2025chm

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Information

Transient

Name: AT2025chm
Right ascension: 7h40m59.04s
Declination: 16d31m53.62s
Discovery Date: Feb. 20, 2025, 8:39 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.033

Host

Name: 2025chm
Right ascension: 7h40m59.03s
Declination: 16d31m53.52s
Redshift: None
Photometric Redshift: 0.106
 

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 2.83
Cutout download processed 16.64
Global aperture construction processed 0.6
Local aperture photometry processed 5.03
Global aperture photometry processed 5.74
Validate local photometry processed 0.02
Validate global photometry processed 16.52
Host information processed 0.08
Global host SED inference processed 429.73
Local host SED inference processed 581.06
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.07
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) = 7h40m59.04s, 16d31m53.62s
semi major axis, semi minor axis (arcsec) = 1.03, 1.03
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 88.01 1.84 19.039 0.023 AB

Aperture details

RA, DEC (J2000) = 7h40m59.03s, 16d31m53.69s
semi major axis, semi minor axis (arcsec) = 3.82, 3.72
angle (degrees, anti-clockwise from east) = -35.26

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.31 0.44 25.186 1.556 AB
GALEX_NUV 1.5 0.51 23.458 0.371 AB
SDSS_u 11.96 3.32 21.206 0.301 AB
SDSS_g 64.05 2.31 19.384 0.039 AB
DES_g 69.39 0.44 19.297 0.007 AB
PanSTARRS_g 69.94 0.96 19.288 0.015 AB
SDSS_r 132.64 3.38 18.593 0.028 AB
PanSTARRS_r 134.49 0.72 18.578 0.006 AB
SDSS_i 180.81 4.43 18.257 0.027 AB
PanSTARRS_i 182.04 1.41 18.250 0.008 AB
PanSTARRS_z 211.95 3.12 18.084 0.016 AB
SDSS_z 246.04 9.76 17.923 0.043 AB
PanSTARRS_y 248.16 6.18 17.913 0.027 AB
2MASS_J 452.81 132.87 16.365 0.319 Vega
2MASS_H 178.88 198.05 16.901 1.202 Vega
2MASS_K 718.71 214.43 14.921 0.324 Vega
WISE_W1 166.47 15.37 15.648 0.100 Vega
WISE_W3 -4.61 80.06 Vega
WISE_W4 239.88 485.33 11.330 2.197 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})\, 8.887 9.355 9.727
{\rm log}_{10}({\rm SFR}) -0.488 0.065 0.492
{\rm log}_{10}({\rm sSFR}) -10.022 -9.396 -8.392
{\rm stellar\ age} 0.867 5.242 8.286

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.416 -0.324 0.085
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.217 -0.476 0.103

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.553 0.907 1.309
\delta -0.667 -0.327 0.094
\tau_1/\tau_2 0.481 0.891 1.378
Q_{PAH} 0.525 1.904 5.060
U_{min} 3.205 8.455 15.795
{\rm log}_{10}(\gamma_e)\, -3.342 -2.209 -0.932

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.758 -1.742 -0.625
{\rm log}_{10}(\tau_{AGN})\, 1.063 1.600 1.993

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.304 0.242 0.663
0.03-0.10 Gyr -2.143 -0.439 0.369
0.10-0.32 Gyr -3.061 -0.797 -0.015
0.32-1.06 Gyr -3.422 -0.884 -0.010
1.06-3.43 Gyr -3.463 -1.021 -0.339
3.43-11.15 Gyr -3.120 -0.927 -0.257
11.15-12.38 Gyr -2.830 -0.773 0.351

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.910 10.014 10.091
{\rm log}_{10}({\rm SFR}) -1.000 -0.437 -0.073
{\rm log}_{10}({\rm sSFR}) -11.013 -10.430 -10.067
{\rm stellar\ age} 5.555 6.955 8.331

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.986 -0.594 -0.312
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.160 -0.629 -0.168

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.164 0.338 0.544
\delta -0.866 -0.575 -0.226
\tau_1/\tau_2 0.721 1.060 1.388
Q_{PAH} 0.988 2.860 4.930
U_{min} 2.654 7.584 14.338
{\rm log}_{10}(\gamma_e)\, -2.755 -1.667 -0.502

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.550 -1.834 -0.810
{\rm log}_{10}(\tau_{AGN})\, 1.098 1.515 1.850

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.925 -0.409 -0.143
0.03-0.10 Gyr -1.219 -0.462 -0.032
0.10-0.32 Gyr -1.112 -0.380 0.080
0.32-1.06 Gyr -0.930 -0.232 0.203
1.06-3.43 Gyr -0.513 -0.032 0.229
3.43-11.15 Gyr -0.189 0.137 0.298
11.15-12.38 Gyr -0.372 0.205 0.779