2025chj

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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
 

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 2.0
Cutout download processed 3.55
Global aperture construction processed 0.65
Local aperture photometry processed 3.64
Global aperture photometry processed 3.85
Validate local photometry processed 0.02
Validate global photometry processed 10.73
Host information processed 0.09
Global host SED inference processed 407.9
Local host SED inference processed 700.59
Transient information processed 0.0
Transient MWEBV processed 0.11
Host MWEBV processed 0.08
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) = 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
 

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})\, 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