2025ahos results

Information

Transient
Name:SN2025ahos
Right ascension: 15h44m51.61s
Declination:57d40m57.21s
Discovery Date:Dec. 19, 2025, 12:05 p.m.
Classification:SN Ia
Redshift:0.065000
MW E(B-V):0.011
Host
Name:2569827
Right ascension: 15h44m51.60s
Declination:57d40m56.24s
Redshift:None
Photometric Redshift:0.075
 

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_z
 DES_r
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 0.94
Transient MWEBV processed 0.07
Host match processed 6.07
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.13
Global aperture photometry processed 1.46
Validate global photometry processed 2.29
Global host SED inference processed 432.19
Local aperture photometry processed 1.23
Validate local photometry processed 0.03
Local host SED inference processed 427.58
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h44m51.61s, 57d40m57.21s
semi major axis, semi minor axis (arcsec):1.6, 1.6
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 15.28 1.41 20.939 0.100 AB
SDSS_g 45.71 1.89 19.750 0.045 AB
DES_g 42.12 0.78 19.839 0.020 AB
PanSTARRS_g 50.77 0.69 19.636 0.015 AB
SDSS_r 83.9 2.65 19.091 0.034 AB
PanSTARRS_r 78.42 1.01 19.164 0.014 AB
SDSS_i 119.6 3.37 18.706 0.031 AB
PanSTARRS_i 116.86 1.0 18.731 0.009 AB
PanSTARRS_z 140.27 1.48 18.533 0.011 AB
SDSS_z 136.61 5.83 18.561 0.046 AB
DES_z 145.63 1.99 18.492 0.015 AB
PanSTARRS_y 152.34 3.38 18.443 0.024 AB

Aperture details

RA, DEC (J2000):15h44m51.53s, 57d40m56.63s
semi major axis, semi minor axis (arcsec):11.26, 4.18
angle (degrees, anti-clockwise from east):-92.72
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 15.23 3.08 20.943 0.219 AB
GALEX_NUV 37.3 2.94 19.971 0.086 AB
SDSS_u 75.4 4.88 19.207 0.070 AB
SDSS_g 239.16 4.95 17.953 0.022 AB
DES_g 236.33 2.12 17.966 0.010 AB
PanSTARRS_g 269.45 2.49 17.824 0.010 AB
SDSS_r 412.17 7.01 17.362 0.018 AB
PanSTARRS_r 404.44 3.84 17.383 0.010 AB
SDSS_i 565.02 9.45 17.020 0.018 AB
PanSTARRS_z 655.95 5.45 16.858 0.009 AB
SDSS_z 599.83 22.6 16.955 0.041 AB
DES_z 729.45 4.9 16.743 0.007 AB
PanSTARRS_y 690.87 13.75 16.802 0.022 AB
2MASS_J 963.71 166.86 15.545 0.188 Vega
2MASS_H 917.9 223.76 15.125 0.265 Vega
2MASS_K 1097.16 303.32 14.462 0.300 Vega
WISE_W1 634.69 13.64 14.195 0.023 Vega
WISE_W2 456.14 16.89 13.913 0.040 Vega
WISE_W3 1471.39 44.0 10.807 0.032 Vega
WISE_W4 1249.37 368.53 9.538 0.320 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.342 9.480 9.620
{\rm log}_{10}({\rm SFR}) -1.544 -0.891 -0.370
{\rm log}_{10}({\rm sSFR}) -11.055 -10.425 -9.848
{\rm stellar\ age} 5.746 7.457 9.637

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.633 -1.036 -0.555
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.667 -0.793 0.109

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.433 0.810 1.116
\delta -0.419 -0.118 0.238
\tau_1/\tau_2 0.643 0.995 1.347
Q_{PAH} 0.959 2.934 5.294
U_{min} 3.064 8.249 15.017
{\rm log}_{10}(\gamma_e)\, -3.083 -1.955 -0.938

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.107 -1.265 -0.408
{\rm log}_{10}(\tau_{AGN})\, 1.013 1.457 1.971

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.650 -1.070 -0.689
0.03-0.10 Gyr -1.748 -0.883 -0.259
0.10-0.33 Gyr -1.884 -0.911 -0.340
0.33-1.08 Gyr -2.104 -0.940 -0.420
1.08-3.54 Gyr -1.777 -0.722 -0.362
3.54-11.60 Gyr -0.917 -0.443 -0.233
11.60-12.89 Gyr -0.973 -0.278 0.426

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.043 10.133 10.235
{\rm log}_{10}({\rm SFR}) -0.230 0.122 0.418
{\rm log}_{10}({\rm sSFR}) -10.368 -10.005 -9.695
{\rm stellar\ age} 6.244 7.247 8.900

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.373 -0.926 -0.590
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.915 -1.483 0.044

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.494 0.731 0.953
\delta 0.040 0.234 0.349
\tau_1/\tau_2 0.579 0.910 1.246
Q_{PAH} 0.491 1.216 2.459
U_{min} 2.459 7.001 13.978
{\rm log}_{10}(\gamma_e)\, -3.495 -2.823 -1.932

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.959 -1.676 -1.461
{\rm log}_{10}(\tau_{AGN})\, 0.799 1.013 1.372

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.824 -0.443 -0.040
0.03-0.10 Gyr -0.208 0.236 0.559
0.10-0.33 Gyr -0.330 0.153 0.489
0.33-1.08 Gyr -0.847 -0.183 0.116
1.08-3.54 Gyr -0.544 0.011 0.310
3.54-11.60 Gyr -0.076 0.245 0.409
11.60-12.89 Gyr -0.325 0.327 0.952