2025xaf

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Information

Transient

Name: AT2025xaf
Right ascension: 7h56m51.44s
Declination: 8d00m44.69s
Discovery Date: Aug. 31, 2025, 12:22 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name:
Right ascension: 7h56m51.43s
Declination: 8d00m28.21s
Redshift: 0.056703
Photometric Redshift: 0.042
 

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 6.73
Cutout download processed 22.98
Global aperture construction processed 0.66
Local aperture photometry processed 6.58
Global aperture photometry processed 6.4
Validate local photometry processed 0.02
Validate global photometry processed 15.88
Host information processed 0.14
Global host SED inference processed 851.48
Local host SED inference processed 536.02
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) = 7h56m51.44s, 8d00m44.69s
semi major axis, semi minor axis (arcsec) = 1.82, 1.82
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 27.17 1.94 20.315 0.078 AB
SDSS_g 49.53 1.89 19.663 0.042 AB
DES_g 50.37 0.37 19.645 0.008 AB
PanSTARRS_g 49.56 0.46 19.662 0.010 AB
PanSTARRS_r 49.91 0.48 19.655 0.010 AB
DES_r 54.81 0.46 19.553 0.009 AB
SDSS_i 55.34 2.41 19.542 0.047 AB
PanSTARRS_i 58.3 0.64 19.486 0.012 AB
PanSTARRS_z 54.13 1.56 19.566 0.031 AB
SDSS_z 48.64 6.1 19.683 0.136 AB
DES_z 52.98 1.2 19.590 0.025 AB
PanSTARRS_y 56.55 3.2 19.519 0.061 AB

Aperture details

RA, DEC (J2000) = 7h56m51.40s, 8d00m30.44s
semi major axis, semi minor axis (arcsec) = 36.45, 5.6
angle (degrees, anti-clockwise from east) = -177.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 376.85 12.51 17.460 0.036 AB
SDSS_g 905.91 8.92 16.507 0.011 AB
DES_g 936.78 1.76 16.471 0.002 AB
PanSTARRS_g 945.34 3.43 16.461 0.004 AB
PanSTARRS_r 1207.73 3.65 16.195 0.003 AB
SDSS_i 1463.88 15.36 15.986 0.011 AB
PanSTARRS_i 1456.76 4.92 15.992 0.004 AB
PanSTARRS_z 1502.7 11.97 15.958 0.009 AB
SDSS_z 1441.36 47.17 16.003 0.036 AB
DES_z 1613.11 7.12 15.881 0.005 AB
PanSTARRS_y 1571.74 25.15 15.909 0.017 AB
2MASS_J 2410.47 411.74 14.550 0.185 Vega
2MASS_H 2723.89 625.4 13.944 0.249 Vega
2MASS_K 864.8 685.74 14.720 0.861 Vega
WISE_W4 3733.18 1267.73 8.350 0.369 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})\, 8.096 8.368 8.550
{\rm log}_{10}({\rm SFR}) -1.132 -0.240 0.272
{\rm log}_{10}({\rm sSFR}) -9.599 -8.587 -7.920
{\rm stellar\ age} 0.086 1.243 5.313

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.771 -1.447 -0.980
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.611 -1.063 -0.256

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.406 0.798
\delta -0.499 -0.059 0.219
\tau_1/\tau_2 0.651 1.083 1.541
Q_{PAH} 0.842 2.880 5.484
U_{min} 3.660 9.726 18.097
{\rm log}_{10}(\gamma_e)\, -3.193 -1.978 -0.559

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.658 -1.449 -0.386
{\rm log}_{10}(\tau_{AGN})\, 0.962 1.477 1.959

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.644 -1.257 -0.940
0.03-0.10 Gyr -1.074 -0.092 0.429
0.10-0.33 Gyr -3.032 -0.890 -0.208
0.33-1.08 Gyr -4.884 -2.003 -0.939
1.08-3.56 Gyr -6.382 -2.844 -1.359
3.56-11.70 Gyr -7.333 -3.216 -1.618
11.70-13.00 Gyr -7.400 -2.955 -1.401

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.764 10.039 10.200
{\rm log}_{10}({\rm SFR}) -1.233 0.341 1.052
{\rm log}_{10}({\rm sSFR}) -11.127 -9.793 -8.915
{\rm stellar\ age} 0.496 4.503 7.416

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.758 -1.411 -0.940
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.751 -0.882 0.236

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.164 0.423 0.832
\delta -0.760 -0.263 0.218
\tau_1/\tau_2 0.533 0.996 1.477
Q_{PAH} 0.634 1.898 3.961
U_{min} 3.172 9.042 17.629
{\rm log}_{10}(\gamma_e)\, -3.364 -1.903 -0.898

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.620 -3.549 -1.209
{\rm log}_{10}(\tau_{AGN})\, 0.856 1.427 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.596 -0.731 -0.146
0.03-0.10 Gyr -1.486 0.482 1.213
0.10-0.33 Gyr -0.133 0.763 1.413
0.33-1.08 Gyr -1.985 -0.031 0.636
1.08-3.56 Gyr -3.016 -0.212 0.373
3.56-11.70 Gyr -3.688 -0.437 0.291
11.70-13.00 Gyr -4.104 -0.408 0.611