2025whx

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Information

Transient

Name: AT2025whx
Right ascension: 21h50m14.96s
Declination: -13d22m02.33s
Discovery Date: Aug. 27, 2025, 8:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.039

Host

Name:
Right ascension: 21h50m14.93s
Declination: -13d22m04.05s
Redshift: None
Photometric Redshift: 0.087
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 29.6
Transient MWEBV processed 0.1
Host match processed 6.44
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 3.92
Validate global photometry processed 10.65
Global host SED inference processed 432.16
Local aperture photometry processed 4.39
Validate local photometry processed 0.02
Local host SED inference processed 436.07
 

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) = 21h50m14.96s, -13d22m02.33s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 39.61 0.35 19.906 0.009 AB
DES_r 43.42 0.51 19.806 0.013 AB
PanSTARRS_i 55.17 0.3 19.546 0.006 AB
PanSTARRS_z 59.27 0.97 19.468 0.018 AB
PanSTARRS_y 67.93 2.21 19.320 0.035 AB

Aperture details

RA, DEC (J2000) = 21h50m14.93s, -13d22m03.91s
semi major axis, semi minor axis (arcsec) = 8.54, 4.87
angle (degrees, anti-clockwise from east) = -157.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 160.11 1.44 18.389 0.010 AB
PanSTARRS_r 255.38 1.71 17.882 0.007 AB
DES_r 285.5 1.43 17.761 0.005 AB
PanSTARRS_i 361.32 1.5 17.505 0.005 AB
PanSTARRS_z 389.85 5.03 17.423 0.014 AB
PanSTARRS_y 448.91 11.51 17.270 0.028 AB
2MASS_J 614.14 164.65 16.034 0.291 Vega
2MASS_H 1034.96 238.16 14.995 0.250 Vega
2MASS_K 257.58 250.45 16.035 1.056 Vega
WISE_W1 235.57 15.35 15.271 0.071 Vega
WISE_W2 156.95 19.2 15.072 0.133 Vega
WISE_W3 344.49 78.38 12.383 0.247 Vega
WISE_W4 660.71 419.63 10.230 0.690 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.126 9.296 9.425
{\rm log}_{10}({\rm SFR}) -1.565 -0.971 -0.277
{\rm log}_{10}({\rm sSFR}) -10.913 -10.267 -9.540
{\rm stellar\ age} 4.719 6.982 8.927

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.587 -1.100 -0.575
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.420 -0.546 0.235

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.189 0.451 0.838
\delta -0.690 -0.192 0.162
\tau_1/\tau_2 0.663 1.026 1.370
Q_{PAH} 0.748 2.473 5.212
U_{min} 2.907 7.740 14.692
{\rm log}_{10}(\gamma_e)\, -2.954 -1.789 -0.646

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.195 -0.513 0.047
{\rm log}_{10}(\tau_{AGN})\, 1.111 1.526 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.522 -1.054 -0.647
0.03-0.10 Gyr -1.936 -0.989 -0.166
0.10-0.33 Gyr -2.052 -1.108 -0.428
0.33-1.07 Gyr -2.020 -1.060 -0.459
1.07-3.48 Gyr -1.836 -0.851 -0.511
3.48-11.35 Gyr -1.288 -0.641 -0.423
11.35-12.61 Gyr -1.365 -0.561 0.186

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.931 10.047 10.144
{\rm log}_{10}({\rm SFR}) -1.138 -0.468 0.002
{\rm log}_{10}({\rm sSFR}) -11.230 -10.536 -10.039
{\rm stellar\ age} 5.318 6.826 8.160

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.374 -1.015 -0.732
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.452 -0.209 0.304

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.125 0.237 0.376
\delta -0.900 -0.651 -0.246
\tau_1/\tau_2 0.674 1.038 1.403
Q_{PAH} 0.628 1.645 3.566
U_{min} 2.588 7.319 14.276
{\rm log}_{10}(\gamma_e)\, -2.988 -2.108 -1.094

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.083 -2.798 -1.808
{\rm log}_{10}(\tau_{AGN})\, 1.005 1.420 1.842

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.882 -0.508 -0.196
0.03-0.10 Gyr -1.501 -0.492 0.097
0.10-0.33 Gyr -1.447 -0.327 0.227
0.33-1.07 Gyr -1.084 -0.261 0.192
1.07-3.48 Gyr -0.475 0.032 0.327
3.48-11.35 Gyr -0.231 0.159 0.344
11.35-12.61 Gyr -0.606 0.140 0.726