2025zsd

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Information

Transient

Name: AT2025zsd
Right ascension: 5h14m34.04s
Declination: -18d44m51.00s
Discovery Date: Oct. 9, 2025, 12:27 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 5h14m33.99s
Declination: -18d44m50.66s
Redshift: None
Photometric Redshift: 0.076
 

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 5.95
Cutout download processed 6.36
Global aperture construction processed 0.65
Local aperture photometry processed 5.97
Global aperture photometry processed 5.92
Validate local photometry processed 0.02
Validate global photometry processed 14.93
Host information processed 0.11
Global host SED inference processed 438.6
Local host SED inference processed 509.03
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.04
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) = 5h14m34.04s, -18d44m51.00s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 69.12 0.29 19.301 0.005 AB
PanSTARRS_g 59.61 0.43 19.462 0.008 AB
PanSTARRS_r 122.8 0.44 18.677 0.004 AB
DES_r 163.49 0.54 18.366 0.004 AB
PanSTARRS_i 173.65 0.4 18.301 0.002 AB
PanSTARRS_z 236.05 1.07 17.967 0.005 AB
DES_z 294.36 2.46 17.728 0.009 AB
PanSTARRS_y 267.04 2.8 17.834 0.011 AB

Aperture details

RA, DEC (J2000) = 5h14m33.98s, -18d44m50.59s
semi major axis, semi minor axis (arcsec) = 8.83, 6.48
angle (degrees, anti-clockwise from east) = -58.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.03 3.48 21.511 0.419 AB
GALEX_NUV 9.06 2.47 21.507 0.295 AB
DES_g 309.3 0.72 17.674 0.003 AB
PanSTARRS_g 318.27 2.21 17.643 0.008 AB
PanSTARRS_r 637.04 2.21 16.890 0.004 AB
DES_r 701.53 1.23 16.785 0.002 AB
PanSTARRS_i 907.8 2.01 16.505 0.002 AB
PanSTARRS_z 1149.84 5.55 16.248 0.005 AB
DES_z 1247.48 5.35 16.160 0.005 AB
PanSTARRS_y 1345.41 15.07 16.078 0.012 AB
2MASS_J 1957.88 173.69 14.776 0.096 Vega
2MASS_H 2305.1 262.31 14.126 0.124 Vega
2MASS_K 2187.78 316.64 13.712 0.157 Vega
WISE_W1 770.31 17.67 13.984 0.025 Vega
WISE_W2 423.52 21.65 13.994 0.055 Vega
WISE_W3 430.62 79.15 12.141 0.200 Vega
WISE_W4 663.64 441.84 10.225 0.723 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})\, 9.740 9.841 9.923
{\rm log}_{10}({\rm SFR}) -1.046 -0.508 0.013
{\rm log}_{10}({\rm sSFR}) -10.888 -10.364 -9.778
{\rm stellar\ age} 5.600 7.177 8.986

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.559 -0.290 -0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -1.073 0.106

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.265 0.531 0.885
\delta -0.821 -0.519 -0.117
\tau_1/\tau_2 0.749 1.084 1.420
Q_{PAH} 1.881 3.855 5.776
U_{min} 3.046 8.360 15.305
{\rm log}_{10}(\gamma_e)\, -3.105 -1.846 -0.658

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.486 -1.266 -0.535
{\rm log}_{10}(\tau_{AGN})\, 0.884 1.446 1.912

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.966 -0.518 -0.156
0.03-0.10 Gyr -1.229 -0.537 0.086
0.10-0.33 Gyr -1.293 -0.573 -0.027
0.33-1.07 Gyr -1.277 -0.503 -0.005
1.07-3.51 Gyr -1.055 -0.268 0.056
3.51-11.47 Gyr -0.438 -0.073 0.103
11.47-12.75 Gyr -0.570 0.036 0.668

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.513 10.569 10.671
{\rm log}_{10}({\rm SFR}) -1.764 -0.687 -0.067
{\rm log}_{10}({\rm sSFR}) -12.324 -11.257 -10.604
{\rm stellar\ age} 7.421 8.318 11.721

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.132 -0.831 -0.637
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.567 -0.514 0.259

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.238 0.362 0.516
\delta -0.825 -0.507 -0.178
\tau_1/\tau_2 0.559 0.971 1.413
Q_{PAH} 0.264 0.777 1.798
U_{min} 3.305 9.300 17.266
{\rm log}_{10}(\gamma_e)\, -2.566 -1.345 -0.616

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.532 -3.706 -2.695
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.574 1.940

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.580 -1.246 -0.620
0.03-0.10 Gyr -1.978 -0.642 0.069
0.10-0.33 Gyr -2.946 -0.750 0.031
0.33-1.07 Gyr -3.496 -1.016 -0.196
1.07-3.51 Gyr -2.537 -0.481 0.297
3.51-11.47 Gyr -0.429 0.704 0.852
11.47-12.75 Gyr 0.015 1.061 1.785