2026egg results

Information

Transient
Name:AT2026egg
Right ascension: 1h59m22.22s
Declination:30d18m34.02s
Discovery Date:Feb. 24, 2026, 3:14 a.m.
Classification:None
Redshift:None
MW E(B-V):0.041
Host
Name:
Right ascension: 1h59m22.16s
Declination:30d18m34.34s
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_z
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 20.31
Transient MWEBV processed 0.11
Host match processed 5.61
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 2.72
Global aperture photometry processed 6.88
Validate global photometry processed 19.77
Global host SED inference processed 495.54
Local aperture photometry processed 6.78
Validate local photometry processed 0.03
Local host SED inference processed 455.55
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):1h59m22.22s, 30d18m34.02s
semi major axis, semi minor axis (arcsec):1.19, 1.19
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 8.34 0.17 21.597 0.022 AB
PanSTARRS_r 11.33 0.26 21.264 0.025 AB
DES_r 13.65 0.35 21.062 0.028 AB
PanSTARRS_i 13.75 0.36 21.054 0.028 AB
PanSTARRS_z 17.05 0.78 20.821 0.050 AB
DES_z 20.05 0.77 20.645 0.042 AB
PanSTARRS_y 20.22 1.89 20.636 0.101 AB

Aperture details

RA, DEC (J2000):1h59m22.15s, 30d18m34.67s
semi major axis, semi minor axis (arcsec):6.34, 5.85
angle (degrees, anti-clockwise from east):-170.96
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.17 2.98 21.101 0.245 AB
GALEX_NUV 11.59 2.15 21.240 0.202 AB
SDSS_u 1.22 7.71 23.687 6.882 AB
SDSS_g 36.33 2.68 19.999 0.080 AB
PanSTARRS_g 43.51 1.53 19.804 0.038 AB
SDSS_r 60.58 4.49 19.444 0.080 AB
PanSTARRS_r 59.38 1.3 19.466 0.024 AB
DES_r 64.13 1.02 19.382 0.017 AB
SDSS_i 80.62 6.54 19.134 0.088 AB
PanSTARRS_i 72.4 1.81 19.251 0.027 AB
PanSTARRS_z 88.38 3.92 19.034 0.048 AB
SDSS_z 104.93 27.67 18.848 0.286 AB
DES_z 81.66 2.13 19.120 0.028 AB
PanSTARRS_y 89.59 9.55 19.019 0.116 AB
2MASS_J 302.91 137.16 16.802 0.492 Vega
2MASS_H -191.85 223.96 Vega
2MASS_K 227.4 236.94 16.170 1.131 Vega
WISE_W1 46.72 9.31 17.027 0.216 Vega
WISE_W2 11.79 13.61 17.882 1.254 Vega
WISE_W3 -35.65 95.16 Vega
WISE_W4 -134.24 403.76 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.166 8.461 8.646
{\rm log}_{10}({\rm SFR}) -2.559 -1.248 -0.148
{\rm log}_{10}({\rm sSFR}) -11.047 -9.821 -8.365
{\rm stellar\ age} 0.233 2.479 5.900

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.102 -0.267 0.042
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.538 -0.697 0.073

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.228 0.619 1.048
\delta -0.513 -0.124 0.218
\tau_1/\tau_2 0.609 1.056 1.491
Q_{PAH} 1.180 2.771 4.985
U_{min} 3.505 9.430 17.267
{\rm log}_{10}(\gamma_e)\, -2.700 -1.483 -0.402

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.198 -0.107 0.232
{\rm log}_{10}(\tau_{AGN})\, 1.183 1.604 1.962

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.978 -2.110 -1.358
0.03-0.10 Gyr -2.732 -1.158 0.009
0.10-0.33 Gyr -2.039 -0.818 -0.083
0.33-1.06 Gyr -3.580 -1.170 -0.630
1.06-3.47 Gyr -5.060 -2.021 -1.172
3.47-11.32 Gyr -5.939 -2.429 -1.402
11.32-12.58 Gyr -5.911 -2.171 -1.152

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.215 9.314 9.436
{\rm log}_{10}({\rm SFR}) -0.378 -0.103 0.148
{\rm log}_{10}({\rm sSFR}) -9.703 -9.427 -9.122
{\rm stellar\ age} 5.889 7.005 8.911

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.182 -0.644 -0.265
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.718 -0.859 0.193

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.033 0.146 0.365
\delta -0.216 0.161 0.337
\tau_1/\tau_2 0.622 1.021 1.431
Q_{PAH} 1.070 2.696 4.891
U_{min} 2.870 8.316 16.094
{\rm log}_{10}(\gamma_e)\, -2.508 -1.415 -0.488

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.182 -1.258 -0.666
{\rm log}_{10}(\tau_{AGN})\, 1.258 1.659 1.937

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.815 -1.075 -0.768
0.03-0.10 Gyr -0.246 0.045 0.301
0.10-0.33 Gyr -1.366 -0.528 -0.215
0.33-1.06 Gyr -1.725 -0.942 -0.617
1.06-3.47 Gyr -1.575 -0.870 -0.581
3.47-11.32 Gyr -0.957 -0.611 -0.436
11.32-12.58 Gyr -0.927 -0.402 0.234