2025chv results

Information

Transient
Name:AT2025chv
Right ascension: 3h13m12.34s
Declination:12d42m50.97s
Discovery Date:Feb. 21, 2025, 4:17 a.m.
Classification:None
Redshift:None
MW E(B-V):0.425
Host
Name:2025chv
Right ascension: 3h13m12.38s
Declination:12d42m57.86s
Redshift:0.059651
Photometric Redshift:0.042
 

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 2.38
Transient MWEBV processed 0.05
Host match processed 1.67
Host information processed 0.08
Host MWEBV processed 0.05
Global aperture construction processed 0.56
Global aperture photometry processed 3.4
Validate global photometry processed 10.04
Global host SED inference processed 458.26
Local aperture photometry processed 3.33
Validate local photometry processed 0.02
Local host SED inference processed 465.55
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):3h13m12.34s, 12d42m50.97s
semi major axis, semi minor axis (arcsec):1.74, 1.74
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 7.96 0.46 21.648 0.063 AB
PanSTARRS_r 19.58 0.52 20.671 0.029 AB
PanSTARRS_i 33.57 0.76 20.085 0.025 AB
PanSTARRS_z 46.62 1.21 19.729 0.028 AB
PanSTARRS_y 64.56 2.96 19.375 0.050 AB

Aperture details

RA, DEC (J2000):3h13m12.38s, 12d42m58.15s
semi major axis, semi minor axis (arcsec):12.79, 9.62
angle (degrees, anti-clockwise from east):-163.67
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 439.32 2.99 17.293 0.007 AB
PanSTARRS_r 1064.74 3.31 16.332 0.003 AB
PanSTARRS_i 1821.54 4.78 15.749 0.003 AB
PanSTARRS_z 2531.72 7.56 15.391 0.003 AB
PanSTARRS_y 3362.28 18.46 15.083 0.006 AB
2MASS_J 4529.49 322.37 13.865 0.077 Vega
2MASS_H 6730.21 460.57 12.962 0.074 Vega
2MASS_K 6438.44 519.27 12.540 0.088 Vega
WISE_W1 3560.82 43.9 12.322 0.013 Vega
WISE_W2 3008.84 59.72 11.865 0.022 Vega
WISE_W3 11855.96 240.98 8.541 0.022 Vega
WISE_W4 22515.27 1709.88 6.399 0.082 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.906 9.074 9.200
{\rm log}_{10}({\rm SFR}) -1.754 -1.089 -0.454
{\rm log}_{10}({\rm sSFR}) -10.814 -10.161 -9.452
{\rm stellar\ age} 2.708 6.512 8.179

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.335 -0.514 0.058
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.292 -0.348 0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.260 0.703 1.256
\delta -0.522 -0.154 0.124
\tau_1/\tau_2 0.623 1.011 1.378
Q_{PAH} 0.990 2.811 5.104
U_{min} 2.879 7.853 15.205
{\rm log}_{10}(\gamma_e)\, -3.181 -2.060 -0.728

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.675 -0.761 -0.175
{\rm log}_{10}(\tau_{AGN})\, 1.105 1.523 1.984

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.093 -1.212 -0.775
0.03-0.10 Gyr -2.085 -1.096 -0.358
0.10-0.33 Gyr -1.752 -1.004 -0.345
0.33-1.08 Gyr -1.829 -1.020 -0.420
1.08-3.55 Gyr -2.096 -0.975 -0.670
3.55-11.67 Gyr -2.035 -0.908 -0.658
11.67-12.96 Gyr -1.972 -0.890 -0.271

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.659 10.792 10.883
{\rm log}_{10}({\rm SFR}) -0.315 0.522 1.132
{\rm log}_{10}({\rm sSFR}) -11.074 -10.284 -9.672
{\rm stellar\ age} 5.323 7.189 9.073

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.348 -0.162 -0.038
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.572 -0.419 0.308

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.053 0.204 0.414
\delta -0.881 -0.546 0.082
\tau_1/\tau_2 0.637 1.024 1.398
Q_{PAH} 0.422 1.346 3.045
U_{min} 2.278 6.828 13.823
{\rm log}_{10}(\gamma_e)\, -3.398 -2.499 -1.392

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -1.204 -0.920 -0.762
{\rm log}_{10}(\tau_{AGN})\, 1.453 1.623 1.739

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.216 -0.144 0.431
0.03-0.10 Gyr -0.373 0.558 1.293
0.10-0.33 Gyr -0.202 0.536 0.984
0.33-1.08 Gyr -0.212 0.457 0.829
1.08-3.55 Gyr 0.068 0.713 1.092
3.55-11.67 Gyr 0.335 0.852 1.043
11.67-12.96 Gyr 0.196 0.959 1.636