2025chw results

Information

Transient
Name:AT2025chw
Right ascension: 2h43m52.46s
Declination:10d42m13.15s
Discovery Date:Feb. 22, 2025, 2:57 a.m.
Classification:None
Redshift:None
MW E(B-V):0.154
Host
Name:2025chw
Right ascension: 2h43m52.89s
Declination:10d42m08.65s
Redshift:0.064653
Photometric Redshift:0.048
 

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 2.4
Transient MWEBV processed 0.05
Host match processed 1.66
Host information processed 0.1
Host MWEBV processed 0.06
Global aperture construction processed 0.64
Global aperture photometry processed 3.47
Validate global photometry processed 9.48
Global host SED inference processed 408.1
Local aperture photometry processed 3.35
Validate local photometry processed 0.02
Local host SED inference processed 449.28
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):2h43m52.46s, 10d42m13.15s
semi major axis, semi minor axis (arcsec):1.61, 1.61
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 6.53 0.45 21.862 0.075 AB
PanSTARRS_r 14.84 0.6 20.972 0.044 AB
PanSTARRS_i 24.71 0.55 20.418 0.024 AB
PanSTARRS_z 33.88 0.98 20.075 0.031 AB
PanSTARRS_y 38.72 2.61 19.930 0.073 AB

Aperture details

RA, DEC (J2000):2h43m52.88s, 10d42m08.62s
semi major axis, semi minor axis (arcsec):12.21, 10.97
angle (degrees, anti-clockwise from east):-169.52
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 714.75 3.28 16.765 0.005 AB
PanSTARRS_r 1645.3 4.34 15.859 0.003 AB
PanSTARRS_i 2516.12 3.97 15.398 0.002 AB
PanSTARRS_z 3367.1 6.95 15.082 0.002 AB
PanSTARRS_y 4042.06 18.36 14.883 0.005 AB
2MASS_J 5079.66 312.61 13.741 0.067 Vega
2MASS_H 6766.11 531.72 12.957 0.085 Vega
2MASS_K 6722.21 515.13 12.493 0.083 Vega
WISE_W1 3211.74 35.54 12.434 0.012 Vega
WISE_W2 2044.84 43.86 12.284 0.023 Vega
WISE_W3 4305.96 187.7 9.641 0.047 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.964 9.112 9.240
{\rm log}_{10}({\rm SFR}) -2.004 -1.405 -0.730
{\rm log}_{10}({\rm sSFR}) -11.107 -10.529 -9.798
{\rm stellar\ age} 5.575 7.444 9.533

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.433 -0.800 -0.270
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.603 -0.761 0.163

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.752 1.231 1.752
\delta -0.071 0.145 0.304
\tau_1/\tau_2 0.662 1.006 1.370
Q_{PAH} 0.755 2.559 5.231
U_{min} 2.938 7.995 15.153
{\rm log}_{10}(\gamma_e)\, -2.956 -1.899 -0.812

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.390 -0.656 -0.082
{\rm log}_{10}(\tau_{AGN})\, 0.957 1.400 1.911

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.407 -1.485 -0.770
0.03-0.10 Gyr -2.203 -1.443 -0.694
0.10-0.33 Gyr -2.430 -1.488 -0.842
0.33-1.08 Gyr -2.667 -1.442 -0.754
1.08-3.54 Gyr -2.513 -1.137 -0.730
3.54-11.61 Gyr -1.508 -0.797 -0.602
11.61-12.90 Gyr -1.509 -0.714 0.026

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.865 10.960 11.046
{\rm log}_{10}({\rm SFR}) -1.648 -0.728 0.144
{\rm log}_{10}({\rm sSFR}) -12.578 -11.687 -10.800
{\rm stellar\ age} 6.974 7.964 10.832

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.742 -0.469 -0.279
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.555 -0.589 0.254

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.209 0.325 0.499
\delta -0.825 -0.445 0.006
\tau_1/\tau_2 0.609 0.996 1.400
Q_{PAH} 0.998 2.164 4.112
U_{min} 2.683 8.340 16.077
{\rm log}_{10}(\gamma_e)\, -2.746 -1.616 -0.687

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.450 -1.743 -1.360
{\rm log}_{10}(\tau_{AGN})\, 1.102 1.516 1.840

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.650 -0.959 -0.166
0.03-0.10 Gyr -2.054 -0.756 0.223
0.10-0.33 Gyr -2.128 -0.675 0.229
0.33-1.08 Gyr -2.196 -0.506 0.268
1.08-3.54 Gyr -1.310 0.308 0.980
3.54-11.61 Gyr 0.434 1.095 1.243
11.61-12.90 Gyr 0.476 1.261 2.063