2026afne results

Information

Transient
Name:AT2026afne
Right ascension: 18h57m40.97s
Declination:67d53m20.41s
Discovery Date:Oct. 15, 2026, 5:59 a.m.
Classification:None
Redshift:None
MW E(B-V):0.035
Host
Name:J185740.97+675325.95
Object ID:9907741087043129
Catalog Name:decals
Catalog Release:dr9
Right ascension: 18h57m40.97s
Declination:67d53m25.95s
Redshift:None
Photometric Redshift:0.096
Dataset
Version:0
 
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.08
Transient MWEBV processed 0.04
Host match processed 5.84
Host information processed 0.05
Host MWEBV processed 0.13
Host spectrum download processed 0.11
Global aperture construction processed 0.65
Global aperture photometry processed 4.3
Validate global photometry processed 11.88
Global host SED inference processed 350.74
Local aperture photometry processed 4.2
Validate local photometry processed 0.02
Local host SED inference processed 421.06
 

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})\, 7.764 8.278 8.644
{\rm log}_{10}({\rm SFR}) -2.212 -1.240 -0.685
{\rm log}_{10}({\rm sSFR}) -10.626 -9.607 -8.546
{\rm stellar\ age} 1.208 5.691 7.549

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.372 -0.634 -0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.628 -0.781 0.104

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.800 1.459 2.270
\delta -0.493 -0.034 0.266
\tau_1/\tau_2 0.676 0.987 1.314
Q_{PAH} 0.879 2.270 4.257
U_{min} 2.986 8.921 17.274
{\rm log}_{10}(\gamma_e)\, -3.008 -1.981 -0.824

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.293 -2.423 -0.286
{\rm log}_{10}(\tau_{AGN})\, 1.021 1.430 1.902

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.439 -1.235 -0.593
0.03-0.10 Gyr -2.779 -1.509 -0.812
0.10-0.33 Gyr -3.190 -1.738 -1.072
0.33-1.06 Gyr -3.588 -1.902 -1.303
1.06-3.46 Gyr -3.863 -1.779 -1.266
3.46-11.26 Gyr -4.099 -1.820 -1.262
11.26-12.51 Gyr -4.077 -1.789 -0.981

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.728 9.797 9.861
{\rm log}_{10}({\rm SFR}) -0.740 -0.531 -0.307
{\rm log}_{10}({\rm sSFR}) -10.544 -10.323 -10.070
{\rm stellar\ age} 6.912 7.560 8.674

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.766 -0.428 -0.160
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.554 -0.423 0.250

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.108 0.204 0.364
\delta -0.250 0.111 0.306
\tau_1/\tau_2 0.606 0.915 1.213
Q_{PAH} 0.718 1.663 3.090
U_{min} 2.727 7.159 14.477
{\rm log}_{10}(\gamma_e)\, -3.047 -2.224 -1.219

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.378 -3.361 -2.135
{\rm log}_{10}(\tau_{AGN})\, 1.039 1.501 1.918

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.613 -0.446 -0.283
0.03-0.10 Gyr -0.929 -0.576 -0.270
0.10-0.33 Gyr -1.279 -0.882 -0.567
0.33-1.06 Gyr -1.356 -0.964 -0.670
1.06-3.46 Gyr -1.052 -0.572 -0.278
3.46-11.26 Gyr -0.156 -0.006 0.097
11.26-12.51 Gyr -0.388 0.076 0.532
 

Aperture Photometry


Aperture details

RA, DEC (J2000):18h57m40.97s, 67d53m20.41s
semi major axis, semi minor axis (arcsec):1.13, 1.13
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 3.2 0.29 22.638 0.100 AB
PanSTARRS_z 2.79 0.85 22.786 0.331 AB
PanSTARRS_y 4.93 2.37 22.167 0.522 AB

Aperture details

RA, DEC (J2000):18h57m40.91s, 67d53m25.99s
semi major axis, semi minor axis (arcsec):3.12, 2.88
angle (degrees, anti-clockwise from east):256.97
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.25 2.68 21.373 0.283 AB
GALEX_NUV 12.27 1.96 21.178 0.173 AB
PanSTARRS_g 49.42 0.88 19.665 0.019 AB
PanSTARRS_r 85.52 0.9 19.070 0.011 AB
PanSTARRS_i 118.88 0.77 18.712 0.007 AB
PanSTARRS_z 140.47 2.2 18.531 0.017 AB
PanSTARRS_y 164.22 6.06 18.361 0.040 AB
2MASS_J 343.35 95.05 16.666 0.301 Vega
2MASS_H 161.71 122.11 17.011 0.820 Vega
2MASS_K -249.3 173.99 Vega
WISE_W1 102.37 9.06 16.176 0.096 Vega
WISE_W2 69.03 9.26 15.963 0.146 Vega
WISE_W3 126.68 25.86 13.469 0.222 Vega
WISE_W4 -7.84 161.05 Vega