2025srg

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Information

Transient

Name: AT2025srg
Right ascension: 18h40m31.97s
Declination: 28d36m18.93s
Discovery Date: July 27, 2025, 6:57 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.150

Host

Name: PGC062235
Right ascension: 18h40m32.00s
Declination: 28d36m25.01s
Redshift: 0.010277
Photometric Redshift: 0.011
 

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 3.92
Cutout download processed 16.51
Global aperture construction processed 1.06
Local aperture photometry processed 4.33
Global aperture photometry processed 3.8
Validate local photometry processed 0.02
Validate global photometry processed 10.93
Host information processed 0.16
Global host SED inference processed 1819.25
Local host SED inference processed 630.3
Transient information processed 0.0
Transient MWEBV processed 0.11
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) = 18h40m31.97s, 28d36m18.93s
semi major axis, semi minor axis (arcsec) = 9.49, 9.49
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 1427.25 2.36 16.014 0.002 AB
PanSTARRS_r 2712.75 3.68 15.316 0.001 AB
PanSTARRS_i 3854.28 2.4 14.935 0.001 AB
PanSTARRS_z 4479.32 7.95 14.772 0.002 AB
PanSTARRS_y 5646.38 18.74 14.521 0.004 AB
2MASS_J 6615.28 231.7 13.454 0.038 Vega
2MASS_H 8634.15 379.5 12.692 0.048 Vega
2MASS_K 6603.29 363.21 12.513 0.060 Vega
WISE_W1 1921.97 36.06 12.992 0.020 Vega
WISE_W2 959.33 35.35 13.106 0.040 Vega
WISE_W3 1279.49 74.17 10.958 0.063 Vega

Aperture details

RA, DEC (J2000) = 18h40m31.97s, 28d36m25.07s
semi major axis, semi minor axis (arcsec) = 22.68, 18.44
angle (degrees, anti-clockwise from east) = -146.66

Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 9551.21 5.19 13.950 0.001 AB
PanSTARRS_r 16937.03 8.05 13.328 0.001 AB
PanSTARRS_i 21380.37 5.26 13.075 0.000 AB
PanSTARRS_z 23918.39 17.24 12.953 0.001 AB
PanSTARRS_y 27242.93 40.37 12.812 0.002 AB
2MASS_J 27697.05 502.98 11.899 0.020 Vega
2MASS_H 29727.76 823.04 11.349 0.030 Vega
2MASS_K 21684.19 788.41 11.222 0.039 Vega
WISE_W1 9370.95 86.93 11.272 0.010 Vega
WISE_W2 5057.96 87.02 11.301 0.019 Vega
WISE_W3 4846.59 187.01 9.512 0.042 Vega
WISE_W4 3473.12 973.04 8.428 0.304 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
Warning: possible contaminating objects in the global aperture
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.296 9.376 9.480
{\rm log}_{10}({\rm SFR}) -2.404 -1.537 -1.093
{\rm log}_{10}({\rm sSFR}) -11.818 -10.937 -10.458
{\rm stellar\ age} 7.287 8.286 11.044

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.705 -1.408 -1.151
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.562 -0.007 0.332

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.174 0.283 0.389
\delta -0.937 -0.773 -0.500
\tau_1/\tau_2 0.655 1.006 1.345
Q_{PAH} 0.108 0.403 1.052
U_{min} 2.623 7.899 15.158
{\rm log}_{10}(\gamma_e)\, -3.284 -2.661 -1.884

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.505 -3.563 -2.622
{\rm log}_{10}(\tau_{AGN})\, 1.094 1.655 2.005

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.754 -1.752 -1.257
0.03-0.10 Gyr -2.944 -1.603 -0.997
0.10-0.33 Gyr -3.021 -1.499 -0.902
0.33-1.10 Gyr -2.894 -1.535 -0.971
1.10-3.64 Gyr -2.765 -1.159 -0.634
3.64-12.08 Gyr -0.985 -0.509 -0.366
12.08-13.42 Gyr -0.877 -0.271 0.444

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.992 10.061 10.179
{\rm log}_{10}({\rm SFR}) -2.119 -0.914 -0.247
{\rm log}_{10}({\rm sSFR}) -12.162 -10.982 -10.289
{\rm stellar\ age} 7.486 8.367 12.200

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.907 -1.744 -1.512
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.367 -0.503 0.242

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.020 0.055 0.102
\delta -0.895 -0.614 -0.155
\tau_1/\tau_2 0.578 1.000 1.418
Q_{PAH} 0.276 1.044 3.116
U_{min} 3.261 9.268 17.252
{\rm log}_{10}(\gamma_e)\, -3.265 -2.327 -1.328

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.636 -3.933 -3.095
{\rm log}_{10}(\tau_{AGN})\, 1.180 1.669 1.998

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.883 -1.692 -0.951
0.03-0.10 Gyr -2.559 -0.859 -0.095
0.10-0.33 Gyr -2.971 -0.784 -0.072
0.33-1.10 Gyr -4.048 -1.200 -0.347
1.10-3.64 Gyr -2.866 -0.757 -0.047
3.64-12.08 Gyr -1.059 0.164 0.332
12.08-13.42 Gyr -0.853 0.434 1.270