2025alis results

Information

Transient
Name:AT2025alis
Right ascension: 0h50m20.49s
Declination:18d02m44.02s
Discovery Date:Dec. 22, 2025, 3:29 a.m.
Classification:None
Redshift:None
MW E(B-V):0.057
Host
Name:J005020.46+180243.92
Object ID:9906628112618407
Catalog Name:decals
Catalog Release:dr9
Right ascension: 0h50m20.46s
Declination:18d02m43.92s
Redshift:None
Photometric Redshift:0.101
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 17.45
Transient MWEBV processed 0.09
Host match processed 5.2
Host information processed 0.13
Host MWEBV processed 0.05
Host spectrum download not processed None
Global aperture construction processed 0.61
Global aperture photometry processed 7.0
Validate global photometry processed 18.34
Global host SED inference processed 616.73
Local aperture photometry processed 6.17
Validate local photometry processed 0.03
Local host SED inference processed 468.11
 

Imaging data


 

Spectral Energy Distribution



 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.711 9.914 10.075
{\rm log}_{10}({\rm SFR}) -1.043 -0.251 0.536
{\rm log}_{10}({\rm sSFR}) -11.002 -10.169 -9.237
{\rm stellar\ age} 3.332 6.516 8.621

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.552 -0.849 -0.364
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.617 -0.863 -0.004

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.462 0.862 1.279
\delta -0.686 -0.430 -0.092
\tau_1/\tau_2 0.550 0.945 1.355
Q_{PAH} 0.487 1.764 4.326
U_{min} 2.998 8.159 15.899
{\rm log}_{10}(\gamma_e)\, -3.183 -1.802 -0.780

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.069 -1.961 -0.635
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.433 1.951

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.058 -0.227 0.388
0.03-0.10 Gyr -1.637 -0.454 0.591
0.10-0.33 Gyr -1.759 -0.532 0.337
0.33-1.06 Gyr -1.873 -0.342 0.283
1.06-3.44 Gyr -1.972 -0.223 0.171
3.44-11.20 Gyr -1.308 -0.091 0.214
11.20-12.44 Gyr -1.200 0.004 0.816

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.468 10.600 10.653
{\rm log}_{10}({\rm SFR}) -4.776 -1.888 -0.180
{\rm log}_{10}({\rm sSFR}) -15.136 -12.476 -10.629
{\rm stellar\ age} 7.338 11.466 11.813

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.592 -1.247 -0.940
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.513 -0.532 0.210

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.330 0.482 0.651
\delta -0.875 -0.633 -0.402
\tau_1/\tau_2 0.454 0.921 1.414
Q_{PAH} 0.721 2.112 4.533
U_{min} 4.269 11.054 19.022
{\rm log}_{10}(\gamma_e)\, -2.571 -1.287 -0.448

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.254 -2.931 -1.821
{\rm log}_{10}(\tau_{AGN})\, 1.140 1.633 1.959

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.736 -3.618 -1.702
0.03-0.10 Gyr -5.196 -1.918 -0.034
0.10-0.33 Gyr -5.683 -2.411 -0.494
0.33-1.06 Gyr -6.403 -3.595 -0.975
1.06-3.44 Gyr -4.675 -2.620 -0.395
3.44-11.20 Gyr -2.460 -0.364 0.772
11.20-12.44 Gyr 0.276 1.735 1.811
 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h50m20.49s, 18d02m44.02s
semi major axis, semi minor axis (arcsec):1.08, 1.08
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 95.83 0.61 18.946 0.007 AB
PanSTARRS_z 181.4 0.9 18.253 0.005 AB
DES_z 166.21 2.04 18.348 0.013 AB
PanSTARRS_y 200.06 1.81 18.147 0.010 AB

Aperture details

RA, DEC (J2000):0h50m20.45s, 18d02m44.07s
semi major axis, semi minor axis (arcsec):5.74, 3.61
angle (degrees, anti-clockwise from east):331.32
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.28 1.06 23.007 0.503 AB
GALEX_NUV -0.88 1.26 AB
SDSS_u 32.25 3.7 20.129 0.124 AB
SDSS_g 104.0 2.95 18.857 0.031 AB
DES_g 114.43 0.74 18.754 0.007 AB
PanSTARRS_g 114.82 1.08 18.750 0.010 AB
SDSS_r 249.06 4.59 17.909 0.020 AB
PanSTARRS_r 259.09 1.49 17.866 0.006 AB
DES_r 283.47 1.15 17.769 0.004 AB
SDSS_i 395.43 6.38 17.407 0.018 AB
PanSTARRS_i 381.11 2.05 17.447 0.006 AB
PanSTARRS_z 523.94 3.58 17.102 0.007 AB
SDSS_z 534.25 14.45 17.081 0.029 AB
DES_z 539.56 3.78 17.070 0.008 AB
PanSTARRS_y 612.15 7.43 16.933 0.013 AB
2MASS_J 681.42 118.56 15.922 0.189 Vega
2MASS_H 991.1 168.38 15.042 0.184 Vega
2MASS_K 808.41 236.99 14.793 0.318 Vega
WISE_W1 325.72 13.11 14.919 0.044 Vega
WISE_W2 180.44 16.92 14.920 0.102 Vega
WISE_W3 96.73 61.29 13.762 0.688 Vega
WISE_W4 633.99 383.19 10.275 0.656 Vega