2025qtr

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Information

Transient

Name: AT2025qtr
Right ascension: 18h51m31.86s
Declination: 42d04m54.48s
Discovery Date: July 3, 2025, 8 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.122

Host

Name:
Right ascension: 18h51m32.04s
Declination: 42d04m55.75s
Redshift: None
Photometric Redshift: 0.116
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 8.39
Cutout download processed 24.54
Global aperture construction processed 0.72
Local aperture photometry processed 4.34
Global aperture photometry processed 3.82
Validate local photometry no valid phot 0.02
Validate global photometry processed 10.39
Host information processed 0.14
Global host SED inference processed 440.72
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.05
Processing status blocked 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) = 18h51m31.86s, 42d04m54.48s
semi major axis, semi minor axis (arcsec) = 0.96, 0.96
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 18h51m32.03s, 42d04m55.86s
semi major axis, semi minor axis (arcsec) = 6.14, 2.75
angle (degrees, anti-clockwise from east) = -116.99

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 61.17 0.83 19.434 0.015 AB
PanSTARRS_r 143.4 1.04 18.509 0.008 AB
PanSTARRS_i 218.21 0.88 18.053 0.004 AB
PanSTARRS_z 289.81 3.01 17.745 0.011 AB
PanSTARRS_y 372.88 7.29 17.471 0.021 AB
2MASS_J 390.79 108.11 16.525 0.300 Vega
2MASS_H 843.55 167.4 15.217 0.215 Vega
2MASS_K 224.88 219.53 16.182 1.060 Vega
WISE_W1 228.3 23.44 15.305 0.111 Vega
WISE_W2 131.96 20.86 15.260 0.172 Vega
WISE_W3 395.45 47.78 12.233 0.131 Vega
WISE_W4 314.51 269.1 11.036 0.929 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.279 10.359 10.421
{\rm log}_{10}({\rm SFR}) -1.309 -0.542 -0.013
{\rm log}_{10}({\rm sSFR}) -11.691 -10.894 -10.330
{\rm stellar\ age} 6.498 7.457 9.472

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.644 -0.465 -0.331
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.316 -0.560 0.009

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.175 0.298 0.462
\delta -0.945 -0.789 -0.494
\tau_1/\tau_2 0.603 0.970 1.340
Q_{PAH} 0.641 1.847 3.650
U_{min} 2.713 7.896 14.705
{\rm log}_{10}(\gamma_e)\, -2.274 -1.340 -0.510

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.238 -2.929 -1.877
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.583 1.930

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.614 -0.718 -0.316
0.03-0.10 Gyr -1.412 -0.522 0.094
0.10-0.32 Gyr -1.418 -0.460 0.105
0.32-1.05 Gyr -1.462 -0.441 0.150
1.05-3.41 Gyr -0.909 -0.006 0.387
3.41-11.04 Gyr 0.151 0.520 0.649
11.04-12.26 Gyr 0.128 0.684 1.326