2025isb results

Information

Transient
Name:AT2025isb
Right ascension: 15h39m12.20s
Declination:12d06m11.92s
Discovery Date:April 21, 2025, 8:33 a.m.
Classification:None
Redshift:None
MW E(B-V):0.035
Host
Name:2025isb
Right ascension: 15h39m12.22s
Declination:12d06m11.51s
Redshift:0.093237
Photometric Redshift:0.105
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
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_z
GALEX_NUV
GALEX_FUV
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 19.0
Transient MWEBV processed 0.04
Host match processed 2.06
Host information processed 0.12
Host MWEBV processed 0.06
Global aperture construction processed 0.69
Global aperture photometry processed 6.88
Validate global photometry processed 18.1
Global host SED inference processed 434.33
Local aperture photometry processed 6.57
Validate local photometry processed 0.02
Local host SED inference processed 480.87
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):15h39m12.20s, 12d06m11.92s
semi major axis, semi minor axis (arcsec):1.16, 1.16
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 83.29 0.75 19.099 0.010 AB
PanSTARRS_i 127.17 0.4 18.639 0.003 AB
PanSTARRS_z 173.36 0.86 18.303 0.005 AB
DES_z 191.71 2.41 18.193 0.014 AB
PanSTARRS_y 226.53 1.74 18.012 0.008 AB

Aperture details

RA, DEC (J2000):15h39m12.21s, 12d06m11.41s
semi major axis, semi minor axis (arcsec):11.96, 5.48
angle (degrees, anti-clockwise from east):-139.2
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 100.29 6.29 18.897 0.068 AB
SDSS_g 231.05 4.47 17.991 0.021 AB
DES_g 207.21 0.81 18.109 0.004 AB
PanSTARRS_g 252.74 1.55 17.893 0.007 AB
SDSS_r 489.84 6.61 17.175 0.015 AB
PanSTARRS_r 506.46 2.15 17.139 0.005 AB
DES_r 464.69 1.96 17.232 0.005 AB
SDSS_i 740.92 8.85 16.726 0.013 AB
PanSTARRS_i 742.31 2.6 16.724 0.004 AB
PanSTARRS_z 940.97 5.66 16.466 0.007 AB
SDSS_z 942.27 18.19 16.465 0.021 AB
DES_z 894.37 5.63 16.521 0.007 AB
PanSTARRS_y 1149.0 11.93 16.249 0.011 AB
2MASS_J 1226.97 231.39 15.283 0.205 Vega
2MASS_H 1391.41 301.28 14.674 0.235 Vega
2MASS_K 2244.87 449.73 13.684 0.218 Vega
WISE_W1 941.69 20.16 13.766 0.023 Vega
WISE_W2 620.93 25.49 13.578 0.045 Vega
WISE_W3 1872.54 104.92 10.545 0.061 Vega
WISE_W4 1994.62 462.17 9.030 0.252 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.922 10.089 10.275
{\rm log}_{10}({\rm SFR}) -0.715 -0.117 0.442
{\rm log}_{10}({\rm sSFR}) -10.893 -10.262 -9.545
{\rm stellar\ age} 5.196 7.374 10.439

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.184 -0.441 -0.018
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.312 -0.617 0.178

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.835 1.336 1.854
\delta -0.377 -0.129 0.140
\tau_1/\tau_2 0.618 1.017 1.399
Q_{PAH} 0.506 2.283 4.520
U_{min} 3.020 8.152 15.362
{\rm log}_{10}(\gamma_e)\, -3.383 -1.813 -0.568

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.955 -1.462 -0.468
{\rm log}_{10}(\tau_{AGN})\, 0.953 1.407 1.893

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.776 -0.141 0.370
0.03-0.10 Gyr -1.127 -0.209 0.488
0.10-0.33 Gyr -1.806 -0.484 0.188
0.33-1.06 Gyr -2.315 -0.514 0.216
1.06-3.46 Gyr -2.174 -0.252 0.266
3.46-11.28 Gyr -0.827 0.128 0.388
11.28-12.54 Gyr -0.548 0.365 1.211

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.650 10.722 10.802
{\rm log}_{10}({\rm SFR}) -0.462 0.178 0.819
{\rm log}_{10}({\rm sSFR}) -11.262 -10.587 -9.891
{\rm stellar\ age} 7.470 9.305 11.781

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.516 -0.319 -0.177
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.362 -0.135 -0.014

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.277 0.393 0.559
\delta -0.722 -0.417 -0.083
\tau_1/\tau_2 0.575 0.995 1.456
Q_{PAH} 1.000 2.173 3.961
U_{min} 2.253 7.425 15.248
{\rm log}_{10}(\gamma_e)\, -3.270 -2.092 -1.266

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.813 -2.567 -1.786
{\rm log}_{10}(\tau_{AGN})\, 0.948 1.323 1.777

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.076 0.321 0.650
0.03-0.10 Gyr -2.202 0.058 0.892
0.10-0.33 Gyr -3.659 -1.268 -0.220
0.33-1.06 Gyr -4.883 -1.604 -0.469
1.06-3.46 Gyr -2.892 -0.983 0.035
3.46-11.28 Gyr -0.756 0.748 0.956
11.28-12.54 Gyr 0.614 1.506 1.939