2025ydl results

Information

Transient
Name:AT2025ydl
Right ascension: 22h46m10.54s
Declination:4d25m00.97s
Discovery Date:Sept. 14, 2025, 5:53 a.m.
Classification:None
Redshift:None
MW E(B-V):0.044
Host
Name:
Right ascension: 22h46m10.53s
Declination:4d25m00.90s
Redshift:None
Photometric Redshift:0.073
 

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: completed

Task Name Status Time (s)
Cutout download processed 17.26
Transient MWEBV processed 0.08
Host match processed 5.24
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 6.42
Validate global photometry processed 17.55
Global host SED inference processed 434.51
Local aperture photometry processed 6.67
Validate local photometry processed 0.02
Local host SED inference processed 468.15
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):22h46m10.54s, 4d25m00.97s
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
SDSS_g 51.15 1.89 19.628 0.040 AB
DES_g 63.13 0.38 19.399 0.007 AB
PanSTARRS_g 59.28 0.35 19.468 0.006 AB
SDSS_r 109.44 2.8 18.802 0.028 AB
PanSTARRS_r 117.06 0.52 18.729 0.005 AB
DES_r 136.51 1.0 18.562 0.008 AB
SDSS_i 160.12 3.49 18.389 0.024 AB
PanSTARRS_i 183.59 0.38 18.240 0.002 AB
PanSTARRS_z 228.81 1.18 18.001 0.006 AB
SDSS_z 215.74 5.82 18.065 0.029 AB
DES_z 260.94 3.15 17.859 0.013 AB
PanSTARRS_y 264.76 3.46 17.843 0.014 AB

Aperture details

RA, DEC (J2000):22h46m10.52s, 4d25m01.10s
semi major axis, semi minor axis (arcsec):6.83, 6.23
angle (degrees, anti-clockwise from east):-49.18
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 17.18 2.95 20.812 0.186 AB
GALEX_NUV 21.08 2.13 20.590 0.110 AB
SDSS_u 42.26 5.32 19.835 0.137 AB
SDSS_g 188.73 3.95 18.210 0.023 AB
DES_g 206.22 0.83 18.114 0.004 AB
PanSTARRS_g 212.37 1.46 18.082 0.007 AB
SDSS_r 365.16 5.89 17.494 0.018 AB
PanSTARRS_r 382.03 2.17 17.445 0.006 AB
DES_r 410.49 1.92 17.367 0.005 AB
SDSS_i 532.47 8.07 17.084 0.016 AB
PanSTARRS_i 534.51 1.55 17.080 0.003 AB
PanSTARRS_z 647.74 5.1 16.871 0.009 AB
SDSS_z 605.32 20.98 16.945 0.038 AB
DES_z 685.5 5.36 16.810 0.008 AB
PanSTARRS_y 745.55 15.39 16.719 0.022 AB
2MASS_J 906.2 170.0 15.612 0.204 Vega
2MASS_H 676.75 293.7 15.456 0.471 Vega
2MASS_K 1043.81 298.91 14.516 0.311 Vega
WISE_W1 392.52 18.5 14.716 0.051 Vega
WISE_W2 221.22 22.54 14.699 0.111 Vega
WISE_W3 146.48 88.62 13.312 0.657 Vega
WISE_W4 -88.13 545.77 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.648 9.780 9.891
{\rm log}_{10}({\rm SFR}) -0.941 -0.486 0.008
{\rm log}_{10}({\rm sSFR}) -10.764 -10.270 -9.738
{\rm stellar\ age} 4.646 6.790 8.391

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.123 -0.514 -0.189
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.792 -1.245 0.046

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.408 0.816 1.273
\delta -0.703 -0.317 -0.018
\tau_1/\tau_2 0.711 1.041 1.383
Q_{PAH} 0.873 2.668 4.971
U_{min} 2.930 7.771 14.536
{\rm log}_{10}(\gamma_e)\, -3.194 -1.964 -0.756

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.819 -1.813 -0.684
{\rm log}_{10}(\tau_{AGN})\, 0.886 1.364 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.918 -0.545 -0.191
0.03-0.10 Gyr -1.104 -0.488 0.082
0.10-0.33 Gyr -1.177 -0.492 0.052
0.33-1.07 Gyr -1.150 -0.374 0.122
1.07-3.52 Gyr -0.993 -0.245 0.045
3.52-11.52 Gyr -0.624 -0.156 0.048
11.52-12.80 Gyr -0.731 -0.065 0.492

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.239 10.320 10.365
{\rm log}_{10}({\rm SFR}) -0.598 -0.293 0.036
{\rm log}_{10}({\rm sSFR}) -10.922 -10.603 -10.261
{\rm stellar\ age} 8.446 11.444 12.057

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.870 -0.688 -0.566
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.570 0.131 0.381

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.066 0.145 0.276
\delta -0.568 -0.225 0.044
\tau_1/\tau_2 0.812 1.277 1.678
Q_{PAH} 0.860 2.382 4.431
U_{min} 2.919 8.605 15.924
{\rm log}_{10}(\gamma_e)\, -2.691 -1.400 -0.571

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.106 -2.943 -2.025
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.542 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.823 -0.530 -0.333
0.03-0.10 Gyr -0.618 -0.223 0.151
0.10-0.33 Gyr -2.029 -0.764 -0.292
0.33-1.07 Gyr -3.112 -1.208 -0.636
1.07-3.52 Gyr -3.198 -1.337 -0.656
3.52-11.52 Gyr -1.608 -0.260 0.452
11.52-12.80 Gyr 0.737 1.410 1.499