2026eah results

Information

Transient
Name:AT2026eah
Right ascension: 7h58m27.92s
Declination:21d54m50.82s
Discovery Date:Feb. 22, 2026, 4:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.054
Host
Name:1659819
Right ascension: 7h58m27.86s
Declination:21d54m49.97s
Redshift:None
Photometric Redshift:0.035
 

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 19.59
Transient MWEBV processed 0.1
Host match processed 5.78
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.68
Global aperture photometry processed 6.78
Validate global photometry processed 19.9
Global host SED inference processed 370.58
Local aperture photometry processed 6.42
Validate local photometry processed 0.03
Local host SED inference processed 472.76
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h58m27.92s, 21d54m50.82s
semi major axis, semi minor axis (arcsec):2.87, 2.87
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 87.76 3.27 19.042 0.041 AB
SDSS_g 265.94 4.31 17.838 0.018 AB
DES_g 278.57 0.86 17.788 0.003 AB
PanSTARRS_g 279.6 0.8 17.784 0.003 AB
SDSS_r 439.97 5.57 17.291 0.014 AB
PanSTARRS_r 459.85 1.0 17.243 0.002 AB
DES_r 489.71 2.13 17.175 0.005 AB
SDSS_i 584.33 6.56 16.983 0.012 AB
PanSTARRS_i 576.53 1.0 16.998 0.002 AB
PanSTARRS_z 697.84 2.03 16.791 0.003 AB
SDSS_z 723.59 9.22 16.751 0.014 AB
DES_z 739.49 6.18 16.728 0.009 AB
PanSTARRS_y 819.93 4.46 16.616 0.006 AB
2MASS_H 1006.92 99.88 15.025 0.108 Vega

Aperture details

RA, DEC (J2000):7h58m27.92s, 21d54m50.89s
semi major axis, semi minor axis (arcsec):11.66, 7.85
angle (degrees, anti-clockwise from east):-123.07
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 75.27 2.28 19.208 0.033 AB
GALEX_NUV 116.23 1.68 18.737 0.016 AB
SDSS_u 269.16 8.77 17.825 0.035 AB
SDSS_g 741.26 7.6 16.725 0.011 AB
DES_g 763.79 1.52 16.693 0.002 AB
PanSTARRS_g 756.39 2.4 16.703 0.003 AB
SDSS_r 1082.93 9.46 16.314 0.009 AB
PanSTARRS_r 1133.99 3.06 16.263 0.003 AB
DES_r 1220.8 3.55 16.183 0.003 AB
SDSS_i 1371.76 11.63 16.057 0.009 AB
PanSTARRS_i 1388.51 3.15 16.044 0.002 AB
PanSTARRS_z 1568.39 6.53 15.911 0.005 AB
SDSS_z 1551.12 22.84 15.923 0.016 AB
DES_z 1662.28 9.79 15.848 0.006 AB
PanSTARRS_y 1932.35 14.71 15.685 0.008 AB
2MASS_J 1957.58 203.83 14.776 0.113 Vega
2MASS_H 2764.71 343.17 13.928 0.135 Vega
2MASS_K 1433.32 346.54 14.171 0.262 Vega
WISE_W1 1019.95 22.34 13.680 0.024 Vega
WISE_W2 635.92 27.48 13.552 0.047 Vega
WISE_W3 2759.95 129.03 10.124 0.051 Vega
WISE_W4 4500.21 830.48 8.147 0.200 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.359 9.500 9.634
{\rm log}_{10}({\rm SFR}) -0.846 -0.402 0.173
{\rm log}_{10}({\rm sSFR}) -10.403 -9.866 -9.259
{\rm stellar\ age} 4.751 6.811 8.438

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.471 -0.900 -0.450
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.844 -0.280 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.314 0.616 0.962
\delta -0.517 -0.105 0.219
\tau_1/\tau_2 0.689 1.035 1.414
Q_{PAH} 0.685 2.098 3.846
U_{min} 3.008 8.120 15.261
{\rm log}_{10}(\gamma_e)\, -3.420 -1.877 -0.701

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.252 -2.670 -0.969
{\rm log}_{10}(\tau_{AGN})\, 0.947 1.485 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.844 -0.567 -0.236
0.03-0.10 Gyr -0.942 -0.353 0.285
0.10-0.33 Gyr -1.095 -0.483 0.030
0.33-1.09 Gyr -1.224 -0.592 -0.205
1.09-3.62 Gyr -1.155 -0.521 -0.225
3.62-11.96 Gyr -0.913 -0.454 -0.231
11.96-13.29 Gyr -1.093 -0.413 0.167

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.607 9.680 9.745
{\rm log}_{10}({\rm SFR}) -0.073 0.109 0.296
{\rm log}_{10}({\rm sSFR}) -9.785 -9.562 -9.346
{\rm stellar\ age} 5.545 6.566 7.501

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.609 -0.448 -0.319
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.025 0.126 0.239

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.154 0.249 0.381
\delta -0.649 -0.385 -0.171
\tau_1/\tau_2 0.772 1.076 1.403
Q_{PAH} 0.478 1.088 2.084
U_{min} 2.536 6.966 13.076
{\rm log}_{10}(\gamma_e)\, -3.163 -2.389 -1.740

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.349 -3.370 -2.544
{\rm log}_{10}(\tau_{AGN})\, 1.001 1.459 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.331 -0.225 -0.119
0.03-0.10 Gyr -0.014 0.208 0.410
0.10-0.33 Gyr -0.199 0.060 0.289
0.33-1.09 Gyr -0.519 -0.229 -0.040
1.09-3.62 Gyr -0.533 -0.288 -0.110
3.62-11.96 Gyr -0.442 -0.258 -0.126
11.96-13.29 Gyr -0.646 -0.223 0.132