2025alsm results

Information

Transient
Name:AT2025alsm
Right ascension: 22h51m44.32s
Declination:-8d02m57.05s
Discovery Date:Nov. 19, 2025, 5:17 a.m.
Classification:None
Redshift:None
MW E(B-V):0.031
Host
Name:
Right ascension: 22h51m44.42s
Declination:-8d02m56.05s
Redshift:None
Photometric Redshift:0.176
 

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: blocked

Task Name Status Time (s)
Cutout download processed 18.7
Transient MWEBV processed 0.11
Host match processed 5.88
Host information processed 0.16
Host MWEBV processed 0.09
Global aperture construction processed 0.64
Global aperture photometry processed 6.96
Validate global photometry processed 19.41
Global host SED inference processed 389.6
Local aperture photometry processed 6.71
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):22h51m44.42s, -8d02m55.87s
semi major axis, semi minor axis (arcsec):3.93, 3.52
angle (degrees, anti-clockwise from east):-145.74
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.54 0.54 21.861 0.090 AB
GALEX_NUV 11.86 0.43 21.214 0.039 AB
SDSS_u 12.45 4.19 21.162 0.366 AB
SDSS_g 51.71 2.35 19.616 0.049 AB
DES_g 53.05 0.84 19.588 0.017 AB
PanSTARRS_g 56.81 0.82 19.514 0.016 AB
SDSS_r 93.16 3.1 18.977 0.036 AB
PanSTARRS_r 89.85 1.19 19.016 0.014 AB
DES_r 93.73 1.11 18.970 0.013 AB
SDSS_i 128.48 4.42 18.628 0.037 AB
PanSTARRS_i 127.55 1.0 18.636 0.009 AB
PanSTARRS_z 128.53 2.64 18.627 0.022 AB
SDSS_z 113.32 11.13 18.764 0.107 AB
DES_z 140.57 2.61 18.530 0.020 AB
PanSTARRS_y 141.37 6.12 18.524 0.047 AB
2MASS_J 86.77 107.43 18.159 1.344 Vega
2MASS_H 409.34 173.53 16.002 0.460 Vega
2MASS_K 175.95 207.77 16.449 1.282 Vega
WISE_W1 69.54 8.51 16.595 0.133 Vega
WISE_W2 42.67 11.0 16.486 0.280 Vega
WISE_W3 242.82 72.71 12.763 0.325 Vega
WISE_W4 499.85 428.51 10.533 0.931 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.995 10.065 10.146
{\rm log}_{10}({\rm SFR}) 0.234 0.449 0.667
{\rm log}_{10}({\rm sSFR}) -9.849 -9.626 -9.378
{\rm stellar\ age} 4.563 5.593 6.524

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.134 -0.698 -0.348
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.641 0.127 0.312

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.168 0.267 0.447
\delta -0.646 -0.316 -0.026
\tau_1/\tau_2 0.878 1.178 1.498
Q_{PAH} 0.525 1.429 2.842
U_{min} 2.752 7.525 14.265
{\rm log}_{10}(\gamma_e)\, -2.841 -1.942 -1.068

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.065 -2.774 -1.823
{\rm log}_{10}(\tau_{AGN})\, 1.023 1.489 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.172 0.336 0.496
0.03-0.10 Gyr 0.213 0.498 0.750
0.10-0.32 Gyr 0.222 0.475 0.703
0.32-1.02 Gyr -0.028 0.263 0.475
1.02-3.26 Gyr -0.037 0.205 0.377
3.26-10.41 Gyr -0.041 0.177 0.319
10.41-11.57 Gyr -0.282 0.199 0.612