2025alcz results

Information

Transient
Name:AT2025alcz
Right ascension: 8h23m16.80s
Declination:4d17m57.70s
Discovery Date:Dec. 12, 2025, 1:21 p.m.
Classification:None
Redshift:None
MW E(B-V):0.023
Host
Name:1266298
Right ascension: 8h23m17.04s
Declination:4d17m55.32s
Redshift:None
Photometric Redshift:0.142
 

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 18.57
Transient MWEBV processed 0.07
Host match processed 4.5
Host information processed 0.06
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.48
Validate global photometry processed 19.3
Global host SED inference processed 451.22
Local aperture photometry processed 6.31
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):8h23m16.99s, 4d17m55.53s
semi major axis, semi minor axis (arcsec):6.6, 6.26
angle (degrees, anti-clockwise from east):-94.87
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 17.08 3.44 20.819 0.219 AB
GALEX_NUV 23.37 0.68 20.479 0.032 AB
SDSS_u 74.07 5.44 19.226 0.080 AB
SDSS_g 141.27 3.91 18.525 0.030 AB
DES_g 160.72 0.77 18.385 0.005 AB
PanSTARRS_g 155.1 1.76 18.423 0.012 AB
SDSS_r 271.34 5.69 17.816 0.023 AB
PanSTARRS_r 276.73 1.53 17.795 0.006 AB
DES_r 291.59 1.66 17.738 0.006 AB
SDSS_i 379.65 8.59 17.452 0.025 AB
PanSTARRS_i 374.11 2.0 17.467 0.006 AB
PanSTARRS_z 406.73 4.57 17.377 0.012 AB
SDSS_z 438.87 24.98 17.294 0.062 AB
PanSTARRS_y 474.46 11.4 17.209 0.026 AB
2MASS_J 516.9 181.05 16.222 0.380 Vega
2MASS_H 819.49 246.07 15.249 0.326 Vega
2MASS_K 521.94 329.58 15.268 0.686 Vega
WISE_W1 292.12 16.43 15.037 0.061 Vega
WISE_W2 197.03 24.61 14.825 0.136 Vega
WISE_W3 446.53 121.52 12.101 0.295 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})\, 10.443 10.483 10.532
{\rm log}_{10}({\rm SFR}) 0.612 0.794 0.979
{\rm log}_{10}({\rm sSFR}) -9.881 -9.694 -9.501
{\rm stellar\ age} 6.419 7.012 8.171

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.534 -0.412 -0.300
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.619 -1.301 -0.113

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.145 0.187 0.264
\delta -0.939 -0.786 -0.550
\tau_1/\tau_2 0.734 1.084 1.452
Q_{PAH} 0.283 0.779 1.732
U_{min} 2.317 6.936 13.750
{\rm log}_{10}(\gamma_e)\, -2.978 -2.255 -1.261

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.182 -2.967 -2.088
{\rm log}_{10}(\tau_{AGN})\, 0.996 1.416 1.852

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.378 0.505 0.621
0.03-0.10 Gyr 0.658 0.887 1.097
0.10-0.32 Gyr -0.040 0.354 0.609
0.32-1.04 Gyr -0.348 0.058 0.316
1.04-3.34 Gyr -0.148 0.271 0.534
3.34-10.76 Gyr 0.504 0.664 0.763
10.76-11.96 Gyr 0.402 0.827 1.266