2025ygv

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Information

Transient

Name: AT2025ygv
Right ascension: 3h30m18.01s
Declination: -46d15m50.14s
Discovery Date: Sept. 22, 2025, 7:20 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name:
Right ascension: 3h30m17.82s
Declination: -46d15m49.88s
Redshift: None
Photometric Redshift: 0.133
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.16
Transient MWEBV processed 0.04
Host match processed 5.49
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.11
Global aperture photometry processed 0.83
Validate global photometry processed 0.92
Global host SED inference processed 746.92
Local aperture photometry processed 0.76
Validate local photometry no valid phot 0.01
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) = 3h30m18.01s, -46d15m50.14s
semi major axis, semi minor axis (arcsec) = 0.85, 0.85
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) = 3h30m17.81s, -46d15m49.83s
semi major axis, semi minor axis (arcsec) = 5.67, 5.29
angle (degrees, anti-clockwise from east) = -67.26

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 4.2 2.09 22.343 0.542 AB
GALEX_NUV 3.41 1.05 22.568 0.334 AB
2MASS_J 1147.24 117.65 15.356 0.111 Vega
2MASS_H 1564.72 170.93 14.546 0.119 Vega
2MASS_K 1439.2 201.64 14.167 0.152 Vega
WISE_W1 462.92 9.46 14.537 0.022 Vega
WISE_W2 274.58 9.91 14.464 0.039 Vega
WISE_W3 19.62 35.43 15.494 1.961 Vega
WISE_W4 46.5 187.33 13.111 4.374 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})\, 10.379 10.599 10.776
{\rm log}_{10}({\rm SFR}) -0.489 0.369 0.939
{\rm log}_{10}({\rm sSFR}) -11.234 -10.274 -9.525
{\rm stellar\ age} 3.513 6.056 7.999

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.992 -0.550 -0.189
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.939 -0.434 0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.339 0.499 0.646
\delta -0.964 -0.871 -0.665
\tau_1/\tau_2 0.354 0.778 1.228
Q_{PAH} 0.223 0.919 3.110
U_{min} 2.277 6.799 13.744
{\rm log}_{10}(\gamma_e)\, -3.520 -2.692 -1.486

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.508 -3.733 -2.617
{\rm log}_{10}(\tau_{AGN})\, 1.068 1.590 1.975

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.923 0.252 0.823
0.03-0.10 Gyr -1.055 0.261 1.005
0.10-0.32 Gyr -1.011 0.411 1.125
0.32-1.04 Gyr -1.040 0.572 1.106
1.04-3.36 Gyr -0.629 0.526 0.887
3.36-10.85 Gyr -0.257 0.593 0.953
10.85-12.06 Gyr -0.399 0.628 1.403