2025yaj

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Information

Transient

Name: AT2025yaj
Right ascension: 0h36m05.59s
Declination: 24d29m43.37s
Discovery Date: Sept. 20, 2025, 6:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.028

Host

Name:
Right ascension: 0h36m05.31s
Declination: 24d29m44.11s
Redshift: None
Photometric Redshift: 0.076
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.67
Transient MWEBV processed 0.04
Host match processed 5.03
Host information processed 0.11
Host MWEBV processed 0.06
Global aperture construction processed 0.68
Global aperture photometry processed 6.94
Validate global photometry processed 16.3
Global host SED inference processed 454.26
Local aperture photometry processed 6.86
Validate local photometry processed 0.02
Local host SED inference processed 431.33
 

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) = 0h36m05.59s, 24d29m43.37s
semi major axis, semi minor axis (arcsec) = 1.4, 1.4
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 29.04 0.24 20.243 0.009 AB
PanSTARRS_g 25.88 0.31 20.368 0.013 AB
SDSS_r 55.1 2.0 19.547 0.039 AB
PanSTARRS_r 49.34 0.38 19.667 0.008 AB
DES_r 56.47 0.62 19.520 0.012 AB
SDSS_i 80.94 2.49 19.130 0.033 AB
PanSTARRS_i 68.33 0.44 19.314 0.007 AB
PanSTARRS_z 81.01 0.97 19.129 0.013 AB
SDSS_z 98.27 4.29 18.919 0.047 AB
DES_z 96.46 1.58 18.939 0.018 AB
PanSTARRS_y 92.81 2.31 18.981 0.027 AB

Aperture details

RA, DEC (J2000) = 0h36m05.30s, 24d29m44.30s
semi major axis, semi minor axis (arcsec) = 12.52, 10.28
angle (degrees, anti-clockwise from east) = -88.14

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 46.27 1.73 19.737 0.041 AB
GALEX_NUV 67.19 0.98 19.332 0.016 AB
SDSS_u 319.1 8.97 17.640 0.031 AB
SDSS_g 910.27 8.3 16.502 0.010 AB
DES_g 989.65 1.49 16.411 0.002 AB
PanSTARRS_g 938.68 2.47 16.469 0.003 AB
SDSS_r 1827.88 11.94 15.745 0.007 AB
PanSTARRS_r 1823.23 3.03 15.748 0.002 AB
DES_r 2022.69 3.8 15.635 0.002 AB
SDSS_i 2700.07 15.23 15.322 0.006 AB
PanSTARRS_z 3163.92 7.77 15.149 0.003 AB
SDSS_z 3185.95 31.73 15.142 0.011 AB
DES_z 3452.34 9.6 15.055 0.003 AB
PanSTARRS_y 3692.26 18.7 14.982 0.005 AB
WISE_W1 2553.38 33.27 12.683 0.014 Vega
WISE_W2 1620.51 36.74 12.537 0.025 Vega
WISE_W3 4106.76 126.53 9.692 0.033 Vega
WISE_W4 3290.28 775.52 8.487 0.256 Vega
 

Imaging data

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Spectral Energy Distribution

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Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.239 9.355 9.475
{\rm log}_{10}({\rm SFR}) -1.881 -1.227 -0.579
{\rm log}_{10}({\rm sSFR}) -11.257 -10.628 -9.870
{\rm stellar\ age} 5.381 6.937 8.190

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.423 -0.780 -0.294
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.710 -0.286 0.330

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.228 0.590 0.980
\delta -0.517 -0.116 0.234
\tau_1/\tau_2 0.686 1.027 1.356
Q_{PAH} 1.434 3.973 5.944
U_{min} 2.887 7.712 14.380
{\rm log}_{10}(\gamma_e)\, -2.995 -1.910 -0.712

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.579 -0.748 -0.160
{\rm log}_{10}(\tau_{AGN})\, 0.964 1.449 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.041 -1.394 -0.919
0.03-0.10 Gyr -2.051 -1.232 -0.487
0.10-0.33 Gyr -1.902 -1.093 -0.430
0.33-1.07 Gyr -1.715 -0.979 -0.473
1.07-3.51 Gyr -1.242 -0.648 -0.385
3.51-11.48 Gyr -0.872 -0.538 -0.360
11.48-12.76 Gyr -1.124 -0.522 0.000

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.934 10.972 11.060
{\rm log}_{10}({\rm SFR}) 0.194 0.473 0.793
{\rm log}_{10}({\rm sSFR}) -10.798 -10.503 -10.195
{\rm stellar\ age} 7.562 8.489 11.378

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.693 -0.463 -0.328
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.214 0.374 0.461

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.151 0.228 0.366
\delta -0.767 -0.377 0.015
\tau_1/\tau_2 0.540 0.935 1.325
Q_{PAH} 1.320 2.566 4.241
U_{min} 2.228 7.121 14.784
{\rm log}_{10}(\gamma_e)\, -2.876 -1.962 -1.089

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.108 -2.064 -1.581
{\rm log}_{10}(\tau_{AGN})\, 1.090 1.500 1.871

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.493 0.168 0.380
0.03-0.10 Gyr 0.208 0.560 0.929
0.10-0.33 Gyr -0.437 0.279 0.620
0.33-1.07 Gyr -1.485 -0.086 0.282
1.07-3.51 Gyr -1.146 0.044 0.543
3.51-11.48 Gyr 0.368 1.125 1.241
11.48-12.76 Gyr 0.920 1.521 2.152