2025acsy

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Information

Transient

Name: SN2025acsy
Right ascension: 5h26m41.79s
Declination: -22d04m58.72s
Discovery Date: Nov. 7, 2025, 9 a.m.
Classification: SN Ia
Redshift: 0.055945
MW E(B-V): 0.032

Host

Name:
Right ascension: 5h26m41.88s
Declination: -22d05m00.40s
Redshift: None
Photometric Redshift: 0.051

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	5.3
Transient MWEBV	processed	0.05
Host match	processed	5.91
Host information	processed	0.11
Host MWEBV	processed	0.04
Global aperture construction	processed	0.64
Global aperture photometry	failed	3.15
Validate global photometry	not processed	13.53
Global host SED inference	not processed	423.81
Local aperture photometry	failed	0.01
Validate local photometry	not processed	0.02
Local host SED inference	not processed	487.86

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) = 5h26m41.79s, -22d04m58.72s
semi major axis, semi minor axis (arcsec) = 2.01, 2.01
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	117.53	0.42	18.725	0.004	AB
PanSTARRS_g	131.99	0.66	18.599	0.005	AB
PanSTARRS_r	203.92	0.69	18.126	0.004	AB
DES_r	209.09	0.61	18.099	0.003	AB
PanSTARRS_i	259.31	0.68	17.865	0.003	AB
PanSTARRS_z	311.89	1.57	17.665	0.005	AB
DES_z	309.75	2.0	17.672	0.007	AB
PanSTARRS_y	356.67	3.49	17.519	0.011	AB

Aperture details

RA, DEC (J2000) = 5h26m41.85s, -22d05m00.22s
semi major axis, semi minor axis (arcsec) = 14.72, 12.87
angle (degrees, anti-clockwise from east) = -4.49

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
PanSTARRS_i	1951.49	4.45	15.674	0.002	AB
DES_z	2145.35	6.01	15.571	0.003	AB
PanSTARRS_y	2537.52	23.68	15.389	0.010	AB
2MASS_J	3375.6	432.6	14.184	0.139	Vega
2MASS_H	3149.67	575.72	13.787	0.198	Vega
2MASS_K	2418.25	700.85	13.603	0.315	Vega
WISE_W1	1619.22	29.66	13.178	0.020	Vega
WISE_W2	1045.67	32.04	13.013	0.033	Vega
WISE_W3	4494.43	135.62	9.594	0.033	Vega
WISE_W4	4401.05	817.48	8.171	0.202	Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	9.385	9.501	9.612
{\rm log}_{10}({\rm SFR})	-1.889	-1.045	-0.382
{\rm log}_{10}({\rm sSFR})	-11.275	-10.537	-9.890
{\rm stellar\ age}	5.207	7.269	9.299

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.535	-0.978	-0.643
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.775	-0.978	0.113

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.115	0.411	0.767
\delta	-0.553	-0.074	0.272
\tau_1/\tau_2	0.644	1.022	1.382
Q_{PAH}	1.128	3.026	5.424
U_{min}	2.971	8.613	15.877
{\rm log}_{10}(\gamma_e)\,	-3.000	-1.667	-0.528

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.176	-1.156	-0.628
{\rm log}_{10}(\tau_{AGN})\,	1.040	1.520	1.957

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.702	-1.524	-1.036
0.03-0.10 Gyr	-2.035	-0.978	-0.253
0.10-0.33 Gyr	-1.599	-0.738	-0.146
0.33-1.08 Gyr	-1.694	-0.795	-0.297
1.08-3.57 Gyr	-1.605	-0.617	-0.262
3.57-11.77 Gyr	-1.009	-0.428	-0.237
11.77-13.08 Gyr	-1.029	-0.312	0.389

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.020	10.104	10.203
{\rm log}_{10}({\rm SFR})	-0.464	0.109	0.510
{\rm log}_{10}({\rm sSFR})	-10.589	-10.010	-9.526
{\rm stellar\ age}	2.649	4.938	6.492

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.625	-0.325	-0.119
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.489	0.027	0.307

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.149	0.279	0.432
\delta	-0.821	-0.465	0.092
\tau_1/\tau_2	0.532	0.912	1.274
Q_{PAH}	0.740	1.890	4.804
U_{min}	2.189	6.755	13.192
{\rm log}_{10}(\gamma_e)\,	-3.312	-2.451	-1.254

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.927	-2.600	-1.716
{\rm log}_{10}(\tau_{AGN})\,	0.965	1.409	1.874

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.156	0.213	0.526
0.03-0.10 Gyr	-0.974	-0.009	0.539
0.10-0.33 Gyr	-0.651	0.225	0.731
0.33-1.08 Gyr	0.072	0.479	0.716
1.08-3.57 Gyr	0.114	0.440	0.702
3.57-11.77 Gyr	-0.762	-0.006	0.259
11.77-13.08 Gyr	-1.251	-0.110	0.409