2026ysw results

Information

Transient
Name:AT2026ysw
Right ascension: 15h56m40.76s
Declination:29d49m33.69s
Discovery Date:Aug. 5, 2026, 3:12 p.m.
Classification:None
Redshift:None
MW E(B-V):0.032
Host
Name:J155640.71+294934.88
Object ID:9906632223690579
Catalog Name:decals
Catalog Release:dr9
Right ascension: 15h56m40.71s
Declination:29d49m34.88s
Redshift:None
Photometric Redshift:0.191
 

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_z
 DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 18.71
Transient MWEBV processed 0.16
Host match processed 6.74
Host information processed 0.24
Host MWEBV processed 0.09
Global aperture construction processed 0.73
Global aperture photometry processed 6.44
Validate global photometry processed 18.9
Global host SED inference processed 436.95
Local aperture photometry processed 6.19
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution


 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):15h56m40.71s, 29d49m34.99s
semi major axis, semi minor axis (arcsec):3.51, 3.21
angle (degrees, anti-clockwise from east):346.48
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.76 1.72 22.206 0.393 AB
GALEX_NUV 7.35 1.49 21.734 0.221 AB
SDSS_u 19.93 3.39 20.651 0.184 AB
SDSS_g 45.82 2.03 19.747 0.048 AB
DES_g 44.33 0.39 19.783 0.010 AB
PanSTARRS_g 45.44 0.82 19.756 0.020 AB
SDSS_r 88.36 2.89 19.034 0.036 AB
PanSTARRS_r 85.51 0.91 19.070 0.012 AB
DES_r 94.7 0.92 18.959 0.011 AB
SDSS_i 123.76 4.0 18.669 0.035 AB
PanSTARRS_i 121.73 1.13 18.687 0.010 AB
PanSTARRS_z 138.48 2.25 18.547 0.018 AB
SDSS_z 148.2 11.92 18.473 0.087 AB
DES_z 157.87 2.79 18.404 0.019 AB
PanSTARRS_y 155.22 5.76 18.423 0.040 AB
2MASS_J 74.77 100.81 18.321 1.464 Vega
2MASS_H 291.04 141.68 16.373 0.529 Vega
2MASS_K 147.92 183.39 16.637 1.346 Vega
WISE_W1 96.8 7.76 16.236 0.087 Vega
WISE_W2 75.01 11.3 15.873 0.164 Vega
WISE_W3 170.45 34.1 13.147 0.217 Vega
WISE_W4 271.1 258.22 11.197 1.034 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.035 10.096 10.169
{\rm log}_{10}({\rm SFR}) -0.287 0.086 0.425
{\rm log}_{10}({\rm sSFR}) -10.429 -10.031 -9.638
{\rm stellar\ age} 5.585 6.429 7.438

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.231 -0.744 -0.382
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.636 -0.348 0.256

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.328 0.501
\delta -0.663 -0.339 -0.064
\tau_1/\tau_2 0.845 1.166 1.507
Q_{PAH} 0.473 1.278 2.779
U_{min} 2.702 8.501 16.175
{\rm log}_{10}(\gamma_e)\, -2.939 -2.093 -1.157

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.090 -2.693 -1.587
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.380 1.835

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.689 -0.277 -0.034
0.03-0.10 Gyr -0.256 0.179 0.555
0.10-0.32 Gyr -0.202 0.209 0.498
0.32-1.01 Gyr -0.633 -0.086 0.202
1.01-3.23 Gyr -0.667 -0.026 0.266
3.23-10.27 Gyr 0.062 0.284 0.406
10.27-11.41 Gyr -0.187 0.340 0.829