2025sdw

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Information

Transient

Name: AT2025sdw
Right ascension: 14h52m21.15s
Declination: 32d28m47.60s
Discovery Date: July 25, 2025, 9:55 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: 1998837
Right ascension: 14h52m20.64s
Declination: 32d28m44.29s
Redshift: 0.045121
Photometric Redshift: 0.046
 

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
processed
 status
Local host SED inference
Local host SED inference
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 4.29
Cutout download processed 27.89
Global aperture construction processed 0.63
Local aperture photometry processed 6.77
Global aperture photometry processed 6.07
Validate local photometry processed 0.02
Validate global photometry processed 15.85
Host information processed 0.15
Global host SED inference processed 484.13
Local host SED inference processed 604.61
Transient information processed 0.0
Transient MWEBV processed 0.08
Host MWEBV processed 0.05
Processing status completed 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) = 14h52m21.15s, 32d28m47.60s
semi major axis, semi minor axis (arcsec) = 2.26, 2.26
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 15.02 2.15 20.958 0.155 AB
SDSS_g 27.75 1.49 20.292 0.058 AB
DES_g 28.86 0.38 20.249 0.014 AB
PanSTARRS_g 31.53 0.51 20.153 0.018 AB
SDSS_r 36.2 1.81 20.003 0.054 AB
PanSTARRS_r 38.03 0.6 19.950 0.017 AB
DES_r 37.34 0.77 19.970 0.023 AB
SDSS_i 40.31 2.29 19.886 0.062 AB
PanSTARRS_i 41.35 0.56 19.859 0.015 AB
PanSTARRS_z 44.89 1.36 19.770 0.033 AB
SDSS_z 38.34 6.79 19.941 0.192 AB
DES_z 42.46 1.57 19.830 0.040 AB
PanSTARRS_y 49.1 3.89 19.672 0.086 AB

Aperture details

RA, DEC (J2000) = 14h52m20.58s, 32d28m44.09s
semi major axis, semi minor axis (arcsec) = 18.0, 6.08
angle (degrees, anti-clockwise from east) = -99.3

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 506.66 1.62 17.138 0.003 AB
PanSTARRS_g 512.42 2.34 17.126 0.005 AB
PanSTARRS_r 668.31 2.72 16.838 0.004 AB
SDSS_i 774.91 10.44 16.677 0.015 AB
PanSTARRS_z 819.19 6.23 16.617 0.008 AB
SDSS_z 708.58 31.53 16.774 0.048 AB
DES_z 845.73 7.07 16.582 0.009 AB
2MASS_H 1086.99 367.99 14.942 0.368 Vega
WISE_W2 260.5 19.99 14.521 0.083 Vega
WISE_W3 599.97 77.94 11.781 0.141 Vega
WISE_W4 941.62 392.44 9.845 0.452 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})\, 7.951 8.216 8.385
{\rm log}_{10}({\rm SFR}) -2.664 -1.376 -0.307
{\rm log}_{10}({\rm sSFR}) -10.869 -9.602 -8.304
{\rm stellar\ age} 0.273 3.403 6.569

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.745 -1.256 -0.579
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.617 -0.882 -0.021

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.077 0.365 0.960
\delta -0.528 -0.093 0.204
\tau_1/\tau_2 0.603 1.019 1.443
Q_{PAH} 1.428 3.674 5.876
U_{min} 3.516 9.727 17.622
{\rm log}_{10}(\gamma_e)\, -3.102 -1.930 -0.704

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.638 -0.516 -0.001
{\rm log}_{10}(\tau_{AGN})\, 1.035 1.513 1.964

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.002 -2.381 -1.692
0.03-0.10 Gyr -2.856 -1.253 -0.151
0.10-0.33 Gyr -2.257 -1.058 -0.396
0.33-1.09 Gyr -4.098 -1.706 -1.063
1.09-3.59 Gyr -4.776 -2.005 -1.394
3.59-11.84 Gyr -5.801 -2.417 -1.617
11.84-13.15 Gyr -6.040 -2.429 -1.361

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.453 9.576 9.706
{\rm log}_{10}({\rm SFR}) -1.672 -0.957 -0.460
{\rm log}_{10}({\rm sSFR}) -11.244 -10.527 -9.943
{\rm stellar\ age} 2.470 5.068 6.918

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.737 -1.408 -0.998
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.746 -0.897 0.197

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.062 0.151 0.262
\delta -0.665 -0.196 0.209
\tau_1/\tau_2 0.583 0.922 1.248
Q_{PAH} 0.883 2.034 4.132
U_{min} 2.778 7.772 14.860
{\rm log}_{10}(\gamma_e)\, -3.253 -2.500 -1.580

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.689 -2.224 -1.617
{\rm log}_{10}(\tau_{AGN})\, 0.947 1.343 1.783

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.777 -0.958 -0.624
0.03-0.10 Gyr -2.270 -0.998 -0.386
0.10-0.33 Gyr -1.438 -0.489 0.073
0.33-1.09 Gyr -0.562 -0.036 0.281
1.09-3.59 Gyr -0.579 -0.149 0.128
3.59-11.84 Gyr -1.567 -0.540 -0.206
11.84-13.15 Gyr -1.883 -0.640 -0.017