2025giw

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Information

Transient

Name: AT2025giw
Right ascension: 18h24m30.06s
Declination: 6d18m08.60s
Discovery Date: March 31, 2025, 9:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.257

Host

Name: 2025giw
Right ascension: 18h24m30.27s
Declination: 6d18m02.46s
Redshift: None
Photometric Redshift: 0.158
 

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 9.49
Cutout download processed 3.2
Global aperture construction processed 1.2
Local aperture photometry processed 4.32
Global aperture photometry processed 4.42
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.52
Host information processed 0.09
Global host SED inference processed 489.08
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.13
Host MWEBV processed 0.12
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) = 18h24m30.06s, 6d18m08.60s
semi major axis, semi minor axis (arcsec) = 0.73, 0.73
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 18h24m30.27s, 6d18m03.17s
semi major axis, semi minor axis (arcsec) = 4.47, 3.26
angle (degrees, anti-clockwise from east) = -111.42

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 16.83 1.13 20.835 0.073 AB
PanSTARRS_r 43.98 1.16 19.792 0.029 AB
PanSTARRS_i 57.08 1.9 19.509 0.036 AB
PanSTARRS_z 60.59 3.37 19.444 0.060 AB
PanSTARRS_y 45.88 8.05 19.746 0.191 AB
2MASS_J 89.23 132.57 18.129 1.613 Vega
2MASS_H -20.1 215.57 Vega
2MASS_K -33.75 198.03 Vega
WISE_W1 -46.44 47.77 Vega
WISE_W2 -16.24 34.55 Vega
WISE_W3 -38.59 75.55 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.535 9.781 9.938
{\rm log}_{10}({\rm SFR}) -0.097 0.250 0.588
{\rm log}_{10}({\rm sSFR}) -9.965 -9.531 -9.020
{\rm stellar\ age} 2.661 5.636 7.161

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.601 -1.012 -0.384
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.016 -0.338 -0.131

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.242 0.441 0.736
\delta -0.668 -0.283 0.144
\tau_1/\tau_2 0.500 0.904 1.283
Q_{PAH} 1.020 2.963 5.315
U_{min} 2.850 7.921 14.960
{\rm log}_{10}(\gamma_e)\, -3.188 -2.076 -0.814

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.541 -1.638 -0.680
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.414 1.851

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.199 0.456 0.693
0.03-0.10 Gyr -0.678 0.060 0.558
0.10-0.32 Gyr -0.785 -0.085 0.402
0.32-1.03 Gyr -0.809 -0.193 0.242
1.03-3.30 Gyr -0.848 -0.202 0.126
3.30-10.59 Gyr -1.120 -0.176 0.122
10.59-11.77 Gyr -1.214 -0.184 0.433