2026kas results

Information

Transient
Name:AT2026kas
Right ascension: 12h15m15.37s
Declination:5d18m53.16s
Discovery Date:April 17, 2026, 8:13 a.m.
Classification:None
Redshift:None
MW E(B-V):0.018
Host
Name:SDSSJ121515.40+05185
Right ascension: 12h15m15.36s
Declination:5d18m56.99s
Redshift:None
Photometric Redshift:0.076
 

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 19.25
Transient MWEBV processed 0.08
Host match processed 4.07
Host information processed 0.06
Host MWEBV processed 0.06
Global aperture construction processed 0.62
Global aperture photometry processed 7.0
Validate global photometry processed 19.49
Global host SED inference processed 448.5
Local aperture photometry processed 6.73
Validate local photometry processed 0.03
Local host SED inference processed 502.31
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h15m15.37s, 5d18m53.16s
semi major axis, semi minor axis (arcsec):1.39, 1.39
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 7.83 0.18 21.666 0.025 AB
PanSTARRS_g 7.28 0.34 21.744 0.051 AB
SDSS_r 9.75 1.0 21.428 0.111 AB
PanSTARRS_r 10.6 0.44 21.337 0.045 AB
DES_r 11.9 0.36 21.211 0.033 AB
SDSS_i 14.79 1.37 20.975 0.101 AB
PanSTARRS_i 12.04 0.37 21.198 0.034 AB
PanSTARRS_z 13.17 0.75 21.101 0.062 AB
SDSS_z 17.05 4.55 20.821 0.290 AB
DES_z 15.54 0.79 20.921 0.055 AB
PanSTARRS_y 18.97 1.74 20.705 0.100 AB

Aperture details

RA, DEC (J2000):12h15m15.39s, 5d18m57.38s
semi major axis, semi minor axis (arcsec):10.14, 5.79
angle (degrees, anti-clockwise from east):-130.67
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 20.12 3.73 20.641 0.201 AB
GALEX_NUV 24.16 0.91 20.442 0.041 AB
SDSS_u 85.25 5.89 19.073 0.075 AB
SDSS_g 160.63 3.95 18.385 0.027 AB
DES_g 163.28 0.91 18.368 0.006 AB
PanSTARRS_g 176.05 1.9 18.286 0.012 AB
SDSS_r 273.98 5.41 17.806 0.021 AB
PanSTARRS_r 267.15 2.41 17.833 0.010 AB
DES_r 266.57 1.82 17.835 0.007 AB
SDSS_i 365.91 7.18 17.492 0.021 AB
PanSTARRS_z 376.29 4.17 17.461 0.012 AB
SDSS_z 530.34 25.46 17.089 0.052 AB
DES_z 364.57 4.0 17.496 0.012 AB
PanSTARRS_y 422.55 9.57 17.335 0.025 AB
2MASS_J 898.51 240.99 15.621 0.291 Vega
2MASS_H 607.03 343.28 15.574 0.614 Vega
2MASS_K 1026.66 434.98 14.534 0.460 Vega
WISE_W1 238.7 17.59 15.256 0.080 Vega
WISE_W2 130.23 20.15 15.274 0.168 Vega
WISE_W3 328.06 99.03 12.436 0.328 Vega
WISE_W4 503.08 572.77 10.526 1.236 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.961 8.225 8.388
{\rm log}_{10}({\rm SFR}) -2.189 -1.185 -0.049
{\rm log}_{10}({\rm sSFR}) -10.522 -9.508 -7.986
{\rm stellar\ age} 0.161 2.596 5.913

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.651 -0.865 -0.139
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.340 -0.336 0.266

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.218 0.614 1.538
\delta -0.540 -0.099 0.206
\tau_1/\tau_2 0.594 1.041 1.459
Q_{PAH} 1.280 3.128 5.561
U_{min} 3.631 9.664 17.468
{\rm log}_{10}(\gamma_e)\, -2.816 -1.716 -0.601

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.314 -0.166 0.249
{\rm log}_{10}(\tau_{AGN})\, 1.188 1.592 1.948

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.117 -1.919 -1.320
0.03-0.10 Gyr -2.357 -1.117 0.110
0.10-0.33 Gyr -2.831 -1.293 -0.506
0.33-1.07 Gyr -4.468 -1.483 -0.916
1.07-3.51 Gyr -5.915 -2.131 -1.429
3.51-11.47 Gyr -6.825 -2.568 -1.651
11.47-12.75 Gyr -6.771 -2.500 -1.503

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.858 9.943 10.066
{\rm log}_{10}({\rm SFR}) -0.272 0.040 0.358
{\rm log}_{10}({\rm sSFR}) -10.217 -9.898 -9.592
{\rm stellar\ age} 7.023 7.876 11.189

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.428 -1.014 -0.733
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.591 0.230 0.409

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.103 0.184 0.316
\delta -0.795 -0.415 -0.029
\tau_1/\tau_2 0.516 0.980 1.392
Q_{PAH} 0.976 2.262 4.383
U_{min} 3.053 8.369 15.988
{\rm log}_{10}(\gamma_e)\, -2.647 -1.251 -0.385

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.872 -2.473 -1.663
{\rm log}_{10}(\tau_{AGN})\, 1.035 1.465 1.874

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.614 -0.896 -0.413
0.03-0.10 Gyr -0.172 0.179 0.515
0.10-0.33 Gyr -2.292 -0.505 -0.010
0.33-1.07 Gyr -3.205 -0.772 -0.355
1.07-3.51 Gyr -2.418 -0.626 -0.152
3.51-11.47 Gyr -0.715 0.050 0.201
11.47-12.75 Gyr -0.268 0.351 1.149