2026ulm results

Information

Transient
Name:AT2026ulm
Right ascension: 16h17m19.93s
Declination:46d07m13.23s
Discovery Date:April 23, 2026, 11:33 a.m.
Classification:None
Redshift:None
MW E(B-V):0.010
Host
Name:J161719.95+460713.27
Object ID:9907736572134940
Catalog Name:decals
Catalog Release:dr9
Right ascension: 16h17m19.95s
Declination:46d07m13.27s
Redshift:None
Photometric Redshift:0.088
 
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 16.37
Transient MWEBV processed 0.04
Host match processed 7.43
Host information processed 0.14
Host MWEBV processed 0.04
Host spectrum download not processed None
Global aperture construction processed 0.64
Global aperture photometry processed 5.01
Validate global photometry processed 14.66
Global host SED inference processed 427.91
Local aperture photometry processed 5.15
Validate local photometry processed 0.02
Local host SED inference processed 425.57
 

Imaging data

 

Spectral Energy Distribution

 

Host Galaxy Spectrum

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.924 9.120 9.271
{\rm log}_{10}({\rm SFR}) -1.379 -0.802 -0.248
{\rm log}_{10}({\rm sSFR}) -10.491 -9.891 -9.316
{\rm stellar\ age} 4.724 6.913 9.202

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.680 -1.264 -0.774
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.474 -0.741 0.083

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.401 0.795
\delta -0.518 -0.075 0.250
\tau_1/\tau_2 0.709 1.055 1.401
Q_{PAH} 0.927 2.666 5.041
U_{min} 3.054 7.994 14.771
{\rm log}_{10}(\gamma_e)\, -2.881 -1.832 -0.679

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.488 -0.679 -0.095
{\rm log}_{10}(\tau_{AGN})\, 1.088 1.488 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.243 -0.851 -0.478
0.03-0.10 Gyr -1.591 -0.803 -0.166
0.10-0.33 Gyr -2.044 -1.076 -0.517
0.33-1.06 Gyr -2.236 -1.228 -0.587
1.06-3.47 Gyr -2.032 -1.036 -0.687
3.47-11.34 Gyr -1.461 -0.846 -0.579
11.34-12.60 Gyr -1.455 -0.703 0.082

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.233 9.435 9.581
{\rm log}_{10}({\rm SFR}) -1.036 -0.614 -0.156
{\rm log}_{10}({\rm sSFR}) -10.537 -10.029 -9.480
{\rm stellar\ age} 2.785 5.468 6.911

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.696 -1.202 -0.540
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.559 -0.676 0.122

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.143 0.264 0.402
\delta -0.750 -0.408 0.020
\tau_1/\tau_2 0.746 1.098 1.452
Q_{PAH} 0.635 1.734 3.582
U_{min} 2.677 7.839 14.795
{\rm log}_{10}(\gamma_e)\, -2.563 -1.376 -0.344

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.809 -2.287 -1.381
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.556 1.943

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.093 -0.791 -0.525
0.03-0.10 Gyr -1.167 -0.573 -0.035
0.10-0.33 Gyr -0.719 -0.180 0.195
0.33-1.06 Gyr -0.677 -0.256 0.080
1.06-3.47 Gyr -0.940 -0.448 -0.205
3.47-11.34 Gyr -1.298 -0.569 -0.276
11.34-12.60 Gyr -1.560 -0.615 -0.102
 

Aperture Photometry


Aperture details

RA, DEC (J2000):16h17m19.93s, 46d07m13.23s
semi major axis, semi minor axis (arcsec):1.21, 1.21
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 35.63 0.33 20.020 0.010 AB
PanSTARRS_i 46.23 0.38 19.738 0.009 AB
PanSTARRS_z 44.87 0.66 19.770 0.016 AB
PanSTARRS_y 47.39 2.49 19.711 0.057 AB

Aperture details

RA, DEC (J2000):16h17m19.95s, 46d07m13.49s
semi major axis, semi minor axis (arcsec):6.5, 2.78
angle (degrees, anti-clockwise from east):-124.97
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 18.61 3.53 20.725 0.206 AB
SDSS_g 76.26 2.53 19.194 0.036 AB
PanSTARRS_g 78.14 1.0 19.168 0.014 AB
SDSS_r 104.49 3.17 18.852 0.033 AB
PanSTARRS_r 102.96 1.06 18.868 0.011 AB
SDSS_i 125.39 4.24 18.654 0.037 AB
PanSTARRS_i 132.82 1.26 18.592 0.010 AB
PanSTARRS_z 135.12 2.22 18.573 0.018 AB
SDSS_z 151.84 11.89 18.446 0.085 AB
PanSTARRS_y 145.37 8.47 18.494 0.063 AB
2MASS_J 156.98 113.47 17.515 0.785 Vega
2MASS_H 157.46 183.91 17.040 1.268 Vega
2MASS_K -381.39 212.2 Vega
WISE_W1 58.56 7.31 16.782 0.136 Vega
WISE_W2 45.96 8.45 16.405 0.200 Vega
WISE_W3 41.98 35.78 14.668 0.925 Vega
WISE_W4 172.74 182.07 11.687 1.144 Vega