2025khw

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Information

Transient

Name: AT2025khw
Right ascension: 23h52m32.00s
Declination: 31d50m33.46s
Discovery Date: May 2, 2025, 11:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.049

Host

Name: 2025khw
Right ascension: 23h52m32.22s
Declination: 31d50m35.52s
Redshift: None
Photometric Redshift: 0.139
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.97
Transient MWEBV processed 0.04
Host match processed 2.47
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 7.03
Validate global photometry processed 19.55
Global host SED inference processed 1346.09
Local aperture photometry processed 6.97
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) = 23h52m32.00s, 31d50m33.46s
semi major axis, semi minor axis (arcsec) = 0.82, 0.82
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) = 23h52m32.20s, 31d50m35.65s
semi major axis, semi minor axis (arcsec) = 7.58, 6.42
angle (degrees, anti-clockwise from east) = -164.48

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 12.74 2.58 21.137 0.220 AB
GALEX_NUV 16.43 2.09 20.861 0.138 AB
SDSS_u 84.73 5.38 19.080 0.069 AB
SDSS_g 138.55 3.54 18.546 0.028 AB
DES_g 143.41 0.75 18.509 0.006 AB
PanSTARRS_g 156.7 1.68 18.412 0.012 AB
SDSS_r 289.13 5.45 17.747 0.020 AB
PanSTARRS_r 270.72 1.64 17.819 0.007 AB
DES_r 301.27 1.75 17.703 0.006 AB
SDSS_i 413.51 7.39 17.359 0.019 AB
PanSTARRS_i 401.67 2.18 17.390 0.006 AB
PanSTARRS_z 474.86 4.6 17.209 0.011 AB
SDSS_z 511.28 20.94 17.128 0.044 AB
DES_z 528.72 5.83 17.092 0.012 AB
PanSTARRS_y 584.95 10.78 16.982 0.020 AB
2MASS_J 583.92 239.14 16.089 0.445 Vega
2MASS_H 891.44 335.27 15.157 0.408 Vega
2MASS_K 730.91 327.97 14.903 0.487 Vega
WISE_W1 366.94 15.75 14.790 0.047 Vega
WISE_W3 315.59 68.48 12.478 0.236 Vega
WISE_W4 -0.92 354.36 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})\, 10.597 10.637 10.712
{\rm log}_{10}({\rm SFR}) 0.822 1.001 1.197
{\rm log}_{10}({\rm sSFR}) -9.845 -9.653 -9.429
{\rm stellar\ age} 6.950 7.704 10.124

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.467 -0.328 -0.214
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.391 0.032 0.295

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.166 0.209 0.287
\delta -0.957 -0.841 -0.630
\tau_1/\tau_2 0.816 1.275 1.702
Q_{PAH} 0.227 0.784 1.631
U_{min} 2.294 6.652 13.711
{\rm log}_{10}(\gamma_e)\, -3.392 -2.608 -1.376

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.822 -2.374 -1.666
{\rm log}_{10}(\tau_{AGN})\, 1.036 1.377 1.779

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 0.178 0.407 0.613
0.03-0.10 Gyr 0.943 1.129 1.332
0.10-0.32 Gyr -1.487 -0.219 0.237
0.32-1.04 Gyr -1.717 -0.530 -0.020
1.04-3.35 Gyr -1.052 -0.138 0.392
3.35-10.79 Gyr 0.351 0.810 0.911
10.79-11.99 Gyr 0.589 1.157 1.752