2026hdw results

Information

Transient
Name:AT2026hdw
Right ascension: 12h13m22.54s
Declination:30d28m09.93s
Discovery Date:March 24, 2026, 8:41 a.m.
Classification:None
Redshift:None
MW E(B-V):0.015
Host
Name:J121322.50+302809.73
Right ascension: 12h13m22.50s
Declination:30d28m09.73s
Redshift:0.106319
Photometric Redshift:None
 

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 19.89
Transient MWEBV processed 0.04
Host match processed 5.97
Host information processed 0.14
Host MWEBV processed 0.06
Global aperture construction processed 0.66
Global aperture photometry processed 5.07
Validate global photometry processed 16.02
Global host SED inference processed 424.04
Local aperture photometry processed 4.74
Validate local photometry processed 0.02
Local host SED inference processed 816.54
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):12h13m22.54s, 30d28m09.93s
semi major axis, semi minor axis (arcsec):1.03, 1.03
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 292.25 1.67 17.736 0.006 AB

Aperture details

RA, DEC (J2000):12h13m22.50s, 30d28m10.11s
semi major axis, semi minor axis (arcsec):10.76, 8.89
angle (degrees, anti-clockwise from east):-168.68
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 27.88 5.81 20.287 0.226 AB
GALEX_NUV 38.58 4.75 19.934 0.134 AB
SDSS_u 98.22 7.65 18.920 0.085 AB
SDSS_g 515.38 6.5 17.120 0.014 AB
PanSTARRS_g 533.27 2.22 17.083 0.005 AB
SDSS_r 1029.15 9.34 16.369 0.010 AB
PanSTARRS_r 1039.02 2.81 16.358 0.003 AB
SDSS_i 1437.99 12.68 16.006 0.010 AB
PanSTARRS_i 1354.36 3.49 16.071 0.003 AB
PanSTARRS_z 1805.32 7.47 15.759 0.004 AB
SDSS_z 1856.4 29.18 15.728 0.017 AB
PanSTARRS_y 2108.28 15.49 15.590 0.008 AB
2MASS_J 2545.69 203.91 14.491 0.087 Vega
2MASS_H 2977.86 361.15 13.848 0.132 Vega
2MASS_K 2784.26 338.81 13.450 0.132 Vega
WISE_W1 1335.47 24.47 13.387 0.020 Vega
WISE_W2 830.89 28.74 13.262 0.038 Vega
WISE_W3 1348.3 125.72 10.902 0.101 Vega
WISE_W4 583.44 490.28 10.365 0.912 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.507 9.937 10.195
{\rm log}_{10}({\rm SFR}) -0.062 0.527 1.015
{\rm log}_{10}({\rm sSFR}) -10.122 -9.426 -8.584
{\rm stellar\ age} 1.656 5.788 8.184

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.613 -0.138 0.103
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.021 -0.411 0.188

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.358 0.740 1.198
\delta -0.740 -0.281 0.079
\tau_1/\tau_2 0.549 0.983 1.516
Q_{PAH} 0.377 1.749 3.762
U_{min} 3.112 8.544 15.579
{\rm log}_{10}(\gamma_e)\, -3.260 -1.857 -0.765

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.167 -2.354 -0.549
{\rm log}_{10}(\tau_{AGN})\, 0.916 1.396 1.866

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.049 0.498 0.992
0.03-0.10 Gyr -0.773 0.347 1.067
0.10-0.32 Gyr -1.673 -0.246 0.477
0.32-1.06 Gyr -1.812 -0.228 0.411
1.06-3.43 Gyr -2.072 -0.303 0.225
3.43-11.14 Gyr -1.879 -0.194 0.311
11.14-12.38 Gyr -1.718 -0.109 0.780

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.968 10.999 11.069
{\rm log}_{10}({\rm SFR}) -0.084 0.256 0.607
{\rm log}_{10}({\rm sSFR}) -11.099 -10.762 -10.411
{\rm stellar\ age} 7.234 7.978 10.453

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.457 -0.351 -0.271
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.438 -0.626 0.066

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.077 0.117 0.174
\delta -0.796 -0.515 -0.191
\tau_1/\tau_2 0.605 1.009 1.434
Q_{PAH} 0.751 2.748 5.064
U_{min} 2.653 7.816 14.844
{\rm log}_{10}(\gamma_e)\, -1.878 -0.766 -0.251

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.291 -3.116 -2.034
{\rm log}_{10}(\tau_{AGN})\, 1.168 1.655 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.679 -0.171 0.054
0.03-0.10 Gyr -0.061 0.359 0.751
0.10-0.32 Gyr 0.013 0.414 0.705
0.32-1.06 Gyr -0.230 0.278 0.535
1.06-3.43 Gyr -0.291 0.367 0.752
3.43-11.14 Gyr 0.708 1.181 1.274
11.14-12.38 Gyr 0.960 1.490 2.105