2025htw

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Information

Transient

Name: AT2025htw
Right ascension: 13h55m58.09s
Declination: -2d19m12.24s
Discovery Date: March 26, 2025, 6:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name: 2025htw
Right ascension: 13h55m58.08s
Declination: -2d19m12.75s
Redshift: None
Photometric Redshift: 0.187
 

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 1.97
Cutout download processed 21.79
Global aperture construction processed 0.75
Local aperture photometry processed 6.65
Global aperture photometry processed 6.78
Validate local photometry no valid phot 0.03
Validate global photometry processed 19.41
Host information processed 0.09
Global host SED inference processed 400.6
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.08
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) = 13h55m58.09s, -2d19m12.24s
semi major axis, semi minor axis (arcsec) = 0.64, 0.64
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) = 13h55m58.08s, -2d19m12.63s
semi major axis, semi minor axis (arcsec) = 3.19, 2.71
angle (degrees, anti-clockwise from east) = -91.14

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.74 0.91 24.221 1.333 AB
GALEX_NUV 2.63 1.92 22.852 0.794 AB
SDSS_u 2.37 2.5 22.961 1.143 AB
SDSS_g 33.47 1.77 20.088 0.057 AB
DES_g 34.95 0.27 20.041 0.008 AB
PanSTARRS_g 31.03 0.67 20.171 0.023 AB
SDSS_r 81.53 2.71 19.122 0.036 AB
PanSTARRS_r 89.14 1.58 19.025 0.019 AB
DES_r 91.67 0.73 18.994 0.009 AB
SDSS_i 125.22 3.54 18.656 0.031 AB
PanSTARRS_i 121.1 1.58 18.692 0.014 AB
PanSTARRS_z 154.47 1.74 18.428 0.012 AB
SDSS_z 210.07 9.65 18.094 0.050 AB
DES_z 171.09 2.01 18.317 0.013 AB
PanSTARRS_y 177.66 4.32 18.276 0.026 AB
2MASS_J 244.57 117.67 17.034 0.522 Vega
2MASS_H 582.46 181.37 15.619 0.338 Vega
2MASS_K 284.81 214.4 15.926 0.817 Vega
WISE_W1 154.19 7.78 15.731 0.055 Vega
WISE_W2 126.07 11.49 15.309 0.099 Vega
WISE_W3 67.55 40.59 14.152 0.652 Vega
WISE_W4 571.41 303.26 10.388 0.576 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})\, 10.326 10.438 10.529
{\rm log}_{10}({\rm SFR}) -0.867 -0.076 0.359
{\rm log}_{10}({\rm sSFR}) -11.281 -10.516 -10.062
{\rm stellar\ age} 4.919 6.367 7.655

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.806 -0.528 -0.303
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.923 -0.627 -0.394

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.272 0.435 0.598
\delta -0.863 -0.653 -0.304
\tau_1/\tau_2 0.625 0.964 1.320
Q_{PAH} 1.316 3.204 5.074
U_{min} 2.756 8.013 14.971
{\rm log}_{10}(\gamma_e)\, -2.620 -1.540 -0.434

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.855 -2.281 -1.190
{\rm log}_{10}(\tau_{AGN})\, 0.997 1.491 1.882

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.691 0.000 0.292
0.03-0.10 Gyr -1.306 -0.149 0.404
0.10-0.32 Gyr -1.216 -0.075 0.469
0.32-1.02 Gyr -0.895 0.108 0.603
1.02-3.24 Gyr -0.263 0.439 0.744
3.24-10.31 Gyr 0.167 0.594 0.788
10.31-11.45 Gyr -0.076 0.593 1.213