2025yql

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Information

Transient

Name: AT2025yql
Right ascension: 4h21m40.25s
Declination: -0d13m08.27s
Discovery Date: Sept. 26, 2025, 2:43 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name:
Right ascension: 4h21m39.65s
Declination: -0d13m13.20s
Redshift: None
Photometric Redshift: 0.155
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.96
Transient MWEBV processed 0.04
Host match processed 4.75
Host information processed 0.12
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 6.64
Validate global photometry processed 17.95
Global host SED inference processed 532.8
Local aperture photometry failed 0.03
Validate local photometry not processed None
Local host SED inference not processed None
 

Cutout Download Report

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:
 

Aperture Photometry


Aperture details

RA, DEC (J2000) = 4h21m40.25s, -0d13m08.27s
semi major axis, semi minor axis (arcsec) = 0.75, 0.75
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 4h21m39.62s, -0d13m12.90s
semi major axis, semi minor axis (arcsec) = 7.03, 4.87
angle (degrees, anti-clockwise from east) = -18.01

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.27 3.45 21.482 0.404 AB
GALEX_NUV 14.52 2.32 20.995 0.174 AB
SDSS_u 57.28 3.99 19.505 0.076 AB
SDSS_g 114.23 3.21 18.756 0.030 AB
DES_g 137.06 0.67 18.558 0.005 AB
PanSTARRS_g 136.0 1.52 18.566 0.012 AB
SDSS_r 258.48 4.8 17.869 0.020 AB
PanSTARRS_r 269.81 1.56 17.822 0.006 AB
DES_r 286.21 1.67 17.758 0.006 AB
SDSS_i 377.87 6.06 17.457 0.017 AB
PanSTARRS_i 392.85 2.05 17.414 0.006 AB
PanSTARRS_z 464.85 3.63 17.232 0.008 AB
SDSS_z 453.85 15.12 17.258 0.036 AB
DES_z 500.18 4.08 17.152 0.009 AB
PanSTARRS_y 561.23 9.78 17.027 0.019 AB
2MASS_J 826.66 124.65 15.712 0.164 Vega
2MASS_H 1015.48 192.96 15.016 0.206 Vega
2MASS_K 1047.9 266.79 14.511 0.276 Vega
WISE_W1 376.4 13.06 14.762 0.038 Vega
WISE_W2 297.97 17.21 14.376 0.063 Vega
WISE_W3 750.45 81.36 11.538 0.118 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

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})\, 10.700 10.738 10.792
{\rm log}_{10}({\rm SFR}) 0.520 0.855 1.143
{\rm log}_{10}({\rm sSFR}) -10.243 -9.894 -9.585
{\rm stellar\ age} 6.827 7.499 9.433

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.472 -0.347 -0.250
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.760 -1.029 0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.193 0.276
\delta -0.943 -0.782 -0.492
\tau_1/\tau_2 0.787 1.193 1.632
Q_{PAH} 0.606 1.522 3.138
U_{min} 2.319 6.931 13.753
{\rm log}_{10}(\gamma_e)\, -3.036 -2.215 -1.392

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.007 -2.502 -1.646
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.515 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.318 0.484 0.646
0.03-0.10 Gyr 0.568 0.959 1.271
0.10-0.32 Gyr -0.410 0.144 0.462
0.32-1.03 Gyr -0.733 -0.093 0.224
1.03-3.31 Gyr -0.493 0.178 0.561
3.31-10.63 Gyr 0.622 0.932 1.025
10.63-11.81 Gyr 0.733 1.226 1.758