2026acna results

Information

Transient
Name:SN2026acna
Right ascension: 1h48m51.95s
Declination:10d35m11.40s
Discovery Date:Sept. 20, 2026, 9:37 a.m.
Classification:SN Ia
Redshift:0.017365
MW E(B-V):0.110
Host
Name:J014852.40+103523.42
Object ID:9906625369539514
Catalog Name:decals
Catalog Release:dr9
Right ascension: 1h48m52.40s
Declination:10d35m23.42s
Redshift:None
Photometric Redshift:0.021
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.14
Transient MWEBV processed 0.19
Host match processed 6.69
Host information processed 0.06
Host MWEBV processed 0.18
Host spectrum download processed 0.11
Global aperture construction processed 0.64
Global aperture photometry processed 6.37
Validate global photometry processed 13.27
Global host SED inference processed 330.15
Local aperture photometry processed 6.82
Validate local photometry processed 0.03
Local host SED inference processed 372.88
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.260 9.420 9.526
{\rm log}_{10}({\rm SFR}) -1.704 -0.838 -0.298
{\rm log}_{10}({\rm sSFR}) -11.163 -10.272 -9.614
{\rm stellar\ age} 4.800 7.250 8.611

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.455 -0.824 -0.411
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.330 -0.467 0.160

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.376 0.832 1.189
\delta -0.630 -0.323 -0.003
\tau_1/\tau_2 0.677 0.989 1.296
Q_{PAH} 0.354 1.561 3.886
U_{min} 2.651 7.535 15.230
{\rm log}_{10}(\gamma_e)\, -3.176 -1.948 -0.852

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.364 -2.711 -0.634
{\rm log}_{10}(\tau_{AGN})\, 1.042 1.418 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.785 -0.817 -0.329
0.03-0.10 Gyr -1.879 -0.899 -0.280
0.10-0.33 Gyr -1.839 -0.893 -0.296
0.33-1.10 Gyr -4.657 -1.765 -0.969
1.10-3.67 Gyr -3.440 -1.128 -0.536
3.67-12.18 Gyr -1.497 -0.458 -0.280
12.18-13.54 Gyr -1.393 -0.395 0.574
0.33-1.10 Gyr -1.823 -0.908 -0.420
1.10-3.67 Gyr -1.445 -0.650 -0.348
3.67-12.17 Gyr -1.098 -0.508 -0.303
12.17-13.53 Gyr -1.369 -0.538 0.014

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.511 10.580 10.638
{\rm log}_{10}({\rm SFR}) -1.299 -0.729 -0.342
{\rm log}_{10}({\rm sSFR}) -11.897 -11.307 -10.891
{\rm stellar\ age} 7.239 7.994 9.312

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.448 -0.277 -0.136
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.438 -0.727 0.033

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.273 0.404 0.559
\delta -0.481 -0.161 0.107
\tau_1/\tau_2 0.645 0.967 1.254
Q_{PAH} 1.163 1.979 3.183
U_{min} 2.409 7.278 14.458
{\rm log}_{10}(\gamma_e)\, -3.364 -2.699 -1.926

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.152 -3.195 -2.310
{\rm log}_{10}(\tau_{AGN})\, 0.934 1.372 1.819

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.674 -0.976 -0.500
0.03-0.10 Gyr -1.313 -0.709 -0.271
0.10-0.33 Gyr -0.968 -0.408 -0.008
0.33-1.10 Gyr -0.764 -0.210 0.172
1.10-3.67 Gyr -0.428 0.156 0.501
3.67-12.18 Gyr 0.544 0.714 0.809
12.18-13.54 Gyr 0.133 0.672 1.221
0.33-1.10 Gyr -0.770 -0.176 0.181
1.10-3.67 Gyr -0.420 0.180 0.562
3.67-12.17 Gyr 0.551 0.753 0.855
12.17-13.53 Gyr 0.145 0.701 1.273
 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h48m51.95s, 10d35m11.40s
semi major axis, semi minor axis (arcsec):5.67, 5.67
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 1.78 1.83 23.276 1.121 AB
SDSS_u 73.55 5.31 19.234 0.078 AB
SDSS_g 414.22 5.73 17.357 0.015 AB
DES_g 454.77 1.83 17.256 0.004 AB
PanSTARRS_g 424.33 1.59 17.331 0.004 AB
SDSS_r 944.62 8.68 16.462 0.010 AB
PanSTARRS_r 875.82 2.99 16.544 0.004 AB
DES_r 1039.45 4.32 16.358 0.005 AB
SDSS_i 1447.87 11.19 15.998 0.008 AB
PanSTARRS_i 1323.29 1.89 16.096 0.002 AB
PanSTARRS_z 1634.45 3.82 15.867 0.003 AB
SDSS_z 1948.1 22.48 15.676 0.013 AB
DES_z 1982.56 14.39 15.657 0.008 AB
PanSTARRS_y 2027.33 8.39 15.633 0.004 AB
2MASS_J 2939.18 127.44 14.335 0.047 Vega
2MASS_H 3486.29 184.25 13.676 0.057 Vega
2MASS_K 3244.8 241.0 13.284 0.081 Vega

Aperture details

RA, DEC (J2000):1h48m52.38s, 10d35m23.79s
semi major axis, semi minor axis (arcsec):43.43, 14.01
angle (degrees, anti-clockwise from east):226.32
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 92.84 9.26 18.981 0.108 AB
DES_g 4616.72 5.94 14.739 0.001 AB
PanSTARRS_g 4624.46 6.78 14.737 0.002 AB
PanSTARRS_r 10058.69 12.64 13.894 0.001 AB
DES_r 10827.51 14.23 13.814 0.001 AB
PanSTARRS_i 15330.6 7.8 13.436 0.001 AB
PanSTARRS_z 19786.77 16.29 13.159 0.001 AB
DES_z 22347.9 48.63 13.027 0.002 AB
PanSTARRS_y 25055.39 36.63 12.903 0.002 AB
WISE_W1 18429.08 81.18 10.537 0.005 Vega
WISE_W2 10946.86 87.94 10.463 0.009 Vega
WISE_W3 13869.11 280.63 8.371 0.022 Vega