2025yyx

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Information

Transient

Name: AT2025yyx
Right ascension: 4h59m14.62s
Declination: -46d44m06.22s
Discovery Date: Sept. 29, 2025, 6:58 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.017

Host

Name:
Right ascension: 4h59m14.64s
Declination: -46d44m05.72s
Redshift: None
Photometric Redshift: 0.191
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 4.04
Transient MWEBV processed 0.07
Host match processed 5.82
Host information processed 0.17
Host MWEBV processed 0.03
Global aperture construction processed 0.28
Global aperture photometry processed 0.87
Validate global photometry processed 1.16
Global host SED inference processed 427.83
Local aperture photometry processed 1.02
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) = 4h59m14.62s, -46d44m06.22s
semi major axis, semi minor axis (arcsec) = 0.63, 0.63
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) = 4h59m14.63s, -46d44m06.15s
semi major axis, semi minor axis (arcsec) = 9.99, 6.17
angle (degrees, anti-clockwise from east) = -107.71

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.43 3.22 21.354 0.336 AB
GALEX_NUV 10.67 2.68 21.330 0.273 AB
2MASS_J 377.1 189.91 16.564 0.547 Vega
2MASS_H 974.45 220.38 15.061 0.246 Vega
2MASS_K 539.29 349.02 15.233 0.703 Vega
WISE_W1 308.2 10.94 14.979 0.039 Vega
WISE_W2 262.21 15.15 14.514 0.063 Vega
WISE_W3 665.2 57.92 11.669 0.095 Vega
WISE_W4 1743.8 344.27 9.176 0.214 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})\, 10.439 10.623 10.796
{\rm log}_{10}({\rm SFR}) 0.253 0.773 1.109
{\rm log}_{10}({\rm sSFR}) -10.433 -9.878 -9.450
{\rm stellar\ age} 2.543 5.092 6.951

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.598 -0.163 0.062
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.758 -0.281 0.075

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.205 0.371 0.555
\delta -0.721 -0.442 -0.144
\tau_1/\tau_2 0.382 0.803 1.266
Q_{PAH} 0.400 1.197 2.749
U_{min} 2.256 6.602 13.764
{\rm log}_{10}(\gamma_e)\, -3.503 -2.748 -1.645

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.999 -2.531 -1.326
{\rm log}_{10}(\tau_{AGN})\, 1.118 1.562 1.941

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.307 0.650 1.138
0.03-0.10 Gyr -0.111 0.673 1.173
0.10-0.32 Gyr -0.324 0.772 1.233
0.32-1.01 Gyr -0.099 0.888 1.360
1.01-3.22 Gyr -0.156 0.690 0.971
3.22-10.26 Gyr -0.298 0.627 0.966
10.26-11.40 Gyr -0.304 0.644 1.309