2025abku

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Information

Transient

Name: SN2025abku
Right ascension: 17h05m14.73s
Declination: 56d12m55.39s
Discovery Date: Oct. 24, 2025, 2:49 a.m.
Classification: SN IIb
Redshift: 0.029180
MW E(B-V): 0.015

Host

Name:
Right ascension: 17h05m13.96s
Declination: 56d13m10.48s
Redshift: None
Photometric Redshift: 0.037
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.56
Transient MWEBV processed 0.07
Host match processed 6.8
Host information processed 0.13
Host MWEBV processed 0.04
Global aperture construction processed 0.62
Global aperture photometry processed 4.25
Validate global photometry processed 10.81
Global host SED inference processed 395.99
Local aperture photometry processed 3.91
Validate local photometry processed 0.02
Local host SED inference processed 448.49
 

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) = 17h05m14.73s, 56d12m55.39s
semi major axis, semi minor axis (arcsec) = 3.42, 3.42
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 59.24 0.87 19.468 0.016 AB
PanSTARRS_r 99.43 0.96 18.906 0.010 AB
PanSTARRS_i 119.47 1.07 18.707 0.010 AB
PanSTARRS_z 133.76 2.75 18.584 0.022 AB
PanSTARRS_y 167.29 6.86 18.341 0.044 AB
2MASS_J 203.97 73.31 17.231 0.390 Vega
2MASS_H 247.79 109.18 16.547 0.478 Vega
2MASS_K 211.21 136.74 16.250 0.703 Vega

Aperture details

RA, DEC (J2000) = 17h05m13.97s, 56d13m10.49s
semi major axis, semi minor axis (arcsec) = 27.3, 11.95
angle (degrees, anti-clockwise from east) = -23.16

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 217.36 10.87 18.057 0.054 AB
PanSTARRS_g 3082.07 4.67 15.178 0.002 AB
PanSTARRS_r 5518.27 5.36 14.545 0.001 AB
PanSTARRS_i 7404.73 5.72 14.226 0.001 AB
PanSTARRS_z 8789.09 14.02 14.040 0.002 AB
PanSTARRS_y 10626.82 35.96 13.834 0.004 AB
2MASS_J 12668.07 393.38 12.748 0.034 Vega
2MASS_K 13109.75 732.39 11.768 0.061 Vega
WISE_W1 6593.73 32.29 11.653 0.005 Vega
WISE_W2 3970.03 37.98 11.564 0.010 Vega
WISE_W3 11816.1 336.41 8.545 0.031 Vega
WISE_W4 12518.43 755.22 7.036 0.065 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})\, 8.485 8.665 8.821
{\rm log}_{10}({\rm SFR}) -1.923 -1.331 -0.870
{\rm log}_{10}({\rm sSFR}) -10.680 -10.001 -9.407
{\rm stellar\ age} 5.030 7.069 9.227

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.610 -1.122 -0.614
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.430 0.050 0.303

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.295 0.685 1.003
\delta -0.515 -0.183 0.181
\tau_1/\tau_2 0.758 1.102 1.441
Q_{PAH} 0.595 1.971 4.476
U_{min} 2.856 7.831 14.465
{\rm log}_{10}(\gamma_e)\, -3.211 -2.188 -0.829

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.545 -1.586 -0.573
{\rm log}_{10}(\tau_{AGN})\, 0.903 1.371 1.818

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.766 -1.312 -0.953
0.03-0.10 Gyr -2.252 -1.373 -0.809
0.10-0.33 Gyr -2.449 -1.430 -0.890
0.33-1.10 Gyr -2.467 -1.511 -1.029
1.10-3.63 Gyr -2.280 -1.430 -1.141
3.63-12.03 Gyr -1.781 -1.312 -1.066
12.03-13.37 Gyr -1.869 -1.241 -0.523

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.527 10.580 10.675
{\rm log}_{10}({\rm SFR}) -0.391 0.015 0.364
{\rm log}_{10}({\rm sSFR}) -11.004 -10.609 -10.200
{\rm stellar\ age} 7.815 8.812 11.817

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.618 -0.430 -0.293
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.083 0.000 0.290

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.192 0.299 0.448
\delta -0.309 -0.049 0.193
\tau_1/\tau_2 0.551 0.956 1.358
Q_{PAH} 0.769 1.849 3.868
U_{min} 3.010 8.238 15.457
{\rm log}_{10}(\gamma_e)\, -2.965 -2.177 -1.559

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.307 -3.354 -2.358
{\rm log}_{10}(\tau_{AGN})\, 1.080 1.607 1.965

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.288 0.086 0.315
0.03-0.10 Gyr -1.183 -0.069 0.445
0.10-0.33 Gyr -1.573 -0.364 0.171
0.33-1.10 Gyr -1.533 -0.427 0.027
1.10-3.63 Gyr -1.358 -0.220 0.285
3.63-12.03 Gyr 0.025 0.685 0.815
12.03-13.37 Gyr 0.536 1.101 1.726