2025altz results

Information

Transient
Name:AT2025altz
Right ascension: 1h45m56.61s
Declination:-20d49m06.29s
Discovery Date:Dec. 11, 2025, 6:25 a.m.
Classification:None
Redshift:None
MW E(B-V):0.010
Host
Name:J014556.59-204903.46
Right ascension: 1h45m56.59s
Declination:-20d49m03.46s
Redshift:None
Photometric Redshift:0.116
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
GALEX_NUV
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
DES_g
DES_r
DES_z
GALEX_FUV
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 6.44
Transient MWEBV processed 0.07
Host match processed 5.8
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.6
Global aperture photometry processed 5.37
Validate global photometry processed 14.27
Global host SED inference processed 442.37
Local aperture photometry processed 5.27
Validate local photometry processed 0.02
Local host SED inference not enough filters 16.38
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h45m56.61s, -20d49m06.29s
semi major axis, semi minor axis (arcsec):0.95, 0.95
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 11.24 0.36 21.273 0.035 AB

Aperture details

RA, DEC (J2000):1h45m56.57s, -20d49m03.20s
semi major axis, semi minor axis (arcsec):8.01, 3.56
angle (degrees, anti-clockwise from east):-28.42
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 3.55 2.51 22.524 0.767 AB
DES_g 68.29 0.32 19.314 0.005 AB
PanSTARRS_g 66.88 1.1 19.337 0.018 AB
PanSTARRS_r 125.88 1.65 18.650 0.014 AB
DES_r 135.5 0.48 18.570 0.004 AB
PanSTARRS_i 160.65 1.79 18.385 0.012 AB
PanSTARRS_z 201.66 3.36 18.138 0.018 AB
DES_z 215.12 1.66 18.068 0.008 AB
PanSTARRS_y 221.17 8.31 18.038 0.041 AB
2MASS_J 195.53 118.34 17.277 0.657 Vega
2MASS_H 268.18 172.62 16.461 0.699 Vega
2MASS_K 623.11 210.05 15.076 0.366 Vega
WISE_W1 127.27 9.2 15.939 0.079 Vega
WISE_W2 78.4 12.97 15.825 0.180 Vega
WISE_W3 239.39 72.08 12.778 0.327 Vega
WISE_W4 85.35 330.6 12.452 4.206 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})\, 9.882 10.017 10.130
{\rm log}_{10}({\rm SFR}) -3.865 -1.713 -0.880
{\rm log}_{10}({\rm sSFR}) -13.821 -11.740 -10.870
{\rm stellar\ age} 4.564 6.655 8.191

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.475 -1.040 -0.684
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.776 0.062

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.134 0.259 0.403
\delta -0.824 -0.513 -0.062
\tau_1/\tau_2 0.578 0.965 1.362
Q_{PAH} 1.648 3.589 5.535
U_{min} 3.458 9.445 17.085
{\rm log}_{10}(\gamma_e)\, -2.170 -1.188 -0.414

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.988 -2.473 -1.422
{\rm log}_{10}(\tau_{AGN})\, 1.056 1.538 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.989 -2.012 -1.159
0.03-0.10 Gyr -4.283 -1.725 -0.791
0.10-0.32 Gyr -3.475 -1.261 -0.341
0.32-1.05 Gyr -2.928 -0.779 0.036
1.05-3.40 Gyr -1.040 0.091 0.470
3.40-11.03 Gyr -0.748 0.126 0.354
11.03-12.26 Gyr -1.343 0.039 0.776