2026acgy results

Information

Transient
Name:AT2026acgy
Right ascension: 4h40m24.94s
Declination:-21d58m46.25s
Discovery Date:Sept. 17, 2026, 6:16 p.m.
Classification:None
Redshift:None
MW E(B-V):
Host
Name:J044024.95-215846.04
Object ID:9906613326582649
Catalog Name:decals
Catalog Release:dr9
Right ascension: 4h40m24.95s
Declination:-21d58m46.04s
Redshift:None
Photometric Redshift:0.205
 
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 9.1
Transient MWEBV processed 0.07
Host match processed 6.7
Host information processed 0.15
Host MWEBV processed 0.17
Host spectrum download processed 0.08
Global aperture construction processed 2.54
Global aperture photometry processed 6.63
Validate global photometry processed 16.7
Global host SED inference processed 414.56
Local aperture photometry processed 6.51
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Host Galaxy Spectrum

 

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})\, 9.346 9.658 9.844
{\rm log}_{10}({\rm SFR}) -0.718 0.274 0.922
{\rm log}_{10}({\rm sSFR}) -10.500 -9.412 -8.356
{\rm stellar\ age} 0.717 4.459 6.126

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.172 -0.374 0.034
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.499 -0.842 -0.184

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.285 0.922 1.497
\delta -0.324 0.014 0.267
\tau_1/\tau_2 0.736 1.080 1.474
Q_{PAH} 1.106 2.799 4.927
U_{min} 2.421 7.376 15.597
{\rm log}_{10}(\gamma_e)\, -2.761 -1.573 -0.528

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.886 -1.504 0.168
{\rm log}_{10}(\tau_{AGN})\, 0.959 1.431 1.897

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.006 0.168 1.009
0.03-0.10 Gyr -1.047 0.059 0.815
0.10-0.32 Gyr -1.074 -0.078 0.516
0.32-1.01 Gyr -1.322 -0.162 0.280
1.01-3.19 Gyr -1.991 -0.305 0.050
3.19-10.12 Gyr -2.743 -0.424 -0.014
10.12-11.25 Gyr -2.726 -0.530 0.123
 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):4h40m24.94s, -21d58m45.96s
semi major axis, semi minor axis (arcsec):2.3, 1.79
angle (degrees, anti-clockwise from east):343.9
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.55 1.32 24.545 2.586 AB
GALEX_NUV 2.2 1.16 23.043 0.573 AB
DES_g 10.22 0.12 21.376 0.012 AB
PanSTARRS_g 9.97 0.5 21.403 0.054 AB
PanSTARRS_r 21.5 0.59 20.569 0.030 AB
DES_r 22.24 0.16 20.532 0.008 AB
PanSTARRS_i 25.63 0.7 20.378 0.030 AB
DES_i 30.26 0.37 20.198 0.013 AB
PanSTARRS_z 31.91 1.81 20.140 0.062 AB
DES_z 35.25 0.67 20.032 0.021 AB
PanSTARRS_y 26.88 3.58 20.326 0.145 AB
2MASS_J -65.38 79.49 Vega
2MASS_H 119.64 116.04 17.338 1.053 Vega
2MASS_K -85.55 151.59 Vega
WISE_W1 -6.17 10.16 Vega
WISE_W2 9.75 8.97 18.088 0.999 Vega
WISE_W3 71.65 46.25 14.088 0.701 Vega
WISE_W4 -612.69 408.75 Vega