2025yya

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Information

Transient

Name: AT2025yya
Right ascension: 18h50m58.33s
Declination: 73d11m42.30s
Discovery Date: Sept. 28, 2025, 3:15 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.065

Host

Name:
Right ascension: 18h50m55.83s
Declination: 73d11m37.57s
Redshift: None
Photometric Redshift: 0.042
 

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 4.81
Cutout download processed 4.37
Global aperture construction processed 0.64
Local aperture photometry processed 3.95
Global aperture photometry processed 4.1
Validate local photometry processed 0.02
Validate global photometry processed 11.13
Host information processed 0.12
Global host SED inference processed 452.02
Local host SED inference processed 421.01
Transient information processed 0.0
Transient MWEBV processed 0.09
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) = 18h50m58.33s, 73d11m42.30s
semi major axis, semi minor axis (arcsec) = 2.4, 2.4
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 27.31 0.81 20.309 0.032 AB
PanSTARRS_r 53.22 1.0 19.585 0.020 AB
PanSTARRS_i 71.18 0.72 19.269 0.011 AB
PanSTARRS_z 88.7 2.14 19.030 0.026 AB
PanSTARRS_y 119.28 6.1 18.709 0.056 AB

Aperture details

RA, DEC (J2000) = 18h50m55.77s, 73d11m37.81s
semi major axis, semi minor axis (arcsec) = 20.36, 10.62
angle (degrees, anti-clockwise from east) = -139.84

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 57.88 4.1 19.494 0.077 AB
PanSTARRS_g 1512.33 4.96 15.951 0.004 AB
PanSTARRS_r 3095.2 6.19 15.173 0.002 AB
PanSTARRS_i 4566.84 4.42 14.751 0.001 AB
PanSTARRS_y 7374.16 37.22 14.231 0.005 AB
2MASS_J 9076.74 344.29 13.110 0.041 Vega
2MASS_K 9074.41 625.08 12.168 0.075 Vega
WISE_W1 4460.7 28.75 12.077 0.007 Vega
WISE_W2 2579.43 30.23 12.032 0.013 Vega
WISE_W3 3641.08 104.94 9.823 0.031 Vega
WISE_W4 2598.14 492.61 8.743 0.206 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})\, 8.701 8.876 9.010
{\rm log}_{10}({\rm SFR}) -1.712 -1.116 -0.554
{\rm log}_{10}({\rm sSFR}) -10.649 -10.018 -9.279
{\rm stellar\ age} 3.850 6.574 8.194

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.442 -0.688 -0.159
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.267 0.100 0.347

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.499 0.954 1.397
\delta -0.404 -0.140 0.095
\tau_1/\tau_2 0.685 1.012 1.375
Q_{PAH} 0.685 2.239 4.582
U_{min} 2.842 7.798 14.506
{\rm log}_{10}(\gamma_e)\, -3.089 -2.018 -0.921

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.694 -1.599 -0.581
{\rm log}_{10}(\tau_{AGN})\, 0.999 1.430 1.891

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.677 -1.032 -0.604
0.03-0.10 Gyr -1.964 -1.219 -0.527
0.10-0.33 Gyr -1.959 -1.218 -0.631
0.33-1.09 Gyr -1.977 -1.185 -0.714
1.09-3.60 Gyr -1.823 -1.118 -0.842
3.60-11.87 Gyr -1.764 -1.102 -0.845
11.87-13.19 Gyr -1.889 -1.117 -0.510

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.666 10.732 10.829
{\rm log}_{10}({\rm SFR}) -0.210 0.277 0.667
{\rm log}_{10}({\rm sSFR}) -11.029 -10.466 -10.038
{\rm stellar\ age} 7.517 8.607 11.864

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.539 -0.374 -0.267
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.737 0.088 0.361

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.254 0.362 0.506
\delta -0.909 -0.715 -0.381
\tau_1/\tau_2 0.553 0.946 1.353
Q_{PAH} 0.145 0.507 1.222
U_{min} 2.248 6.723 13.395
{\rm log}_{10}(\gamma_e)\, -3.526 -2.895 -2.059

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.546 -3.889 -3.023
{\rm log}_{10}(\tau_{AGN})\, 1.072 1.591 1.939

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.628 -0.011 0.278
0.03-0.10 Gyr -0.397 0.338 0.797
0.10-0.33 Gyr -0.754 0.137 0.571
0.33-1.09 Gyr -1.214 -0.199 0.285
1.09-3.60 Gyr -1.054 -0.038 0.535
3.60-11.87 Gyr 0.051 0.816 0.965
11.87-13.19 Gyr 0.599 1.253 1.901