2025spx

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Information

Transient

Name: AT2025spx
Right ascension: 23h57m28.54s
Declination: -5d56m11.26s
Discovery Date: July 30, 2025, 3:08 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.025

Host

Name:
Right ascension: 23h57m28.50s
Declination: -5d56m11.11s
Redshift: None
Photometric Redshift: 0.198
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 7.32
Cutout download processed 51.65
Global aperture construction processed 0.69
Local aperture photometry processed 7.47
Global aperture photometry processed 6.67
Validate local photometry no valid phot 0.03
Validate global photometry processed 18.35
Host information processed 0.15
Global host SED inference processed 464.68
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.06
Processing status blocked 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) = 23h57m28.54s, -5d56m11.26s
semi major axis, semi minor axis (arcsec) = 0.61, 0.61
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) = 23h57m28.48s, -5d56m10.98s
semi major axis, semi minor axis (arcsec) = 3.19, 2.97
angle (degrees, anti-clockwise from east) = -121.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.22 0.28 25.538 1.373 AB
GALEX_NUV 0.69 0.37 24.306 0.584 AB
SDSS_u 4.67 2.69 22.228 0.625 AB
SDSS_g 29.6 1.89 20.222 0.069 AB
DES_g 36.16 0.4 20.004 0.012 AB
PanSTARRS_g 34.81 0.71 20.046 0.022 AB
SDSS_r 93.83 3.01 18.969 0.035 AB
PanSTARRS_r 94.4 0.63 18.963 0.007 AB
DES_r 105.28 0.91 18.844 0.009 AB
SDSS_i 143.12 4.0 18.511 0.030 AB
PanSTARRS_i 149.14 0.87 18.466 0.006 AB
PanSTARRS_z 180.93 2.05 18.256 0.012 AB
SDSS_z 191.94 10.45 18.192 0.059 AB
DES_z 200.08 2.93 18.147 0.016 AB
PanSTARRS_y 212.59 4.12 18.081 0.021 AB
2MASS_J 283.1 90.55 16.875 0.347 Vega
2MASS_H 257.02 136.43 16.507 0.576 Vega
2MASS_K 591.1 170.04 15.133 0.312 Vega
WISE_W1 116.98 8.78 16.031 0.081 Vega
WISE_W2 61.4 14.74 16.091 0.261 Vega
WISE_W3 -29.2 61.94 Vega
WISE_W4 31.15 402.03 13.546 14.013 Vega
 

Imaging data

 

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})\, 10.505 10.576 10.656
{\rm log}_{10}({\rm SFR}) -0.483 0.050 0.494
{\rm log}_{10}({\rm sSFR}) -11.098 -10.529 -10.058
{\rm stellar\ age} 5.884 6.732 8.679

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.180 -0.898 -0.699
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.304 -0.742 -0.205

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.383 0.505 0.626
\delta -0.940 -0.822 -0.659
\tau_1/\tau_2 0.672 1.023 1.396
Q_{PAH} 0.722 2.495 4.645
U_{min} 2.953 8.412 15.236
{\rm log}_{10}(\gamma_e)\, -2.390 -1.287 -0.444

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.354 -3.233 -1.980
{\rm log}_{10}(\tau_{AGN})\, 1.045 1.558 1.927

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.235 0.147 0.408
0.03-0.10 Gyr -0.958 -0.028 0.551
0.10-0.32 Gyr -1.048 -0.110 0.399
0.32-1.01 Gyr -1.123 -0.077 0.409
1.01-3.21 Gyr -0.528 0.342 0.713
3.21-10.19 Gyr 0.462 0.778 0.911
10.19-11.33 Gyr 0.229 0.873 1.588