2025fbu

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Information

Transient

Name: SN2025fbu
Right ascension: 15h53m45.29s
Declination: -1d24m31.25s
Discovery Date: March 21, 2025, 9:08 a.m.
Classification: SN Ia-91T-like
Redshift: 0.058000
MW E(B-V): 0.135

Host

Name: 2025fbu
Right ascension: 15h53m45.20s
Declination: -1d24m30.17s
Redshift: None
Photometric Redshift: 0.072
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.59
Cutout download processed 15.26
Global aperture construction processed 0.67
Local aperture photometry processed 5.6
Global aperture photometry processed 5.77
Validate local photometry processed 0.02
Validate global photometry processed 17.02
Host information processed 0.09
Global host SED inference processed 469.68
Local host SED inference processed 557.38
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Log transient processing status processed None
 

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) = 15h53m45.29s, -1d24m31.25s
semi major axis, semi minor axis (arcsec) = 1.78, 1.78
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 37.52 2.09 19.964 0.060 AB
SDSS_g 77.24 2.34 19.180 0.033 AB
PanSTARRS_g 58.58 0.51 19.481 0.009 AB
SDSS_r 76.3 2.39 19.194 0.034 AB
PanSTARRS_r 62.45 0.44 19.411 0.008 AB
DES_r 86.24 0.83 19.061 0.010 AB
SDSS_i 100.19 2.88 18.898 0.031 AB
PanSTARRS_i 79.35 0.5 19.151 0.007 AB
PanSTARRS_z 73.61 1.25 19.233 0.018 AB
SDSS_z 95.21 6.15 18.953 0.070 AB
PanSTARRS_y 76.19 2.57 19.195 0.037 AB

Aperture details

RA, DEC (J2000) = 15h53m45.18s, -1d24m28.99s
semi major axis, semi minor axis (arcsec) = 8.48, 4.25
angle (degrees, anti-clockwise from east) = -15.21

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 86.2 9.14 19.061 0.115 AB
GALEX_NUV 78.37 5.3 19.165 0.073 AB
SDSS_u 130.2 5.61 18.613 0.047 AB
SDSS_g 290.35 4.77 17.743 0.018 AB
PanSTARRS_g 282.89 1.67 17.771 0.006 AB
SDSS_r 291.23 5.15 17.739 0.019 AB
PanSTARRS_r 285.92 1.44 17.759 0.005 AB
DES_r 305.56 2.04 17.687 0.007 AB
SDSS_i 394.99 6.72 17.409 0.018 AB
PanSTARRS_i 381.57 1.64 17.446 0.005 AB
PanSTARRS_z 335.6 4.15 17.585 0.013 AB
SDSS_z 324.74 19.6 17.621 0.066 AB
2MASS_J 414.04 169.32 16.463 0.444 Vega
2MASS_H 276.74 269.54 16.427 1.057 Vega
2MASS_K 101.99 300.22 17.041 3.196 Vega
WISE_W1 177.98 13.01 15.575 0.079 Vega
WISE_W2 127.14 18.21 15.300 0.156 Vega
WISE_W3 380.38 95.42 12.275 0.272 Vega
WISE_W4 2972.24 740.03 8.597 0.270 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})\, 8.306 8.566 8.764
{\rm log}_{10}({\rm SFR}) -0.078 0.292 0.589
{\rm log}_{10}({\rm sSFR}) -8.743 -8.190 -7.915
{\rm stellar\ age} 0.070 1.368 5.513

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.805 -1.513 -1.024
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.840 -1.485 0.087

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.140 0.402 0.688
\delta -0.641 -0.291 0.045
\tau_1/\tau_2 0.626 1.118 1.585
Q_{PAH} 0.733 2.016 4.062
U_{min} 3.479 9.771 17.757
{\rm log}_{10}(\gamma_e)\, -3.482 -2.321 -0.798

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.580 -1.511 -0.648
{\rm log}_{10}(\tau_{AGN})\, 0.895 1.438 1.903

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.925 -0.708 -0.473
0.03-0.10 Gyr 0.062 0.441 0.743
0.10-0.33 Gyr -3.245 -1.498 -0.308
0.33-1.08 Gyr -5.608 -2.661 -1.073
1.08-3.55 Gyr -5.936 -2.682 -1.302
3.55-11.69 Gyr -6.635 -2.871 -1.414
11.69-12.98 Gyr -7.025 -2.633 -1.112

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.742 9.017 9.319
{\rm log}_{10}({\rm SFR}) 0.394 0.623 0.802
{\rm log}_{10}({\rm sSFR}) -8.840 -8.412 -7.964
{\rm stellar\ age} 0.148 2.085 5.523

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.378 -0.962 -0.658
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.664 -1.223 -0.220

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.047 0.138 0.309
\delta -0.191 0.167 0.323
\tau_1/\tau_2 0.511 1.005 1.543
Q_{PAH} 0.470 1.578 3.835
U_{min} 3.000 8.558 16.184
{\rm log}_{10}(\gamma_e)\, -3.061 -1.671 -0.720

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.062 -2.893 -2.114
{\rm log}_{10}(\tau_{AGN})\, 0.945 1.312 1.775

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.448 -0.276 -0.123
0.03-0.10 Gyr 0.529 0.770 0.954
0.10-0.33 Gyr -1.900 -0.150 0.407
0.33-1.08 Gyr -3.425 -1.211 -0.331
1.08-3.55 Gyr -4.757 -1.539 -0.664
3.55-11.69 Gyr -5.252 -1.790 -0.772
11.69-12.98 Gyr -5.400 -1.652 -0.562