2025alwh results

Information

Transient
Name:AT2025alwh
Right ascension: 7h04m33.24s
Declination:42d45m23.85s
Discovery Date:Nov. 27, 2025, 6:12 p.m.
Classification:None
Redshift:None
MW E(B-V):0.102
Host
Name:
Right ascension: 7h04m33.36s
Declination:42d45m23.70s
Redshift:None
Photometric Redshift:0.028
 

Cutout Download Report

Downloaded Unavailable
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
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 5.61
Transient MWEBV processed 0.11
Host match processed 6.21
Host information processed 0.16
Host MWEBV processed 0.05
Global aperture construction processed 0.63
Global aperture photometry processed 3.79
Validate global photometry processed 12.18
Global host SED inference processed 446.48
Local aperture photometry processed 3.66
Validate local photometry processed 0.02
Local host SED inference processed 513.57
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h04m33.24s, 42d45m23.85s
semi major axis, semi minor axis (arcsec):3.54, 3.54
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 59.77 0.9 19.459 0.016 AB
PanSTARRS_r 104.68 1.39 18.850 0.014 AB
PanSTARRS_i 142.66 0.94 18.514 0.007 AB
PanSTARRS_z 170.88 2.57 18.318 0.016 AB
PanSTARRS_y 186.4 6.35 18.224 0.037 AB
2MASS_J 240.39 78.97 17.053 0.357 Vega
2MASS_H 97.63 114.37 17.558 1.272 Vega
2MASS_K 131.74 126.8 16.763 1.045 Vega

Aperture details

RA, DEC (J2000):7h04m33.71s, 42d45m20.68s
semi major axis, semi minor axis (arcsec):17.28, 3.74
angle (degrees, anti-clockwise from east):-52.2
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.84 3.37 21.533 0.413 AB
GALEX_NUV 9.37 4.19 21.471 0.486 AB
PanSTARRS_g 231.09 2.03 17.991 0.010 AB
PanSTARRS_r 447.9 3.15 17.272 0.008 AB
PanSTARRS_i 687.56 2.12 16.807 0.003 AB
PanSTARRS_z 821.23 5.77 16.614 0.008 AB
PanSTARRS_y 1044.14 14.75 16.353 0.015 AB
2MASS_J 1448.22 198.61 15.103 0.149 Vega
2MASS_H 1537.13 285.68 14.566 0.202 Vega
2MASS_K 1676.94 319.06 14.001 0.207 Vega
WISE_W1 1039.32 27.55 13.659 0.029 Vega
WISE_W2 689.01 29.51 13.465 0.047 Vega
WISE_W3 2908.41 128.45 10.067 0.048 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.675 8.795 8.920
{\rm log}_{10}({\rm SFR}) -3.176 -1.926 -1.201
{\rm log}_{10}({\rm sSFR}) -11.897 -10.749 -9.991
{\rm stellar\ age} 5.330 7.442 9.575

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.585 -1.088 -0.688
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.793 -1.183 -0.210

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.121 0.430 0.937
\delta -0.623 -0.139 0.221
\tau_1/\tau_2 0.672 1.026 1.355
Q_{PAH} 0.942 2.957 5.342
U_{min} 2.814 8.083 15.141
{\rm log}_{10}(\gamma_e)\, -3.242 -2.082 -0.743

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.727 -0.709 -0.182
{\rm log}_{10}(\tau_{AGN})\, 0.987 1.408 1.890

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.484 -2.211 -1.478
0.03-0.10 Gyr -3.396 -1.944 -1.105
0.10-0.33 Gyr -3.065 -1.840 -0.948
0.33-1.10 Gyr -2.739 -1.590 -0.990
1.10-3.64 Gyr -2.367 -1.308 -0.974
3.64-12.04 Gyr -1.754 -1.153 -0.953
12.04-13.38 Gyr -1.781 -1.039 -0.342

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.490 9.706 9.822
{\rm log}_{10}({\rm SFR}) -1.473 -0.738 -0.330
{\rm log}_{10}({\rm sSFR}) -11.130 -10.458 -9.977
{\rm stellar\ age} 5.334 7.612 9.339

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.483 -1.005 -0.608
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.708 -0.744 0.240

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.878 1.122 1.341
\delta 0.042 0.246 0.351
\tau_1/\tau_2 0.528 0.859 1.233
Q_{PAH} 0.605 1.427 2.741
U_{min} 2.525 7.406 14.052
{\rm log}_{10}(\gamma_e)\, -3.309 -2.598 -1.866

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.468 -2.214 -1.722
{\rm log}_{10}(\tau_{AGN})\, 0.900 1.203 1.666

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.610 -0.797 -0.390
0.03-0.10 Gyr -1.875 -0.825 -0.269
0.10-0.33 Gyr -1.953 -0.875 -0.297
0.33-1.10 Gyr -1.773 -0.813 -0.277
1.10-3.64 Gyr -1.281 -0.461 -0.076
3.64-12.04 Gyr -0.886 -0.215 -0.006
12.04-13.38 Gyr -1.143 -0.193 0.505