2025saf

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Information

Transient

Name: AT2025saf
Right ascension: 21h25m22.66s
Declination: -4d49m13.86s
Discovery Date: July 19, 2025, 2:02 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.040

Host

Name:
Right ascension: 21h25m22.63s
Declination: -4d49m07.85s
Redshift: None
Photometric Redshift: 0.131
 

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 6.5
Cutout download processed 32.07
Global aperture construction processed 0.67
Local aperture photometry processed 6.34
Global aperture photometry processed 5.51
Validate local photometry no valid phot 0.03
Validate global photometry processed 13.95
Host information processed 0.15
Global host SED inference processed 490.64
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.05
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) = 21h25m22.66s, -4d49m13.86s
semi major axis, semi minor axis (arcsec) = 0.86, 0.86
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) = 21h25m22.62s, -4d49m07.72s
semi major axis, semi minor axis (arcsec) = 5.3, 4.59
angle (degrees, anti-clockwise from east) = -22.74

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.88 0.65 24.035 0.803 AB
GALEX_NUV 2.39 1.3 22.955 0.592 AB
DES_g 120.34 0.64 18.699 0.006 AB
PanSTARRS_g 125.44 1.04 18.654 0.009 AB
PanSTARRS_r 281.65 1.31 17.776 0.005 AB
DES_r 297.76 1.46 17.715 0.005 AB
PanSTARRS_i 414.33 1.35 17.357 0.004 AB
PanSTARRS_z 521.22 3.28 17.107 0.007 AB
DES_z 566.4 5.12 17.017 0.010 AB
PanSTARRS_y 598.71 8.08 16.957 0.015 AB
2MASS_J 888.63 135.72 15.633 0.166 Vega
2MASS_H 696.71 224.71 15.425 0.350 Vega
2MASS_K 950.03 232.12 14.618 0.265 Vega
WISE_W1 357.12 13.28 14.819 0.040 Vega
WISE_W2 223.63 17.35 14.687 0.084 Vega
WISE_W3 -121.53 70.21 Vega
WISE_W4 -255.72 443.78 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})\, 10.598 10.698 10.837
{\rm log}_{10}({\rm SFR}) -2.983 -0.702 0.161
{\rm log}_{10}({\rm sSFR}) -13.764 -11.441 -10.518
{\rm stellar\ age} 6.519 7.597 11.375

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.603 -1.254 -0.949
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.563 -0.712 0.098

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.353 0.475 0.614
\delta -0.895 -0.724 -0.518
\tau_1/\tau_2 0.503 0.956 1.424
Q_{PAH} 0.694 2.139 4.700
U_{min} 3.601 10.170 18.400
{\rm log}_{10}(\gamma_e)\, -2.666 -1.417 -0.500

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.900 -2.419 -1.490
{\rm log}_{10}(\tau_{AGN})\, 1.065 1.524 1.895

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.123 -1.095 -0.128
0.03-0.10 Gyr -3.920 -0.855 0.254
0.10-0.32 Gyr -3.795 -0.797 0.285
0.32-1.04 Gyr -4.023 -0.996 0.219
1.04-3.37 Gyr -2.974 -0.228 0.728
3.37-10.87 Gyr -1.295 0.753 1.010
10.87-12.08 Gyr -0.249 1.149 1.996