2025chj results

Information

Transient
Name:AT2025chj
Right ascension: 6h55m44.31s
Declination:43d13m30.89s
Discovery Date:Feb. 22, 2025, 1:49 a.m.
Classification:None
Redshift:None
MW E(B-V):0.089
Host
Name:2025chj
Right ascension: 6h55m44.08s
Declination:43d13m27.59s
Redshift:None
Photometric Redshift:0.094
 

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_r
DES_i
DES_z
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 3.55
Transient MWEBV processed 0.11
Host match processed 2.0
Host information processed 0.09
Host MWEBV processed 0.08
Global aperture construction processed 0.65
Global aperture photometry processed 3.85
Validate global photometry processed 10.73
Global host SED inference processed 407.9
Local aperture photometry processed 3.64
Validate local photometry processed 0.02
Local host SED inference processed 700.59
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):6h55m44.31s, 43d13m30.89s
semi major axis, semi minor axis (arcsec):1.15, 1.15
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_i 2.79 0.29 22.786 0.113 AB
PanSTARRS_z 2.3 0.88 22.994 0.414 AB
PanSTARRS_y 7.91 1.93 21.655 0.265 AB

Aperture details

RA, DEC (J2000):6h55m44.07s, 43d13m27.77s
semi major axis, semi minor axis (arcsec):4.9, 4.55
angle (degrees, anti-clockwise from east):-17.37
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.34 2.45 21.597 0.318 AB
PanSTARRS_g 86.93 1.14 19.052 0.014 AB
PanSTARRS_r 149.63 1.58 18.462 0.011 AB
PanSTARRS_i 192.0 1.16 18.192 0.007 AB
PanSTARRS_z 219.09 3.38 18.048 0.017 AB
PanSTARRS_y 240.08 7.36 17.949 0.033 AB
2MASS_J 556.59 138.51 16.141 0.270 Vega
2MASS_H 434.72 197.22 15.937 0.493 Vega
2MASS_K 432.89 226.3 15.471 0.568 Vega
WISE_W1 208.58 17.09 15.403 0.089 Vega
WISE_W3 307.99 98.11 12.505 0.346 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.581 8.171 8.529
{\rm log}_{10}({\rm SFR}) -1.071 -0.559 -0.015
{\rm log}_{10}({\rm sSFR}) -9.410 -8.471 -7.960
{\rm stellar\ age} 0.059 2.143 6.768

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.299 -0.508 0.008
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.288 -0.514 0.213

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 1.376 2.025 2.804
\delta 0.015 0.221 0.341
\tau_1/\tau_2 0.688 1.121 1.569
Q_{PAH} 1.116 3.033 5.482
U_{min} 3.324 9.539 17.361
{\rm log}_{10}(\gamma_e)\, -3.103 -1.987 -0.729

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.651 -1.056 0.177
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.547 1.997

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.034 -0.397 0.172
0.03-0.10 Gyr -2.942 -1.174 -0.179
0.10-0.33 Gyr -4.369 -1.902 -0.932
0.33-1.06 Gyr -5.938 -2.666 -1.417
1.06-3.46 Gyr -6.766 -2.812 -1.495
3.46-11.28 Gyr -7.528 -3.046 -1.488
11.28-12.53 Gyr -8.125 -2.960 -1.312

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.783 9.861 9.944
{\rm log}_{10}({\rm SFR}) -0.610 -0.312 -0.045
{\rm log}_{10}({\rm sSFR}) -10.442 -10.171 -9.911
{\rm stellar\ age} 5.157 6.451 7.677

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.865 -0.557 -0.325
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 -0.881 -0.056

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.095 0.195 0.349
\delta -0.296 0.132 0.321
\tau_1/\tau_2 0.660 0.989 1.313
Q_{PAH} 1.764 3.446 5.408
U_{min} 2.703 7.364 14.018
{\rm log}_{10}(\gamma_e)\, -2.817 -1.893 -0.852

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.412 -1.991 -1.307
{\rm log}_{10}(\tau_{AGN})\, 0.897 1.279 1.745

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.639 -0.393 -0.223
0.03-0.10 Gyr -0.703 -0.294 0.052
0.10-0.33 Gyr -0.576 -0.197 0.075
0.33-1.06 Gyr -0.478 -0.137 0.118
1.06-3.46 Gyr -0.329 -0.022 0.203
3.46-11.28 Gyr -0.287 -0.043 0.100
11.28-12.53 Gyr -0.559 0.004 0.464