	-2.866	-1.690	-1.024

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.616	-3.849	-2.915
{\rm log}_{10}(\tau_{AGN})\,	1.021	1.557	1.932

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.468	-0.132	0.098
0.03-0.10 Gyr	-0.598	-0.085	0.293
0.10-0.33 Gyr	-1.844	-0.416	0.048
0.33-1.07 Gyr	-3.680	-1.080	-0.393
1.07-3.50 Gyr	-3.181	-1.098	-0.306
3.50-11.45 Gyr	-1.207	0.156	0.878
11.45-12.72 Gyr	1.122	1.825	1.921