2025yul

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Information

Transient

Name: AT2025yul
Right ascension: 21h56m26.76s
Declination: 9d51m56.16s
Discovery Date: Sept. 29, 2025, 12:16 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 21h56m26.64s
Declination: 9d51m57.91s
Redshift: None
Photometric Redshift: 0.071
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 6.62
Cutout download processed 17.19
Global aperture construction processed 2.71
Local aperture photometry processed 6.32
Global aperture photometry processed 6.48
Validate local photometry processed 0.03
Validate global photometry processed 15.57
Host information processed 0.12
Global host SED inference processed 1019.01
Local host SED inference processed 599.35
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 21h56m26.76s, 9d51m56.16s
semi major axis, semi minor axis (arcsec) = 1.48, 1.48
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 3.57 0.61 22.517 0.184 AB
DES_g 3.41 0.13 22.568 0.042 AB
PanSTARRS_g 3.25 0.33 22.620 0.109 AB
SDSS_r 4.93 0.9 22.167 0.197 AB
PanSTARRS_r 3.66 0.39 22.491 0.116 AB
DES_r 4.6 0.27 22.242 0.063 AB
SDSS_i 4.55 1.27 22.256 0.304 AB
PanSTARRS_i 3.95 0.35 22.408 0.095 AB
PanSTARRS_z 5.02 1.02 22.149 0.222 AB
SDSS_z 0.03 4.67 27.738 173.881 AB
DES_z 5.01 0.56 22.150 0.122 AB
PanSTARRS_y 2.1 2.71 23.096 1.404 AB

Aperture details

RA, DEC (J2000) = 21h56m26.63s, 9d51m58.32s
semi major axis, semi minor axis (arcsec) = 6.99, 3.85
angle (degrees, anti-clockwise from east) = -9.93

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 13.7 2.93 21.058 0.232 AB
GALEX_NUV 9.12 1.82 21.500 0.217 AB
SDSS_u -4.88 3.83 AB
SDSS_g 26.53 1.91 20.341 0.078 AB
DES_g 24.06 0.4 20.447 0.018 AB
PanSTARRS_g 24.32 1.14 20.435 0.051 AB
SDSS_r 32.61 2.93 20.117 0.097 AB
PanSTARRS_r 30.01 1.36 20.207 0.049 AB
DES_r 31.64 0.83 20.149 0.029 AB
SDSS_i 36.19 4.33 20.004 0.130 AB
PanSTARRS_i 34.84 1.2 20.045 0.037 AB
PanSTARRS_z 39.43 3.54 19.910 0.097 AB
SDSS_z 68.2 16.42 19.316 0.261 AB
DES_z 37.28 1.8 19.971 0.052 AB
PanSTARRS_y 34.34 9.37 20.061 0.296 AB
2MASS_J -123.61 110.82 Vega
2MASS_H 383.2 164.92 16.074 0.467 Vega
2MASS_K -44.5 222.55 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 7.379 7.663 7.865
{\rm log}_{10}({\rm SFR}) -2.040 -1.387 -0.679
{\rm log}_{10}({\rm sSFR}) -9.781 -9.028 -7.981
{\rm stellar\ age} 0.157 1.567 5.194

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.371 -0.448 0.021
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.379 -0.701 -0.049

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.316 0.632 1.252
\delta -0.227 0.101 0.294
\tau_1/\tau_2 0.641 1.103 1.545
Q_{PAH} 1.630 3.637 5.641
U_{min} 3.398 9.034 16.917
{\rm log}_{10}(\gamma_e)\, -2.881 -1.751 -0.664

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -0.189 0.241 0.410
{\rm log}_{10}(\tau_{AGN})\, 1.141 1.549 1.912

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.774 -1.802 -1.356
0.03-0.10 Gyr -2.152 -1.331 -0.534
0.10-0.33 Gyr -2.674 -1.468 -0.886
0.33-1.07 Gyr -4.576 -2.071 -1.520
1.07-3.52 Gyr -6.499 -3.110 -2.039
3.52-11.54 Gyr -7.494 -3.364 -2.262
11.54-12.82 Gyr -7.459 -3.221 -2.133

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.466 8.771 8.946
{\rm log}_{10}({\rm SFR}) -0.359 0.054 0.516
{\rm log}_{10}({\rm sSFR}) -9.142 -8.658 -8.075
{\rm stellar\ age} 0.467 4.897 8.474

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.810 -1.461 -0.720
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.685 -0.962 0.141

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.202 0.764 1.375
\delta 0.164 0.317 0.379
\tau_1/\tau_2 0.516 1.092 1.618
Q_{PAH} 1.617 3.834 5.719
U_{min} 4.284 11.040 18.711
{\rm log}_{10}(\gamma_e)\, -2.356 -1.082 -0.355

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.664 -1.554 -0.333
{\rm log}_{10}(\tau_{AGN})\, 1.025 1.588 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.216 -1.782 -0.934
0.03-0.10 Gyr -0.203 0.209 0.675
0.10-0.33 Gyr -3.197 -1.336 -0.424
0.33-1.07 Gyr -4.092 -1.797 -0.938
1.07-3.52 Gyr -4.551 -1.884 -1.024
3.52-11.54 Gyr -4.480 -1.894 -1.085
11.54-12.82 Gyr -4.644 -1.501 -0.330