2025ulz

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Information

Transient

Name: AT2025ulz
Right ascension: 15h51m54.20s
Declination: 30d54m08.55s
Discovery Date: Aug. 18, 2025, 4:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name:
Right ascension: 15h51m54.16s
Declination: 30d54m09.29s
Redshift: None
Photometric Redshift: 0.091
 

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 6.18
Cutout download processed 29.77
Global aperture construction processed 0.66
Local aperture photometry processed 6.68
Global aperture photometry processed 5.89
Validate local photometry processed 0.03
Validate global photometry processed 16.97
Host information processed 0.14
Global host SED inference processed 385.77
Local host SED inference processed 520.67
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.05
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) = 15h51m54.20s, 30d54m08.55s
semi major axis, semi minor axis (arcsec) = 1.19, 1.19
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 23.28 0.18 20.483 0.009 AB
DES_r 43.74 1.19 19.798 0.030 AB
PanSTARRS_i 48.61 0.38 19.683 0.008 AB
PanSTARRS_z 55.11 0.87 19.547 0.017 AB
DES_z 83.1 1.55 19.101 0.020 AB
PanSTARRS_y 66.32 2.22 19.346 0.036 AB

Aperture details

RA, DEC (J2000) = 15h51m54.15s, 30d54m09.50s
semi major axis, semi minor axis (arcsec) = 9.3, 2.97
angle (degrees, anti-clockwise from east) = -156.6

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.45 2.74 21.720 0.399 AB
GALEX_NUV 8.6 1.5 21.564 0.189 AB
SDSS_u 15.11 3.85 20.952 0.277 AB
SDSS_g 116.18 3.14 18.737 0.029 AB
DES_g 125.34 0.48 18.655 0.004 AB
PanSTARRS_g 125.18 1.29 18.656 0.011 AB
SDSS_r 223.29 4.46 18.028 0.022 AB
PanSTARRS_r 218.33 1.3 18.052 0.006 AB
DES_r 235.87 2.83 17.968 0.013 AB
SDSS_i 308.29 5.93 17.678 0.021 AB
PanSTARRS_i 309.04 1.61 17.675 0.006 AB
PanSTARRS_z 354.63 3.75 17.526 0.011 AB
SDSS_z 403.91 14.61 17.384 0.039 AB
DES_z 408.12 3.65 17.373 0.010 AB
PanSTARRS_y 439.06 9.6 17.294 0.024 AB
2MASS_J 601.74 126.4 16.057 0.228 Vega
2MASS_H 496.81 226.36 15.792 0.495 Vega
2MASS_K 518.96 207.6 15.274 0.434 Vega
WISE_W1 294.8 10.58 15.027 0.039 Vega
WISE_W2 195.36 15.0 14.834 0.083 Vega
WISE_W3 481.43 43.81 12.020 0.099 Vega
WISE_W4 299.96 237.37 11.087 0.859 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})\, 8.987 9.230 9.345
{\rm log}_{10}({\rm SFR}) -1.378 -0.738 0.042
{\rm log}_{10}({\rm sSFR}) -10.681 -10.005 -9.070
{\rm stellar\ age} 1.704 5.232 6.774

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.692 -0.162 0.089
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.587 -0.592 0.214

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.253 0.697 1.127
\delta -0.478 -0.128 0.211
\tau_1/\tau_2 0.701 1.077 1.476
Q_{PAH} 1.224 3.266 5.781
U_{min} 3.012 8.411 15.800
{\rm log}_{10}(\gamma_e)\, -2.850 -1.541 -0.463

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.685 -0.563 -0.034
{\rm log}_{10}(\tau_{AGN})\, 1.131 1.561 1.992

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.594 -0.908 -0.355
0.03-0.10 Gyr -1.603 -0.736 0.145
0.10-0.33 Gyr -1.171 -0.477 0.086
0.33-1.06 Gyr -1.072 -0.493 -0.104
1.06-3.47 Gyr -1.669 -0.684 -0.420
3.47-11.31 Gyr -2.346 -0.848 -0.561
11.31-12.57 Gyr -2.260 -0.870 -0.328

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.033 10.090 10.158
{\rm log}_{10}({\rm SFR}) -0.811 -0.526 -0.266
{\rm log}_{10}({\rm sSFR}) -10.930 -10.626 -10.358
{\rm stellar\ age} 5.674 6.730 7.726

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.656 -0.394 -0.167
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.570 -0.376 0.222

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.198 0.307 0.466
\delta -0.692 -0.381 -0.078
\tau_1/\tau_2 0.685 1.015 1.344
Q_{PAH} 0.814 1.902 3.609
U_{min} 2.593 7.257 14.631
{\rm log}_{10}(\gamma_e)\, -2.744 -1.840 -0.890

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.148 -2.840 -1.829
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.461 1.875

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.622 -0.406 -0.211
0.03-0.10 Gyr -1.072 -0.600 -0.262
0.10-0.33 Gyr -0.807 -0.316 0.038
0.33-1.06 Gyr -0.344 0.049 0.306
1.06-3.47 Gyr -0.122 0.157 0.365
3.47-11.31 Gyr 0.006 0.219 0.343
11.31-12.57 Gyr -0.303 0.247 0.678