2025isw

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Information

Transient

Name: AT2025isw
Right ascension: 6h57m47.34s
Declination: 48d03m17.99s
Discovery Date: April 16, 2025, 5:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.070

Host

Name: 2025isw
Right ascension: 6h57m47.52s
Declination: 48d03m18.43s
Redshift: None
Photometric Redshift: 0.137
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 2.27
Cutout download processed 7.64
Global aperture construction processed 0.68
Local aperture photometry processed 5.61
Global aperture photometry processed 5.58
Validate local photometry no valid phot 0.02
Validate global photometry processed 14.82
Host information processed 0.09
Global host SED inference processed 402.43
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.05
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) = 6h57m47.34s, 48d03m17.99s
semi major axis, semi minor axis (arcsec) = 0.83, 0.83
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Aperture details

RA, DEC (J2000) = 6h57m47.51s, 48d03m18.55s
semi major axis, semi minor axis (arcsec) = 6.44, 5.21
angle (degrees, anti-clockwise from east) = -29.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 8.6 2.07 21.563 0.261 AB
GALEX_NUV 10.91 1.99 21.305 0.198 AB
DES_g 116.76 0.8 18.732 0.007 AB
PanSTARRS_g 125.74 1.27 18.651 0.011 AB
PanSTARRS_r 205.49 1.79 18.118 0.009 AB
PanSTARRS_i 287.59 1.41 17.753 0.005 AB
PanSTARRS_z 330.67 4.53 17.602 0.015 AB
DES_z 355.25 2.71 17.524 0.008 AB
PanSTARRS_y 340.23 10.31 17.571 0.033 AB
2MASS_J 564.76 141.11 16.125 0.271 Vega
2MASS_H 995.67 238.54 15.037 0.260 Vega
2MASS_K 561.14 232.75 15.190 0.450 Vega
WISE_W1 208.76 19.28 15.402 0.100 Vega
WISE_W2 144.06 22.14 15.165 0.167 Vega
WISE_W3 480.04 72.4 12.023 0.164 Vega
WISE_W4 913.94 464.11 9.878 0.551 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})\, 10.256 10.328 10.402
{\rm log}_{10}({\rm SFR}) -0.237 0.083 0.422
{\rm log}_{10}({\rm sSFR}) -10.570 -10.223 -9.892
{\rm stellar\ age} 4.966 5.947 6.887

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.311 -0.996 -0.757
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.513 0.114 0.369

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.160 0.259 0.391
\delta -0.650 -0.315 0.003
\tau_1/\tau_2 0.716 1.024 1.384
Q_{PAH} 0.752 2.027 3.818
U_{min} 2.608 7.522 14.263
{\rm log}_{10}(\gamma_e)\, -2.674 -1.841 -0.991

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.165 -2.760 -1.670
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.538 1.923

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.408 -0.115 0.080
0.03-0.10 Gyr -0.252 0.150 0.539
0.10-0.32 Gyr 0.088 0.437 0.708
0.32-1.04 Gyr 0.147 0.446 0.643
1.04-3.35 Gyr 0.233 0.491 0.693
3.35-10.81 Gyr 0.236 0.445 0.585
10.81-12.01 Gyr -0.158 0.413 0.829