2025qtn results

Information

Transient
Name:AT2025qtn
Right ascension: 17h09m34.99s
Declination:34d29m07.41s
Discovery Date:July 9, 2025, 5:07 a.m.
Classification:None
Redshift:None
MW E(B-V):0.022
Host
Name:
Right ascension: 17h09m34.99s
Declination:34d29m08.20s
Redshift:None
Photometric Redshift:0.073
 

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_z
 DES_r
DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 30.27
Transient MWEBV processed 0.14
Host match processed 5.99
Host information processed 0.17
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 6.16
Validate global photometry processed 17.41
Global host SED inference processed 520.4
Local aperture photometry processed 7.29
Validate local photometry processed 0.03
Local host SED inference processed 668.7
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):17h09m34.99s, 34d29m07.41s
semi major axis, semi minor axis (arcsec):1.44, 1.44
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 38.72 1.65 19.930 0.046 AB
DES_g 29.75 0.39 20.216 0.014 AB
PanSTARRS_g 38.02 0.28 19.950 0.008 AB
SDSS_r 86.89 2.49 19.053 0.031 AB
PanSTARRS_r 81.86 0.47 19.117 0.006 AB
SDSS_i 127.91 3.09 18.633 0.026 AB
PanSTARRS_i 105.89 0.29 18.838 0.003 AB
PanSTARRS_z 143.39 1.28 18.509 0.010 AB
SDSS_z 156.01 4.63 18.417 0.032 AB
DES_z 152.76 3.32 18.440 0.024 AB
PanSTARRS_y 143.91 2.93 18.505 0.022 AB

Aperture details

RA, DEC (J2000):17h09m34.98s, 34d29m08.37s
semi major axis, semi minor axis (arcsec):4.0, 2.56
angle (degrees, anti-clockwise from east):-2.95
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.07 0.28 26.806 4.436 AB
GALEX_NUV 1.28 0.33 23.633 0.281 AB
SDSS_u 12.06 2.37 21.196 0.213 AB
SDSS_g 65.99 2.27 19.351 0.037 AB
DES_g 59.83 0.56 19.458 0.010 AB
PanSTARRS_g 69.19 0.59 19.300 0.009 AB
SDSS_r 144.33 3.39 18.502 0.025 AB
PanSTARRS_r 143.53 0.99 18.508 0.007 AB
SDSS_i 202.09 4.26 18.136 0.023 AB
PanSTARRS_i 196.91 0.59 18.164 0.003 AB
PanSTARRS_z 251.61 2.7 17.898 0.012 AB
SDSS_z 259.58 8.46 17.864 0.035 AB
DES_z 265.94 4.43 17.838 0.018 AB
PanSTARRS_y 260.39 6.24 17.861 0.026 AB
2MASS_J 347.1 79.16 16.654 0.248 Vega
2MASS_H 432.58 129.65 15.942 0.325 Vega
2MASS_K 519.65 135.8 15.273 0.284 Vega
WISE_W1 131.14 10.99 15.907 0.091 Vega
WISE_W2 77.09 11.54 15.844 0.162 Vega
WISE_W3 -34.31 42.91 Vega
WISE_W4 -389.64 240.23 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.706 9.798 9.889
{\rm log}_{10}({\rm SFR}) -2.465 -1.434 -0.732
{\rm log}_{10}({\rm sSFR}) -12.363 -11.213 -10.544
{\rm stellar\ age} 7.994 11.694 12.138

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.419 -0.899 -0.562
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.566 -0.855 -0.084

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.381 0.695 1.070
\delta -0.314 0.003 0.259
\tau_1/\tau_2 0.495 0.959 1.420
Q_{PAH} 0.856 2.747 5.266
U_{min} 3.419 9.365 17.196
{\rm log}_{10}(\gamma_e)\, -3.309 -2.311 -0.853

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.830 -0.567 -0.204
{\rm log}_{10}(\tau_{AGN})\, 1.073 1.544 1.991

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.235 -1.601 -0.735
0.03-0.10 Gyr -3.429 -1.625 -0.733
0.10-0.33 Gyr -4.865 -2.336 -1.163
0.33-1.07 Gyr -6.511 -3.243 -1.381
1.07-3.51 Gyr -5.312 -3.063 -1.172
3.51-11.51 Gyr -2.864 -0.934 -0.044
11.51-12.79 Gyr 0.021 0.899 1.030

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.832 9.943 10.012
{\rm log}_{10}({\rm SFR}) -1.977 -1.169 -0.586
{\rm log}_{10}({\rm sSFR}) -11.934 -11.084 -10.447
{\rm stellar\ age} 7.646 11.218 12.126

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.554 -1.198 -0.890
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.636 -0.381 0.339

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.313 0.474 0.635
\delta -0.869 -0.689 -0.459
\tau_1/\tau_2 0.593 1.024 1.500
Q_{PAH} 1.173 2.910 4.893
U_{min} 3.494 9.607 17.182
{\rm log}_{10}(\gamma_e)\, -2.072 -1.128 -0.383

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.116 -2.829 -1.732
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.577 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.471 -1.772 -1.165
0.03-0.10 Gyr -2.112 -1.082 -0.444
0.10-0.33 Gyr -4.009 -1.639 -0.704
0.33-1.07 Gyr -5.770 -2.412 -1.059
1.07-3.51 Gyr -4.466 -2.096 -0.709
3.51-11.51 Gyr -2.634 -0.514 0.102
11.51-12.79 Gyr -0.076 1.005 1.155