2025sac

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Information

Transient

Name: AT2025sac
Right ascension: 20h26m10.10s
Declination: -15d19m09.18s
Discovery Date: July 18, 2025, 1:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name:
Right ascension: 20h26m10.10s
Declination: -15d19m09.05s
Redshift: 0.132717
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 26.53
Transient MWEBV processed 0.1
Host match processed 5.7
Host information processed 0.15
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 3.7
Validate global photometry processed 11.41
Global host SED inference processed 526.07
Local aperture photometry processed 4.17
Validate local photometry no valid phot 0.02
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) = 20h26m10.10s, -15d19m09.18s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 20h26m10.10s, -15d19m08.98s
semi major axis, semi minor axis (arcsec) = 6.2, 5.74
angle (degrees, anti-clockwise from east) = -52.76

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 783.98 1.44 16.664 0.002 AB
2MASS_H 1717.44 268.56 14.445 0.170 Vega
WISE_W2 465.73 28.36 13.891 0.066 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})\, 10.539 10.734 10.886
{\rm log}_{10}({\rm SFR}) -0.147 0.733 1.373
{\rm log}_{10}({\rm sSFR}) -10.867 -10.030 -9.400
{\rm stellar\ age} 2.589 6.047 7.931

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.938 -0.373 -0.088
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.033 -0.300 0.190

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.179 0.325 0.529
\delta -0.868 -0.513 -0.028
\tau_1/\tau_2 0.457 0.928 1.420
Q_{PAH} 0.363 1.419 3.907
U_{min} 2.519 7.234 14.385
{\rm log}_{10}(\gamma_e)\, -3.375 -2.189 -0.999

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.458 -3.588 -2.312
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.546 1.921

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.196 0.500 0.954
0.03-0.10 Gyr -0.713 0.712 1.497
0.10-0.32 Gyr -0.910 0.622 1.184
0.32-1.04 Gyr -0.559 0.656 1.426
1.04-3.36 Gyr -0.451 0.638 1.092
3.36-10.86 Gyr -0.459 0.735 1.059
10.86-12.06 Gyr -0.676 0.758 1.527