2025dhb results

Information

Transient
Name:AT2025dhb
Right ascension: 4h37m40.18s
Declination:-22d14m37.58s
Discovery Date:Feb. 6, 2025, 2:20 a.m.
Classification:None
Redshift:None
MW E(B-V):0.045
Host
Name:2025dhb
Right ascension: 4h37m40.14s
Declination:-22d14m38.06s
Redshift:0.067523
Photometric Redshift:0.058
 

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
DES_g
DES_r
DES_z
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 10.71
Transient MWEBV processed 0.04
Host match processed 2.58
Host information processed 0.08
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.0
Validate global photometry processed 13.4
Global host SED inference processed 426.85
Local aperture photometry processed 5.27
Validate local photometry processed 0.02
Local host SED inference processed 555.5
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):4h37m40.18s, -22d14m37.58s
semi major axis, semi minor axis (arcsec):1.55, 1.55
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 192.78 0.51 18.187 0.003 AB
PanSTARRS_g 205.78 0.53 18.117 0.003 AB
PanSTARRS_r 404.96 0.62 17.381 0.002 AB
DES_r 463.02 0.82 17.236 0.002 AB
PanSTARRS_i 568.94 0.64 17.012 0.001 AB
PanSTARRS_z 742.78 1.45 16.723 0.002 AB
DES_z 828.75 3.69 16.604 0.005 AB
PanSTARRS_y 816.78 2.91 16.620 0.004 AB

Aperture details

RA, DEC (J2000):4h37m40.13s, -22d14m38.01s
semi major axis, semi minor axis (arcsec):7.13, 5.49
angle (degrees, anti-clockwise from east):-102.57
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 21.97 4.08 20.545 0.202 AB
GALEX_NUV 24.74 3.49 20.417 0.153 AB
DES_g 537.51 0.89 17.074 0.002 AB
PanSTARRS_g 553.1 1.76 17.043 0.003 AB
PanSTARRS_r 1094.24 1.99 16.302 0.002 AB
DES_r 1187.08 1.35 16.214 0.001 AB
PanSTARRS_i 1555.93 2.19 15.920 0.002 AB
PanSTARRS_z 1969.9 5.12 15.664 0.003 AB
DES_z 2094.99 5.98 15.597 0.003 AB
PanSTARRS_y 2324.13 11.01 15.484 0.005 AB
2MASS_J 3046.34 185.68 14.296 0.066 Vega
2MASS_H 3967.9 274.93 13.536 0.075 Vega
2MASS_K 3774.93 358.27 13.120 0.103 Vega
WISE_W1 1701.15 23.4 13.124 0.015 Vega
WISE_W2 1136.64 28.4 12.922 0.027 Vega
WISE_W3 2138.07 104.46 10.401 0.053 Vega
WISE_W4 3944.21 825.79 8.290 0.227 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.109 10.236 10.359
{\rm log}_{10}({\rm SFR}) -2.557 -0.997 -0.093
{\rm log}_{10}({\rm sSFR}) -12.898 -11.308 -10.258
{\rm stellar\ age} 5.877 7.574 10.845

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.343 -0.826 -0.547
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.802 -1.216 0.033

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.306 0.564 0.955
\delta -0.816 -0.498 0.028
\tau_1/\tau_2 0.615 0.998 1.372
Q_{PAH} 1.138 3.561 5.955
U_{min} 2.848 8.223 16.195
{\rm log}_{10}(\gamma_e)\, -3.212 -1.842 -0.492

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.126 -2.466 -0.607
{\rm log}_{10}(\tau_{AGN})\, 1.028 1.539 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.017 -1.156 -0.423
0.03-0.10 Gyr -3.313 -1.098 -0.032
0.10-0.33 Gyr -2.955 -0.778 0.146
0.33-1.08 Gyr -2.937 -0.573 0.294
1.08-3.53 Gyr -2.271 -0.177 0.390
3.53-11.57 Gyr -0.530 0.289 0.530
11.57-12.86 Gyr -0.384 0.456 1.365

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.683 10.726 10.801
{\rm log}_{10}({\rm SFR}) -0.742 -0.434 -0.107
{\rm log}_{10}({\rm sSFR}) -11.485 -11.172 -10.832
{\rm stellar\ age} 7.664 8.654 11.457

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.506 -0.323 -0.158
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.645 -0.137 0.353

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.100 0.185 0.298
\delta -0.364 -0.010 0.243
\tau_1/\tau_2 0.551 0.952 1.410
Q_{PAH} 1.009 2.601 4.600
U_{min} 2.240 7.313 14.901
{\rm log}_{10}(\gamma_e)\, -2.909 -1.600 -0.716

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.290 -1.639 -1.298
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.469 1.792

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.638 -0.358 -0.146
0.03-0.10 Gyr -1.222 -0.496 -0.040
0.10-0.33 Gyr -1.557 -0.640 -0.153
0.33-1.08 Gyr -1.628 -0.686 -0.190
1.08-3.53 Gyr -1.365 -0.309 0.325
3.53-11.57 Gyr 0.210 0.869 0.977
11.57-12.86 Gyr 0.717 1.291 1.876