2025kei

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Information

Transient

Name: SN2025kei
Right ascension: 14h51m44.77s
Declination: 25d06m35.21s
Discovery Date: May 8, 2025, 9:55 a.m.
Classification: SN Ia
Redshift: 0.046000
MW E(B-V): 0.030

Host

Name: 2025kei
Right ascension: 14h51m44.71s
Declination: 25d06m36.20s
Redshift: 0.062833
Photometric Redshift: 0.079
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 1.63
Cutout download processed 0.83
Global aperture construction processed 0.64
Local aperture photometry processed 6.03
Global aperture photometry processed 6.6
Validate local photometry processed 0.03
Validate global photometry processed 18.39
Host information processed 0.09
Global host SED inference processed 759.66
Local host SED inference processed 521.21
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.11
Processing status completed N/A N/A
 

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) = 14h51m44.77s, 25d06m35.21s
semi major axis, semi minor axis (arcsec) = 1.65, 1.65
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 30.27 2.11 20.198 0.076 AB
SDSS_g 143.13 3.14 18.511 0.024 AB
DES_g 176.36 0.76 18.284 0.005 AB
PanSTARRS_g 143.28 0.49 18.510 0.004 AB
SDSS_r 320.97 4.7 17.634 0.016 AB
PanSTARRS_r 279.21 0.66 17.785 0.003 AB
DES_r 392.39 1.9 17.416 0.005 AB
SDSS_i 486.69 5.87 17.182 0.013 AB
PanSTARRS_i 403.73 0.87 17.385 0.002 AB
PanSTARRS_z 489.07 1.62 17.177 0.004 AB
SDSS_z 626.71 7.95 16.907 0.014 AB
PanSTARRS_y 599.74 2.37 16.955 0.004 AB

Aperture details

RA, DEC (J2000) = 14h51m44.68s, 25d06m36.41s
semi major axis, semi minor axis (arcsec) = 8.59, 5.68
angle (degrees, anti-clockwise from east) = -39.12

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 14.56 4.04 20.992 0.301 AB
GALEX_NUV 33.25 2.43 20.096 0.079 AB
SDSS_u 157.22 7.51 18.409 0.052 AB
SDSS_g 521.47 6.23 17.107 0.013 AB
DES_g 576.39 1.48 16.998 0.003 AB
PanSTARRS_g 574.21 1.84 17.002 0.003 AB
SDSS_r 1045.99 8.86 16.351 0.009 AB
PanSTARRS_r 1040.12 2.46 16.357 0.003 AB
DES_r 1170.06 3.4 16.229 0.003 AB
SDSS_i 1457.15 11.31 15.991 0.008 AB
PanSTARRS_i 1444.24 3.38 16.001 0.003 AB
PanSTARRS_z 1788.47 6.57 15.769 0.004 AB
SDSS_z 1901.49 22.49 15.702 0.013 AB
PanSTARRS_y 2134.78 9.7 15.577 0.005 AB
2MASS_J 2524.55 184.91 14.500 0.080 Vega
2MASS_H 3197.18 274.0 13.770 0.093 Vega
2MASS_K 3079.9 301.18 13.341 0.106 Vega
WISE_W1 1200.62 15.63 13.502 0.014 Vega
WISE_W2 701.87 17.81 13.445 0.028 Vega
WISE_W3 664.82 49.93 11.669 0.082 Vega
WISE_W4 624.81 284.34 10.291 0.494 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})\, 9.728 9.882 10.015
{\rm log}_{10}({\rm SFR}) -0.655 -0.272 0.118
{\rm log}_{10}({\rm sSFR}) -10.606 -10.165 -9.656
{\rm stellar\ age} 4.421 6.567 8.214

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.172 -0.650 -0.298
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.649 0.044 0.277

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.403 0.593 0.909
\delta -0.912 -0.678 -0.358
\tau_1/\tau_2 0.526 0.858 1.163
Q_{PAH} 0.561 2.487 5.030
U_{min} 2.906 7.718 14.732
{\rm log}_{10}(\gamma_e)\, -2.914 -1.510 -0.797

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.113 -2.531 -0.928
{\rm log}_{10}(\tau_{AGN})\, 0.944 1.449 1.942

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.406 -0.127 0.113
0.03-0.10 Gyr -1.059 -0.380 0.130
0.10-0.33 Gyr -1.117 -0.365 0.164
0.33-1.08 Gyr -0.946 -0.203 0.196
1.08-3.54 Gyr -0.696 -0.048 0.195
3.54-11.63 Gyr -0.598 -0.084 0.164
11.63-12.92 Gyr -0.730 -0.054 0.546

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.476 10.517 10.614
{\rm log}_{10}({\rm SFR}) -0.288 0.166 0.540
{\rm log}_{10}({\rm sSFR}) -10.832 -10.365 -9.981
{\rm stellar\ age} 7.519 8.469 11.550

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.686 -0.521 -0.414
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.462 0.281 0.440

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.150 0.216 0.305
\delta -0.951 -0.804 -0.519
\tau_1/\tau_2 0.546 0.919 1.347
Q_{PAH} 0.240 0.782 1.869
U_{min} 2.613 7.775 15.442
{\rm log}_{10}(\gamma_e)\, -3.286 -2.590 -1.595

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.489 -3.644 -2.775
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.575 1.954

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.968 -0.605 -0.273
0.03-0.10 Gyr -0.218 0.301 0.695
0.10-0.33 Gyr -0.857 0.035 0.357
0.33-1.08 Gyr -2.327 -0.389 -0.019
1.08-3.54 Gyr -1.768 -0.316 0.181
3.54-11.63 Gyr -0.140 0.651 0.771
11.63-12.92 Gyr 0.413 1.052 1.701