2025stt

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Information

Transient

Name: AT2025stt
Right ascension: 21h59m44.98s
Declination: 1d51m48.17s
Discovery Date: July 29, 2025, 1:26 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name:
Right ascension: 21h59m45.10s
Declination: 1d51m46.60s
Redshift: None
Photometric Redshift: 0.181
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 31.19
Transient MWEBV processed 0.1
Host match processed 7.2
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 2.72
Global aperture photometry processed 5.85
Validate global photometry processed 17.43
Global host SED inference processed 416.49
Local aperture photometry processed 6.79
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

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) = 21h59m44.98s, 1d51m48.17s
semi major axis, semi minor axis (arcsec) = 0.66, 0.66
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 21h59m45.09s, 1d51m46.85s
semi major axis, semi minor axis (arcsec) = 3.91, 2.69
angle (degrees, anti-clockwise from east) = -83.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.71 0.47 23.320 0.301 AB
GALEX_NUV 2.58 0.44 22.873 0.187 AB
SDSS_u 1.97 2.81 23.164 1.547 AB
SDSS_g 9.5 1.24 21.455 0.141 AB
DES_g 10.68 0.21 21.329 0.021 AB
PanSTARRS_g 8.89 0.69 21.528 0.084 AB
SDSS_r 20.26 1.84 20.633 0.099 AB
PanSTARRS_r 13.17 0.75 21.101 0.062 AB
DES_r 17.66 0.3 20.782 0.019 AB
SDSS_i 23.31 2.75 20.481 0.128 AB
PanSTARRS_i 17.92 0.68 20.767 0.041 AB
PanSTARRS_z 23.74 2.18 20.461 0.100 AB
SDSS_z 21.38 9.06 20.575 0.460 AB
DES_z 19.75 1.82 20.661 0.100 AB
PanSTARRS_y 33.15 6.02 20.099 0.197 AB
2MASS_J -89.54 108.31 Vega
2MASS_H 116.11 150.81 17.370 1.410 Vega
2MASS_K -58.34 182.11 Vega
WISE_W1 23.41 6.64 17.777 0.308 Vega
WISE_W2 15.47 9.23 17.588 0.648 Vega
WISE_W3 -8.02 56.72 Vega
WISE_W4 -402.5 325.65 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.960 9.237 9.423
{\rm log}_{10}({\rm SFR}) -0.561 0.062 0.594
{\rm log}_{10}({\rm sSFR}) -9.887 -9.235 -8.477
{\rm stellar\ age} 0.328 3.156 5.501

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.599 -1.003 -0.209
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.567 -0.314 0.274

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.312 0.689 1.126
\delta -0.027 0.190 0.327
\tau_1/\tau_2 0.662 1.085 1.487
Q_{PAH} 1.288 3.148 5.036
U_{min} 3.103 9.154 16.923
{\rm log}_{10}(\gamma_e)\, -2.835 -1.821 -0.866

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.630 -1.283 -0.401
{\rm log}_{10}(\tau_{AGN})\, 1.052 1.407 1.801

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.116 -0.561 -0.057
0.03-0.10 Gyr -0.569 0.154 0.739
0.10-0.32 Gyr -0.548 0.164 0.703
0.32-1.02 Gyr -2.422 -0.517 -0.018
1.02-3.25 Gyr -3.569 -0.886 -0.414
3.25-10.36 Gyr -3.950 -1.150 -0.573
10.36-11.52 Gyr -4.016 -1.150 -0.340