2026elg results

Information

Transient
Name:AT2026elg
Right ascension: 8h40m30.02s
Declination:4d57m22.24s
Discovery Date:Feb. 21, 2026, 6:56 a.m.
Classification:None
Redshift:None
MW E(B-V):0.030
Host
Name:
Right ascension: 8h40m30.04s
Declination:4d57m23.90s
Redshift:None
Photometric Redshift:0.155
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.45
Transient MWEBV processed 0.05
Host match processed 5.61
Host information processed 0.13
Host MWEBV processed 0.05
Global aperture construction processed 0.76
Global aperture photometry processed 6.08
Validate global photometry processed 22.0
Global host SED inference processed 478.72
Local aperture photometry processed 6.62
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):8h40m30.03s, 4d57m24.13s
semi major axis, semi minor axis (arcsec):3.17, 2.35
angle (degrees, anti-clockwise from east):-5.72
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 8.67 1.94 21.555 0.243 AB
SDSS_g 24.59 1.49 20.423 0.066 AB
DES_g 21.69 0.34 20.559 0.017 AB
PanSTARRS_g 23.6 0.84 20.468 0.039 AB
SDSS_r 32.57 1.84 20.118 0.061 AB
PanSTARRS_r 33.79 0.68 20.078 0.022 AB
DES_r 34.7 0.61 20.049 0.019 AB
SDSS_i 42.56 2.47 19.828 0.063 AB
PanSTARRS_i 43.88 0.83 19.794 0.020 AB
PanSTARRS_z 45.38 1.82 19.758 0.044 AB
SDSS_z 45.26 5.66 19.761 0.136 AB
DES_z 50.74 1.93 19.637 0.041 AB
PanSTARRS_y 41.74 4.75 19.849 0.124 AB
2MASS_J 142.51 113.7 17.621 0.866 Vega
2MASS_H -28.38 159.4 Vega
2MASS_K -161.92 193.31 Vega
WISE_W1 18.6 16.96 18.027 0.990 Vega
WISE_W2 19.71 12.25 17.324 0.675 Vega
WISE_W3 -1.79 54.8 Vega
WISE_W4 -425.14 318.73 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})\, 9.126 9.335 9.509
{\rm log}_{10}({\rm SFR}) -0.869 -0.119 0.614
{\rm log}_{10}({\rm sSFR}) -10.271 -9.430 -8.528
{\rm stellar\ age} 0.311 1.466 4.374

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.655 -0.995 -0.206
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.687 -0.410 0.295

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.330 0.583 1.001
\delta -0.571 -0.200 0.119
\tau_1/\tau_2 0.635 1.060 1.483
Q_{PAH} 1.580 3.640 5.445
U_{min} 3.266 9.145 16.943
{\rm log}_{10}(\gamma_e)\, -3.128 -2.049 -0.807

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.613 -1.485 -0.479
{\rm log}_{10}(\tau_{AGN})\, 0.918 1.364 1.821

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.908 -0.281 0.093
0.03-0.10 Gyr -1.807 -0.127 0.737
0.10-0.32 Gyr -0.949 0.205 0.795
0.32-1.03 Gyr -1.724 0.035 0.507
1.03-3.31 Gyr -3.768 -1.158 -0.286
3.31-10.62 Gyr -4.815 -1.723 -0.657
10.62-11.80 Gyr -5.019 -1.724 -0.514