2025lyd

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Information

Transient

Name: AT2025lyd
Right ascension: 11h38m09.43s
Declination: 10d52m24.30s
Discovery Date: May 25, 2025, 6:28 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name: 2025lyd
Right ascension: 11h38m09.36s
Declination: 10d52m25.30s
Redshift: None
Photometric Redshift: 0.105
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.44
Transient MWEBV processed 0.05
Host match processed 1.76
Host information processed 0.11
Host MWEBV processed 0.05
Global aperture construction processed 0.68
Global aperture photometry processed 6.65
Validate global photometry processed 19.46
Global host SED inference processed 448.75
Local aperture photometry processed 6.37
Validate local photometry processed 0.03
Local host SED inference processed 585.15
 

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) = 11h38m09.43s, 10d52m24.30s
semi major axis, semi minor axis (arcsec) = 1.04, 1.04
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 45.67 1.89 19.751 0.045 AB
PanSTARRS_y 38.72 1.67 19.930 0.047 AB

Aperture details

RA, DEC (J2000) = 11h38m09.35s, 10d52m25.34s
semi major axis, semi minor axis (arcsec) = 5.55, 4.08
angle (degrees, anti-clockwise from east) = -41.04

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.27 2.84 21.606 0.374 AB
GALEX_NUV 14.86 2.59 20.970 0.189 AB
SDSS_u 53.87 4.2 19.572 0.085 AB
SDSS_g 103.85 3.19 18.859 0.033 AB
DES_g 112.56 0.92 18.772 0.009 AB
PanSTARRS_g 104.03 1.18 18.857 0.012 AB
SDSS_r 175.67 4.02 18.288 0.025 AB
PanSTARRS_r 166.08 1.45 18.349 0.009 AB
DES_r 179.01 1.96 18.268 0.012 AB
SDSS_i 222.27 4.81 18.033 0.023 AB
PanSTARRS_i 223.08 1.67 18.029 0.008 AB
PanSTARRS_z 252.93 3.1 17.893 0.013 AB
SDSS_z 251.37 11.29 17.899 0.049 AB
DES_z 255.43 4.96 17.882 0.021 AB
PanSTARRS_y 293.23 7.5 17.732 0.028 AB
2MASS_J 100.42 145.67 18.001 1.575 Vega
2MASS_H 395.17 206.96 16.040 0.569 Vega
2MASS_K 560.63 268.94 15.191 0.521 Vega
WISE_W1 143.06 12.03 15.812 0.091 Vega
WISE_W2 113.27 15.05 15.426 0.144 Vega
WISE_W3 288.33 71.04 12.576 0.268 Vega
WISE_W4 -207.21 511.21 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.698 9.027 9.282
{\rm log}_{10}({\rm SFR}) -0.766 -0.321 0.168
{\rm log}_{10}({\rm sSFR}) -9.903 -9.365 -8.598
{\rm stellar\ age} 0.964 5.023 7.352

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.619 -0.748 0.006
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.373 -0.710 -0.035

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.326 0.540 0.939
\delta -0.830 -0.451 0.027
\tau_1/\tau_2 0.445 0.873 1.335
Q_{PAH} 0.629 2.331 4.823
U_{min} 3.037 8.616 15.888
{\rm log}_{10}(\gamma_e)\, -3.081 -1.997 -0.718

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.258 -1.214 -0.237
{\rm log}_{10}(\tau_{AGN})\, 0.991 1.459 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.598 -0.168 0.199
0.03-0.10 Gyr -1.812 -0.562 0.192
0.10-0.32 Gyr -2.727 -0.973 -0.226
0.32-1.06 Gyr -2.994 -0.989 -0.222
1.06-3.43 Gyr -3.182 -1.107 -0.600
3.43-11.16 Gyr -3.128 -1.156 -0.634
11.16-12.40 Gyr -3.095 -1.117 -0.299

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.836 9.957 10.065
{\rm log}_{10}({\rm SFR}) 0.007 0.429 0.830
{\rm log}_{10}({\rm sSFR}) -9.991 -9.548 -9.016
{\rm stellar\ age} 5.971 6.977 9.026

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.109 -0.751 -0.527
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.475 0.153 0.361

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.085 0.213 0.346
\delta -0.875 -0.628 -0.224
\tau_1/\tau_2 0.433 0.837 1.256
Q_{PAH} 0.475 1.464 3.120
U_{min} 2.670 7.808 15.032
{\rm log}_{10}(\gamma_e)\, -2.779 -1.732 -0.696

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.012 -2.676 -1.806
{\rm log}_{10}(\tau_{AGN})\, 1.006 1.465 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.960 -0.526 -0.297
0.03-0.10 Gyr 0.129 0.579 0.986
0.10-0.32 Gyr -1.774 -0.147 0.252
0.32-1.06 Gyr -2.115 -0.398 -0.047
1.06-3.43 Gyr -1.352 -0.232 0.059
3.43-11.16 Gyr -0.445 0.052 0.217
11.16-12.40 Gyr -0.375 0.230 0.902