2025ahoa

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Information

Transient

Name: SN2025ahoa
Right ascension: 15h21m16.88s
Declination: -19d51m24.50s
Discovery Date: Dec. 18, 2025, 1:43 p.m.
Classification: SN Ia
Redshift: 0.023000
MW E(B-V): 0.130

Host

Name:
Right ascension: 15h21m17.24s
Declination: -19d51m22.82s
Redshift: None
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.87
Transient MWEBV processed 0.11
Host match processed 7.59
Host information processed 0.19
Host MWEBV processed 0.07
Global aperture construction processed 0.68
Global aperture photometry processed 4.04
Validate global photometry processed 2.09
Global host SED inference processed 443.82
Local aperture photometry processed 4.09
Validate local photometry processed 0.02
Local host SED inference processed 539.69
 

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) = 15h21m16.88s, -19d51m24.50s
semi major axis, semi minor axis (arcsec) = 4.31, 4.31
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.78 5.5 20.555 0.274 AB
PanSTARRS_g 160.03 1.23 18.390 0.008 AB
PanSTARRS_r 219.38 1.33 18.047 0.007 AB
PanSTARRS_i 248.9 1.98 17.910 0.009 AB
PanSTARRS_z 276.07 3.28 17.797 0.013 AB
PanSTARRS_y 329.27 8.92 17.606 0.029 AB
2MASS_J 337.93 91.38 16.683 0.294 Vega
2MASS_H 592.73 160.58 15.600 0.294 Vega
2MASS_K 214.23 171.31 16.235 0.868 Vega

Aperture details

RA, DEC (J2000) = 15h21m17.16s, -19d51m22.85s
semi major axis, semi minor axis (arcsec) = 14.43, 7.7
angle (degrees, anti-clockwise from east) = -101.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 39.33 10.3 19.913 0.284 AB
GALEX_NUV 85.29 6.81 19.073 0.087 AB
PanSTARRS_g 492.96 2.97 17.168 0.007 AB
PanSTARRS_r 687.51 3.23 16.807 0.005 AB
PanSTARRS_i 829.21 4.84 16.603 0.006 AB
PanSTARRS_z 939.62 8.0 16.468 0.009 AB
PanSTARRS_y 1110.02 21.6 16.287 0.021 AB
2MASS_H 1247.57 405.12 14.792 0.353 Vega
WISE_W2 327.71 30.94 14.272 0.103 Vega
WISE_W3 -17.98 133.43 Vega
WISE_W4 359.93 706.33 10.889 2.131 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})\, 8.155 8.512 8.732
{\rm log}_{10}({\rm SFR}) -1.314 -0.735 -0.244
{\rm log}_{10}({\rm sSFR}) -9.919 -9.269 -8.487
{\rm stellar\ age} 0.828 4.813 7.269

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.593 -0.930 -0.366
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.479 -0.756 0.136

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.098 0.329 0.722
\delta -0.410 0.107 0.316
\tau_1/\tau_2 0.630 1.007 1.409
Q_{PAH} 0.499 1.889 4.111
U_{min} 3.094 8.484 15.973
{\rm log}_{10}(\gamma_e)\, -3.129 -1.760 -0.964

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.108 -2.112 -0.762
{\rm log}_{10}(\tau_{AGN})\, 1.057 1.508 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.515 -1.236 -0.944
0.03-0.10 Gyr -1.318 -0.626 -0.102
0.10-0.33 Gyr -1.586 -0.887 -0.374
0.33-1.10 Gyr -2.495 -1.353 -0.931
1.10-3.65 Gyr -3.210 -1.529 -1.124
3.65-12.10 Gyr -3.771 -1.680 -1.207
12.10-13.45 Gyr -3.792 -1.771 -1.012

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.558 8.944 9.187
{\rm log}_{10}({\rm SFR}) -0.640 -0.204 0.232
{\rm log}_{10}({\rm sSFR}) -9.740 -9.233 -8.335
{\rm stellar\ age} 0.721 5.233 7.330

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.265 -0.734 -0.309
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.799 0.016 0.324

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.175 0.293 0.461
\delta -0.640 -0.217 0.156
\tau_1/\tau_2 0.575 0.994 1.405
Q_{PAH} 0.365 1.333 3.120
U_{min} 2.453 7.343 14.168
{\rm log}_{10}(\gamma_e)\, -3.563 -2.693 -1.642

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.494 -3.763 -2.801
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.561 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.536 -0.993 -0.730
0.03-0.10 Gyr -0.543 -0.067 0.387
0.10-0.33 Gyr -1.163 -0.238 0.129
0.33-1.10 Gyr -2.811 -1.084 -0.600
1.10-3.65 Gyr -3.520 -1.208 -0.792
3.65-12.10 Gyr -3.368 -1.217 -0.761
12.10-13.45 Gyr -3.604 -1.224 -0.470