2025chg results

Information

Transient
Name:AT2025chg
Right ascension: 9h48m51.40s
Declination:69d47m24.02s
Discovery Date:Feb. 21, 2025, 10 p.m.
Classification:None
Redshift:None
MW E(B-V):0.064
Host
Name:2025chg
Right ascension: 9h48m51.09s
Declination:69d47m24.12s
Redshift:None
Photometric Redshift:0.171
 

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
SDSS_i
SDSS_r
SDSS_u
SDSS_z
SDSS_g
GALEX_NUV
GALEX_FUV
DES_g
DES_r
DES_i
DES_z
DES_Y
 

Processing Status: blocked

Task Name Status Time (s)
Cutout download processed 12.93
Transient MWEBV processed 0.04
Host match processed 1.92
Host information processed 0.08
Host MWEBV processed 0.08
Global aperture construction processed 0.6
Global aperture photometry processed 4.33
Validate global photometry processed 13.02
Global host SED inference processed 392.11
Local aperture photometry processed 4.23
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

Imaging data


 

Spectral Energy Distribution

 

Aperture Photometry


Aperture details

Data not available


Aperture details

RA, DEC (J2000):9h48m51.06s, 69d47m24.36s
semi major axis, semi minor axis (arcsec):4.63, 3.29
angle (degrees, anti-clockwise from east):-170.96
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 17.03 3.7 20.822 0.236 AB
SDSS_g 56.23 2.25 19.525 0.043 AB
PanSTARRS_g 56.43 1.24 19.521 0.024 AB
SDSS_r 121.64 3.33 18.687 0.030 AB
PanSTARRS_r 121.7 1.48 18.687 0.013 AB
SDSS_i 177.61 4.29 18.276 0.026 AB
PanSTARRS_i 171.88 1.32 18.312 0.008 AB
PanSTARRS_z 193.94 4.05 18.181 0.023 AB
SDSS_z 236.55 10.54 17.965 0.048 AB
PanSTARRS_y 187.86 9.67 18.215 0.056 AB
2MASS_J 333.34 118.18 16.698 0.385 Vega
2MASS_H 220.65 192.41 16.673 0.947 Vega
2MASS_K 282.45 211.92 15.935 0.815 Vega
WISE_W1 159.53 23.27 15.694 0.158 Vega
WISE_W2 117.28 24.69 15.388 0.229 Vega
WISE_W3 284.81 79.26 12.590 0.302 Vega
WISE_W4 578.59 400.31 10.374 0.751 Vega
 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.281 10.406 10.493
{\rm log}_{10}({\rm SFR}) -0.447 0.120 0.521
{\rm log}_{10}({\rm sSFR}) -10.874 -10.304 -9.869
{\rm stellar\ age} 5.005 6.534 7.750

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.367 -1.046 -0.780
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.471 -0.532 -0.019

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.207 0.345 0.508
\delta -0.788 -0.471 -0.104
\tau_1/\tau_2 0.619 0.978 1.344
Q_{PAH} 0.602 1.637 3.599
U_{min} 2.735 7.646 14.416
{\rm log}_{10}(\gamma_e)\, -3.166 -2.319 -1.277

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.951 -2.605 -1.717
{\rm log}_{10}(\tau_{AGN})\, 0.913 1.309 1.788

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.211 0.150 0.399
0.03-0.10 Gyr -0.931 0.091 0.586
0.10-0.32 Gyr -1.017 0.049 0.565
0.32-1.02 Gyr -0.965 0.010 0.462
1.02-3.27 Gyr -0.358 0.345 0.671
3.27-10.46 Gyr 0.157 0.567 0.746
10.46-11.62 Gyr -0.233 0.552 1.160