2026egy results

Information

Transient
Name:AT2026egy
Right ascension: 12h51m30.73s
Declination:4d34m43.52s
Discovery Date:Feb. 23, 2026, 10:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:J125130.48+043444.6
Right ascension: 12h51m30.49s
Declination:4d34m44.63s
Redshift:None
Photometric Redshift:0.063
 

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: completed

Task Name Status Time (s)
Cutout download processed 18.86
Transient MWEBV processed 0.04
Host match processed 4.4
Host information processed 0.04
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 6.82
Validate global photometry processed 19.67
Global host SED inference processed 403.5
Local aperture photometry processed 6.6
Validate local photometry processed 0.03
Local host SED inference processed 439.53
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h51m30.73s, 4d34m43.52s
semi major axis, semi minor axis (arcsec):1.65, 1.65
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 9.86 1.39 21.416 0.153 AB
SDSS_g 43.36 1.77 19.807 0.044 AB
DES_g 46.35 0.34 19.735 0.008 AB
PanSTARRS_g 49.77 0.41 19.658 0.009 AB
SDSS_r 96.89 2.67 18.934 0.030 AB
PanSTARRS_r 94.56 0.48 18.961 0.005 AB
DES_r 108.27 0.89 18.814 0.009 AB
SDSS_i 142.58 3.35 18.515 0.026 AB
PanSTARRS_i 139.44 0.52 18.539 0.004 AB
PanSTARRS_z 174.79 1.02 18.294 0.006 AB
SDSS_z 181.29 6.13 18.254 0.037 AB
DES_z 194.14 2.72 18.180 0.015 AB
PanSTARRS_y 208.33 2.07 18.103 0.011 AB

Aperture details

RA, DEC (J2000):12h51m30.54s, 4d34m44.73s
semi major axis, semi minor axis (arcsec):9.83, 4.86
angle (degrees, anti-clockwise from east):-67.31
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.08 2.43 21.940 0.434 AB
GALEX_NUV 4.47 0.51 22.275 0.123 AB
SDSS_u 47.48 5.29 19.709 0.121 AB
SDSS_g 365.42 5.36 17.493 0.016 AB
DES_g 362.31 1.02 17.502 0.003 AB
PanSTARRS_g 409.76 1.65 17.369 0.004 AB
SDSS_r 796.3 8.05 16.647 0.011 AB
PanSTARRS_r 813.49 1.88 16.624 0.003 AB
DES_r 835.21 2.58 16.596 0.003 AB
SDSS_i 1194.8 10.45 16.207 0.009 AB
PanSTARRS_i 1152.99 2.07 16.245 0.002 AB
PanSTARRS_z 1448.69 4.14 15.998 0.003 AB
SDSS_z 1584.33 23.58 15.900 0.016 AB
DES_z 1517.95 7.81 15.947 0.006 AB
PanSTARRS_y 1800.31 8.52 15.762 0.005 AB
2MASS_J 2273.97 224.73 14.613 0.107 Vega
2MASS_H 3200.3 290.62 13.769 0.099 Vega
2MASS_K 2341.43 376.6 13.638 0.175 Vega
WISE_W1 1010.14 21.44 13.690 0.023 Vega
WISE_W2 601.43 25.74 13.613 0.046 Vega
WISE_W3 164.64 95.94 13.185 0.633 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.514 9.627 9.748
{\rm log}_{10}({\rm SFR}) -1.971 -1.253 -0.661
{\rm log}_{10}({\rm sSFR}) -11.649 -10.851 -10.264
{\rm stellar\ age} 6.699 7.950 11.196

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.288 -0.765 -0.399
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.766 -0.369 0.340

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.348 0.690 1.041
\delta -0.556 -0.173 0.178
\tau_1/\tau_2 0.633 0.977 1.343
Q_{PAH} 0.960 3.164 5.574
U_{min} 2.946 8.196 15.011
{\rm log}_{10}(\gamma_e)\, -3.069 -1.790 -0.580

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.715 -1.040 -0.385
{\rm log}_{10}(\tau_{AGN})\, 1.058 1.536 1.953

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.924 -1.231 -0.773
0.03-0.10 Gyr -2.360 -1.334 -0.599
0.10-0.33 Gyr -2.601 -1.377 -0.647
0.33-1.08 Gyr -2.602 -1.289 -0.584
1.08-3.54 Gyr -2.552 -0.912 -0.353
3.54-11.63 Gyr -0.835 -0.285 -0.098
11.63-12.92 Gyr -0.688 -0.041 0.760

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.277 10.395 10.481
{\rm log}_{10}({\rm SFR}) -3.576 -1.222 -0.527
{\rm log}_{10}({\rm sSFR}) -13.935 -11.688 -10.928
{\rm stellar\ age} 4.059 6.908 8.425

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.448 -0.972 -0.733
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.450 -0.601 0.115

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.435 0.598 0.835
\delta -0.854 -0.679 -0.514
\tau_1/\tau_2 0.532 0.937 1.341
Q_{PAH} 0.589 1.646 3.081
U_{min} 2.886 8.709 16.369
{\rm log}_{10}(\gamma_e)\, -2.968 -1.626 -0.763

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.432 -3.465 -2.490
{\rm log}_{10}(\tau_{AGN})\, 1.050 1.525 1.919

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.643 -1.471 -0.592
0.03-0.10 Gyr -4.267 -1.367 -0.481
0.10-0.33 Gyr -3.370 -1.008 -0.055
0.33-1.08 Gyr -1.817 -0.178 0.441
1.08-3.54 Gyr -0.195 0.474 0.929
3.54-11.63 Gyr -0.717 0.476 0.689
11.63-12.92 Gyr -1.513 0.355 1.100