2025tld

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Information

Transient

Name: AT2025tld
Right ascension: 1h51m13.02s
Declination: -3d29m23.04s
Discovery Date: Aug. 5, 2025, 1:39 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name: 01511122-0329548
Right ascension: 1h51m11.23s
Declination: -3d29m54.80s
Redshift: 0.016928
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 3.76
Cutout download processed 38.52
Global aperture construction processed 0.65
Local aperture photometry processed 6.76
Global aperture photometry processed 6.35
Validate local photometry processed 0.03
Validate global photometry processed 17.0
Host information processed 0.16
Global host SED inference processed 590.74
Local host SED inference processed 457.3
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.06
Processing status completed N/A N/A
 

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) = 1h51m13.02s, -3d29m23.04s
semi major axis, semi minor axis (arcsec) = 5.81, 5.81
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 17.84 3.07 20.772 0.187 AB
GALEX_NUV 12.04 1.71 21.198 0.154 AB
SDSS_u 47.01 5.53 19.720 0.128 AB
SDSS_g 55.67 2.57 19.536 0.050 AB
DES_g 55.65 0.44 19.536 0.008 AB
PanSTARRS_g 44.19 1.44 19.787 0.035 AB
SDSS_r 54.58 3.42 19.557 0.068 AB
PanSTARRS_r 55.06 1.83 19.548 0.036 AB
DES_r 72.42 0.55 19.250 0.008 AB
SDSS_i 57.06 4.86 19.509 0.093 AB
PanSTARRS_i 59.82 1.6 19.458 0.029 AB
PanSTARRS_z 70.77 3.29 19.275 0.051 AB
SDSS_z 62.56 15.52 19.409 0.269 AB
DES_z 73.61 1.61 19.233 0.024 AB
PanSTARRS_y 71.94 10.54 19.258 0.159 AB
2MASS_J 210.41 115.13 17.197 0.594 Vega
2MASS_H -101.06 164.42 Vega
2MASS_K 59.27 210.19 17.630 3.850 Vega

Aperture details

RA, DEC (J2000) = 1h51m11.26s, -3d29m54.71s
semi major axis, semi minor axis (arcsec) = 45.66, 24.4
angle (degrees, anti-clockwise from east) = -136.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 711.42 19.82 16.770 0.030 AB
GALEX_NUV 860.23 13.95 16.563 0.018 AB
SDSS_u 3003.85 33.78 15.206 0.012 AB
SDSS_r 7031.9 27.16 14.282 0.004 AB
PanSTARRS_r 6814.04 11.34 14.316 0.002 AB
SDSS_i 8166.24 34.7 14.120 0.005 AB
PanSTARRS_i 8057.82 9.68 14.134 0.001 AB
PanSTARRS_z 8776.49 19.15 14.042 0.002 AB
SDSS_z 8568.52 92.09 14.068 0.012 AB
PanSTARRS_y 10174.03 63.62 13.881 0.007 AB
2MASS_J 11136.13 664.24 12.888 0.065 Vega
2MASS_H 10597.39 948.66 12.469 0.097 Vega
2MASS_K 9790.5 1212.38 12.085 0.134 Vega
WISE_W1 4898.46 80.9 11.976 0.018 Vega
WISE_W2 2937.57 100.06 11.891 0.037 Vega
WISE_W3 6857.7 429.96 9.136 0.068 Vega
WISE_W4 10054.77 2083.73 7.274 0.225 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 6.996 7.502 7.827
{\rm log}_{10}({\rm SFR}) -1.499 -1.121 -0.713
{\rm log}_{10}({\rm sSFR}) -9.125 -8.576 -7.937
{\rm stellar\ age} 0.167 4.391 7.342

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.678 -0.854 -0.059
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.536 -0.714 0.089

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.169 0.511 1.050
\delta -0.373 0.054 0.227
\tau_1/\tau_2 0.442 0.863 1.336
Q_{PAH} 0.704 1.977 4.391
U_{min} 3.536 9.891 18.064
{\rm log}_{10}(\gamma_e)\, -3.369 -2.273 -1.023

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.875 -2.127 -0.768
{\rm log}_{10}(\tau_{AGN})\, 1.037 1.446 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.955 -1.704 -1.393
0.03-0.10 Gyr -1.397 -0.996 -0.583
0.10-0.33 Gyr -4.364 -2.546 -1.733
0.33-1.10 Gyr -5.826 -3.014 -2.266
1.10-3.67 Gyr -5.781 -2.930 -2.225
3.67-12.18 Gyr -6.163 -2.966 -2.180
12.18-13.53 Gyr -6.317 -2.982 -1.936

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.158 9.349 9.488
{\rm log}_{10}({\rm SFR}) 0.261 0.638 0.946
{\rm log}_{10}({\rm sSFR}) -9.205 -8.729 -8.231
{\rm stellar\ age} 0.642 2.841 4.978

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.190 -0.073 0.040
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.105 -0.040 0.341

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.191 0.256
\delta -0.938 -0.810 -0.612
\tau_1/\tau_2 0.503 0.906 1.328
Q_{PAH} 0.117 0.354 0.728
U_{min} 2.350 6.962 14.104
{\rm log}_{10}(\gamma_e)\, -3.737 -3.197 -2.528

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.046 -3.025 -2.295
{\rm log}_{10}(\tau_{AGN})\, 0.955 1.358 1.834

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.791 -0.626 -0.190
0.03-0.10 Gyr 0.389 0.790 1.108
0.10-0.33 Gyr -0.918 0.411 0.730
0.33-1.10 Gyr -1.768 -0.372 0.146
1.10-3.67 Gyr -2.424 -0.810 -0.382
3.67-12.18 Gyr -2.990 -1.159 -0.644
12.18-13.53 Gyr -3.278 -1.197 -0.529