2025qbu results

Information

Transient
Name:AT2025qbu
Right ascension: 9h47m16.67s
Declination:-3d52m49.74s
Discovery Date:March 26, 2025, 7:07 a.m.
Classification:None
Redshift:None
MW E(B-V):0.038
Host
Name:
Right ascension: 9h47m16.88s
Declination:-3d52m50.57s
Redshift:0.070273
Photometric Redshift:0.054
 

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 16.71
Transient MWEBV processed 0.04
Host match processed 5.55
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 3.9
Validate global photometry processed 10.58
Global host SED inference processed 379.75
Local aperture photometry processed 5.08
Validate local photometry processed 0.02
Local host SED inference processed 417.46
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):9h47m16.67s, -3d52m49.74s
semi major axis, semi minor axis (arcsec):1.49, 1.49
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 69.19 0.37 19.300 0.006 AB
PanSTARRS_g 70.27 0.39 19.283 0.006 AB
PanSTARRS_r 117.43 0.63 18.726 0.006 AB
DES_r 124.97 0.79 18.658 0.007 AB
PanSTARRS_i 161.97 0.51 18.376 0.003 AB
PanSTARRS_z 187.47 1.26 18.218 0.007 AB
DES_z 189.44 2.18 18.206 0.012 AB
PanSTARRS_y 224.18 3.08 18.023 0.015 AB

Aperture details

RA, DEC (J2000):9h47m16.90s, -3d52m50.46s
semi major axis, semi minor axis (arcsec):10.8, 6.88
angle (degrees, anti-clockwise from east):-95.45
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 66.52 6.59 19.343 0.108 AB
GALEX_NUV 98.97 4.79 18.911 0.052 AB
PanSTARRS_g 898.09 2.11 16.517 0.003 AB
PanSTARRS_r 1487.49 3.48 15.969 0.003 AB
PanSTARRS_i 2077.87 2.84 15.606 0.001 AB
PanSTARRS_z 2428.18 7.08 15.437 0.003 AB
PanSTARRS_y 2928.69 17.78 15.233 0.007 AB
2MASS_J 3298.15 282.55 14.209 0.093 Vega
2MASS_H 4469.28 397.61 13.407 0.097 Vega
2MASS_K 5030.64 458.39 12.808 0.099 Vega
WISE_W1 1929.63 28.75 12.987 0.016 Vega
WISE_W2 1277.18 34.09 12.795 0.029 Vega
WISE_W3 5647.3 137.17 9.346 0.026 Vega
WISE_W4 5565.31 830.77 7.916 0.162 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.399 9.549 9.665
{\rm log}_{10}({\rm SFR}) -1.554 -0.873 -0.302
{\rm log}_{10}({\rm sSFR}) -11.097 -10.426 -9.846
{\rm stellar\ age} 4.092 6.616 8.058

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.575 -0.972 -0.525
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.613 -0.512 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.172 0.539 0.895
\delta -0.706 -0.290 0.101
\tau_1/\tau_2 0.708 1.067 1.399
Q_{PAH} 0.906 2.699 5.125
U_{min} 2.994 7.999 14.728
{\rm log}_{10}(\gamma_e)\, -3.152 -1.995 -0.671

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.942 -0.959 -0.382
{\rm log}_{10}(\tau_{AGN})\, 1.131 1.460 1.913

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.594 -1.056 -0.635
0.03-0.10 Gyr -1.797 -0.850 -0.202
0.10-0.33 Gyr -1.470 -0.596 0.049
0.33-1.07 Gyr -1.299 -0.540 -0.056
1.07-3.52 Gyr -1.182 -0.453 -0.167
3.52-11.54 Gyr -0.993 -0.374 -0.177
11.54-12.83 Gyr -1.146 -0.366 0.196

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.640 10.703 10.763
{\rm log}_{10}({\rm SFR}) 0.480 0.768 1.061
{\rm log}_{10}({\rm sSFR}) -10.237 -9.945 -9.628
{\rm stellar\ age} 6.821 7.593 9.271

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.440 -0.276 -0.168
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.649 0.161 0.363

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.226 0.365
\delta -0.748 -0.454 -0.166
\tau_1/\tau_2 0.764 1.129 1.509
Q_{PAH} 1.003 2.190 3.866
U_{min} 2.625 7.399 14.076
{\rm log}_{10}(\gamma_e)\, -1.973 -1.285 -0.611

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.545 -2.279 -1.445
{\rm log}_{10}(\tau_{AGN})\, 1.275 1.757 2.022

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.319 0.122 0.343
0.03-0.10 Gyr 0.558 0.898 1.212
0.10-0.33 Gyr 0.238 0.616 0.905
0.33-1.07 Gyr -0.143 0.324 0.575
1.07-3.52 Gyr -0.119 0.388 0.677
3.52-11.54 Gyr 0.598 0.836 0.943
11.54-12.83 Gyr 0.525 1.023 1.572