2025qhn

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Information

Transient

Name: AT2025qhn
Right ascension: 13h49m54.77s
Declination: -3d40m42.77s
Discovery Date: June 21, 2025, 1:56 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.034

Host

Name:
Right ascension: 13h49m54.73s
Declination: -3d40m40.69s
Redshift: 0.196226
Photometric Redshift: 0.227
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 35.07
Transient MWEBV processed 0.04
Host match processed 6.59
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 6.01
Validate global photometry processed 16.26
Global host SED inference processed 509.93
Local aperture photometry processed 7.32
Validate local photometry no valid phot 0.03
Local host SED inference not processed None
 

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) = 13h49m54.77s, -3d40m42.77s
semi major axis, semi minor axis (arcsec) = 0.62, 0.62
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) = 13h49m54.74s, -3d40m40.81s
semi major axis, semi minor axis (arcsec) = 9.04, 6.34
angle (degrees, anti-clockwise from east) = -49.18

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 21.76 3.42 20.556 0.171 AB
SDSS_u 59.9 6.25 19.457 0.113 AB
DES_g 144.05 0.75 18.504 0.006 AB
PanSTARRS_g 160.45 1.69 18.387 0.011 AB
SDSS_r 292.1 5.65 17.736 0.021 AB
DES_r 320.38 1.95 17.636 0.007 AB
SDSS_i 463.08 8.35 17.236 0.020 AB
PanSTARRS_i 446.5 3.16 17.275 0.008 AB
SDSS_z 624.51 24.38 16.911 0.042 AB
WISE_W3 421.98 69.63 12.163 0.179 Vega
WISE_W4 -172.4 358.99 Vega
 

Imaging data

Click the image to load the interactive plot.


 

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})\, 10.998 11.067 11.143
{\rm log}_{10}({\rm SFR}) 1.005 1.355 1.615
{\rm log}_{10}({\rm sSFR}) -10.044 -9.705 -9.418
{\rm stellar\ age} 5.937 6.710 8.430

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.699 -0.169 0.045
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.760 -0.001 0.357

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.238 0.414 0.707
\delta -0.664 -0.283 0.088
\tau_1/\tau_2 0.632 1.017 1.456
Q_{PAH} 0.317 0.913 1.845
U_{min} 2.433 7.183 14.338
{\rm log}_{10}(\gamma_e)\, -3.506 -2.753 -1.766

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.410 -3.383 -1.998
{\rm log}_{10}(\tau_{AGN})\, 1.009 1.470 1.904

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.056 0.748 1.051
0.03-0.10 Gyr 1.086 1.480 1.755
0.10-0.32 Gyr 0.145 0.868 1.320
0.32-1.01 Gyr -0.551 0.503 0.898
1.01-3.21 Gyr 0.085 0.802 1.155
3.21-10.21 Gyr 0.945 1.246 1.370
10.21-11.35 Gyr 0.860 1.425 2.028