2026eha results

Information

Transient
Name:SN2026eha
Right ascension: 12h55m25.28s
Declination:19d13m29.73s
Discovery Date:Feb. 23, 2026, 9:23 a.m.
Classification:SN Ia
Redshift:0.071000
MW E(B-V):0.016
Host
Name:
Right ascension: 12h55m25.29s
Declination:19d13m28.80s
Redshift:None
Photometric Redshift:0.101
 

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 18.51
Transient MWEBV processed 0.08
Host match processed 5.92
Host information processed 0.12
Host MWEBV processed 0.09
Global aperture construction processed 0.61
Global aperture photometry processed 6.4
Validate global photometry processed 18.56
Global host SED inference processed 444.42
Local aperture photometry processed 6.32
Validate local photometry processed 0.03
Local host SED inference processed 469.2
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h55m25.28s, 19d13m29.73s
semi major axis, semi minor axis (arcsec):1.48, 1.48
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 45.41 1.79 19.757 0.043 AB
DES_g 47.22 0.46 19.715 0.010 AB
PanSTARRS_g 46.36 0.35 19.735 0.008 AB
SDSS_r 88.59 2.52 19.032 0.031 AB
PanSTARRS_r 93.17 0.57 18.977 0.007 AB
DES_r 99.3 1.18 18.908 0.013 AB
SDSS_i 127.6 3.13 18.635 0.027 AB
PanSTARRS_i 138.95 0.51 18.543 0.004 AB
PanSTARRS_z 167.92 0.87 18.337 0.006 AB
SDSS_z 158.21 5.09 18.402 0.035 AB
DES_z 176.51 3.19 18.283 0.020 AB
PanSTARRS_y 175.1 1.73 18.292 0.011 AB

Aperture details

RA, DEC (J2000):12h55m25.29s, 19d13m28.93s
semi major axis, semi minor axis (arcsec):5.03, 3.76
angle (degrees, anti-clockwise from east):-104.45
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.87 1.72 22.754 0.651 AB
GALEX_NUV 5.51 2.0 22.048 0.395 AB
SDSS_u 33.67 4.16 20.082 0.134 AB
SDSS_g 101.47 2.88 18.884 0.031 AB
DES_g 107.13 0.75 18.825 0.008 AB
PanSTARRS_g 105.96 0.97 18.837 0.010 AB
SDSS_r 186.86 4.01 18.221 0.023 AB
PanSTARRS_r 194.43 1.53 18.178 0.009 AB
DES_r 216.38 1.83 18.062 0.009 AB
SDSS_i 274.81 5.38 17.802 0.021 AB
PanSTARRS_i 277.49 1.37 17.792 0.005 AB
PanSTARRS_z 328.63 2.4 17.608 0.008 AB
SDSS_z 309.88 12.49 17.672 0.044 AB
DES_z 360.02 4.81 17.509 0.015 AB
PanSTARRS_y 378.75 4.94 17.454 0.014 AB
2MASS_J 426.33 119.19 16.431 0.304 Vega
2MASS_H 492.26 173.38 15.802 0.382 Vega
2MASS_K 623.21 207.17 15.076 0.361 Vega
WISE_W1 208.96 10.51 15.401 0.055 Vega
WISE_W2 135.7 12.98 15.230 0.104 Vega
WISE_W3 388.48 66.8 12.253 0.187 Vega
WISE_W4 666.34 509.13 10.221 0.830 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.612 9.738 9.853
{\rm log}_{10}({\rm SFR}) -2.196 -1.368 -0.725
{\rm log}_{10}({\rm sSFR}) -11.916 -11.071 -10.391
{\rm stellar\ age} 7.130 8.460 11.898

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.692 -1.171 -0.761
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.725 -0.810 0.173

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.398 0.729 1.063
\delta -0.537 -0.117 0.175
\tau_1/\tau_2 0.582 0.959 1.344
Q_{PAH} 0.891 2.731 5.240
U_{min} 2.977 8.444 15.537
{\rm log}_{10}(\gamma_e)\, -3.217 -1.962 -0.765

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.196 -0.983 -0.313
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.466 1.969

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.428 -1.451 -0.933
0.03-0.10 Gyr -2.688 -1.445 -0.636
0.10-0.33 Gyr -3.118 -1.545 -0.726
0.33-1.06 Gyr -1.782 -0.570 0.092
1.06-3.44 Gyr -1.435 -0.393 -0.055
3.44-11.20 Gyr -1.214 -0.300 -0.046
11.20-12.45 Gyr -1.352 -0.320 0.368
0.33-1.07 Gyr -3.605 -1.574 -0.707
1.07-3.52 Gyr -3.463 -1.271 -0.377
3.52-11.53 Gyr -1.407 -0.241 -0.011
11.53-12.82 Gyr -0.512 0.270 0.939

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.817 9.910 10.042
{\rm log}_{10}({\rm SFR}) -2.015 -0.978 -0.392
{\rm log}_{10}({\rm sSFR}) -11.912 -10.868 -10.215
{\rm stellar\ age} 6.982 8.026 11.548

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.299 -0.855 -0.569
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.280 0.136 0.399

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.205 0.346 0.513
\delta -0.812 -0.422 0.022
\tau_1/\tau_2 0.566 0.923 1.313
Q_{PAH} 0.813 2.015 3.795
U_{min} 2.736 8.305 15.618
{\rm log}_{10}(\gamma_e)\, -2.701 -1.733 -0.691

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.945 -2.552 -1.728
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.419 1.846

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.387 -1.131 -0.675
0.03-0.10 Gyr -2.320 -0.992 -0.286
0.10-0.33 Gyr -2.788 -1.017 -0.346
0.33-1.06 Gyr -2.632 -0.710 -0.038
1.06-3.44 Gyr -1.755 -0.263 0.232
3.44-11.20 Gyr -0.390 0.289 0.488
11.20-12.45 Gyr -0.259 0.506 1.343
0.33-1.07 Gyr -3.340 -1.124 -0.469
1.07-3.52 Gyr -2.470 -0.675 -0.136
3.52-11.53 Gyr -0.772 0.005 0.178
11.53-12.82 Gyr -0.367 0.304 1.132