2025cha

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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
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 2.26
Cutout download processed 18.91
Global aperture construction processed 0.64
Local aperture photometry processed 6.98
Global aperture photometry processed 6.76
Validate local photometry processed 0.03
Validate global photometry processed 20.96
Host information processed 0.09
Global host SED inference processed 1302.34
Local host SED inference processed 753.88
Transient information processed 0.0
Transient MWEBV processed 0.09
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

Cutout Download Report

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_i: DES_z: DES_Y:
 

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
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

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