2025sfd

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Information

Transient

Name: AT2025sfd
Right ascension: 0h55m20.78s
Declination: -9d18m22.76s
Discovery Date: July 24, 2025, 12:35 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name: 3101597
Right ascension: 0h55m20.74s
Declination: -9d18m22.45s
Redshift: 0.054692
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 31.82
Transient MWEBV processed 0.15
Host match processed 4.57
Host information processed 0.15
Host MWEBV processed 0.06
Global aperture construction processed 0.66
Global aperture photometry processed 6.57
Validate global photometry processed 18.47
Global host SED inference processed 440.16
Local aperture photometry processed 7.33
Validate local photometry processed 0.03
Local host SED inference processed 466.59
 

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) = 0h55m20.78s, -9d18m22.76s
semi major axis, semi minor axis (arcsec) = 1.88, 1.88
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 26.1 2.01 20.359 0.084 AB
SDSS_g 166.08 3.4 18.349 0.022 AB
DES_g 186.92 0.55 18.221 0.003 AB
PanSTARRS_g 178.27 0.51 18.272 0.003 AB
SDSS_r 397.24 5.26 17.402 0.014 AB
PanSTARRS_r 347.0 0.46 17.549 0.001 AB
DES_r 437.92 1.22 17.297 0.003 AB
SDSS_i 586.63 6.52 16.979 0.012 AB
PanSTARRS_i 547.2 0.71 17.055 0.001 AB
PanSTARRS_z 675.36 1.18 16.826 0.002 AB
SDSS_z 781.22 9.83 16.668 0.014 AB
DES_z 739.56 4.99 16.728 0.007 AB
PanSTARRS_y 823.58 2.92 16.611 0.004 AB

Aperture details

RA, DEC (J2000) = 0h55m20.75s, -9d18m22.21s
semi major axis, semi minor axis (arcsec) = 7.78, 3.14
angle (degrees, anti-clockwise from east) = -63.6

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 0.38 0.39 24.960 1.118 AB
GALEX_NUV 1.47 0.53 23.482 0.395 AB
SDSS_u 38.44 4.52 19.938 0.128 AB
SDSS_g 292.86 4.72 17.733 0.017 AB
DES_g 275.82 0.72 17.798 0.003 AB
PanSTARRS_g 329.01 1.2 17.607 0.004 AB
SDSS_r 677.63 7.21 16.823 0.012 AB
PanSTARRS_r 638.08 1.04 16.888 0.002 AB
DES_r 640.29 1.53 16.884 0.003 AB
SDSS_i 995.98 9.37 16.404 0.010 AB
PanSTARRS_i 990.18 1.64 16.411 0.002 AB
PanSTARRS_z 1228.24 2.8 16.177 0.002 AB
SDSS_z 1344.02 19.87 16.079 0.016 AB
DES_z 1143.41 6.28 16.254 0.006 AB
PanSTARRS_y 1491.83 7.4 15.966 0.005 AB
2MASS_J 1881.51 130.96 14.819 0.076 Vega
2MASS_H 2265.38 213.28 14.145 0.102 Vega
2MASS_K 2188.12 243.33 13.712 0.121 Vega
WISE_W1 770.38 20.74 13.984 0.029 Vega
WISE_W2 410.39 22.86 14.028 0.060 Vega
WISE_W3 115.23 71.38 13.572 0.673 Vega
WISE_W4 -551.67 414.01 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.756 9.912 10.028
{\rm log}_{10}({\rm SFR}) -0.709 -0.281 0.125
{\rm log}_{10}({\rm sSFR}) -10.670 -10.191 -9.698
{\rm stellar\ age} 4.370 6.586 8.112

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.322 -0.792 -0.472
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.687 -0.184 0.235

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.558 0.779 1.140
\delta -0.911 -0.741 -0.519
\tau_1/\tau_2 0.646 0.956 1.265
Q_{PAH} 0.775 2.143 4.125
U_{min} 2.673 7.636 14.020
{\rm log}_{10}(\gamma_e)\, -3.290 -1.981 -0.987

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.297 -3.022 -1.193
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.525 1.988

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.545 -0.261 0.040
0.03-0.10 Gyr -0.949 -0.311 0.179
0.10-0.33 Gyr -0.954 -0.288 0.272
0.33-1.08 Gyr -0.829 -0.146 0.278
1.08-3.56 Gyr -0.572 -0.049 0.206
3.56-11.72 Gyr -0.539 -0.034 0.181
11.72-13.03 Gyr -0.718 -0.042 0.529

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.194 10.299 10.418
{\rm log}_{10}({\rm SFR}) -2.461 -1.064 -0.394
{\rm log}_{10}({\rm sSFR}) -12.839 -11.358 -10.665
{\rm stellar\ age} 6.779 8.052 11.906

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.685 -1.346 -1.044
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.488 -0.687 0.055

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.540 0.694 0.848
\delta -0.806 -0.637 -0.458
\tau_1/\tau_2 0.474 0.879 1.269
Q_{PAH} 0.470 1.515 3.334
U_{min} 2.647 8.103 16.034
{\rm log}_{10}(\gamma_e)\, -3.307 -2.178 -1.185

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.613 -3.858 -2.915
{\rm log}_{10}(\tau_{AGN})\, 1.061 1.563 1.946

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.630 -1.489 -0.772
0.03-0.10 Gyr -2.957 -1.079 -0.277
0.10-0.33 Gyr -3.186 -1.116 -0.210
0.33-1.08 Gyr -3.232 -0.968 -0.112
1.08-3.56 Gyr -2.480 -0.301 0.372
3.56-11.72 Gyr -1.022 0.359 0.571
11.72-13.03 Gyr -0.448 0.670 1.532