2026yai results

Information

Transient
Name:AT2026yai
Right ascension: 19h21m21.40s
Declination:50d37m12.50s
Discovery Date:Aug. 7, 2026, 9:05 a.m.
Classification:None
Redshift:None
MW E(B-V):0.065
Host
Name:J192121.32+503710.01
Object ID:9907737713646173
Catalog Name:decals
Catalog Release:dr9
Right ascension: 19h21m21.32s
Declination:50d37m10.01s
Redshift:None
Photometric Redshift:0.072
 

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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 7.41
Transient MWEBV processed 0.05
Host match processed 4.16
Host information processed 0.13
Host MWEBV processed 0.03
Global aperture construction processed 2.52
Global aperture photometry processed 4.31
Validate global photometry processed 11.8
Global host SED inference processed 690.75
Local aperture photometry processed 4.54
Validate local photometry processed 0.03
Local host SED inference processed 478.89
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):19h21m21.40s, 50d37m12.50s
semi major axis, semi minor axis (arcsec):1.45, 1.45
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 4.62 0.21 22.238 0.049 AB
PanSTARRS_g 4.99 0.28 22.155 0.061 AB
PanSTARRS_r 6.53 0.4 21.863 0.066 AB
DES_r 6.85 0.62 21.810 0.098 AB
PanSTARRS_i 7.46 0.57 21.718 0.084 AB
PanSTARRS_z 9.91 0.93 21.410 0.102 AB
DES_z 8.53 0.8 21.573 0.102 AB
PanSTARRS_y 4.6 2.24 22.242 0.529 AB

Aperture details

RA, DEC (J2000):19h21m21.32s, 50d37m10.31s
semi major axis, semi minor axis (arcsec):8.53, 5.22
angle (degrees, anti-clockwise from east):359.76
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.3 0.55 21.602 0.071 AB
GALEX_NUV 9.85 0.42 21.417 0.047 AB
PanSTARRS_g 58.49 1.28 19.482 0.024 AB
PanSTARRS_r 84.94 1.82 19.077 0.023 AB
PanSTARRS_i 102.97 2.61 18.868 0.028 AB
PanSTARRS_z 116.67 4.24 18.733 0.039 AB
PanSTARRS_y 84.02 10.23 19.089 0.132 AB
2MASS_J -68.9 177.14 Vega
2MASS_H -72.01 294.71 Vega
2MASS_K 169.06 312.33 16.492 2.006 Vega
WISE_W1 -28.09 26.71 Vega
WISE_W2 1.58 18.92 20.066 13.018 Vega
WISE_W3 15.09 50.81 15.779 3.655 Vega
WISE_W4 59.48 237.78 12.844 4.340 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.686 8.020 8.190
{\rm log}_{10}({\rm SFR}) -2.384 -1.255 -0.373
{\rm log}_{10}({\rm sSFR}) -10.337 -9.260 -7.953
{\rm stellar\ age} 0.201 2.485 6.141

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.617 -0.965 -0.259
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.518 -0.844 -0.024

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.277 0.685 1.442
\delta -0.329 0.044 0.281
\tau_1/\tau_2 0.604 1.060 1.484
Q_{PAH} 1.185 3.028 5.270
U_{min} 3.243 9.291 17.558
{\rm log}_{10}(\gamma_e)\, -2.784 -1.683 -0.633

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.258 -0.038 0.321
{\rm log}_{10}(\tau_{AGN})\, 0.989 1.507 1.880

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.959 -2.226 -1.453
0.03-0.10 Gyr -2.473 -1.176 -0.212
0.10-0.33 Gyr -3.055 -1.414 -0.663
0.33-1.07 Gyr -4.429 -1.869 -1.223
1.07-3.52 Gyr -5.997 -2.495 -1.640
3.52-11.52 Gyr -6.807 -2.897 -1.824
11.52-12.80 Gyr -7.052 -2.734 -1.683

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.144 9.281 9.407
{\rm log}_{10}({\rm SFR}) -1.275 -0.544 -0.058
{\rm log}_{10}({\rm sSFR}) -10.685 -9.838 -9.376
{\rm stellar\ age} 2.804 5.754 7.434

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.774 -1.423 -0.952
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.816 -1.425 -0.098

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.134 0.442 0.852
\delta -0.120 0.209 0.352
\tau_1/\tau_2 0.557 0.955 1.394
Q_{PAH} 2.599 4.744 6.234
U_{min} 3.897 9.794 17.024
{\rm log}_{10}(\gamma_e)\, -2.785 -1.462 -0.432

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.467 -1.537 -0.574
{\rm log}_{10}(\tau_{AGN})\, 1.041 1.561 1.949

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.363 -1.658 -1.066
0.03-0.10 Gyr -1.246 -0.408 0.098
0.10-0.33 Gyr -0.673 -0.161 0.325
0.33-1.07 Gyr -1.331 -0.517 -0.138
1.07-3.52 Gyr -1.827 -0.689 -0.371
3.52-11.52 Gyr -2.010 -0.797 -0.524
11.52-12.80 Gyr -1.955 -0.723 -0.088