2025wwh results

Information

Transient
Name:AT2025wwh
Right ascension: 8h04m45.40s
Declination:9d31m48.03s
Discovery Date:Aug. 31, 2025, 12:22 p.m.
Classification:None
Redshift:None
MW E(B-V):0.019
Host
Name:
Right ascension: 8h04m45.31s
Declination:9d31m49.61s
Redshift:None
Photometric Redshift:0.038
 

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 28.56
Transient MWEBV processed 0.03
Host match processed 6.3
Host information processed 0.18
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 5.44
Validate global photometry processed 16.15
Global host SED inference processed 439.62
Local aperture photometry processed 6.34
Validate local photometry processed 0.02
Local host SED inference processed 538.2
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):8h04m45.40s, 9d31m48.03s
semi major axis, semi minor axis (arcsec):2.67, 2.67
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 87.91 3.43 19.040 0.042 AB
SDSS_g 205.05 3.78 18.120 0.020 AB
DES_g 202.99 0.67 18.131 0.004 AB
PanSTARRS_g 183.08 0.61 18.243 0.004 AB
SDSS_r 243.19 4.26 17.935 0.019 AB
PanSTARRS_r 224.6 0.8 18.021 0.004 AB
SDSS_i 293.6 4.93 17.731 0.018 AB
PanSTARRS_i 264.72 0.85 17.843 0.003 AB
PanSTARRS_z 284.12 2.29 17.766 0.009 AB
SDSS_z 326.9 12.1 17.614 0.040 AB
PanSTARRS_y 299.87 4.3 17.708 0.016 AB

Aperture details

RA, DEC (J2000):8h04m45.29s, 9d31m49.71s
semi major axis, semi minor axis (arcsec):8.37, 4.86
angle (degrees, anti-clockwise from east):-7.49
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 165.71 6.85 18.352 0.045 AB
SDSS_g 412.35 5.55 17.362 0.015 AB
DES_g 413.83 1.0 17.358 0.003 AB
PanSTARRS_g 426.13 1.38 17.326 0.004 AB
SDSS_r 527.09 6.77 17.095 0.014 AB
PanSTARRS_r 551.27 1.82 17.047 0.004 AB
SDSS_i 643.48 8.34 16.879 0.014 AB
PanSTARRS_i 664.73 1.97 16.843 0.003 AB
PanSTARRS_z 707.78 5.39 16.775 0.008 AB
SDSS_z 796.08 27.78 16.648 0.038 AB
PanSTARRS_y 761.48 10.19 16.696 0.015 AB
2MASS_J 635.32 156.91 15.998 0.268 Vega
2MASS_H 928.73 272.11 15.113 0.318 Vega
2MASS_K 891.87 240.76 14.686 0.293 Vega
WISE_W1 395.62 16.78 14.708 0.046 Vega
WISE_W3 453.94 98.38 12.083 0.235 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.410 8.808 9.053
{\rm log}_{10}({\rm SFR}) -0.994 0.008 0.481
{\rm log}_{10}({\rm sSFR}) -9.931 -8.840 -7.932
{\rm stellar\ age} 0.144 2.952 6.931

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.626 -1.122 -0.628
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.732 -1.157 -0.211

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.139 0.426 0.891
\delta -0.613 -0.186 0.128
\tau_1/\tau_2 0.535 0.998 1.444
Q_{PAH} 0.617 2.049 4.304
U_{min} 3.585 9.762 17.972
{\rm log}_{10}(\gamma_e)\, -3.401 -2.258 -0.949

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.903 -1.832 -0.570
{\rm log}_{10}(\tau_{AGN})\, 1.082 1.519 1.934

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.166 -1.770 -1.111
0.03-0.10 Gyr -0.862 0.170 0.644
0.10-0.33 Gyr -2.783 -0.699 0.130
0.33-1.09 Gyr -4.590 -1.857 -0.684
1.09-3.61 Gyr -5.514 -1.817 -0.833
3.61-11.92 Gyr -6.254 -2.233 -0.945
11.92-13.25 Gyr -6.712 -2.092 -0.675

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.157 9.316 9.461
{\rm log}_{10}({\rm SFR}) -1.591 -0.742 0.006
{\rm log}_{10}({\rm sSFR}) -10.897 -10.103 -9.282
{\rm stellar\ age} 2.395 5.320 7.021

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.249 -0.911 -0.649
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.620 -0.815 0.076

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.086 0.201 0.373
\delta -0.691 -0.183 0.244
\tau_1/\tau_2 0.623 0.983 1.338
Q_{PAH} 0.420 1.513 3.552
U_{min} 2.688 8.083 14.978
{\rm log}_{10}(\gamma_e)\, -3.232 -1.993 -0.884

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.776 -2.263 -1.629
{\rm log}_{10}(\tau_{AGN})\, 0.947 1.330 1.822

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.087 -1.432 -0.943
0.03-0.10 Gyr -1.622 -0.645 0.163
0.10-0.33 Gyr -0.827 -0.176 0.272
0.33-1.09 Gyr -1.115 -0.407 -0.073
1.09-3.61 Gyr -1.184 -0.539 -0.235
3.61-11.92 Gyr -1.922 -0.788 -0.470
11.92-13.25 Gyr -2.203 -0.833 -0.249