2025pyd

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Information

Transient

Name: AT2025pyd
Right ascension: 15h35m25.95s
Declination: 23d22m34.29s
Discovery Date: June 18, 2025, 9:23 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.042

Host

Name: SDSSJ153525.64+23223
Right ascension: 15h35m25.68s
Declination: 23d22m33.74s
Redshift: 0.098105
Photometric Redshift: 0.098
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 29.85
Transient MWEBV processed 0.06
Host match processed 4.26
Host information processed 0.15
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 6.35
Validate global photometry processed 16.99
Global host SED inference processed 414.34
Local aperture photometry processed 6.43
Validate local photometry processed 0.03
Local host SED inference processed 450.03
 

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) = 15h35m25.95s, 23d22m34.29s
semi major axis, semi minor axis (arcsec) = 1.1, 1.1
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_r 10.18 0.33 21.381 0.035 AB
PanSTARRS_z 16.15 0.68 20.879 0.046 AB
DES_z 16.61 1.07 20.849 0.070 AB
PanSTARRS_y 20.55 1.6 20.618 0.085 AB

Aperture details

RA, DEC (J2000) = 15h35m25.64s, 23d22m33.84s
semi major axis, semi minor axis (arcsec) = 11.07, 6.12
angle (degrees, anti-clockwise from east) = -58.23

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 19.94 3.52 20.651 0.192 AB
GALEX_NUV 23.07 2.58 20.493 0.121 AB
SDSS_u 38.95 5.79 19.924 0.161 AB
SDSS_g 258.59 5.04 17.868 0.021 AB
DES_g 266.44 1.1 17.836 0.004 AB
PanSTARRS_g 256.46 1.82 17.877 0.008 AB
SDSS_r 511.06 7.07 17.129 0.015 AB
PanSTARRS_r 490.62 2.09 17.173 0.005 AB
SDSS_i 712.99 9.39 16.767 0.014 AB
PanSTARRS_i 692.21 2.5 16.799 0.004 AB
PanSTARRS_z 827.02 5.14 16.606 0.007 AB
SDSS_z 867.37 25.91 16.554 0.032 AB
DES_z 920.41 7.99 16.490 0.009 AB
PanSTARRS_y 1000.6 12.0 16.399 0.013 AB
2MASS_J 1357.27 199.41 15.173 0.160 Vega
2MASS_H 1799.98 298.04 14.394 0.180 Vega
2MASS_K 1065.27 343.51 14.494 0.350 Vega
WISE_W1 616.13 21.83 14.227 0.038 Vega
WISE_W2 390.78 23.96 14.081 0.067 Vega
WISE_W3 493.4 59.94 11.993 0.132 Vega
WISE_W4 -37.21 342.47 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.690 8.873 9.029
{\rm log}_{10}({\rm SFR}) -1.351 -0.793 -0.385
{\rm log}_{10}({\rm sSFR}) -10.320 -9.706 -9.167
{\rm stellar\ age} 3.182 6.093 7.727

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.470 -0.768 -0.056
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.369 -0.602 0.106

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.551 1.073 1.531
\delta -0.240 0.091 0.278
\tau_1/\tau_2 0.638 0.996 1.361
Q_{PAH} 0.902 2.683 5.046
U_{min} 2.795 7.859 15.091
{\rm log}_{10}(\gamma_e)\, -3.022 -1.969 -0.819

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.820 -0.649 0.023
{\rm log}_{10}(\tau_{AGN})\, 0.970 1.437 1.885

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.431 -0.705 -0.291
0.03-0.10 Gyr -1.689 -0.946 -0.382
0.10-0.33 Gyr -1.877 -1.115 -0.492
0.33-1.06 Gyr -2.009 -1.149 -0.598
1.06-3.45 Gyr -2.002 -1.134 -0.831
3.45-11.23 Gyr -1.948 -1.103 -0.839
11.23-12.48 Gyr -1.994 -1.094 -0.501

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.589 10.625 10.698
{\rm log}_{10}({\rm SFR}) -0.444 -0.176 0.097
{\rm log}_{10}({\rm sSFR}) -11.087 -10.812 -10.539
{\rm stellar\ age} 7.445 8.426 10.923

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.591 -0.457 -0.351
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.365 0.017 0.365

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.050 0.097 0.180
\delta -0.688 -0.304 0.011
\tau_1/\tau_2 0.638 1.042 1.462
Q_{PAH} 0.985 2.440 4.562
U_{min} 2.408 7.568 15.038
{\rm log}_{10}(\gamma_e)\, -2.477 -1.503 -0.615

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.299 -3.272 -2.231
{\rm log}_{10}(\tau_{AGN})\, 1.106 1.576 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.436 -0.206 -0.048
0.03-0.10 Gyr -0.627 -0.169 0.197
0.10-0.33 Gyr -0.571 -0.155 0.137
0.33-1.06 Gyr -0.724 -0.264 0.036
1.06-3.45 Gyr -0.807 -0.154 0.265
3.45-11.23 Gyr 0.144 0.775 0.885
11.23-12.48 Gyr 0.671 1.233 1.776