2025qby

Download data

Information

Transient

Name: AT2025qby
Right ascension: 0h28m21.67s
Declination: 30d04m40.90s
Discovery Date: June 27, 2025, 11:19 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.062

Host

Name:
Right ascension: 0h28m21.57s
Declination: 30d04m38.29s
Redshift: None
Photometric Redshift: 0.084
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 19.91
Transient MWEBV processed 0.07
Host match processed 5.58
Host information processed 0.16
Host MWEBV processed 0.04
Global aperture construction processed 0.65
Global aperture photometry processed 6.3
Validate global photometry processed 17.64
Global host SED inference processed 490.73
Local aperture photometry processed 7.07
Validate local photometry processed 0.02
Local host SED inference processed 400.76
 

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) = 0h28m21.67s, 30d04m40.90s
semi major axis, semi minor axis (arcsec) = 1.26, 1.26
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 13.32 0.16 21.089 0.013 AB
PanSTARRS_r 19.43 0.28 20.679 0.016 AB
DES_r 21.63 0.38 20.562 0.019 AB
SDSS_i 28.11 1.66 20.278 0.064 AB
PanSTARRS_i 28.28 0.4 20.271 0.015 AB
PanSTARRS_z 30.44 0.95 20.191 0.034 AB
DES_z 29.35 1.36 20.231 0.050 AB
PanSTARRS_y 31.83 1.98 20.143 0.068 AB

Aperture details

RA, DEC (J2000) = 0h28m21.55s, 30d04m38.56s
semi major axis, semi minor axis (arcsec) = 7.74, 2.97
angle (degrees, anti-clockwise from east) = -154.03

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 18.25 2.92 20.747 0.174 AB
SDSS_u 51.3 4.43 19.625 0.094 AB
SDSS_g 105.74 2.93 18.839 0.030 AB
DES_g 111.23 0.49 18.784 0.005 AB
PanSTARRS_g 107.59 1.04 18.821 0.011 AB
SDSS_r 158.32 3.9 18.401 0.027 AB
PanSTARRS_r 162.66 1.03 18.372 0.007 AB
DES_r 182.26 1.15 18.248 0.007 AB
SDSS_i 225.77 5.3 18.016 0.025 AB
PanSTARRS_i 232.49 1.48 17.984 0.007 AB
PanSTARRS_z 265.03 3.55 17.842 0.015 AB
SDSS_z 327.4 17.29 17.612 0.057 AB
DES_z 263.43 4.15 17.848 0.017 AB
PanSTARRS_y 280.95 7.36 17.778 0.028 AB
2MASS_J 293.17 117.35 16.837 0.435 Vega
2MASS_H 572.28 191.81 15.638 0.364 Vega
2MASS_K 409.22 188.54 15.532 0.500 Vega
WISE_W1 166.47 11.13 15.648 0.073 Vega
WISE_W2 103.69 16.1 15.522 0.169 Vega
WISE_W3 317.6 62.24 12.471 0.213 Vega
WISE_W4 161.78 367.53 11.758 2.467 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

Click the image to load the interactive plot.


Click the image to load the interactive plot.


 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.665 8.827 8.962
{\rm log}_{10}({\rm SFR}) -1.431 -1.003 -0.558
{\rm log}_{10}({\rm sSFR}) -10.286 -9.831 -9.275
{\rm stellar\ age} 2.384 5.231 6.796

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.654 -1.106 -0.452
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.644 -1.014 -0.002

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.264 0.594 0.998
\delta -0.414 -0.044 0.234
\tau_1/\tau_2 0.703 1.035 1.353
Q_{PAH} 0.868 2.535 5.167
U_{min} 2.673 7.604 14.141
{\rm log}_{10}(\gamma_e)\, -2.918 -1.847 -0.711

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.491 -0.589 -0.037
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.488 1.887

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.379 -1.034 -0.705
0.03-0.10 Gyr -1.628 -1.026 -0.481
0.10-0.33 Gyr -1.516 -0.909 -0.349
0.33-1.07 Gyr -1.344 -0.819 -0.407
1.07-3.48 Gyr -1.536 -1.015 -0.773
3.48-11.38 Gyr -2.014 -1.204 -0.932
11.38-12.65 Gyr -2.134 -1.262 -0.767

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.783 9.897 10.014
{\rm log}_{10}({\rm SFR}) 0.129 0.431 0.784
{\rm log}_{10}({\rm sSFR}) -9.791 -9.463 -9.098
{\rm stellar\ age} 6.910 7.867 11.347

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.353 -0.963 -0.624
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.595 0.079 0.405

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.157 0.297 0.493
\delta -0.637 -0.317 0.034
\tau_1/\tau_2 0.454 0.928 1.436
Q_{PAH} 0.392 1.119 2.521
U_{min} 2.939 8.299 15.714
{\rm log}_{10}(\gamma_e)\, -3.133 -2.140 -1.040

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.086 -2.961 -2.119
{\rm log}_{10}(\tau_{AGN})\, 0.957 1.387 1.840

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.487 -0.726 -0.407
0.03-0.10 Gyr 0.272 0.586 0.938
0.10-0.33 Gyr -2.942 -0.989 -0.106
0.33-1.07 Gyr -4.439 -1.411 -0.525
1.07-3.48 Gyr -3.375 -1.074 -0.337
3.48-11.38 Gyr -1.036 -0.034 0.150
11.38-12.65 Gyr -0.477 0.354 1.108