2025ygr

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Information

Transient

Name: AT2025ygr
Right ascension: 4h09m41.36s
Declination: -68d04m47.41s
Discovery Date: Sept. 22, 2025, 7:25 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.046

Host

Name:
Right ascension: 4h09m40.94s
Declination: -68d04m49.76s
Redshift: None
Photometric Redshift: 0.050
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.77
Transient MWEBV processed 0.04
Host match processed 4.69
Host information processed 0.11
Host MWEBV processed 0.04
Global aperture construction processed 0.26
Global aperture photometry processed 0.75
Validate global photometry processed 0.91
Global host SED inference processed 455.31
Local aperture photometry processed 0.83
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) = 4h09m41.36s, -68d04m47.41s
semi major axis, semi minor axis (arcsec) = 2.06, 2.06
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) = 4h09m40.77s, -68d04m48.61s
semi major axis, semi minor axis (arcsec) = 4.67, 2.23
angle (degrees, anti-clockwise from east) = -72.92

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.31 2.2 21.477 0.256 AB
GALEX_NUV 12.8 0.71 21.132 0.060 AB
2MASS_J 133.79 85.87 17.689 0.697 Vega
2MASS_H 307.66 125.92 16.312 0.444 Vega
2MASS_K 229.72 151.87 16.159 0.718 Vega
WISE_W1 67.08 5.57 16.635 0.090 Vega
WISE_W2 45.33 6.22 16.420 0.149 Vega
WISE_W3 63.57 31.53 14.218 0.539 Vega
WISE_W4 228.05 232.12 11.385 1.105 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})\, 8.058 8.549 8.894
{\rm log}_{10}({\rm SFR}) -1.064 -0.747 -0.382
{\rm log}_{10}({\rm sSFR}) -9.882 -9.278 -8.531
{\rm stellar\ age} 1.371 5.941 8.136

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.659 -1.109 -0.089
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.545 -0.492 0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.407 0.637
\delta -0.329 0.013 0.233
\tau_1/\tau_2 0.462 0.863 1.287
Q_{PAH} 0.619 1.806 4.085
U_{min} 2.956 8.112 15.497
{\rm log}_{10}(\gamma_e)\, -3.279 -2.277 -1.265

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.215 -2.935 -1.599
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.497 1.908

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.013 -0.614 -0.239
0.03-0.10 Gyr -1.673 -0.942 -0.396
0.10-0.33 Gyr -2.202 -1.253 -0.688
0.33-1.09 Gyr -2.690 -1.579 -0.988
1.09-3.58 Gyr -3.047 -1.637 -1.145
3.58-11.78 Gyr -3.210 -1.540 -1.002
11.78-13.09 Gyr -3.134 -1.502 -0.663