2026cas results

Information

Transient
Name:AT2026cas
Right ascension: 17h49m57.87s
Declination:31d10m15.35s
Discovery Date:Feb. 1, 2026, 1:12 p.m.
Classification:None
Redshift:None
MW E(B-V):0.052
Host
Name:
Right ascension: 17h49m57.95s
Declination:31d10m14.43s
Redshift:None
Photometric Redshift:0.065
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_z
GALEX_NUV
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_g
DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.33
Transient MWEBV processed 0.11
Host match processed 6.43
Host information processed 0.11
Host MWEBV processed 0.11
Global aperture construction processed 2.69
Global aperture photometry processed 4.5
Validate global photometry processed 12.06
Global host SED inference processed 547.96
Local aperture photometry processed 4.28
Validate local photometry processed 0.02
Local host SED inference processed 480.71
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h49m57.87s, 31d10m15.35s
semi major axis, semi minor axis (arcsec):1.61, 1.61
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 6.62 0.46 21.847 0.075 AB
PanSTARRS_r 10.27 0.53 21.372 0.056 AB
PanSTARRS_i 11.13 0.68 21.284 0.067 AB
PanSTARRS_z 11.12 1.49 21.285 0.146 AB
DES_z 12.9 1.0 21.123 0.084 AB
PanSTARRS_y 6.39 3.21 21.886 0.545 AB

Aperture details

RA, DEC (J2000):17h49m57.92s, 31d10m14.13s
semi major axis, semi minor axis (arcsec):4.97, 2.62
angle (degrees, anti-clockwise from east):-144.25
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 21.05 1.02 20.592 0.053 AB
PanSTARRS_r 30.96 1.17 20.173 0.041 AB
PanSTARRS_i 31.22 1.51 20.164 0.052 AB
PanSTARRS_z 36.04 3.27 20.008 0.099 AB
DES_z 38.46 1.86 19.937 0.052 AB
PanSTARRS_y 28.65 6.99 20.257 0.265 AB
2MASS_J -50.83 92.53 Vega
2MASS_H -25.68 142.92 Vega
2MASS_K 37.15 152.22 18.137 4.448 Vega
WISE_W2 3.98 10.72 19.061 2.923 Vega
WISE_W3 -74.25 46.94 Vega
WISE_W4 -87.96 306.08 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.903 8.134 8.285
{\rm log}_{10}({\rm SFR}) -2.269 -1.531 -0.679
{\rm log}_{10}({\rm sSFR}) -10.493 -9.729 -8.705
{\rm stellar\ age} 1.118 4.962 7.033

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.664 -1.086 -0.361
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.581 -0.628 0.202

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.130 0.415 1.053
\delta -0.562 -0.117 0.227
\tau_1/\tau_2 0.648 1.044 1.434
Q_{PAH} 1.108 2.825 5.332
U_{min} 3.116 8.077 15.125
{\rm log}_{10}(\gamma_e)\, -2.921 -1.828 -0.730

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.234 -0.070 0.283
{\rm log}_{10}(\tau_{AGN})\, 1.114 1.446 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.387 -1.807 -1.220
0.03-0.10 Gyr -2.431 -1.521 -0.553
0.10-0.33 Gyr -2.512 -1.621 -0.908
0.33-1.08 Gyr -2.924 -1.708 -1.199
1.08-3.54 Gyr -3.503 -1.831 -1.508
3.54-11.61 Gyr -3.733 -1.988 -1.601
11.61-12.89 Gyr -3.725 -2.085 -1.453

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.295 8.567 8.736
{\rm log}_{10}({\rm SFR}) -1.860 -1.135 -0.446
{\rm log}_{10}({\rm sSFR}) -10.548 -9.679 -8.837
{\rm stellar\ age} 0.557 4.140 6.727

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.754 -1.237 -0.386
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.775 -1.244 0.068

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.097 0.416 0.951
\delta -0.601 -0.048 0.261
\tau_1/\tau_2 0.608 1.048 1.461
Q_{PAH} 1.879 4.161 5.958
U_{min} 3.444 9.014 16.897
{\rm log}_{10}(\gamma_e)\, -3.106 -1.989 -0.799

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.430 -0.751 -0.087
{\rm log}_{10}(\tau_{AGN})\, 1.095 1.491 1.905

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.522 -1.507 -0.930
0.03-0.10 Gyr -2.128 -1.112 -0.335
0.10-0.33 Gyr -1.389 -0.737 -0.102
0.33-1.08 Gyr -2.441 -1.180 -0.695
1.08-3.54 Gyr -3.579 -1.497 -1.105
3.54-11.61 Gyr -4.383 -1.762 -1.220
11.61-12.89 Gyr -4.495 -1.736 -1.017