2025isg

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Information

Transient

Name: AT2025isg
Right ascension: 13h15m01.34s
Declination: -4d19m24.34s
Discovery Date: April 22, 2025, 6:33 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name: 2025isg
Right ascension: 13h15m01.96s
Declination: -4d19m40.64s
Redshift: 0.077100
Photometric Redshift: 0.136
 

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 1.99
Cutout download processed 9.04
Global aperture construction processed 0.72
Local aperture photometry processed 8.14
Global aperture photometry processed 5.6
Validate local photometry processed 0.02
Validate global photometry processed 16.74
Host information processed 0.09
Global host SED inference processed 414.88
Local host SED inference processed 484.26
Transient information processed 0.0
Transient MWEBV processed 0.05
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) = 13h15m01.34s, -4d19m24.34s
semi major axis, semi minor axis (arcsec) = 1.37, 1.37
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 1.64 0.11 23.361 0.071 AB
PanSTARRS_g 1.82 0.3 23.248 0.176 AB
PanSTARRS_r 2.62 0.48 22.855 0.198 AB
DES_r 3.54 0.25 22.526 0.078 AB
PanSTARRS_i 2.78 0.5 22.792 0.196 AB
PanSTARRS_z 3.75 0.86 22.466 0.249 AB
DES_z 3.93 0.65 22.413 0.179 AB
PanSTARRS_y 4.95 1.72 22.164 0.377 AB

Aperture details

RA, DEC (J2000) = 13h15m01.95s, -4d19m40.32s
semi major axis, semi minor axis (arcsec) = 7.43, 4.97
angle (degrees, anti-clockwise from east) = -6.72

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 16.75 3.75 20.840 0.243 AB
GALEX_NUV 31.29 2.09 20.162 0.072 AB
DES_g 212.34 0.89 18.082 0.005 AB
PanSTARRS_g 209.33 1.34 18.098 0.007 AB
PanSTARRS_r 312.07 2.1 17.664 0.007 AB
DES_r 335.29 1.91 17.586 0.006 AB
PanSTARRS_i 392.81 2.19 17.415 0.006 AB
PanSTARRS_z 438.8 3.69 17.294 0.009 AB
DES_z 460.76 5.21 17.241 0.012 AB
PanSTARRS_y 433.38 7.53 17.308 0.019 AB
2MASS_J 475.43 171.63 16.312 0.392 Vega
2MASS_H 476.59 230.36 15.837 0.525 Vega
2MASS_K -119.65 295.24 Vega
WISE_W1 249.53 13.05 15.208 0.057 Vega
WISE_W2 139.24 17.49 15.202 0.136 Vega
WISE_W3 555.01 61.66 11.865 0.121 Vega
WISE_W4 862.04 357.36 9.941 0.450 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})\, 7.426 7.866 8.162
{\rm log}_{10}({\rm SFR}) -1.582 -1.134 -0.670
{\rm log}_{10}({\rm sSFR}) -9.612 -8.987 -8.077
{\rm stellar\ age} 0.305 3.720 6.329

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.390 -0.668 -0.108
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.590 -0.864 0.078

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.937 1.346 1.959
\delta -0.097 0.107 0.279
\tau_1/\tau_2 0.729 1.090 1.486
Q_{PAH} 1.244 3.506 5.659
U_{min} 3.086 8.624 16.620
{\rm log}_{10}(\gamma_e)\, -2.750 -1.675 -0.610

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.327 -0.425 0.217
{\rm log}_{10}(\tau_{AGN})\, 0.895 1.366 1.826

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.435 -0.951 -0.453
0.03-0.10 Gyr -2.286 -1.409 -0.817
0.10-0.33 Gyr -2.749 -1.603 -1.056
0.33-1.07 Gyr -3.954 -1.863 -1.410
1.07-3.50 Gyr -4.832 -2.222 -1.693
3.50-11.46 Gyr -5.463 -2.477 -1.800
11.46-12.74 Gyr -5.642 -2.564 -1.704

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.856 9.938 10.043
{\rm log}_{10}({\rm SFR}) -0.992 -0.238 0.199
{\rm log}_{10}({\rm sSFR}) -10.998 -10.171 -9.733
{\rm stellar\ age} 5.766 6.858 8.243

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.571 -1.250 -0.975
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.788 -0.963 0.207

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.233 0.357
\delta -0.539 -0.140 0.181
\tau_1/\tau_2 0.642 0.996 1.359
Q_{PAH} 1.277 2.619 4.410
U_{min} 3.057 8.570 16.202
{\rm log}_{10}(\gamma_e)\, -2.685 -1.685 -0.763

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.054 -2.761 -1.809
{\rm log}_{10}(\tau_{AGN})\, 0.994 1.479 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.938 -1.157 -0.688
0.03-0.10 Gyr -0.925 -0.106 0.356
0.10-0.33 Gyr -0.195 0.179 0.446
0.33-1.07 Gyr -0.821 -0.130 0.118
1.07-3.50 Gyr -0.596 -0.079 0.155
3.50-11.46 Gyr -0.290 0.039 0.195
11.46-12.74 Gyr -0.536 0.123 0.698