2025agqd

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Information

Transient

Name: AT2025agqd
Right ascension: 21h09m38.38s
Declination: -7d59m08.78s
Discovery Date: Dec. 9, 2025, 5:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.059

Host

Name: SDSSJ210938.82-07591
Right ascension: 21h09m38.88s
Declination: -7d59m10.18s
Redshift: None
Photometric Redshift: 0.082
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.56
Transient MWEBV processed 0.05
Host match processed 4.09
Host information processed 0.05
Host MWEBV processed 0.04
Global aperture construction processed 0.63
Global aperture photometry processed 5.18
Validate global photometry processed 14.35
Global host SED inference processed 1033.67
Local aperture photometry processed 5.08
Validate local photometry processed 0.02
Local host SED inference processed 433.71
 

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) = 21h09m38.38s, -7d59m08.78s
semi major axis, semi minor axis (arcsec) = 1.29, 1.29
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 8.53 0.35 21.573 0.044 AB
SDSS_i 11.26 1.49 21.271 0.144 AB
PanSTARRS_i 14.2 0.32 21.019 0.024 AB
PanSTARRS_z 17.15 0.85 20.815 0.054 AB
SDSS_z 19.46 5.13 20.677 0.286 AB
PanSTARRS_y 26.83 2.45 20.329 0.099 AB

Aperture details

RA, DEC (J2000) = 21h09m38.82s, -7d59m09.69s
semi major axis, semi minor axis (arcsec) = 9.7, 8.5
angle (degrees, anti-clockwise from east) = -37.53

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_g 382.26 6.43 17.444 0.018 AB
PanSTARRS_r 934.53 2.49 16.474 0.003 AB
SDSS_i 1570.67 13.43 15.910 0.009 AB
WISE_W1 841.14 23.31 13.889 0.030 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.697 8.971 9.132
{\rm log}_{10}({\rm SFR}) -1.560 -0.919 -0.277
{\rm log}_{10}({\rm sSFR}) -10.594 -9.924 -9.030
{\rm stellar\ age} 2.097 6.533 8.431

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.233 -0.464 -0.010
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.246 -0.461 0.212

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.974 1.521 2.039
\delta -0.073 0.102 0.276
\tau_1/\tau_2 0.671 1.037 1.398
Q_{PAH} 0.668 2.347 4.763
U_{min} 3.181 8.258 15.717
{\rm log}_{10}(\gamma_e)\, -2.968 -1.798 -0.702

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.913 -0.713 0.113
{\rm log}_{10}(\tau_{AGN})\, 1.092 1.549 1.910

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.678 -0.959 -0.431
0.03-0.10 Gyr -1.889 -1.015 -0.250
0.10-0.33 Gyr -2.247 -1.208 -0.471
0.33-1.07 Gyr -2.699 -1.325 -0.710
1.07-3.49 Gyr -2.954 -1.209 -0.812
3.49-11.40 Gyr -2.693 -1.016 -0.726
11.40-12.67 Gyr -2.487 -0.994 -0.271

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.124 9.867 10.409
{\rm log}_{10}({\rm SFR}) 0.642 1.007 1.264
{\rm log}_{10}({\rm sSFR}) -9.698 -8.733 -7.977
{\rm stellar\ age} 0.099 5.111 9.223

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.780 -1.391 -0.951
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -0.572 -0.298 0.000

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.602 0.817 1.027
\delta -0.795 -0.576 -0.261
\tau_1/\tau_2 0.367 0.879 1.457
Q_{PAH} 0.282 0.837 1.645
U_{min} 2.916 8.714 16.275
{\rm log}_{10}(\gamma_e)\, -3.471 -2.466 -1.518

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.657 -3.822 -1.857
{\rm log}_{10}(\tau_{AGN})\, 1.099 1.558 1.926

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr 1.114 1.447 1.664
0.03-0.10 Gyr -2.379 -0.326 0.879
0.10-0.33 Gyr -3.670 -0.827 0.302
0.33-1.07 Gyr -4.689 -1.184 0.026
1.07-3.49 Gyr -5.052 -1.103 0.103
3.49-11.40 Gyr -4.934 -0.792 0.332
11.40-12.67 Gyr -5.098 -0.498 1.074