2025gsi

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Information

Transient

Name: AT2025gsi
Right ascension: 12h58m07.22s
Declination: -30d28m14.43s
Discovery Date: April 2, 2025, 1:09 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.079

Host

Name: 2025gsi
Right ascension: 12h58m07.25s
Declination: -30d28m11.74s
Redshift: 0.075899
Photometric Redshift:
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 0.97
Cutout download processed 3.18
Global aperture construction processed 0.64
Local aperture photometry processed 3.83
Global aperture photometry processed 3.91
Validate local photometry processed 0.02
Validate global photometry processed 9.33
Host information processed 0.08
Global host SED inference processed 410.37
Local host SED inference processed 408.19
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Log transient processing status 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) = 12h58m07.22s, -30d28m14.43s
semi major axis, semi minor axis (arcsec) = 1.39, 1.39
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 48.57 0.58 19.684 0.013 AB
PanSTARRS_r 73.78 1.09 19.230 0.016 AB
PanSTARRS_i 116.27 0.89 18.736 0.008 AB
PanSTARRS_z 132.27 1.84 18.596 0.015 AB
PanSTARRS_y 155.78 4.11 18.419 0.029 AB

Aperture details

RA, DEC (J2000) = 12h58m07.21s, -30d28m11.88s
semi major axis, semi minor axis (arcsec) = 16.76, 5.25
angle (degrees, anti-clockwise from east) = -162.63

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 516.93 3.62 17.116 0.008 AB
PanSTARRS_i 1229.24 5.73 16.176 0.005 AB
PanSTARRS_z 1412.32 12.08 16.025 0.009 AB
PanSTARRS_y 1765.71 27.42 15.783 0.017 AB
2MASS_J 1882.04 240.94 14.819 0.139 Vega
2MASS_H 2690.16 331.7 13.958 0.134 Vega
2MASS_K 2866.63 420.62 13.419 0.159 Vega
WISE_W2 814.6 29.67 13.284 0.040 Vega
WISE_W3 4035.15 96.64 9.711 0.026 Vega
WISE_W4 3627.31 654.97 8.381 0.196 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.348 9.506 9.620
{\rm log}_{10}({\rm SFR}) -0.767 -0.312 0.076
{\rm log}_{10}({\rm sSFR}) -10.322 -9.835 -9.353
{\rm stellar\ age} 4.237 6.451 7.898

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.318 -0.714 -0.301
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.580 -0.840 -0.097

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.344 0.718 1.077
\delta -0.595 -0.146 0.149
\tau_1/\tau_2 0.671 1.022 1.346
Q_{PAH} 0.477 1.905 4.572
U_{min} 2.922 7.992 14.465
{\rm log}_{10}(\gamma_e)\, -3.369 -2.400 -0.961

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.506 -1.449 -0.382
{\rm log}_{10}(\tau_{AGN})\, 0.962 1.360 1.805

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.704 -0.402 -0.103
0.03-0.10 Gyr -0.898 -0.303 0.149
0.10-0.33 Gyr -0.971 -0.386 0.097
0.33-1.07 Gyr -1.088 -0.531 -0.081
1.07-3.51 Gyr -1.053 -0.493 -0.233
3.51-11.48 Gyr -0.917 -0.434 -0.222
11.48-12.75 Gyr -1.065 -0.397 0.119

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.354 10.490 10.592
{\rm log}_{10}({\rm SFR}) -0.070 0.518 1.018
{\rm log}_{10}({\rm sSFR}) -10.554 -9.954 -9.434
{\rm stellar\ age} 4.066 6.185 7.756

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.659 -0.321 -0.084
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.227 0.032 0.306

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.222 0.433 0.712
\delta -0.651 -0.238 0.134
\tau_1/\tau_2 0.606 1.011 1.415
Q_{PAH} 1.313 2.464 4.563
U_{min} 2.413 7.013 13.384
{\rm log}_{10}(\gamma_e)\, -3.224 -2.393 -1.462

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.464 -3.556 -2.203
{\rm log}_{10}(\tau_{AGN})\, 1.089 1.614 1.973

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.013 0.329 0.542
0.03-0.10 Gyr -0.295 0.548 1.156
0.10-0.33 Gyr -0.285 0.511 0.978
0.33-1.07 Gyr -0.150 0.550 0.886
1.07-3.51 Gyr 0.089 0.608 0.876
3.51-11.48 Gyr 0.003 0.523 0.733
11.48-12.75 Gyr -0.311 0.498 1.088