2025gvn

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Information

Transient

Name: AT2025gvn
Right ascension: 21h50m12.49s
Declination: -20d52m10.50s
Discovery Date: April 5, 2025, 6:49 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.032

Host

Name: 2025gvn
Right ascension: 21h50m12.53s
Declination: -20d52m11.30s
Redshift: None
Photometric Redshift: 0.178
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 1.84
Cutout download processed 4.54
Global aperture construction processed 0.66
Local aperture photometry processed 4.01
Global aperture photometry processed 4.17
Validate local photometry no valid phot 0.02
Validate global photometry processed 11.78
Host information processed 0.09
Global host SED inference processed 420.36
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.06
Host MWEBV processed 0.07
Log transient processing status blocked 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) = 21h50m12.49s, -20d52m10.50s
semi major axis, semi minor axis (arcsec) = 0.67, 0.67
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) = 21h50m12.52s, -20d52m11.20s
semi major axis, semi minor axis (arcsec) = 4.23, 3.08
angle (degrees, anti-clockwise from east) = -160.94

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.44 1.16 22.931 0.517 AB
GALEX_NUV 1.76 0.93 23.288 0.577 AB
PanSTARRS_g 53.08 0.9 19.588 0.019 AB
PanSTARRS_r 113.13 1.15 18.766 0.011 AB
PanSTARRS_i 166.45 0.96 18.347 0.006 AB
PanSTARRS_z 204.77 2.52 18.122 0.013 AB
PanSTARRS_y 227.29 5.72 18.009 0.027 AB
2MASS_J 336.56 94.61 16.687 0.305 Vega
2MASS_H 232.35 153.74 16.617 0.718 Vega
2MASS_K 700.61 177.52 14.949 0.275 Vega
WISE_W1 131.51 10.57 15.904 0.087 Vega
WISE_W2 98.94 13.22 15.573 0.145 Vega
WISE_W3 364.06 73.23 12.323 0.218 Vega
WISE_W4 957.33 557.87 9.827 0.633 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})\, 10.300 10.444 10.572
{\rm log}_{10}({\rm SFR}) -2.210 -0.335 0.370
{\rm log}_{10}({\rm sSFR}) -12.675 -10.791 -10.099
{\rm stellar\ age} 3.367 6.265 8.470

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.580 -1.154 -0.796
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.549 -0.396 0.257

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.305 0.463 0.684
\delta -0.829 -0.598 -0.324
\tau_1/\tau_2 0.571 0.995 1.380
Q_{PAH} 0.693 1.920 3.999
U_{min} 3.041 8.373 16.452
{\rm log}_{10}(\gamma_e)\, -2.826 -1.828 -0.746

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.228 -2.928 -1.797
{\rm log}_{10}(\tau_{AGN})\, 1.015 1.485 1.895

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.183 -0.637 0.003
0.03-0.10 Gyr -2.737 -0.339 0.481
0.10-0.32 Gyr -2.117 -0.029 0.675
0.32-1.02 Gyr -2.187 0.115 0.764
1.02-3.26 Gyr -1.092 0.423 0.849
3.26-10.39 Gyr -0.874 0.509 0.778
10.39-11.55 Gyr -1.061 0.510 1.443