2025acxh

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Information

Transient

Name: SN2025acxh
Right ascension: 8h38m37.92s
Declination: 6d17m49.62s
Discovery Date: Nov. 8, 2025, 11:56 a.m.
Classification: SN Ia
Redshift: 0.046485
MW E(B-V): 0.032

Host

Name: 08383828+0617465
Right ascension: 8h38m38.28s
Declination: 6d17m46.55s
Redshift: 0.046262
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 18.22
Transient MWEBV processed 0.06
Host match processed 4.09
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 7.41
Validate global photometry processed 18.63
Global host SED inference processed 394.26
Local aperture photometry processed 7.2
Validate local photometry processed 0.03
Local host SED inference processed 448.25
 

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) = 8h38m37.92s, 6d17m49.62s
semi major axis, semi minor axis (arcsec) = 2.2, 2.2
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 24.01 2.08 20.449 0.094 AB
SDSS_g 57.57 2.11 19.499 0.040 AB
DES_g 60.27 0.46 19.450 0.008 AB
PanSTARRS_g 61.5 0.48 19.428 0.008 AB
SDSS_r 88.78 2.61 19.029 0.032 AB
PanSTARRS_r 89.64 0.53 19.019 0.006 AB
DES_r 98.78 0.75 18.913 0.008 AB
SDSS_i 113.4 3.27 18.763 0.031 AB
PanSTARRS_i 116.97 0.73 18.730 0.007 AB
PanSTARRS_z 137.54 1.84 18.554 0.015 AB
SDSS_z 145.68 6.23 18.491 0.046 AB
DES_z 142.21 2.44 18.518 0.019 AB
PanSTARRS_y 160.26 4.39 18.388 0.030 AB

Aperture details

RA, DEC (J2000) = 8h38m38.25s, 6d17m48.64s
semi major axis, semi minor axis (arcsec) = 19.46, 18.15
angle (degrees, anti-clockwise from east) = -108.79

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 141.95 2.62 18.520 0.020 AB
GALEX_NUV 205.0 1.92 18.121 0.010 AB
SDSS_u 594.52 15.85 16.965 0.029 AB
SDSS_r 2091.35 14.38 15.599 0.007 AB
DES_r 2359.01 4.13 15.468 0.002 AB
SDSS_i 2713.03 20.41 15.316 0.008 AB
PanSTARRS_i 2632.37 6.12 15.349 0.003 AB
PanSTARRS_z 2931.8 15.95 15.232 0.006 AB
SDSS_z 3305.1 48.82 15.102 0.016 AB
2MASS_H 5642.04 664.41 13.154 0.128 Vega
WISE_W1 2016.66 38.81 12.939 0.021 Vega
WISE_W2 1215.06 52.4 12.850 0.047 Vega
WISE_W3 4668.81 234.01 9.553 0.054 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})\, 8.789 8.982 9.118
{\rm log}_{10}({\rm SFR}) -1.431 -0.738 -0.134
{\rm log}_{10}({\rm sSFR}) -10.461 -9.692 -8.966
{\rm stellar\ age} 3.280 6.330 7.865

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.507 -0.795 -0.350
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.635 -0.792 0.088

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.227 0.642 1.048
\delta -0.552 -0.143 0.169
\tau_1/\tau_2 0.718 1.076 1.436
Q_{PAH} 0.731 2.361 4.541
U_{min} 3.113 8.140 15.783
{\rm log}_{10}(\gamma_e)\, -3.214 -2.037 -0.731

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.522 -1.379 -0.399
{\rm log}_{10}(\tau_{AGN})\, 1.034 1.532 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.705 -1.111 -0.703
0.03-0.10 Gyr -1.493 -0.679 -0.002
0.10-0.33 Gyr -1.620 -0.795 -0.276
0.33-1.09 Gyr -1.978 -1.025 -0.629
1.09-3.59 Gyr -1.783 -1.013 -0.719
3.59-11.82 Gyr -1.940 -1.012 -0.757
11.82-13.14 Gyr -1.974 -1.020 -0.421

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.056 10.140 10.213
{\rm log}_{10}({\rm SFR}) 0.374 0.582 0.793
{\rm log}_{10}({\rm sSFR}) -9.787 -9.568 -9.330
{\rm stellar\ age} 4.413 5.781 6.985

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.380 -0.232 -0.092
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.479 -0.060 0.314

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.144 0.195 0.298
\delta -0.905 -0.729 -0.493
\tau_1/\tau_2 0.636 0.984 1.324
Q_{PAH} 0.384 0.859 1.508
U_{min} 2.547 6.843 13.354
{\rm log}_{10}(\gamma_e)\, -3.226 -2.335 -1.734

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.477 -3.655 -2.665
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.560 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.217 0.334 0.441
0.03-0.10 Gyr 0.394 0.662 0.909
0.10-0.33 Gyr 0.382 0.659 0.887
0.33-1.09 Gyr 0.101 0.428 0.659
1.09-3.59 Gyr -0.002 0.238 0.429
3.59-11.82 Gyr -0.143 0.131 0.302
11.82-13.14 Gyr -0.348 0.148 0.524