2025ian

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Information

Transient

Name: SN2025ian
Right ascension: 20h58m11.51s
Declination: 14d55m29.66s
Discovery Date: April 22, 2025, 8:50 a.m.
Classification: SN Ia
Redshift: 0.050000
MW E(B-V): 0.073

Host

Name: 2025ian
Right ascension: 20h58m12.02s
Declination: 14d55m28.57s
Redshift: None
Photometric Redshift: 0.455
 

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
failed
 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 3.34
Cutout download processed 0.51
Global aperture construction processed 2.6
Local aperture photometry processed 4.17
Global aperture photometry processed 4.23
Validate local photometry processed 0.02
Validate global photometry processed 12.29
Host information processed 0.07
Global host SED inference processed 704.82
Local host SED inference failed 0.01
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.1
Processing status blocked 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) = 20h58m11.51s, 14d55m29.66s
semi major axis, semi minor axis (arcsec) = 2.05, 2.05
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 -7.22 0.51 AB
PanSTARRS_r -2.17 0.56 AB
PanSTARRS_i -1.16 0.61 AB
PanSTARRS_z -4.45 1.88 AB
PanSTARRS_y -2.09 3.55 AB

Aperture details

RA, DEC (J2000) = 20h58m12.01s, 14d55m28.56s
semi major axis, semi minor axis (arcsec) = 2.76, 2.46
angle (degrees, anti-clockwise from east) = -163.01

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 1.3 0.92 23.612 0.763 AB
GALEX_NUV 3.56 1.38 22.521 0.421 AB
PanSTARRS_g 5.44 0.65 22.061 0.129 AB
PanSTARRS_r 9.47 0.71 21.459 0.081 AB
PanSTARRS_i 26.64 0.75 20.336 0.030 AB
PanSTARRS_z 50.76 2.31 19.636 0.049 AB
PanSTARRS_y 73.31 4.31 19.237 0.064 AB
2MASS_J 32.65 98.38 19.220 3.272 Vega
2MASS_H 263.18 140.3 16.482 0.579 Vega
2MASS_K 152.81 142.04 16.602 1.009 Vega
WISE_W1 32.63 15.62 17.417 0.520 Vega
WISE_W2 22.35 16.36 17.188 0.795 Vega
WISE_W3 -2.62 53.06 Vega
WISE_W4 225.12 356.73 11.399 1.720 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.469 9.133 9.567
{\rm log}_{10}({\rm SFR}) -0.639 -0.002 0.460
{\rm log}_{10}({\rm sSFR}) -10.149 -9.117 -7.979
{\rm stellar\ age} 0.183 6.241 9.958

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.520 -0.131 0.095
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.196 -0.625 -0.137

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 2.556 3.112 3.648
\delta -0.097 0.077 0.240
\tau_1/\tau_2 0.697 1.212 1.671
Q_{PAH} 0.780 2.443 4.789
U_{min} 3.313 9.392 17.611
{\rm log}_{10}(\gamma_e)\, -3.183 -1.905 -1.022

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.196 -2.099 -0.401
{\rm log}_{10}(\tau_{AGN})\, 0.992 1.539 1.917

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.163 0.055 0.684
0.03-0.10 Gyr -2.582 -0.563 0.399
0.10-0.33 Gyr -4.291 -1.872 -0.357
0.33-1.09 Gyr -5.985 -2.490 -0.779
1.09-3.58 Gyr -5.573 -2.118 -0.603
3.58-11.78 Gyr -5.390 -1.474 -0.435
11.78-13.09 Gyr -5.491 -1.218 0.224