2025gnv

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Information

Transient

Name: SN2025gnv
Right ascension: 21h06m16.79s
Declination: 21d48m20.75s
Discovery Date: March 31, 2025, 3:14 p.m.
Classification: SN Ia
Redshift: 0.040000
MW E(B-V): 0.169

Host

Name: 2025gnv
Right ascension: 21h06m16.21s
Declination: 21d48m24.14s
Redshift: 0.052400
Photometric Redshift: 0.059
 

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 3.05
Cutout download processed 0.31
Global aperture construction processed 0.72
Local aperture photometry processed 5.51
Global aperture photometry processed 5.67
Validate local photometry processed 0.02
Validate global photometry processed 16.44
Host information processed 0.09
Global host SED inference processed 405.76
Local host SED inference processed 441.63
Transient information processed 0.0
Transient MWEBV processed 0.06
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) = 21h06m16.79s, 21d48m20.75s
semi major axis, semi minor axis (arcsec) = 1.96, 1.96
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 3.91 2.28 22.421 0.634 AB
SDSS_g 12.63 1.09 21.147 0.094 AB
PanSTARRS_g 10.09 0.4 21.391 0.043 AB
SDSS_r 19.96 1.46 20.650 0.080 AB
PanSTARRS_r 17.29 0.53 20.805 0.033 AB
SDSS_i 31.53 2.14 20.153 0.074 AB
PanSTARRS_i 24.03 0.65 20.448 0.029 AB
PanSTARRS_z 26.29 1.4 20.351 0.058 AB
SDSS_z 45.11 5.41 19.764 0.130 AB
PanSTARRS_y 26.9 3.83 20.326 0.154 AB

Aperture details

RA, DEC (J2000) = 21h06m16.28s, 21d48m23.88s
semi major axis, semi minor axis (arcsec) = 10.28, 5.23
angle (degrees, anti-clockwise from east) = -65.32

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 20.67 2.61 20.612 0.137 AB
SDSS_u 164.4 8.87 18.360 0.059 AB
SDSS_g 462.25 5.98 17.238 0.014 AB
PanSTARRS_g 495.11 1.57 17.163 0.003 AB
SDSS_r 868.49 8.34 16.553 0.010 AB
PanSTARRS_r 916.12 2.06 16.495 0.002 AB
SDSS_i 1316.7 11.1 16.101 0.009 AB
PanSTARRS_i 1306.36 2.48 16.110 0.002 AB
PanSTARRS_z 1561.82 5.27 15.916 0.004 AB
SDSS_z 1738.61 21.93 15.799 0.014 AB
PanSTARRS_y 1872.39 14.15 15.719 0.008 AB
2MASS_J 2746.7 177.89 14.408 0.070 Vega
2MASS_H 2642.03 248.52 13.978 0.102 Vega
2MASS_K 2979.04 298.39 13.377 0.109 Vega
WISE_W1 1420.99 31.36 13.320 0.024 Vega
WISE_W2 920.42 32.66 13.151 0.039 Vega
WISE_W3 4412.5 109.5 9.614 0.027 Vega
WISE_W4 5003.67 740.97 8.032 0.161 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})\, 8.277 8.485 8.613
{\rm log}_{10}({\rm SFR}) -2.139 -1.466 -0.790
{\rm log}_{10}({\rm sSFR}) -10.603 -9.929 -9.172
{\rm stellar\ age} 2.584 6.203 7.895

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.734 -1.314 -0.754
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.787 -1.119 0.111

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.177 0.490 0.976
\delta -0.524 -0.105 0.252
\tau_1/\tau_2 0.694 1.062 1.440
Q_{PAH} 0.928 2.594 5.125
U_{min} 3.001 8.022 15.166
{\rm log}_{10}(\gamma_e)\, -2.852 -1.545 -0.526

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.178 -0.345 0.121
{\rm log}_{10}(\tau_{AGN})\, 1.196 1.502 1.876

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.371 -1.773 -1.259
0.03-0.10 Gyr -2.306 -1.418 -0.670
0.10-0.33 Gyr -2.354 -1.431 -0.722
0.33-1.08 Gyr -2.575 -1.578 -1.013
1.08-3.57 Gyr -2.356 -1.522 -1.226
3.57-11.75 Gyr -2.490 -1.518 -1.229
11.75-13.06 Gyr -2.656 -1.557 -0.941

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.096 10.230 10.335
{\rm log}_{10}({\rm SFR}) -0.051 0.420 0.983
{\rm log}_{10}({\rm sSFR}) -10.343 -9.870 -9.177
{\rm stellar\ age} 5.599 6.913 8.136

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.769 -0.486 -0.299
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.559 0.185 0.391

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.188 0.321 0.520
\delta -0.794 -0.489 0.004
\tau_1/\tau_2 0.558 0.892 1.254
Q_{PAH} 0.997 2.240 4.120
U_{min} 2.393 7.017 14.288
{\rm log}_{10}(\gamma_e)\, -3.070 -2.134 -1.282

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.322 -2.156 -1.543
{\rm log}_{10}(\tau_{AGN})\, 1.055 1.535 1.932

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.606 -0.102 0.198
0.03-0.10 Gyr -0.058 0.539 1.135
0.10-0.33 Gyr -0.611 0.106 0.492
0.33-1.08 Gyr -0.649 0.033 0.310
1.08-3.57 Gyr -0.264 0.216 0.471
3.57-11.75 Gyr -0.100 0.300 0.482
11.75-13.06 Gyr -0.258 0.359 0.851