2025chr results

Information

Transient
Name:AT2025chr
Right ascension: 7h41m18.79s
Declination:3d59m14.19s
Discovery Date:Feb. 21, 2025, 5:33 a.m.
Classification:None
Redshift:None
MW E(B-V):0.047
Host
Name:2025chr
Right ascension: 7h41m18.50s
Declination:3d59m11.12s
Redshift:0.040271
Photometric Redshift:0.056
 

Cutout Download Report

Downloaded Unavailable
2MASS_H
2MASS_J
2MASS_K
WISE_W1
WISE_W2
WISE_W3
WISE_W4
PanSTARRS_g
PanSTARRS_r
PanSTARRS_i
PanSTARRS_z
PanSTARRS_y
GALEX_NUV
GALEX_FUV
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 2.29
Transient MWEBV processed 0.06
Host match processed 3.39
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.61
Global aperture photometry processed 3.48
Validate global photometry processed 9.5
Global host SED inference processed 471.32
Local aperture photometry processed 3.3
Validate local photometry processed 0.02
Local host SED inference processed 505.8
 

Imaging data


 

Spectral Energy Distribution


Warning: possible contaminating objects in the global aperture

 

Aperture Photometry


Aperture details

RA, DEC (J2000):7h41m18.79s, 3d59m14.19s
semi major axis, semi minor axis (arcsec):2.51, 2.51
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 104.87 0.7 18.848 0.007 AB
PanSTARRS_r 192.87 1.07 18.187 0.006 AB
PanSTARRS_i 278.22 1.41 17.789 0.005 AB
PanSTARRS_z 308.72 1.94 17.676 0.007 AB
PanSTARRS_y 384.04 6.35 17.439 0.018 AB

Aperture details

RA, DEC (J2000):7h41m18.49s, 3d59m11.04s
semi major axis, semi minor axis (arcsec):16.03, 15.36
angle (degrees, anti-clockwise from east):-96.78
Warning: possible contaminating objects in the global aperture
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 1917.96 4.21 15.693 0.002 AB
PanSTARRS_r 3487.23 6.47 15.044 0.002 AB
PanSTARRS_i 4981.18 8.33 14.657 0.002 AB
PanSTARRS_z 5748.19 11.73 14.501 0.002 AB
PanSTARRS_y 6691.77 38.28 14.336 0.006 AB
2MASS_J 8620.69 489.59 13.166 0.062 Vega
2MASS_H 10889.84 835.81 12.440 0.083 Vega
2MASS_K 8041.07 825.99 12.299 0.112 Vega
WISE_W1 4418.97 57.84 12.088 0.014 Vega
WISE_W2 2512.37 73.3 12.061 0.032 Vega
WISE_W3 6046.97 231.26 9.272 0.042 Vega
WISE_W4 5881.75 1557.85 7.856 0.288 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.389 9.498 9.630
{\rm log}_{10}({\rm SFR}) -1.448 -0.733 -0.179
{\rm log}_{10}({\rm sSFR}) -10.965 -10.236 -9.643
{\rm stellar\ age} 6.776 8.350 11.629

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.688 -1.174 -0.671
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.848 0.238 0.410

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.278 0.851 1.243
\delta -0.434 -0.031 0.262
\tau_1/\tau_2 0.568 0.939 1.319
Q_{PAH} 0.484 1.753 3.730
U_{min} 2.785 7.613 14.914
{\rm log}_{10}(\gamma_e)\, -3.434 -2.421 -0.986

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.180 -1.857 -0.332
{\rm log}_{10}(\tau_{AGN})\, 0.968 1.327 1.797

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.584 -0.919 -0.456
0.03-0.10 Gyr -1.600 -0.714 -0.085
0.10-0.33 Gyr -2.236 -1.081 -0.391
0.33-1.09 Gyr -2.714 -1.324 -0.576
1.09-3.60 Gyr -2.628 -1.156 -0.482
3.60-11.90 Gyr -1.152 -0.466 -0.265
11.90-13.22 Gyr -0.686 -0.046 0.628

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.588 10.722 10.846
{\rm log}_{10}({\rm SFR}) -4.826 -1.851 -0.812
{\rm log}_{10}({\rm sSFR}) -15.580 -12.622 -11.555
{\rm stellar\ age} 6.366 7.749 10.801

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.504 -0.962 -0.604
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.497 -0.721 0.058

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.240 0.487 0.745
\delta -0.105 0.140 0.304
\tau_1/\tau_2 0.439 0.911 1.369
Q_{PAH} 1.012 2.243 4.843
U_{min} 3.514 9.606 18.053
{\rm log}_{10}(\gamma_e)\, -2.981 -1.949 -1.167

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.186 -3.188 -2.259
{\rm log}_{10}(\tau_{AGN})\, 1.130 1.635 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -6.128 -2.468 -0.847
0.03-0.10 Gyr -5.578 -2.489 -0.826
0.10-0.33 Gyr -5.527 -2.705 -0.816
0.33-1.09 Gyr -3.806 -1.877 -0.257
1.09-3.60 Gyr -2.251 0.225 0.983
3.60-11.90 Gyr -0.546 0.851 1.061
11.90-13.22 Gyr -1.686 0.665 1.787