2025zwh

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Information

Transient

Name: AT2025zwh
Right ascension: 9h58m07.94s
Declination: 3d17m46.08s
Discovery Date: Oct. 5, 2025, 12:47 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.027

Host

Name: SDSSJ095807.79+03174
Right ascension: 9h58m07.68s
Declination: 3d17m47.18s
Redshift: None
Photometric Redshift: 0.071
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 2.39
Transient MWEBV processed 0.05
Host match processed 4.32
Host information processed 0.12
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 7.14
Validate global photometry processed 18.7
Global host SED inference processed 392.34
Local aperture photometry processed 6.77
Validate local photometry processed 0.03
Local host SED inference processed 488.75
 

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) = 9h58m07.94s, 3d17m46.08s
semi major axis, semi minor axis (arcsec) = 1.47, 1.47
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 34.52 1.57 20.055 0.050 AB
DES_g 32.47 0.35 20.121 0.012 AB
PanSTARRS_g 30.38 0.18 20.194 0.006 AB
SDSS_r 52.31 1.98 19.604 0.041 AB
PanSTARRS_r 44.04 0.19 19.790 0.005 AB
DES_r 52.84 0.54 19.593 0.011 AB
SDSS_i 67.14 2.4 19.333 0.039 AB
PanSTARRS_i 52.22 0.57 19.605 0.012 AB
PanSTARRS_z 59.61 0.8 19.462 0.015 AB
SDSS_z 72.67 4.78 19.247 0.071 AB
DES_z 74.91 1.57 19.214 0.023 AB
PanSTARRS_y 65.19 1.77 19.365 0.029 AB

Aperture details

RA, DEC (J2000) = 9h58m07.79s, 3d17m47.21s
semi major axis, semi minor axis (arcsec) = 5.53, 4.51
angle (degrees, anti-clockwise from east) = -86.23

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 26.74 0.54 20.332 0.022 AB
GALEX_NUV 40.96 0.26 19.869 0.007 AB
SDSS_u 88.19 4.15 19.036 0.051 AB
SDSS_g 209.34 4.01 18.098 0.021 AB
DES_g 206.83 0.9 18.111 0.005 AB
PanSTARRS_g 216.47 0.59 18.061 0.003 AB
SDSS_r 290.55 4.95 17.742 0.018 AB
PanSTARRS_r 304.51 0.63 17.691 0.002 AB
DES_r 331.47 1.39 17.599 0.005 AB
SDSS_i 384.69 6.37 17.437 0.018 AB
PanSTARRS_i 375.56 1.89 17.463 0.005 AB
PanSTARRS_z 397.32 2.66 17.402 0.007 AB
SDSS_z 398.01 15.35 17.400 0.042 AB
DES_z 449.22 4.01 17.269 0.010 AB
PanSTARRS_y 447.24 5.9 17.274 0.014 AB
2MASS_J 732.31 134.9 15.843 0.200 Vega
2MASS_H 556.29 180.54 15.669 0.352 Vega
2MASS_K 548.89 250.33 15.213 0.495 Vega
WISE_W1 249.21 13.63 15.210 0.059 Vega
WISE_W2 154.56 16.87 15.088 0.119 Vega
WISE_W3 501.43 74.99 11.975 0.162 Vega
WISE_W4 808.43 465.16 10.011 0.625 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})\, 8.588 8.846 8.970
{\rm log}_{10}({\rm SFR}) -1.969 -1.157 -0.148
{\rm log}_{10}({\rm sSFR}) -10.785 -10.027 -8.899
{\rm stellar\ age} 0.756 3.998 6.028

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.261 -0.509 -0.130
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.608 -0.639 0.200

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.100 0.448 0.814
\delta -0.616 -0.205 0.170
\tau_1/\tau_2 0.682 1.066 1.442
Q_{PAH} 1.405 3.875 5.934
U_{min} 3.354 8.907 16.851
{\rm log}_{10}(\gamma_e)\, -2.768 -1.624 -0.639

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.771 -0.800 -0.251
{\rm log}_{10}(\tau_{AGN})\, 1.047 1.557 1.998

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.393 -1.510 -1.018
0.03-0.10 Gyr -2.312 -1.114 -0.008
0.10-0.33 Gyr -1.570 -0.660 -0.030
0.33-1.07 Gyr -2.200 -0.695 -0.317
1.07-3.52 Gyr -3.178 -1.079 -0.712
3.52-11.53 Gyr -3.666 -1.440 -0.998
11.53-12.81 Gyr -3.775 -1.527 -0.873

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.623 9.689 9.761
{\rm log}_{10}({\rm SFR}) -0.151 0.100 0.339
{\rm log}_{10}({\rm sSFR}) -9.880 -9.598 -9.343
{\rm stellar\ age} 4.979 6.060 7.065

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.862 -0.543 -0.332
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.076 0.296 0.426

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.098 0.173 0.326
\delta -0.818 -0.484 -0.083
\tau_1/\tau_2 0.785 1.118 1.457
Q_{PAH} 0.629 1.576 3.411
U_{min} 2.743 7.625 14.465
{\rm log}_{10}(\gamma_e)\, -2.222 -1.280 -0.589

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.011 -2.645 -1.823
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.426 1.839

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.548 -0.385 -0.246
0.03-0.10 Gyr -0.072 0.218 0.471
0.10-0.33 Gyr -0.001 0.232 0.435
0.33-1.07 Gyr -0.489 -0.144 0.068
1.07-3.52 Gyr -0.476 -0.224 -0.024
3.52-11.53 Gyr -0.472 -0.258 -0.119
11.53-12.81 Gyr -0.700 -0.237 0.168