2025gyy

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Information

Transient

Name: SN2025gyy
Right ascension: 8h24m40.37s
Declination: 20d14m32.74s
Discovery Date: April 8, 2025, 4:06 a.m.
Classification: SN Ia
Redshift: 0.090689
MW E(B-V): 0.032

Host

Name: 2025gyy
Right ascension: 8h24m40.26s
Declination: 20d14m35.10s
Redshift: 0.090689
Photometric Redshift: 0.125
 

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 2.39
Cutout download processed 0.78
Global aperture construction processed 0.74
Local aperture photometry processed 7.86
Global aperture photometry processed 7.87
Validate local photometry processed 0.03
Validate global photometry processed 19.79
Host information processed 0.08
Global host SED inference processed 707.83
Local host SED inference processed 466.64
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.05
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) = 8h24m40.37s, 20d14m32.74s
semi major axis, semi minor axis (arcsec) = 1.18, 1.18
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 13.13 0.27 21.105 0.022 AB
DES_r 33.11 0.54 20.100 0.018 AB
PanSTARRS_i 33.92 0.36 20.074 0.011 AB
PanSTARRS_z 44.94 0.77 19.768 0.019 AB
DES_z 55.4 1.8 19.541 0.035 AB
PanSTARRS_y 49.73 2.11 19.659 0.046 AB

Aperture details

RA, DEC (J2000) = 8h24m40.25s, 20d14m35.15s
semi major axis, semi minor axis (arcsec) = 6.52, 5.95
angle (degrees, anti-clockwise from east) = -6.8

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.8 0.6 23.261 0.359 AB
GALEX_NUV 2.52 0.61 22.896 0.261 AB
SDSS_u 42.34 6.06 19.833 0.155 AB
SDSS_g 230.78 4.42 17.992 0.021 AB
DES_g 253.28 1.21 17.891 0.005 AB
PanSTARRS_g 256.72 1.72 17.876 0.007 AB
SDSS_r 559.92 6.89 17.030 0.013 AB
PanSTARRS_r 578.61 1.67 16.994 0.003 AB
DES_r 620.68 2.37 16.918 0.004 AB
SDSS_i 844.62 8.94 16.583 0.011 AB
PanSTARRS_i 863.64 1.86 16.559 0.002 AB
PanSTARRS_z 1122.07 4.01 16.275 0.004 AB
SDSS_z 1135.22 23.62 16.262 0.023 AB
DES_z 1199.28 8.44 16.203 0.008 AB
PanSTARRS_y 1305.08 11.01 16.111 0.009 AB
2MASS_J 1762.81 127.15 14.890 0.078 Vega
2MASS_H 2097.19 214.27 14.228 0.111 Vega
2MASS_K 2001.21 197.52 13.809 0.107 Vega
WISE_W1 702.4 22.24 14.085 0.034 Vega
WISE_W2 399.23 23.79 14.058 0.065 Vega
WISE_W3 10.88 78.43 16.135 7.828 Vega
WISE_W4 201.24 500.62 11.521 2.701 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})\, 9.081 9.267 9.384
{\rm log}_{10}({\rm SFR}) -1.837 -0.910 -0.252
{\rm log}_{10}({\rm sSFR}) -11.143 -10.168 -9.333
{\rm stellar\ age} 4.772 6.874 8.612

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.067 -0.503 -0.093
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.675 -0.803 0.179

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.205 0.667 1.144
\delta -0.544 -0.183 0.128
\tau_1/\tau_2 0.723 1.085 1.433
Q_{PAH} 0.977 2.888 5.015
U_{min} 3.431 8.665 15.350
{\rm log}_{10}(\gamma_e)\, -2.891 -1.713 -0.517

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.352 -0.366 0.108
{\rm log}_{10}(\tau_{AGN})\, 1.109 1.567 2.038

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.702 -0.830 -0.280
0.03-0.10 Gyr -2.142 -1.038 -0.221
0.10-0.33 Gyr -2.129 -1.124 -0.391
0.33-1.06 Gyr -1.977 -1.052 -0.504
1.06-3.47 Gyr -1.681 -0.837 -0.552
3.47-11.31 Gyr -1.217 -0.661 -0.446
11.31-12.57 Gyr -1.315 -0.609 0.064

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.736 10.836 10.869
{\rm log}_{10}({\rm SFR}) -1.405 -0.581 0.164
{\rm log}_{10}({\rm sSFR}) -12.188 -11.336 -10.629
{\rm stellar\ age} 8.763 11.870 11.934

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.362 -1.013 -0.766
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.504 -0.456 0.244

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.287 0.426 0.580
\delta -0.900 -0.747 -0.562
\tau_1/\tau_2 0.524 1.057 1.587
Q_{PAH} 0.530 2.109 4.369
U_{min} 3.620 10.372 18.159
{\rm log}_{10}(\gamma_e)\, -2.703 -1.248 -0.405

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.556 -3.595 -2.550
{\rm log}_{10}(\tau_{AGN})\, 1.138 1.646 2.005

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.184 -1.345 -0.508
0.03-0.10 Gyr -1.972 -0.524 0.316
0.10-0.33 Gyr -4.289 -2.063 -0.338
0.33-1.06 Gyr -6.372 -3.622 -0.989
1.06-3.47 Gyr -5.009 -2.968 -0.918
3.47-11.31 Gyr -2.404 -0.965 0.883
11.31-12.57 Gyr 1.371 1.987 2.024