2025sbu

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Information

Transient

Name: AT2025sbu
Right ascension: 23h56m16.21s
Declination: 29d24m31.39s
Discovery Date: July 24, 2025, 9:23 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.054

Host

Name: PGC072938
Right ascension: 23h56m16.19s
Declination: 29d24m31.36s
Redshift: 0.023173
Photometric Redshift: 0.023
 

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 4.06
Cutout download processed 38.45
Global aperture construction processed 0.62
Local aperture photometry processed 6.65
Global aperture photometry processed 6.05
Validate local photometry processed 0.02
Validate global photometry processed 14.73
Host information processed 0.15
Global host SED inference processed 402.2
Local host SED inference processed 506.32
Transient information processed 0.0
Transient MWEBV processed 0.08
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) = 23h56m16.21s, 29d24m31.39s
semi major axis, semi minor axis (arcsec) = 4.28, 4.28
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 176.62 4.62 18.282 0.028 AB
SDSS_g 667.9 6.79 16.838 0.011 AB
DES_g 705.95 1.85 16.778 0.003 AB
PanSTARRS_g 703.86 1.08 16.781 0.002 AB
SDSS_r 1223.06 9.31 16.181 0.008 AB
PanSTARRS_r 1242.92 1.35 16.164 0.001 AB
DES_r 1340.76 3.61 16.082 0.003 AB
SDSS_i 1676.3 11.12 15.839 0.007 AB
PanSTARRS_i 1704.79 1.49 15.821 0.001 AB
PanSTARRS_z 2052.45 3.55 15.619 0.002 AB
SDSS_z 2130.39 17.25 15.579 0.009 AB
DES_z 2181.35 10.46 15.553 0.005 AB
PanSTARRS_y 2486.41 7.78 15.411 0.003 AB
2MASS_J 2930.45 127.54 14.338 0.047 Vega
2MASS_H 3522.94 182.03 13.665 0.056 Vega
2MASS_K 2621.46 191.17 13.516 0.079 Vega

Aperture details

RA, DEC (J2000) = 23h56m16.17s, 29d24m31.87s
semi major axis, semi minor axis (arcsec) = 27.73, 17.2
angle (degrees, anti-clockwise from east) = -119.43

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 377.85 12.05 17.457 0.035 AB
SDSS_u 712.78 18.01 16.768 0.027 AB
SDSS_g 3256.24 15.88 15.118 0.005 AB
DES_g 3466.54 4.43 15.050 0.001 AB
PanSTARRS_g 3442.77 4.91 15.058 0.002 AB
SDSS_r 5577.83 22.18 14.534 0.004 AB
PanSTARRS_r 5731.32 6.1 14.504 0.001 AB
SDSS_i 7258.15 27.84 14.248 0.004 AB
PanSTARRS_z 8786.14 17.49 14.041 0.002 AB
SDSS_z 8353.65 68.21 14.095 0.009 AB
DES_z 9346.06 22.52 13.973 0.003 AB
PanSTARRS_y 10716.82 39.02 13.825 0.004 AB
WISE_W1 6243.09 56.32 11.713 0.010 Vega
WISE_W2 3887.93 64.31 11.587 0.018 Vega
WISE_W3 15697.16 266.29 8.236 0.018 Vega
WISE_W4 17391.51 1856.13 6.679 0.116 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})\, 9.554 9.678 9.809
{\rm log}_{10}({\rm SFR}) -1.253 -0.700 -0.133
{\rm log}_{10}({\rm sSFR}) -11.013 -10.430 -9.786
{\rm stellar\ age} 5.274 6.963 8.347

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.449 -0.958 -0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.709 -0.375 0.159

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.386 0.718 1.067
\delta -0.547 -0.202 0.228
\tau_1/\tau_2 0.645 0.951 1.303
Q_{PAH} 0.260 1.232 3.319
U_{min} 2.749 8.089 15.130
{\rm log}_{10}(\gamma_e)\, -3.503 -1.914 -0.836

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.377 -2.570 -1.169
{\rm log}_{10}(\tau_{AGN})\, 0.876 1.262 1.786

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.198 -0.761 -0.397
0.03-0.10 Gyr -1.455 -0.725 -0.035
0.10-0.33 Gyr -1.297 -0.496 0.029
0.33-1.10 Gyr -1.121 -0.420 -0.077
1.10-3.65 Gyr -0.728 -0.279 -0.014
3.65-12.10 Gyr -0.618 -0.271 -0.073
12.10-13.45 Gyr -0.803 -0.214 0.276

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.308 10.383 10.476
{\rm log}_{10}({\rm SFR}) -0.171 0.126 0.392
{\rm log}_{10}({\rm sSFR}) -10.593 -10.251 -9.966
{\rm stellar\ age} 7.802 9.140 12.175

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.952 -0.708 -0.538
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.368 -1.066 -0.455

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.234 0.405 0.594
\delta -0.287 -0.017 0.226
\tau_1/\tau_2 0.735 1.100 1.519
Q_{PAH} 0.398 1.086 2.318
U_{min} 2.640 7.256 14.267
{\rm log}_{10}(\gamma_e)\, -3.389 -2.230 -1.633

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.215 -3.216 -2.287
{\rm log}_{10}(\tau_{AGN})\, 1.099 1.602 1.986

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.105 0.135 0.320
0.03-0.10 Gyr -0.463 0.127 0.459
0.10-0.33 Gyr -1.082 -0.181 0.292
0.33-1.10 Gyr -1.539 -0.567 -0.077
1.10-3.65 Gyr -1.548 -0.503 0.052
3.65-12.10 Gyr -0.302 0.421 0.591
12.10-13.45 Gyr 0.361 0.999 1.558