2026isc results

Information

Transient
Name:AT2026isc
Right ascension: 16h35m35.01s
Declination:26d38m38.87s
Discovery Date:April 7, 2026, 4:29 a.m.
Classification:None
Redshift:None
MW E(B-V):0.051
Host
Name:SDSSJ163535.23+26383
Right ascension: 16h35m35.28s
Declination:26d38m32.93s
Redshift:None
Photometric Redshift:0.058
 

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 19.71
Transient MWEBV processed 0.12
Host match processed 4.78
Host information processed 0.05
Host MWEBV processed 0.05
Global aperture construction processed 0.65
Global aperture photometry processed 6.16
Validate global photometry processed 17.85
Global host SED inference processed 837.09
Local aperture photometry processed 6.32
Validate local photometry processed 0.03
Local host SED inference processed 444.39
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h35m35.01s, 26d38m38.87s
semi major axis, semi minor axis (arcsec):1.79, 1.79
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 3.73 1.58 22.469 0.459 AB
SDSS_g 5.25 0.75 22.100 0.156 AB
DES_g 4.76 0.16 22.207 0.037 AB
PanSTARRS_g 5.67 0.38 22.016 0.072 AB
SDSS_r 6.61 0.98 21.850 0.161 AB
PanSTARRS_r 8.38 0.49 21.592 0.064 AB
DES_r 7.88 0.33 21.659 0.045 AB
SDSS_i 8.94 1.48 21.522 0.180 AB
PanSTARRS_i 9.48 0.66 21.458 0.076 AB
PanSTARRS_z 9.89 1.25 21.412 0.137 AB
SDSS_z 11.02 4.61 21.295 0.454 AB
DES_z 11.17 0.85 21.280 0.082 AB
PanSTARRS_y 15.59 2.97 20.918 0.207 AB

Aperture details

RA, DEC (J2000):16h35m35.22s, 26d38m32.75s
semi major axis, semi minor axis (arcsec):9.58, 6.8
angle (degrees, anti-clockwise from east):-129.14
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.87 3.28 20.832 0.211 AB
GALEX_NUV 17.33 1.75 20.803 0.110 AB
SDSS_u 89.42 7.11 19.021 0.086 AB
SDSS_g 178.13 4.06 18.273 0.025 AB
DES_g 182.16 0.86 18.249 0.005 AB
PanSTARRS_g 184.07 1.7 18.238 0.010 AB
SDSS_r 272.6 5.36 17.811 0.021 AB
PanSTARRS_r 302.87 2.22 17.697 0.008 AB
DES_r 311.77 1.86 17.665 0.006 AB
SDSS_i 370.44 7.54 17.478 0.022 AB
PanSTARRS_i 373.58 2.95 17.469 0.009 AB
PanSTARRS_z 423.84 5.6 17.332 0.014 AB
SDSS_z 541.39 21.15 17.066 0.042 AB
DES_z 447.06 4.81 17.274 0.012 AB
PanSTARRS_y 500.58 13.34 17.151 0.029 AB
2MASS_J 432.22 191.99 16.416 0.482 Vega
2MASS_H 925.38 328.32 15.117 0.385 Vega
2MASS_K 124.33 275.09 16.826 2.402 Vega
WISE_W1 187.28 12.36 15.520 0.072 Vega
WISE_W2 100.87 18.86 15.552 0.203 Vega
WISE_W3 353.15 83.24 12.356 0.256 Vega
WISE_W4 -313.27 381.59 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.774 8.012 8.186
{\rm log}_{10}({\rm SFR}) -2.255 -1.511 -0.785
{\rm log}_{10}({\rm sSFR}) -10.342 -9.566 -8.627
{\rm stellar\ age} 0.785 5.028 7.094

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.579 -0.939 -0.235
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.409 -0.306 0.250

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.283 0.779 1.419
\delta -0.293 0.039 0.283
\tau_1/\tau_2 0.671 1.063 1.453
Q_{PAH} 0.971 2.694 5.182
U_{min} 2.905 8.355 15.832
{\rm log}_{10}(\gamma_e)\, -2.813 -1.752 -0.713

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.198 -0.271 0.207
{\rm log}_{10}(\tau_{AGN})\, 1.203 1.503 1.870

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.512 -1.787 -1.196
0.03-0.10 Gyr -2.398 -1.528 -0.674
0.10-0.33 Gyr -2.369 -1.623 -0.947
0.33-1.08 Gyr -3.194 -1.866 -1.347
1.08-3.55 Gyr -3.872 -1.972 -1.637
3.55-11.69 Gyr -4.404 -2.128 -1.746
11.69-12.99 Gyr -4.265 -2.199 -1.535

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.776 9.856 9.972
{\rm log}_{10}({\rm SFR}) -0.521 -0.104 0.346
{\rm log}_{10}({\rm sSFR}) -10.353 -9.928 -9.526
{\rm stellar\ age} 7.591 9.692 12.147

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.838 -1.596 -1.266
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.194 0.363 0.457

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.206 0.292
\delta -0.887 -0.666 -0.385
\tau_1/\tau_2 0.492 0.982 1.481
Q_{PAH} 0.245 0.894 2.101
U_{min} 3.377 9.405 17.376
{\rm log}_{10}(\gamma_e)\, -2.843 -1.915 -0.908

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.390 -3.273 -2.215
{\rm log}_{10}(\tau_{AGN})\, 1.162 1.646 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.206 -1.734 -1.049
0.03-0.10 Gyr -0.376 0.050 0.508
0.10-0.33 Gyr -3.878 -1.887 -0.421
0.33-1.08 Gyr -5.836 -2.546 -0.830
1.08-3.55 Gyr -4.343 -1.911 -0.622
3.55-11.69 Gyr -1.938 -0.180 0.076
11.69-12.99 Gyr -0.286 0.702 1.101