2026ehf results

Information

Transient
Name:AT2026ehf
Right ascension: 18h53m16.80s
Declination:45d24m13.24s
Discovery Date:Feb. 24, 2026, 11:18 a.m.
Classification:None
Redshift:None
MW E(B-V):0.045
Host
Name:
Right ascension: 18h53m16.55s
Declination:45d24m04.38s
Redshift:None
Photometric Redshift:0.090
 

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 5.76
Transient MWEBV processed 0.25
Host match processed 5.63
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.68
Global aperture photometry processed 3.96
Validate global photometry processed 12.29
Global host SED inference processed 519.55
Local aperture photometry processed 3.87
Validate local photometry processed 0.02
Local host SED inference processed 518.44
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h53m16.80s, 45d24m13.24s
semi major axis, semi minor axis (arcsec):1.2, 1.2
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 1.7 0.32 23.323 0.204 AB
PanSTARRS_i 3.19 0.33 22.642 0.111 AB
PanSTARRS_z 3.75 0.84 22.464 0.243 AB
PanSTARRS_y 3.87 2.15 22.430 0.602 AB

Aperture details

RA, DEC (J2000):18h53m16.54s, 45d24m04.71s
semi major axis, semi minor axis (arcsec):16.59, 8.71
angle (degrees, anti-clockwise from east):-118.02
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 6.85 1.18 21.811 0.188 AB
PanSTARRS_g 731.31 2.44 16.740 0.004 AB
PanSTARRS_r 1656.86 3.33 15.852 0.002 AB
PanSTARRS_i 2516.63 3.34 15.398 0.001 AB
2MASS_J 5241.7 266.96 13.706 0.055 Vega
2MASS_H 5731.59 385.14 13.137 0.073 Vega
2MASS_K 6175.25 538.23 12.586 0.095 Vega
WISE_W1 2512.42 33.82 12.701 0.015 Vega
WISE_W2 1484.47 42.41 12.632 0.031 Vega
WISE_W3 1079.4 94.96 11.143 0.096 Vega
WISE_W4 432.98 349.46 10.689 0.876 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.579 8.163 8.466
{\rm log}_{10}({\rm SFR}) -1.197 -0.778 -0.314
{\rm log}_{10}({\rm sSFR}) -9.553 -8.886 -7.965
{\rm stellar\ age} 0.101 4.317 6.888

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.199 -0.361 0.060
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.430 -0.684 -0.031

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.408 1.893 2.541
\delta 0.084 0.233 0.341
\tau_1/\tau_2 0.728 1.111 1.526
Q_{PAH} 0.722 2.338 5.121
U_{min} 3.008 8.514 16.250
{\rm log}_{10}(\gamma_e)\, -3.049 -1.964 -0.929

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.794 -0.420 0.228
{\rm log}_{10}(\tau_{AGN})\, 0.948 1.424 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.140 -0.648 -0.119
0.03-0.10 Gyr -2.416 -1.147 -0.455
0.10-0.33 Gyr -3.619 -1.655 -0.964
0.33-1.06 Gyr -5.152 -1.942 -1.335
1.06-3.47 Gyr -5.630 -2.132 -1.453
3.47-11.32 Gyr -6.365 -2.162 -1.476
11.32-12.58 Gyr -6.577 -2.200 -1.276

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.161 11.279 11.332
{\rm log}_{10}({\rm SFR}) -3.424 -1.126 -0.323
{\rm log}_{10}({\rm sSFR}) -14.455 -12.376 -11.495
{\rm stellar\ age} 7.523 11.369 11.945

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.059 -0.732 -0.552
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.569 -0.642 0.183

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.244 0.367 0.550
\delta -0.836 -0.515 -0.229
\tau_1/\tau_2 0.460 0.918 1.374
Q_{PAH} 0.389 1.077 2.369
U_{min} 2.680 8.485 16.521
{\rm log}_{10}(\gamma_e)\, -3.395 -2.526 -1.374

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.468 -3.589 -2.654
{\rm log}_{10}(\tau_{AGN})\, 0.993 1.511 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -5.063 -1.525 -0.364
0.03-0.10 Gyr -4.464 -1.481 -0.343
0.10-0.33 Gyr -5.250 -2.020 -0.343
0.33-1.06 Gyr -5.581 -2.321 -0.428
1.06-3.47 Gyr -3.777 -1.645 0.177
3.47-11.32 Gyr -1.469 0.682 1.472
11.32-12.58 Gyr 1.083 2.385 2.484