2025yxd

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Information

Transient

Name: AT2025yxd
Right ascension: 17h35m53.96s
Declination: 55d40m25.11s
Discovery Date: Sept. 30, 2025, 3:47 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.038

Host

Name: 3135107
Right ascension: 17h35m54.00s
Declination: 55d40m24.67s
Redshift: None
Photometric Redshift: 0.051
 

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 3.82
Cutout download processed 1.94
Global aperture construction processed 0.61
Local aperture photometry processed 5.2
Global aperture photometry processed 5.41
Validate local photometry processed 0.02
Validate global photometry processed 14.82
Host information processed 0.05
Global host SED inference processed 389.95
Local host SED inference processed 493.75
Transient information processed 0.0
Transient MWEBV processed 0.07
Host MWEBV processed 0.05
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) = 17h35m53.96s, 55d40m25.11s
semi major axis, semi minor axis (arcsec) = 1.99, 1.99
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 22.66 2.06 20.512 0.098 AB
SDSS_g 62.2 2.13 19.416 0.037 AB
PanSTARRS_g 59.52 0.58 19.463 0.011 AB
SDSS_r 86.37 2.62 19.059 0.033 AB
PanSTARRS_r 93.39 0.59 18.974 0.007 AB
SDSS_i 113.86 3.23 18.759 0.031 AB
PanSTARRS_i 115.44 0.79 18.744 0.007 AB
PanSTARRS_z 119.37 1.58 18.708 0.014 AB
SDSS_z 135.42 8.43 18.571 0.068 AB
PanSTARRS_y 123.29 3.38 18.673 0.030 AB

Aperture details

RA, DEC (J2000) = 17h35m54.05s, 55d40m24.23s
semi major axis, semi minor axis (arcsec) = 10.3, 7.69
angle (degrees, anti-clockwise from east) = -78.64

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 44.41 1.45 19.781 0.036 AB
GALEX_NUV 56.31 0.8 19.523 0.015 AB
SDSS_u 86.04 8.09 19.063 0.102 AB
SDSS_g 264.01 5.1 17.846 0.021 AB
PanSTARRS_g 275.32 2.49 17.800 0.010 AB
SDSS_r 340.46 6.75 17.570 0.022 AB
PanSTARRS_r 370.01 2.49 17.479 0.007 AB
SDSS_i 444.0 9.38 17.282 0.023 AB
PanSTARRS_i 476.77 3.44 17.204 0.008 AB
PanSTARRS_z 465.26 6.96 17.231 0.016 AB
SDSS_z 556.49 35.93 17.036 0.070 AB
PanSTARRS_y 520.33 14.97 17.109 0.031 AB
2MASS_J 548.45 208.04 16.157 0.412 Vega
2MASS_H 257.65 301.17 16.505 1.269 Vega
2MASS_K 550.6 314.91 15.210 0.621 Vega
WISE_W2 220.24 22.81 14.704 0.112 Vega
WISE_W3 359.4 53.19 12.337 0.161 Vega
WISE_W4 940.17 263.83 9.847 0.305 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})\, 8.998 9.115 9.219
{\rm log}_{10}({\rm SFR}) -1.513 -0.904 -0.489
{\rm log}_{10}({\rm sSFR}) -10.561 -10.011 -9.569
{\rm stellar\ age} 5.820 7.463 9.537

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.812 -1.532 -1.106
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.853 -1.147 0.206

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.142 0.369 0.647
\delta -0.520 -0.054 0.262
\tau_1/\tau_2 0.798 1.135 1.498
Q_{PAH} 0.742 2.249 4.972
U_{min} 2.852 7.728 14.449
{\rm log}_{10}(\gamma_e)\, -3.049 -1.774 -0.541

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.197 -1.035 -0.391
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.503 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.781 -1.280 -0.892
0.03-0.10 Gyr -1.565 -0.823 -0.363
0.10-0.33 Gyr -1.697 -0.998 -0.517
0.33-1.08 Gyr -1.974 -1.228 -0.745
1.08-3.57 Gyr -1.841 -1.072 -0.762
3.57-11.76 Gyr -1.178 -0.806 -0.635
11.76-13.07 Gyr -1.244 -0.638 0.020

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.478 9.565 9.663
{\rm log}_{10}({\rm SFR}) -0.524 -0.333 -0.143
{\rm log}_{10}({\rm sSFR}) -10.143 -9.913 -9.681
{\rm stellar\ age} 5.199 6.509 7.731

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.036 -0.759 -0.522
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.857 -1.661 -1.296

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.221 0.362
\delta -0.170 0.161 0.329
\tau_1/\tau_2 0.654 0.945 1.241
Q_{PAH} 0.828 1.702 3.012
U_{min} 2.581 7.009 13.804
{\rm log}_{10}(\gamma_e)\, -3.347 -2.645 -1.654

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.916 -2.358 -1.690
{\rm log}_{10}(\tau_{AGN})\, 0.930 1.298 1.733

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.517 -0.313 -0.167
0.03-0.10 Gyr -0.642 -0.346 -0.082
0.10-0.33 Gyr -0.609 -0.326 -0.076
0.33-1.08 Gyr -0.656 -0.343 -0.117
1.08-3.57 Gyr -0.608 -0.334 -0.133
3.57-11.76 Gyr -0.606 -0.362 -0.197
11.76-13.07 Gyr -0.773 -0.318 0.101