2026hdv results

Information

Transient
Name:AT2026hdv
Right ascension: 11h23m49.12s
Declination:37d05m17.36s
Discovery Date:March 20, 2026, 8:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.021
Host
Name:34998
Right ascension: 11h23m48.95s
Declination:37d05m10.76s
Redshift:0.036502
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 18.97
Transient MWEBV processed 0.1
Host match processed 4.41
Host information processed 0.11
Host MWEBV processed 0.08
Global aperture construction processed 0.67
Global aperture photometry processed 4.26
Validate global photometry processed 12.42
Global host SED inference processed 387.75
Local aperture photometry processed 4.46
Validate local photometry processed 0.02
Local host SED inference processed 448.13
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):11h23m49.12s, 37d05m17.36s
semi major axis, semi minor axis (arcsec):2.76, 2.76
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 55.69 2.47 19.536 0.048 AB
SDSS_g 168.66 3.44 18.333 0.022 AB
PanSTARRS_g 197.14 1.09 18.163 0.006 AB
SDSS_r 295.68 4.61 17.723 0.017 AB
PanSTARRS_r 321.02 0.82 17.634 0.003 AB
SDSS_i 415.55 5.71 17.353 0.015 AB
PanSTARRS_i 415.94 0.74 17.352 0.002 AB
PanSTARRS_z 510.41 1.8 17.130 0.004 AB
SDSS_z 504.38 9.4 17.143 0.020 AB
PanSTARRS_y 635.79 4.08 16.892 0.007 AB

Aperture details

RA, DEC (J2000):11h23m48.98s, 37d05m11.12s
semi major axis, semi minor axis (arcsec):19.98, 11.34
angle (degrees, anti-clockwise from east):-126.5
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 133.11 12.22 18.589 0.100 AB
GALEX_NUV 220.02 9.58 18.044 0.047 AB
SDSS_g 3140.01 15.01 15.158 0.005 AB
PanSTARRS_r 6000.53 4.31 14.455 0.001 AB
PanSTARRS_i 7900.66 3.96 14.156 0.001 AB
PanSTARRS_z 9975.34 9.69 13.903 0.001 AB
SDSS_z 9981.15 48.36 13.902 0.005 AB
PanSTARRS_y 12294.47 22.22 13.676 0.002 AB
2MASS_J 15404.2 306.43 12.536 0.022 Vega
2MASS_H 18427.2 478.89 11.869 0.028 Vega
2MASS_K 16989.58 489.89 11.487 0.031 Vega
WISE_W1 8431.16 45.44 11.386 0.006 Vega
WISE_W2 5243.39 52.38 11.262 0.011 Vega
WISE_W3 21359.06 255.53 7.902 0.013 Vega
WISE_W4 21153.27 2202.14 6.467 0.113 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.315 9.494 9.606
{\rm log}_{10}({\rm SFR}) -0.836 -0.350 0.070
{\rm log}_{10}({\rm sSFR}) -10.358 -9.868 -9.330
{\rm stellar\ age} 4.439 7.203 9.185

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.307 -0.628 -0.254
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.456 -0.184 0.179

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.285 0.897 1.261
\delta -0.467 -0.009 0.252
\tau_1/\tau_2 0.698 1.064 1.426
Q_{PAH} 0.284 1.400 3.290
U_{min} 2.684 7.688 14.964
{\rm log}_{10}(\gamma_e)\, -3.335 -2.117 -1.108

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.214 -2.073 -0.498
{\rm log}_{10}(\tau_{AGN})\, 0.952 1.392 1.914

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.956 -0.503 -0.208
0.03-0.10 Gyr -0.897 -0.317 0.163
0.10-0.33 Gyr -1.222 -0.537 0.040
0.33-1.09 Gyr -1.551 -0.749 -0.199
1.09-3.61 Gyr -1.646 -0.698 -0.305
3.61-11.94 Gyr -1.149 -0.485 -0.269
11.94-13.27 Gyr -1.240 -0.368 0.307

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.712 10.764 10.824
{\rm log}_{10}({\rm SFR}) 0.095 0.358 0.602
{\rm log}_{10}({\rm sSFR}) -10.691 -10.407 -10.153
{\rm stellar\ age} 6.746 7.550 8.687

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.427 -0.247 -0.072
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.959 -0.325 0.217

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.270 0.379 0.522
\delta -0.551 -0.304 -0.079
\tau_1/\tau_2 0.586 0.949 1.299
Q_{PAH} 1.462 2.859 4.664
U_{min} 2.194 6.525 13.151
{\rm log}_{10}(\gamma_e)\, -2.650 -1.777 -1.210

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.835 -2.663 -1.739
{\rm log}_{10}(\tau_{AGN})\, 1.222 1.723 2.023

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.191 0.320 0.605
0.03-0.10 Gyr -0.182 0.344 0.698
0.10-0.33 Gyr -0.217 0.375 0.725
0.33-1.09 Gyr 0.000 0.437 0.679
1.09-3.61 Gyr 0.318 0.669 0.890
3.61-11.94 Gyr 0.718 0.889 0.991
11.94-13.27 Gyr 0.593 0.988 1.435