2025xxd

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Information

Transient

Name: AT2025xxd
Right ascension: 18h10m34.84s
Declination: 2d44m01.39s
Discovery Date: Sept. 16, 2025, 8:31 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.221

Host

Name:
Right ascension: 18h10m34.52s
Declination: 2d43m58.45s
Redshift: 0.042724
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 12.58
Cutout download processed 14.79
Global aperture construction processed 0.72
Local aperture photometry processed 5.44
Global aperture photometry processed 5.0
Validate local photometry processed 0.02
Validate global photometry processed 15.69
Host information processed 0.1
Global host SED inference processed 530.0
Local host SED inference processed 489.42
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) = 18h10m34.84s, 2d44m01.39s
semi major axis, semi minor axis (arcsec) = 2.38, 2.38
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 0.3 1.92 25.214 6.972 AB
SDSS_g 20.14 1.37 20.640 0.074 AB
PanSTARRS_g 20.86 0.7 20.602 0.037 AB
SDSS_r 56.58 2.28 19.518 0.044 AB
PanSTARRS_r 53.76 0.75 19.574 0.015 AB
SDSS_i 98.02 3.11 18.922 0.034 AB
PanSTARRS_i 95.35 1.25 18.952 0.014 AB
PanSTARRS_z 130.48 1.79 18.611 0.015 AB
SDSS_z 148.98 7.27 18.467 0.053 AB
PanSTARRS_y 163.16 4.44 18.368 0.030 AB

Aperture details

RA, DEC (J2000) = 18h10m34.51s, 2d43m58.55s
semi major axis, semi minor axis (arcsec) = 8.41, 6.55
angle (degrees, anti-clockwise from east) = -95.85

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 34.49 6.14 20.056 0.193 AB
SDSS_g 381.32 5.55 17.447 0.016 AB
PanSTARRS_g 418.97 2.22 17.345 0.006 AB
SDSS_r 1117.61 9.42 16.279 0.009 AB
PanSTARRS_r 1104.96 2.37 16.292 0.002 AB
SDSS_i 1921.72 12.63 15.691 0.007 AB
PanSTARRS_i 1922.57 3.9 15.690 0.002 AB
PanSTARRS_z 2580.18 5.6 15.371 0.002 AB
SDSS_z 2867.03 24.68 15.256 0.009 AB
PanSTARRS_y 3335.12 13.87 15.092 0.005 AB
2MASS_J 4597.44 224.95 13.849 0.053 Vega
2MASS_H 6436.55 319.15 13.011 0.054 Vega
2MASS_K 5693.7 348.26 12.674 0.066 Vega
WISE_W1 2067.86 100.99 12.912 0.053 Vega
WISE_W2 1174.19 89.89 12.887 0.083 Vega
WISE_W3 260.01 105.07 12.689 0.439 Vega
WISE_W4 245.01 474.18 11.307 2.101 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})\, 9.274 9.421 9.570
{\rm log}_{10}({\rm SFR}) -2.136 -1.332 -0.762
{\rm log}_{10}({\rm sSFR}) -11.584 -10.736 -10.080
{\rm stellar\ age} 7.086 8.498 12.226

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.606 -1.117 -0.653
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.748 -0.894 0.194

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.848 1.231 1.531
\delta -0.339 -0.040 0.236
\tau_1/\tau_2 0.622 0.988 1.364
Q_{PAH} 0.724 2.368 4.659
U_{min} 2.837 8.229 15.105
{\rm log}_{10}(\gamma_e)\, -3.319 -2.304 -1.120

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.904 -1.334 -0.499
{\rm log}_{10}(\tau_{AGN})\, 0.949 1.391 1.837

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.962 -1.623 -0.929
0.03-0.10 Gyr -2.419 -1.379 -0.682
0.10-0.33 Gyr -3.170 -1.609 -0.894
0.33-1.09 Gyr -3.949 -1.768 -0.941
1.09-3.60 Gyr -3.757 -1.474 -0.642
3.60-11.87 Gyr -1.757 -0.584 -0.326
11.87-13.18 Gyr -0.848 -0.094 0.640

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.361 10.515 10.657
{\rm log}_{10}({\rm SFR}) -1.850 -0.604 -0.031
{\rm log}_{10}({\rm sSFR}) -12.255 -11.137 -10.539
{\rm stellar\ age} 5.772 7.762 12.042

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.544 -1.210 -0.957
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.178 -0.556 -0.088

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.663 0.819 1.014
\delta -0.910 -0.773 -0.635
\tau_1/\tau_2 0.496 0.905 1.316
Q_{PAH} 0.168 0.638 1.860
U_{min} 2.682 7.800 15.318
{\rm log}_{10}(\gamma_e)\, -3.342 -2.290 -1.518

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.705 -4.087 -3.247
{\rm log}_{10}(\tau_{AGN})\, 1.102 1.612 1.977

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.476 -0.671 -0.131
0.03-0.10 Gyr -2.645 -0.723 0.023
0.10-0.33 Gyr -2.830 -0.591 0.207
0.33-1.09 Gyr -2.274 -0.268 0.439
1.09-3.60 Gyr -2.078 0.155 0.754
3.60-11.87 Gyr -1.074 0.505 0.761
11.87-13.18 Gyr -0.602 0.769 1.761