2025alsq results

Information

Transient
Name:AT2025alsq
Right ascension: 0h33m41.61s
Declination:-27d05m38.77s
Discovery Date:Nov. 24, 2025, 6:31 a.m.
Classification:None
Redshift:None
MW E(B-V):0.014
Host
Name:759904
Right ascension: 0h33m41.54s
Declination:-27d05m38.04s
Redshift:None
Photometric Redshift:0.094
 

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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 8.59
Transient MWEBV processed 0.13
Host match processed 4.48
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 5.04
Validate global photometry processed 14.97
Global host SED inference processed 386.17
Local aperture photometry processed 4.89
Validate local photometry processed 0.02
Local host SED inference processed 540.03
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):0h33m41.61s, -27d05m38.77s
semi major axis, semi minor axis (arcsec):1.15, 1.15
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 33.6 0.23 20.084 0.007 AB
PanSTARRS_i 39.12 0.41 19.919 0.011 AB
PanSTARRS_z 49.14 1.05 19.671 0.023 AB
DES_z 62.35 0.86 19.413 0.015 AB
PanSTARRS_y 58.37 2.37 19.484 0.044 AB

Aperture details

RA, DEC (J2000):0h33m41.55s, -27d05m39.17s
semi major axis, semi minor axis (arcsec):12.97, 3.63
angle (degrees, anti-clockwise from east):-24.51
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.27 1.21 20.872 0.081 AB
GALEX_NUV 18.8 0.8 20.715 0.046 AB
DES_g 153.3 0.51 18.436 0.004 AB
PanSTARRS_g 161.87 1.95 18.377 0.013 AB
PanSTARRS_r 253.61 2.69 17.890 0.012 AB
DES_r 270.68 0.75 17.819 0.003 AB
PanSTARRS_i 337.67 2.34 17.579 0.008 AB
PanSTARRS_z 412.0 6.12 17.363 0.016 AB
DES_z 440.67 2.61 17.290 0.006 AB
PanSTARRS_y 462.69 13.9 17.237 0.033 AB
2MASS_J 398.15 228.95 16.505 0.624 Vega
2MASS_H -78.5 346.43 Vega
2MASS_K 597.02 366.39 15.122 0.666 Vega
WISE_W1 347.16 13.8 14.850 0.043 Vega
WISE_W2 192.12 16.16 14.852 0.091 Vega
WISE_W3 513.88 86.27 11.949 0.182 Vega
WISE_W4 576.24 493.15 10.379 0.929 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.927 9.240 9.392
{\rm log}_{10}({\rm SFR}) -1.853 -0.802 0.147
{\rm log}_{10}({\rm sSFR}) -11.149 -10.086 -8.891
{\rm stellar\ age} 0.688 5.547 7.537

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.912 -0.210 0.067
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.470 -0.626 0.140

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.244 0.856 1.348
\delta -0.438 -0.072 0.252
\tau_1/\tau_2 0.626 1.062 1.499
Q_{PAH} 1.407 3.464 5.774
U_{min} 3.430 9.314 16.821
{\rm log}_{10}(\gamma_e)\, -2.912 -1.696 -0.534

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.915 -0.317 0.168
{\rm log}_{10}(\tau_{AGN})\, 1.131 1.656 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.883 -1.432 -0.550
0.03-0.10 Gyr -2.057 -0.785 0.274
0.10-0.33 Gyr -1.797 -0.680 0.244
0.33-1.06 Gyr -2.719 -0.839 -0.171
1.06-3.46 Gyr -3.390 -0.876 -0.461
3.46-11.28 Gyr -3.787 -0.871 -0.482
11.28-12.53 Gyr -3.743 -0.852 -0.126

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.119 10.166 10.216
{\rm log}_{10}({\rm SFR}) -0.412 -0.158 0.100
{\rm log}_{10}({\rm sSFR}) -10.589 -10.322 -10.077
{\rm stellar\ age} 6.030 6.834 7.746

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.679 -0.415 -0.201
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.627 -0.766 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.158 0.284 0.466
\delta -0.113 0.171 0.320
\tau_1/\tau_2 0.673 0.986 1.300
Q_{PAH} 1.339 3.141 5.068
U_{min} 2.483 7.743 14.852
{\rm log}_{10}(\gamma_e)\, -2.495 -1.494 -0.554

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.046 -2.602 -1.708
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.404 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.884 -0.431 -0.242
0.03-0.10 Gyr -0.422 -0.074 0.234
0.10-0.33 Gyr -0.190 0.094 0.379
0.33-1.06 Gyr -0.226 0.054 0.249
1.06-3.46 Gyr -0.083 0.175 0.369
3.46-11.28 Gyr 0.151 0.306 0.405
11.28-12.53 Gyr -0.069 0.370 0.758