2025srt

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Information

Transient

Name: AT2025srt
Right ascension: 17h45m31.25s
Declination: 16d21m27.22s
Discovery Date: July 29, 2025, 4:38 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.082

Host

Name:
Right ascension: 17h45m31.35s
Declination: 16d21m24.94s
Redshift: 0.077520
Photometric Redshift: 0.082
 

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 8.03
Cutout download processed 43.18
Global aperture construction processed 0.69
Local aperture photometry processed 5.93
Global aperture photometry processed 5.06
Validate local photometry processed 0.03
Validate global photometry processed 14.4
Host information processed 0.16
Global host SED inference processed 391.98
Local host SED inference processed 429.86
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) = 17h45m31.25s, 16d21m27.22s
semi major axis, semi minor axis (arcsec) = 1.36, 1.36
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 18.52 0.16 20.731 0.009 AB
PanSTARRS_g 19.95 0.31 20.650 0.017 AB
PanSTARRS_r 40.43 0.38 19.883 0.010 AB
DES_r 41.15 0.36 19.864 0.010 AB
PanSTARRS_i 56.78 0.52 19.515 0.010 AB
PanSTARRS_z 73.5 1.1 19.234 0.016 AB
DES_z 74.85 1.11 19.215 0.016 AB
PanSTARRS_y 88.86 2.31 19.028 0.028 AB

Aperture details

RA, DEC (J2000) = 17h45m31.36s, 16d21m25.14s
semi major axis, semi minor axis (arcsec) = 16.6, 9.17
angle (degrees, anti-clockwise from east) = -161.91

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.52 4.3 20.855 0.283 AB
GALEX_NUV 26.14 4.86 20.357 0.202 AB
DES_g 526.59 0.98 17.096 0.002 AB
PanSTARRS_i 1481.34 4.57 15.973 0.003 AB
PanSTARRS_z 1823.94 9.81 15.747 0.006 AB
DES_z 1984.49 6.11 15.656 0.003 AB
2MASS_J 2471.41 290.2 14.523 0.127 Vega
2MASS_K 3143.01 489.43 13.319 0.169 Vega
WISE_W1 1484.34 45.76 13.272 0.033 Vega
WISE_W2 905.94 39.07 13.168 0.047 Vega
WISE_W4 2911.73 801.49 8.620 0.299 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})\, 9.296 9.394 9.495
{\rm log}_{10}({\rm SFR}) -2.201 -1.510 -0.765
{\rm log}_{10}({\rm sSFR}) -11.630 -10.946 -10.187
{\rm stellar\ age} 6.019 7.261 8.751

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.317 -0.554 -0.148
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.450 -0.764 -0.077

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.211 0.569 1.012
\delta -0.462 -0.045 0.247
\tau_1/\tau_2 0.630 0.982 1.321
Q_{PAH} 1.297 3.513 5.745
U_{min} 2.974 7.829 14.654
{\rm log}_{10}(\gamma_e)\, -2.957 -1.666 -0.525

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.807 -0.555 -0.102
{\rm log}_{10}(\tau_{AGN})\, 1.168 1.611 1.994

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.530 -1.681 -1.152
0.03-0.10 Gyr -2.358 -1.525 -0.667
0.10-0.33 Gyr -2.277 -1.381 -0.664
0.33-1.07 Gyr -2.148 -1.204 -0.620
1.07-3.50 Gyr -1.613 -0.734 -0.389
3.50-11.46 Gyr -0.842 -0.471 -0.324
11.46-12.73 Gyr -1.064 -0.438 0.183

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.686 10.738 10.788
{\rm log}_{10}({\rm SFR}) -0.255 0.171 0.546
{\rm log}_{10}({\rm sSFR}) -10.968 -10.567 -10.175
{\rm stellar\ age} 6.929 7.603 9.169

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.754 -0.532 -0.366
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.577 -0.660 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.173 0.279 0.425
\delta -0.636 -0.278 0.022
\tau_1/\tau_2 0.692 1.063 1.423
Q_{PAH} 0.500 1.548 3.961
U_{min} 2.534 7.571 14.293
{\rm log}_{10}(\gamma_e)\, -2.791 -1.671 -0.837

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.166 -2.989 -2.058
{\rm log}_{10}(\tau_{AGN})\, 1.070 1.572 1.938

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.499 -0.101 0.149
0.03-0.10 Gyr -0.283 0.239 0.674
0.10-0.33 Gyr -0.221 0.227 0.584
0.33-1.07 Gyr -0.312 0.166 0.467
1.07-3.50 Gyr -0.142 0.453 0.765
3.50-11.46 Gyr 0.703 0.903 1.004
11.46-12.73 Gyr 0.585 1.035 1.582