2025joh

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Information

Transient

Name: AT2025joh
Right ascension: 21h32m53.91s
Declination: 24d03m06.72s
Discovery Date: April 30, 2025, 10:21 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.088

Host

Name: 2025joh
Right ascension: 21h32m54.35s
Declination: 24d03m11.62s
Redshift: 0.120623
Photometric Redshift: 0.124
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.27
Transient MWEBV processed 0.04
Host match processed 2.75
Host information processed 0.09
Host MWEBV processed 0.12
Global aperture construction processed 0.75
Global aperture photometry processed 4.44
Validate global photometry processed 10.56
Global host SED inference processed 429.55
Local aperture photometry processed 4.24
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 21h32m53.91s, 24d03m06.72s
semi major axis, semi minor axis (arcsec) = 0.92, 0.92
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available


Aperture details

RA, DEC (J2000) = 21h32m54.36s, 24d03m11.76s
semi major axis, semi minor axis (arcsec) = 11.39, 4.25
angle (degrees, anti-clockwise from east) = -135.48

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 209.08 1.85 18.099 0.010 AB
PanSTARRS_r 521.48 2.01 17.107 0.004 AB
PanSTARRS_i 834.92 2.31 16.596 0.003 AB
PanSTARRS_z 1142.48 4.43 16.255 0.004 AB
PanSTARRS_y 1428.91 11.5 16.012 0.009 AB
2MASS_J 1738.79 224.45 14.904 0.140 Vega
2MASS_H 2722.31 331.62 13.945 0.132 Vega
WISE_W1 1191.96 29.96 13.510 0.027 Vega
WISE_W2 837.29 31.39 13.254 0.041 Vega
WISE_W3 1151.67 84.39 11.073 0.080 Vega
WISE_W4 806.0 458.45 10.014 0.618 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.001 11.060 11.155
{\rm log}_{10}({\rm SFR}) -0.972 -0.162 0.423
{\rm log}_{10}({\rm sSFR}) -12.006 -11.247 -10.586
{\rm stellar\ age} 7.077 7.927 11.205

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.410 -0.258 -0.141
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.544 -0.732 0.105

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.233 0.351 0.503
\delta -0.943 -0.788 -0.528
\tau_1/\tau_2 0.630 0.987 1.349
Q_{PAH} 0.652 1.922 4.248
U_{min} 2.200 6.886 14.517
{\rm log}_{10}(\gamma_e)\, -3.092 -2.025 -1.119

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.914 -2.619 -1.783
{\rm log}_{10}(\tau_{AGN})\, 1.022 1.456 1.864

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.241 -0.315 0.190
0.03-0.10 Gyr -1.234 -0.187 0.517
0.10-0.32 Gyr -1.409 -0.232 0.480
0.32-1.05 Gyr -1.585 -0.245 0.512
1.05-3.39 Gyr -1.062 0.198 0.900
3.39-10.98 Gyr 0.241 1.196 1.348
10.98-12.20 Gyr 0.961 1.553 2.288