2026isd results

Information

Transient
Name:AT2026isd
Right ascension: 10h37m43.20s
Declination:-2d42m02.00s
Discovery Date:March 25, 2026, 11:37 a.m.
Classification:None
Redshift:None
MW E(B-V):0.034
Host
Name:J103743.32-024204.20
Right ascension: 10h37m43.32s
Declination:-2d42m04.20s
Redshift:None
Photometric Redshift:0.097
 

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 17.85
Transient MWEBV processed 0.14
Host match processed 6.22
Host information processed 0.2
Host MWEBV processed 0.06
Global aperture construction processed 0.67
Global aperture photometry processed 6.58
Validate global photometry processed 18.63
Global host SED inference processed 402.87
Local aperture photometry processed 6.33
Validate local photometry processed 0.03
Local host SED inference processed 429.9
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):10h37m43.20s, -2d42m02.00s
semi major axis, semi minor axis (arcsec):1.11, 1.11
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 10.79 0.35 21.317 0.035 AB
PanSTARRS_i 17.79 0.31 20.775 0.019 AB
PanSTARRS_z 19.36 0.59 20.683 0.033 AB
DES_z 18.33 0.94 20.742 0.056 AB
PanSTARRS_y 23.77 1.64 20.460 0.075 AB

Aperture details

RA, DEC (J2000):10h37m43.32s, -2d42m04.11s
semi major axis, semi minor axis (arcsec):5.8, 4.12
angle (degrees, anti-clockwise from east):-3.96
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.67 3.23 21.330 0.329 AB
GALEX_NUV 23.4 2.06 20.477 0.095 AB
SDSS_u 49.1 3.65 19.672 0.081 AB
SDSS_g 160.81 3.57 18.384 0.024 AB
DES_g 168.3 0.75 18.335 0.005 AB
PanSTARRS_g 166.53 1.15 18.346 0.008 AB
SDSS_r 279.39 4.84 17.784 0.019 AB
PanSTARRS_r 265.56 1.24 17.840 0.005 AB
DES_r 298.55 1.78 17.712 0.006 AB
SDSS_i 388.12 6.09 17.428 0.017 AB
PanSTARRS_i 359.29 1.34 17.511 0.004 AB
PanSTARRS_z 435.14 2.56 17.303 0.006 AB
SDSS_z 407.44 14.32 17.375 0.038 AB
DES_z 469.08 4.67 17.222 0.011 AB
PanSTARRS_y 492.45 7.15 17.169 0.016 AB
2MASS_J 730.93 113.3 15.845 0.168 Vega
2MASS_H 718.9 152.67 15.391 0.231 Vega
2MASS_K 991.8 242.85 14.571 0.266 Vega
WISE_W1 307.27 11.84 14.982 0.042 Vega
WISE_W2 191.38 14.37 14.856 0.082 Vega
WISE_W3 795.53 74.61 11.474 0.102 Vega
WISE_W4 1727.15 579.23 9.187 0.364 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.677 8.939 9.151
{\rm log}_{10}({\rm SFR}) -1.064 -0.617 -0.142
{\rm log}_{10}({\rm sSFR}) -10.083 -9.543 -8.826
{\rm stellar\ age} 3.299 6.386 7.914

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.454 -0.821 -0.254
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.328 -0.692 -0.166

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.729 1.170 1.722
\delta -0.321 -0.004 0.239
\tau_1/\tau_2 0.608 0.945 1.308
Q_{PAH} 0.576 2.479 5.330
U_{min} 2.850 7.837 14.470
{\rm log}_{10}(\gamma_e)\, -3.185 -2.138 -0.924

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.242 -0.960 -0.018
{\rm log}_{10}(\tau_{AGN})\, 0.986 1.363 1.956

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.790 -0.429 -0.024
0.03-0.10 Gyr -1.685 -0.860 -0.189
0.10-0.33 Gyr -2.209 -1.243 -0.536
0.33-1.06 Gyr -2.404 -1.336 -0.712
1.06-3.45 Gyr -2.185 -1.181 -0.814
3.45-11.24 Gyr -1.873 -1.010 -0.702
11.24-12.49 Gyr -1.965 -1.035 -0.377

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.135 10.195 10.267
{\rm log}_{10}({\rm SFR}) -0.215 0.142 0.454
{\rm log}_{10}({\rm sSFR}) -10.427 -10.056 -9.741
{\rm stellar\ age} 6.143 6.940 8.095

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.994 -0.664 -0.434
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.514 0.001 0.373

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.162 0.299 0.481
\delta -0.523 -0.152 0.122
\tau_1/\tau_2 0.686 1.022 1.357
Q_{PAH} 0.932 2.260 4.063
U_{min} 2.412 7.571 15.054
{\rm log}_{10}(\gamma_e)\, -2.716 -1.813 -1.086

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.957 -2.470 -1.659
{\rm log}_{10}(\tau_{AGN})\, 1.014 1.442 1.844

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.983 -0.444 -0.215
0.03-0.10 Gyr -0.163 0.263 0.606
0.10-0.33 Gyr 0.051 0.344 0.595
0.33-1.06 Gyr -0.294 0.070 0.297
1.06-3.45 Gyr -0.260 0.112 0.346
3.45-11.24 Gyr 0.132 0.327 0.445
11.24-12.49 Gyr -0.030 0.437 0.930