2025cha results

Information

Transient
Name:AT2025cha
Right ascension: 14h01m07.13s
Declination:21d14m34.66s
Discovery Date:Feb. 21, 2025, 10:38 a.m.
Classification:None
Redshift:None
MW E(B-V):0.024
Host
Name:2025cha
Right ascension: 14h01m07.12s
Declination:21d14m34.57s
Redshift:0.027749
Photometric Redshift:0.026
 

Cutout Download Report

Downloaded Unavailable
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_z
 DES_i
DES_Y
 

Processing Status: completed

Task Name Status Time (s)
Cutout download processed 18.91
Transient MWEBV processed 0.09
Host match processed 2.26
Host information processed 0.09
Host MWEBV processed 0.04
Global aperture construction processed 0.64
Global aperture photometry processed 6.76
Validate global photometry processed 20.96
Global host SED inference processed 1302.34
Local aperture photometry processed 6.98
Validate local photometry processed 0.03
Local host SED inference processed 753.88
 

Imaging data


 

Spectral Energy Distribution



 

Aperture Photometry


Aperture details

RA, DEC (J2000):14h01m07.13s, 21d14m34.66s
semi major axis, semi minor axis (arcsec):3.59, 3.59
angle (degrees, anti-clockwise from east):0.0
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 653.64 6.97 16.862 0.012 AB
SDSS_g 1001.84 8.27 16.398 0.009 AB
DES_g 981.08 1.45 16.421 0.002 AB
PanSTARRS_g 921.09 1.09 16.489 0.001 AB
SDSS_r 952.48 8.14 16.453 0.009 AB
PanSTARRS_r 1030.51 1.14 16.367 0.001 AB
DES_r 1080.76 2.67 16.316 0.003 AB
SDSS_i 971.42 8.46 16.431 0.009 AB
PanSTARRS_i 932.58 1.18 16.476 0.001 AB
PanSTARRS_z 968.76 1.91 16.434 0.002 AB
SDSS_z 1002.34 11.6 16.397 0.013 AB
DES_z 1041.34 6.69 16.356 0.007 AB
PanSTARRS_y 1108.39 5.05 16.288 0.005 AB
2MASS_J 1064.72 90.7 15.437 0.092 Vega
2MASS_H 1002.41 133.61 15.030 0.145 Vega
2MASS_K 1172.01 153.71 14.390 0.142 Vega

Aperture details

RA, DEC (J2000):14h01m07.11s, 21d14m34.60s
semi major axis, semi minor axis (arcsec):5.68, 4.67
angle (degrees, anti-clockwise from east):-91.13
Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 421.49 21.74 17.338 0.056 AB
GALEX_NUV 513.39 3.39 17.124 0.007 AB
SDSS_u 703.91 7.57 16.781 0.012 AB
SDSS_g 1089.55 8.67 16.307 0.009 AB
PanSTARRS_g 1026.56 1.44 16.372 0.002 AB
SDSS_r 1049.08 8.66 16.348 0.009 AB
PanSTARRS_r 1143.84 1.54 16.254 0.001 AB
DES_r 1181.75 2.83 16.219 0.003 AB
SDSS_i 1077.44 9.23 16.319 0.009 AB
PanSTARRS_i 1043.18 1.6 16.354 0.002 AB
PanSTARRS_z 1076.24 2.65 16.320 0.003 AB
SDSS_z 1087.37 14.58 16.309 0.015 AB
DES_z 1145.4 7.09 16.253 0.007 AB
PanSTARRS_y 1248.76 7.12 16.159 0.006 AB
2MASS_J 1231.41 145.2 15.279 0.128 Vega
2MASS_H 985.97 212.57 15.048 0.234 Vega
2MASS_K 1361.62 246.72 14.227 0.197 Vega
WISE_W1 539.0 12.7 14.372 0.026 Vega
WISE_W2 398.56 14.99 14.060 0.041 Vega
WISE_W3 1737.33 51.54 10.626 0.032 Vega
WISE_W4 8744.51 789.81 7.426 0.098 Vega
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.766 9.047 9.179
{\rm log}_{10}({\rm SFR}) 0.311 0.874 1.157
{\rm log}_{10}({\rm sSFR}) -8.732 -7.991 -7.912
{\rm stellar\ age} 0.065 0.532 5.472

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.855 -1.606 -1.116
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.542 -0.178 0.216

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.133 0.629 1.026
\delta -0.202 0.091 0.241
\tau_1/\tau_2 0.445 0.985 1.554
Q_{PAH} 0.567 2.006 3.794
U_{min} 3.656 10.569 18.787
{\rm log}_{10}(\gamma_e)\, -3.100 -1.713 -0.747

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.439 -2.559 -0.485
{\rm log}_{10}(\tau_{AGN})\, 0.953 1.628 2.014

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.525 -0.275 0.030
0.03-0.10 Gyr 0.454 1.026 1.312
0.10-0.33 Gyr -3.093 -1.698 -0.164
0.33-1.10 Gyr -5.765 -2.986 -0.843
1.10-3.64 Gyr -6.756 -3.224 -0.895
3.64-12.05 Gyr -7.626 -3.532 -1.052
12.05-13.39 Gyr -8.039 -3.250 -0.826

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.421 8.566 8.856
{\rm log}_{10}({\rm SFR}) 0.353 0.494 0.645
{\rm log}_{10}({\rm sSFR}) -8.443 -7.986 -7.914
{\rm stellar\ age} 0.064 0.416 4.915

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.025 -0.789 -0.599
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.308 0.218 0.407

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.061 0.127 0.300
\delta -0.775 -0.305 0.017
\tau_1/\tau_2 0.500 1.099 1.662
Q_{PAH} 0.345 1.042 2.126
U_{min} 3.818 9.672 17.071
{\rm log}_{10}(\gamma_e)\, -3.512 -2.668 -1.664

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.740 -2.651 -2.156
{\rm log}_{10}(\tau_{AGN})\, 0.869 1.188 1.634

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.594 -0.409 -0.235
0.03-0.10 Gyr 0.496 0.640 0.794
0.10-0.33 Gyr -3.412 -1.999 -0.560
0.33-1.10 Gyr -6.155 -3.459 -1.510
1.10-3.64 Gyr -8.016 -3.249 -1.356
3.64-12.05 Gyr -8.359 -3.562 -1.422
12.05-13.39 Gyr -8.502 -3.402 -1.227