2026ewj results

Information

Transient
Name:AT2026ewj
Right ascension: 19h04m21.17s
Declination:45d31m26.96s
Discovery Date:Feb. 18, 2026, 3:17 p.m.
Classification:None
Redshift:None
MW E(B-V):0.044
Host
Name:
Right ascension: 19h04m21.16s
Declination:45d31m26.52s
Redshift:None
Photometric Redshift:0.039
 

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_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 6.06
Transient MWEBV processed 0.11
Host match processed 5.78
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 3.94
Validate global photometry processed 12.13
Global host SED inference processed 702.05
Local aperture photometry processed 3.86
Validate local photometry processed 0.02
Local host SED inference processed 666.03
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):19h04m21.17s, 45d31m26.96s
semi major axis, semi minor axis (arcsec):2.61, 2.61
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 671.98 0.75 16.832 0.001 AB
PanSTARRS_r 1340.19 1.01 16.082 0.001 AB
PanSTARRS_i 1880.29 0.85 15.714 0.000 AB
PanSTARRS_z 2357.8 2.33 15.469 0.001 AB
PanSTARRS_y 2697.61 4.87 15.323 0.002 AB

Aperture details

RA, DEC (J2000):19h04m21.15s, 45d31m26.56s
semi major axis, semi minor axis (arcsec):8.71, 5.79
angle (degrees, anti-clockwise from east):-173.57
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.55 2.81 21.342 0.289 AB
GALEX_NUV 9.59 0.86 21.446 0.098 AB
PanSTARRS_g 1078.5 1.7 16.318 0.002 AB
PanSTARRS_r 2135.58 2.12 15.576 0.001 AB
PanSTARRS_i 2970.23 1.94 15.218 0.001 AB
PanSTARRS_z 3681.61 5.65 14.985 0.002 AB
PanSTARRS_y 4339.2 12.91 14.806 0.003 AB
2MASS_J 5444.28 171.58 13.665 0.034 Vega
2MASS_H 6815.55 272.17 12.949 0.043 Vega
2MASS_K 5810.36 292.02 12.652 0.055 Vega
WISE_W1 2322.33 27.73 12.786 0.013 Vega
WISE_W2 1292.44 32.02 12.782 0.027 Vega
WISE_W3 262.25 56.08 12.679 0.232 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.017 10.210 10.382
{\rm log}_{10}({\rm SFR}) -3.643 -1.170 0.409
{\rm log}_{10}({\rm sSFR}) -13.826 -11.448 -9.657
{\rm stellar\ age} 3.528 7.520 10.990

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.696 -0.964 -0.597
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.799 -1.039 0.162

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.255 0.721 1.297
\delta -0.779 -0.479 -0.059
\tau_1/\tau_2 0.588 1.008 1.434
Q_{PAH} 0.544 1.996 4.402
U_{min} 3.147 9.090 16.535
{\rm log}_{10}(\gamma_e)\, -2.892 -1.622 -0.504

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.332 -2.624 -0.546
{\rm log}_{10}(\tau_{AGN})\, 0.899 1.448 1.982

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.818 -1.065 0.096
0.03-0.10 Gyr -4.743 -1.571 0.482
0.10-0.33 Gyr -3.883 -1.159 0.639
0.33-1.09 Gyr -3.466 -0.796 0.367
1.09-3.61 Gyr -2.583 -0.152 0.442
3.61-11.91 Gyr -1.569 0.165 0.496
11.91-13.24 Gyr -1.355 0.290 1.349

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.466 10.559 10.587
{\rm log}_{10}({\rm SFR}) -2.753 -2.144 -1.642
{\rm log}_{10}({\rm sSFR}) -13.311 -12.692 -12.213
{\rm stellar\ age} 9.533 12.481 12.571

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.717 -0.612 -0.512
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.429 -0.641 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.026 0.063 0.130
\delta -0.787 -0.425 -0.007
\tau_1/\tau_2 0.502 0.945 1.420
Q_{PAH} 0.596 2.176 4.355
U_{min} 3.088 8.852 16.951
{\rm log}_{10}(\gamma_e)\, -2.223 -0.954 -0.410

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.448 -3.571 -2.639
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.526 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.040 -2.161 -1.663
0.03-0.10 Gyr -3.917 -2.327 -1.656
0.10-0.33 Gyr -4.932 -2.581 -1.760
0.33-1.09 Gyr -5.549 -2.784 -1.649
1.09-3.61 Gyr -4.483 -2.334 -1.070
3.61-11.91 Gyr -2.449 -1.011 0.574
11.91-13.24 Gyr 1.172 1.683 1.716