2026dmh results

Information

Transient
Name:SN2026dmh
Right ascension: 12h55m15.50s
Declination:0d14m26.65s
Discovery Date:Feb. 16, 2026, 12:11 p.m.
Classification:SN Ia-91bg-like
Redshift:0.047626
MW E(B-V):0.018
Host
Name:J125516.58+001448.85
Right ascension: 12h55m16.58s
Declination:0d14m48.85s
Redshift:0.047626
Photometric Redshift:None
 

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 18.85
Transient MWEBV processed 0.1
Host match processed 6.03
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 6.95
Validate global photometry processed 19.8
Global host SED inference processed 414.13
Local aperture photometry processed 6.68
Validate local photometry processed 0.03
Local host SED inference processed 462.95
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h55m15.50s, 0d14m26.65s
semi major axis, semi minor axis (arcsec):2.14, 2.14
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 3.6 1.47 22.510 0.444 AB
SDSS_g 0.62 0.72 24.425 1.268 AB
DES_g 2.16 0.18 23.063 0.090 AB
PanSTARRS_g 2.34 0.47 22.976 0.219 AB
SDSS_r 3.73 1.1 22.471 0.321 AB
PanSTARRS_r 3.43 0.54 22.562 0.169 AB
DES_r 4.65 0.42 22.232 0.099 AB
SDSS_i 5.59 1.74 22.032 0.338 AB
PanSTARRS_i 5.8 0.54 21.991 0.100 AB
PanSTARRS_z 7.73 1.3 21.679 0.182 AB
SDSS_z 28.66 7.12 20.257 0.270 AB
DES_z 9.32 1.54 21.477 0.180 AB
PanSTARRS_y 4.79 2.69 22.200 0.610 AB

Aperture details

RA, DEC (J2000):12h55m16.56s, 0d14m49.17s
semi major axis, semi minor axis (arcsec):15.41, 11.98
angle (degrees, anti-clockwise from east):-92.24
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.07 0.45 21.776 0.069 AB
GALEX_NUV 20.19 0.39 20.637 0.021 AB
SDSS_u 517.26 10.42 17.116 0.022 AB
SDSS_g 2524.05 13.54 15.395 0.006 AB
DES_g 2748.99 3.39 15.302 0.001 AB
PanSTARRS_g 2776.19 3.12 15.291 0.001 AB
SDSS_r 5574.99 20.26 14.534 0.004 AB
PanSTARRS_r 5571.55 3.71 14.535 0.001 AB
DES_r 6090.83 9.81 14.438 0.002 AB
SDSS_i 8138.93 25.4 14.124 0.003 AB
PanSTARRS_i 7834.5 3.81 14.165 0.001 AB
PanSTARRS_z 10250.16 8.56 13.873 0.001 AB
SDSS_z 11103.27 51.87 13.786 0.005 AB
DES_z 11018.17 38.71 13.795 0.004 AB
PanSTARRS_y 12482.5 17.05 13.659 0.001 AB
2MASS_J 15220.24 394.69 12.549 0.028 Vega
2MASS_H 19643.71 566.9 11.799 0.031 Vega
2MASS_K 16076.92 675.17 11.547 0.046 Vega
WISE_W1 7087.39 60.59 11.575 0.009 Vega
WISE_W2 3971.36 61.06 11.564 0.017 Vega
WISE_W3 875.06 160.14 11.371 0.199 Vega
WISE_W4 951.03 855.95 9.835 0.977 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.595 7.982 8.173
{\rm log}_{10}({\rm SFR}) -1.867 -1.326 -0.888
{\rm log}_{10}({\rm sSFR}) -9.938 -9.303 -8.503
{\rm stellar\ age} 1.710 6.044 7.772

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.657 -0.183 0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.407 -0.643 -0.050

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.246 1.734 2.275
\delta -0.040 0.175 0.324
\tau_1/\tau_2 0.745 1.100 1.488
Q_{PAH} 0.641 2.164 4.652
U_{min} 2.648 7.931 14.996
{\rm log}_{10}(\gamma_e)\, -2.964 -1.904 -0.786

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.420 -0.643 0.111
{\rm log}_{10}(\tau_{AGN})\, 1.091 1.487 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.958 -1.285 -0.753
0.03-0.10 Gyr -2.390 -1.557 -0.945
0.10-0.33 Gyr -3.138 -1.990 -1.362
0.33-1.09 Gyr -3.953 -2.077 -1.538
1.09-3.58 Gyr -4.667 -2.117 -1.670
3.58-11.81 Gyr -5.056 -2.126 -1.667
11.81-13.12 Gyr -5.191 -2.202 -1.424
0.33-1.09 Gyr -3.713 -2.163 -1.636
1.09-3.58 Gyr -3.679 -2.091 -1.716
3.58-11.81 Gyr -3.978 -2.093 -1.716
11.81-13.12 Gyr -4.064 -2.109 -1.461

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.127 11.212 11.232
{\rm log}_{10}({\rm SFR}) -2.459 -1.770 -1.285
{\rm log}_{10}({\rm sSFR}) -13.627 -12.971 -12.456
{\rm stellar\ age} 9.516 12.327 12.457

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.502 -0.404 -0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.460 -0.619 0.124

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.064 0.109 0.166
\delta -0.775 -0.482 -0.163
\tau_1/\tau_2 0.523 0.913 1.326
Q_{PAH} 0.357 1.200 2.532
U_{min} 3.398 9.164 16.677
{\rm log}_{10}(\gamma_e)\, -1.751 -1.222 -0.635

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.583 -3.861 -2.944
{\rm log}_{10}(\tau_{AGN})\, 1.149 1.661 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.076 -1.877 -1.382
0.03-0.10 Gyr -2.982 -1.844 -1.217
0.10-0.33 Gyr -3.668 -1.993 -1.230
0.33-1.09 Gyr -3.983 -2.140 -1.127
1.09-3.58 Gyr -3.228 -1.636 -0.553
3.58-11.81 Gyr -1.711 -0.160 1.246
11.81-13.12 Gyr 1.825 2.338 2.368
0.33-1.09 Gyr -4.048 -2.145 -1.142
1.09-3.58 Gyr -3.218 -1.631 -0.531
3.58-11.81 Gyr -1.662 -0.124 1.240
11.81-13.12 Gyr 1.838 2.337 2.366