2025kno

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Information

Transient

Name: SN2025kno
Right ascension: 0h38m23.91s
Declination: 15d02m00.79s
Discovery Date: May 16, 2025, 11:41 a.m.
Classification: SN Ia
Redshift: 0.017785
MW E(B-V): 0.076

Host

Name: 2025kno
Right ascension: 0h38m23.71s
Declination: 15d02m22.56s
Redshift: 0.017860
Photometric Redshift: 0.026
 

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 0.87
Cutout download processed 0.31
Global aperture construction processed 0.76
Local aperture photometry processed 7.03
Global aperture photometry processed 7.26
Validate local photometry processed 0.02
Validate global photometry processed 18.47
Host information processed 0.09
Global host SED inference processed 409.78
Local host SED inference processed 447.42
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
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) = 0h38m23.91s, 15d02m00.79s
semi major axis, semi minor axis (arcsec) = 5.51, 5.51
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 39.69 4.14 19.903 0.113 AB
SDSS_g 161.11 3.69 18.382 0.025 AB
DES_g 173.86 0.79 18.299 0.005 AB
PanSTARRS_g 159.53 1.44 18.393 0.010 AB
SDSS_r 315.27 5.35 17.653 0.018 AB
PanSTARRS_r 291.51 2.31 17.738 0.009 AB
DES_r 343.88 1.98 17.559 0.006 AB
SDSS_i 446.55 7.09 17.275 0.017 AB
PanSTARRS_i 423.36 2.43 17.333 0.006 AB
PanSTARRS_z 501.87 5.17 17.149 0.011 AB
SDSS_z 545.73 19.94 17.058 0.040 AB
DES_z 571.82 7.59 17.007 0.014 AB
PanSTARRS_y 617.31 8.82 16.924 0.016 AB
2MASS_J 622.0 124.12 16.021 0.217 Vega
2MASS_H 912.49 217.06 15.132 0.258 Vega
2MASS_K 1033.24 214.79 14.527 0.226 Vega

Aperture details

RA, DEC (J2000) = 0h38m23.72s, 15d02m22.43s
semi major axis, semi minor axis (arcsec) = 16.05, 12.95
angle (degrees, anti-clockwise from east) = -22.38

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 3535.35 16.05 15.029 0.005 AB
DES_g 3755.85 3.31 14.963 0.001 AB
PanSTARRS_g 3688.67 4.17 14.983 0.001 AB
SDSS_r 7149.18 23.1 14.264 0.004 AB
PanSTARRS_r 7030.28 6.53 14.283 0.001 AB
DES_r 7792.29 8.85 14.171 0.001 AB
SDSS_i 10279.35 28.91 13.870 0.003 AB
PanSTARRS_i 10203.38 6.87 13.878 0.001 AB
SDSS_z 13839.74 58.08 13.547 0.005 AB
DES_z 13928.77 36.17 13.540 0.003 AB
PanSTARRS_y 15748.07 23.25 13.407 0.002 AB
2MASS_J 20402.08 332.31 12.231 0.018 Vega
2MASS_K 22009.85 572.0 11.206 0.028 Vega
WISE_W1 10954.09 66.42 11.102 0.007 Vega
WISE_W2 6634.85 70.18 11.006 0.011 Vega
WISE_W4 36849.95 1850.09 5.864 0.055 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})\, 8.749 8.929 9.082
{\rm log}_{10}({\rm SFR}) -2.047 -1.410 -0.798
{\rm log}_{10}({\rm sSFR}) -11.048 -10.365 -9.704
{\rm stellar\ age} 5.053 7.578 10.248

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.722 -1.255 -0.779
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.511 -0.382 0.092

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.477 0.777 1.137
\delta -0.526 -0.208 0.077
\tau_1/\tau_2 0.638 0.947 1.293
Q_{PAH} 0.517 1.965 3.749
U_{min} 2.600 7.798 14.799
{\rm log}_{10}(\gamma_e)\, -3.474 -2.457 -1.251

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.110 -2.231 -1.170
{\rm log}_{10}(\tau_{AGN})\, 0.931 1.390 1.861

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.979 -1.501 -1.046
0.03-0.10 Gyr -2.441 -1.420 -0.707
0.10-0.33 Gyr -2.711 -1.439 -0.752
0.33-1.10 Gyr -2.693 -1.446 -0.855
1.10-3.66 Gyr -2.499 -1.294 -0.909
3.66-12.17 Gyr -1.834 -1.067 -0.827
12.17-13.52 Gyr -1.705 -0.914 -0.115

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.170 10.308 10.426
{\rm log}_{10}({\rm SFR}) -1.244 -0.223 0.227
{\rm log}_{10}({\rm sSFR}) -11.497 -10.483 -10.067
{\rm stellar\ age} 5.767 7.623 9.589

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.631 -0.418 -0.273
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.793 -1.453 -0.104

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.384 0.549 0.718
\delta -0.545 -0.283 0.180
\tau_1/\tau_2 0.624 0.963 1.341
Q_{PAH} 0.281 0.845 4.077
U_{min} 2.404 6.875 13.442
{\rm log}_{10}(\gamma_e)\, -3.609 -2.798 -1.711

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.942 -2.715 -1.902
{\rm log}_{10}(\tau_{AGN})\, 1.086 1.562 1.966

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.459 -0.201 0.139
0.03-0.10 Gyr -1.386 -0.268 0.282
0.10-0.33 Gyr -1.245 -0.192 0.280
0.33-1.10 Gyr -1.264 -0.171 0.407
1.10-3.66 Gyr -0.654 0.214 0.540
3.66-12.17 Gyr -0.043 0.347 0.577
12.17-13.52 Gyr -0.265 0.427 1.132