2025qtn

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.99
Cutout download processed 30.27
Global aperture construction processed 0.67
Local aperture photometry processed 7.29
Global aperture photometry processed 6.16
Validate local photometry processed 0.03
Validate global photometry processed 17.41
Host information processed 0.17
Global host SED inference processed 520.4
Local host SED inference processed 668.7
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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