2025qch results

Information

Transient
Name:AT2025qch
Right ascension: 18h07m29.27s
Declination:51d14m04.39s
Discovery Date:June 27, 2025, 8:15 a.m.
Classification:None
Redshift:None
MW E(B-V):0.047
Host
Name:
Right ascension: 18h07m29.03s
Declination:51d14m02.81s
Redshift:None
Photometric Redshift:0.145
 

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
DES_g
DES_z
 SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
DES_r
DES_i
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 12.96
Transient MWEBV processed 0.05
Host match processed 5.76
Host information processed 0.14
Host MWEBV processed 0.04
Global aperture construction processed 0.66
Global aperture photometry processed 4.94
Validate global photometry processed 13.01
Global host SED inference processed 510.07
Local aperture photometry processed 5.53
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):18h07m28.99s, 51d14m02.69s
semi major axis, semi minor axis (arcsec):3.83, 1.64
angle (degrees, anti-clockwise from east):-32.04
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 6.74 2.15 21.828 0.346 AB
GALEX_NUV 3.99 1.43 22.397 0.388 AB
DES_g 26.02 0.31 20.362 0.013 AB
PanSTARRS_g 28.04 0.57 20.281 0.022 AB
PanSTARRS_r 59.63 0.74 19.461 0.013 AB
PanSTARRS_i 93.05 0.65 18.978 0.008 AB
PanSTARRS_z 125.33 1.87 18.655 0.016 AB
DES_z 131.78 2.04 18.600 0.017 AB
PanSTARRS_y 144.49 3.14 18.500 0.024 AB
2MASS_J 247.4 87.27 17.022 0.383 Vega
2MASS_H 495.14 150.26 15.796 0.329 Vega
2MASS_K 500.63 151.81 15.313 0.329 Vega
WISE_W1 251.96 9.18 15.198 0.040 Vega
WISE_W2 181.89 12.23 14.912 0.073 Vega
WISE_W3 521.56 40.66 11.933 0.085 Vega
WISE_W4 633.81 245.24 10.275 0.420 Vega
 

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})\, 10.284 10.359 10.419
{\rm log}_{10}({\rm SFR}) -0.243 0.013 0.266
{\rm log}_{10}({\rm sSFR}) -10.594 -10.343 -10.101
{\rm stellar\ age} 5.438 6.579 7.641

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.514 -0.226 0.011
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.669 -1.003 0.007

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.790 0.976 1.190
\delta 0.251 0.335 0.383
\tau_1/\tau_2 0.451 0.814 1.176
Q_{PAH} 1.323 2.945 4.856
U_{min} 2.627 7.257 14.182
{\rm log}_{10}(\gamma_e)\, -2.888 -1.986 -1.090

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.854 -2.343 -1.431
{\rm log}_{10}(\tau_{AGN})\, 0.913 1.322 1.836

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.162 0.103 0.334
0.03-0.10 Gyr -0.493 -0.048 0.286
0.10-0.32 Gyr -0.660 -0.152 0.199
0.32-1.04 Gyr -0.592 -0.078 0.278
1.04-3.33 Gyr 0.018 0.416 0.698
3.33-10.72 Gyr 0.204 0.521 0.644
10.72-11.91 Gyr -0.147 0.520 1.030