2025xad

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Information

Transient

Name: AT2025xad
Right ascension: 9h16m33.43s
Declination: 39d10m37.00s
Discovery Date: Sept. 4, 2025, 12:28 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.015

Host

Name: SDSSJ091632.23+39104
Right ascension: 9h16m32.16s
Declination: 39d10m48.68s
Redshift: 0.069976
Photometric Redshift: 0.070
 

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 3.84
Cutout download processed 24.03
Global aperture construction processed 0.66
Local aperture photometry processed 5.01
Global aperture photometry processed 4.25
Validate local photometry processed 0.02
Validate global photometry processed 12.87
Host information processed 0.15
Global host SED inference processed 544.02
Local host SED inference processed 433.45
Transient information processed 0.0
Transient MWEBV processed 0.08
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) = 9h16m33.43s, 39d10m37.00s
semi major axis, semi minor axis (arcsec) = 1.5, 1.5
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 31.65 0.39 20.149 0.013 AB
SDSS_r 59.8 2.1 19.458 0.038 AB
PanSTARRS_r 56.26 0.38 19.525 0.007 AB
PanSTARRS_i 80.03 0.39 19.142 0.005 AB
PanSTARRS_z 92.71 0.9 18.982 0.011 AB
DES_z 109.81 1.83 18.798 0.018 AB
PanSTARRS_y 106.69 2.29 18.830 0.023 AB

Aperture details

RA, DEC (J2000) = 9h16m32.22s, 39d10m48.65s
semi major axis, semi minor axis (arcsec) = 7.44, 3.54
angle (degrees, anti-clockwise from east) = -73.89

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.0 0.07 29.693 15.618 AB
GALEX_NUV 5.55 1.42 22.040 0.278 AB
DES_g 270.49 1.14 17.820 0.005 AB
SDSS_r 545.91 6.45 17.057 0.013 AB
PanSTARRS_r 536.1 1.27 17.077 0.003 AB
PanSTARRS_i 763.22 1.34 16.693 0.002 AB
PanSTARRS_z 888.19 3.16 16.529 0.004 AB
DES_z 937.81 5.39 16.470 0.006 AB
PanSTARRS_y 1081.04 7.77 16.315 0.008 AB
2MASS_J 1397.79 120.25 15.141 0.093 Vega
2MASS_H 1763.75 182.71 14.416 0.112 Vega
2MASS_K 1185.46 218.99 14.377 0.201 Vega
WISE_W3 0.72 68.07 19.079 102.322 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})\, 9.204 9.341 9.471
{\rm log}_{10}({\rm SFR}) -1.924 -1.174 -0.567
{\rm log}_{10}({\rm sSFR}) -11.282 -10.540 -9.892
{\rm stellar\ age} 4.304 6.862 8.308

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.511 -0.811 -0.274
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.645 -0.736 0.143

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.354 0.734 1.146
\delta -0.430 -0.036 0.234
\tau_1/\tau_2 0.666 1.016 1.382
Q_{PAH} 0.788 2.450 4.829
U_{min} 2.959 8.082 15.582
{\rm log}_{10}(\gamma_e)\, -2.905 -1.450 -0.484

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.527 -0.830 -0.178
{\rm log}_{10}(\tau_{AGN})\, 1.124 1.615 1.987

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.170 -1.445 -0.922
0.03-0.10 Gyr -2.102 -1.157 -0.462
0.10-0.33 Gyr -1.886 -1.061 -0.443
0.33-1.07 Gyr -1.712 -0.892 -0.320
1.07-3.52 Gyr -1.408 -0.672 -0.367
3.52-11.55 Gyr -1.194 -0.588 -0.376
11.55-12.83 Gyr -1.309 -0.542 0.050

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.113 10.296 10.481
{\rm log}_{10}({\rm SFR}) -2.279 -0.801 0.162
{\rm log}_{10}({\rm sSFR}) -12.643 -11.087 -10.061
{\rm stellar\ age} 3.821 7.049 9.903

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.596 -0.982 -0.528
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.384 -0.078 0.328

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.347 0.656 0.946
\delta -0.780 -0.487 0.204
\tau_1/\tau_2 0.496 0.920 1.342
Q_{PAH} 0.946 3.192 5.487
U_{min} 3.011 8.755 16.570
{\rm log}_{10}(\gamma_e)\, -3.175 -1.326 -0.378

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.086 -2.174 -0.827
{\rm log}_{10}(\tau_{AGN})\, 0.937 1.488 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.510 -0.784 -0.116
0.03-0.10 Gyr -4.010 -0.985 0.248
0.10-0.33 Gyr -3.983 -0.932 0.413
0.33-1.07 Gyr -3.156 -0.441 0.529
1.07-3.52 Gyr -1.852 0.156 0.657
3.52-11.55 Gyr -1.066 0.253 0.630
11.55-12.83 Gyr -1.328 0.272 1.341