2025xac results

Information

Transient
Name:SN2025xac
Right ascension: 8h50m34.38s
Declination:28d26m43.87s
Discovery Date:Aug. 31, 2025, 12:26 p.m.
Classification:SN Ia
Redshift:0.050000
MW E(B-V):0.036
Host
Name:1835952_1
Right ascension: 8h50m34.32s
Declination:28d26m44.27s
Redshift:None
Photometric Redshift:0.049
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.18
Transient MWEBV processed 0.03
Host match processed 4.32
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.6
Global aperture photometry processed 6.47
Validate global photometry processed 19.28
Global host SED inference processed 388.2
Local aperture photometry processed 6.5
Validate local photometry processed 0.03
Local host SED inference processed 448.24
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h50m34.38s, 28d26m43.87s
semi major axis, semi minor axis (arcsec):2.05, 2.05
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 35.02 2.11 20.039 0.065 AB
SDSS_g 108.03 2.75 18.816 0.028 AB
DES_g 106.76 0.56 18.829 0.006 AB
PanSTARRS_g 99.64 0.57 18.904 0.006 AB
SDSS_r 151.67 3.3 18.448 0.024 AB
PanSTARRS_r 151.8 0.69 18.447 0.005 AB
DES_r 170.95 1.26 18.318 0.008 AB
SDSS_i 198.11 3.92 18.158 0.021 AB
PanSTARRS_i 180.02 0.74 18.262 0.004 AB
PanSTARRS_z 209.38 1.48 18.098 0.008 AB
SDSS_z 229.69 6.47 17.997 0.031 AB
DES_z 237.53 2.72 17.961 0.012 AB
PanSTARRS_y 241.39 3.53 17.943 0.016 AB

Aperture details

RA, DEC (J2000):8h50m34.27s, 28d26m44.40s
semi major axis, semi minor axis (arcsec):17.51, 4.08
angle (degrees, anti-clockwise from east):-89.78
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 58.74 1.98 19.478 0.037 AB
GALEX_NUV 74.96 1.42 19.213 0.021 AB
SDSS_u 99.45 6.87 18.906 0.075 AB
SDSS_g 390.9 5.6 17.420 0.016 AB
DES_g 386.64 1.17 17.432 0.003 AB
PanSTARRS_g 368.98 2.22 17.482 0.007 AB
SDSS_r 522.99 6.87 17.104 0.014 AB
PanSTARRS_r 524.96 2.65 17.100 0.005 AB
DES_r 566.84 2.53 17.016 0.005 AB
SDSS_i 629.04 8.9 16.903 0.015 AB
PanSTARRS_i 629.08 2.91 16.903 0.005 AB
PanSTARRS_z 647.78 5.91 16.871 0.010 AB
SDSS_z 670.49 22.54 16.834 0.036 AB
DES_z 724.12 5.23 16.750 0.008 AB
PanSTARRS_y 858.25 14.37 16.566 0.018 AB
2MASS_J 811.23 161.83 15.732 0.217 Vega
2MASS_H 1002.97 253.41 15.029 0.274 Vega
2MASS_K 1438.39 292.22 14.168 0.221 Vega
WISE_W1 365.27 19.56 14.794 0.058 Vega
WISE_W2 190.72 26.69 14.860 0.152 Vega
WISE_W3 40.65 123.67 14.703 3.303 Vega
WISE_W4 2205.14 698.04 8.921 0.344 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.965 9.115 9.276
{\rm log}_{10}({\rm SFR}) -0.841 -0.416 0.029
{\rm log}_{10}({\rm sSFR}) -10.061 -9.572 -9.048
{\rm stellar\ age} 2.841 5.320 7.103

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.433 -0.702 -0.248
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.753 -0.722 0.194

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.247 0.498 0.872
\delta -0.754 -0.297 -0.013
\tau_1/\tau_2 0.802 1.151 1.518
Q_{PAH} 0.764 2.879 5.378
U_{min} 2.760 7.607 14.308
{\rm log}_{10}(\gamma_e)\, -3.391 -2.431 -1.108

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.017 -2.587 -0.990
{\rm log}_{10}(\tau_{AGN})\, 0.963 1.469 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.823 -0.582 -0.301
0.03-0.10 Gyr -0.954 -0.361 0.139
0.10-0.33 Gyr -0.996 -0.432 -0.014
0.33-1.09 Gyr -1.269 -0.673 -0.340
1.09-3.58 Gyr -1.265 -0.769 -0.521
3.58-11.79 Gyr -1.421 -0.880 -0.580
11.79-13.09 Gyr -1.682 -0.895 -0.331
0.33-1.09 Gyr -1.192 -0.643 -0.307
1.09-3.58 Gyr -1.283 -0.769 -0.507
3.58-11.78 Gyr -1.618 -0.954 -0.635
11.78-13.09 Gyr -1.822 -0.983 -0.432

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.633 9.708 9.794
{\rm log}_{10}({\rm SFR}) -0.447 -0.278 -0.107
{\rm log}_{10}({\rm sSFR}) -10.149 -9.973 -9.817
{\rm stellar\ age} 5.885 6.850 7.886

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.314 -0.927 -0.704
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.075 -0.009 0.065

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.106 0.209 0.361
\delta -0.124 0.165 0.323
\tau_1/\tau_2 0.714 1.028 1.368
Q_{PAH} 0.323 1.193 2.948
U_{min} 2.921 7.700 14.282
{\rm log}_{10}(\gamma_e)\, -2.757 -1.775 -0.946

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.421 -3.617 -2.723
{\rm log}_{10}(\tau_{AGN})\, 1.006 1.489 1.901

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.461 -0.347 -0.250
0.03-0.10 Gyr -0.483 -0.242 -0.027
0.10-0.33 Gyr -0.478 -0.212 0.020
0.33-1.09 Gyr -0.440 -0.176 0.024
1.09-3.58 Gyr -0.523 -0.289 -0.091
3.58-11.79 Gyr -0.535 -0.320 -0.156
11.79-13.09 Gyr -0.676 -0.261 0.103
0.33-1.09 Gyr -0.479 -0.228 -0.027
1.09-3.58 Gyr -0.472 -0.247 -0.071
3.58-11.78 Gyr -0.370 -0.200 -0.070
11.78-13.09 Gyr -0.493 -0.109 0.294