2025xfc

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Information

Transient

Name: AT2025xfc
Right ascension: 4h50m43.14s
Declination: -20d45m11.91s
Discovery Date: Sept. 4, 2025, 11:53 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.053

Host

Name: 837443
Right ascension: 4h50m42.79s
Declination: -20d45m02.95s
Redshift: 0.065472
Photometric Redshift:
 

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 4.31
Cutout download processed 6.68
Global aperture construction processed 0.65
Local aperture photometry processed 5.67
Global aperture photometry processed 5.61
Validate local photometry processed 0.02
Validate global photometry processed 14.43
Host information processed 0.12
Global host SED inference processed 420.45
Local host SED inference processed 408.66
Transient information processed 0.0
Transient MWEBV processed 0.04
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) = 4h50m43.14s, -20d45m11.91s
semi major axis, semi minor axis (arcsec) = 1.59, 1.59
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 14.37 0.15 21.007 0.011 AB
PanSTARRS_g 14.73 0.41 20.979 0.030 AB
PanSTARRS_r 29.63 0.6 20.221 0.022 AB
DES_r 34.75 0.23 20.048 0.007 AB
PanSTARRS_i 45.48 0.57 19.755 0.014 AB
PanSTARRS_z 54.48 1.76 19.559 0.035 AB
DES_z 65.19 1.0 19.365 0.017 AB
PanSTARRS_y 65.21 3.15 19.364 0.052 AB

Aperture details

RA, DEC (J2000) = 4h50m43.02s, -20d45m02.31s
semi major axis, semi minor axis (arcsec) = 32.03, 13.83
angle (degrees, anti-clockwise from east) = -102.23

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.95 7.29 21.302 0.723 AB
GALEX_NUV 29.66 5.41 20.220 0.198 AB
DES_g 3338.59 2.09 15.091 0.001 AB
PanSTARRS_g 3311.14 5.46 15.100 0.002 AB
PanSTARRS_r 7293.97 7.74 14.243 0.001 AB
DES_r 8149.5 3.35 14.122 0.000 AB
PanSTARRS_i 10899.93 7.35 13.806 0.001 AB
PanSTARRS_z 13962.69 23.27 13.538 0.002 AB
DES_z 15715.92 15.25 13.409 0.001 AB
PanSTARRS_y 17625.53 41.68 13.285 0.003 AB
2MASS_J 22449.12 489.4 12.127 0.024 Vega
2MASS_H 29203.69 713.47 11.369 0.027 Vega
2MASS_K 24971.31 958.7 11.069 0.042 Vega
WISE_W1 12028.58 95.77 11.000 0.009 Vega
WISE_W2 7019.24 95.15 10.945 0.015 Vega
WISE_W3 2465.75 185.79 10.246 0.082 Vega
WISE_W4 1507.57 672.2 9.334 0.484 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})\, 9.063 9.187 9.318
{\rm log}_{10}({\rm SFR}) -1.844 -1.315 -0.799
{\rm log}_{10}({\rm sSFR}) -11.062 -10.538 -10.004
{\rm stellar\ age} 6.045 7.362 9.089

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.410 -0.696 -0.187
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.640 -0.162 0.325

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.461 0.897 1.299
\delta -0.468 -0.070 0.187
\tau_1/\tau_2 0.712 1.037 1.349
Q_{PAH} 0.905 2.818 5.210
U_{min} 2.879 7.537 14.057
{\rm log}_{10}(\gamma_e)\, -2.921 -1.876 -0.634

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.896 -1.056 -0.304
{\rm log}_{10}(\tau_{AGN})\, 0.988 1.425 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.726 -1.186 -0.746
0.03-0.10 Gyr -2.134 -1.425 -0.793
0.10-0.33 Gyr -2.298 -1.445 -0.857
0.33-1.08 Gyr -2.260 -1.353 -0.800
1.08-3.53 Gyr -1.774 -0.908 -0.622
3.53-11.60 Gyr -1.027 -0.706 -0.518
11.60-12.89 Gyr -1.201 -0.616 0.008

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.553 11.597 11.690
{\rm log}_{10}({\rm SFR}) -1.544 -0.914 -0.472
{\rm log}_{10}({\rm sSFR}) -13.160 -12.523 -12.087
{\rm stellar\ age} 7.737 9.198 12.171

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.385 -0.269 -0.154
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.572 -0.662 0.163

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.076 0.181 0.278
\delta -0.714 -0.374 0.011
\tau_1/\tau_2 0.604 0.961 1.333
Q_{PAH} 0.350 0.975 2.355
U_{min} 2.531 7.541 14.864
{\rm log}_{10}(\gamma_e)\, -3.077 -2.378 -1.521

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.596 -3.933 -3.068
{\rm log}_{10}(\tau_{AGN})\, 1.096 1.600 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.240 -1.064 -0.615
0.03-0.10 Gyr -1.869 -0.946 -0.388
0.10-0.33 Gyr -2.185 -0.984 -0.309
0.33-1.08 Gyr -2.070 -0.862 -0.019
1.08-3.53 Gyr -1.661 -0.174 0.908
3.53-11.60 Gyr -0.078 1.686 1.855
11.60-12.89 Gyr 1.493 2.290 2.821