2025afii

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Information

Transient

Name: AT2025afii
Right ascension: 9h21m58.90s
Declination: 39d35m19.55s
Discovery Date: Nov. 30, 2025, 2:17 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.012

Host

Name: SDSSJ092158.87+39351
Right ascension: 9h21m58.80s
Declination: 39d35m19.39s
Redshift: None
Photometric Redshift: 0.102
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.49
Transient MWEBV processed 0.04
Host match processed 3.95
Host information processed 0.05
Host MWEBV processed 0.04
Global aperture construction processed 0.61
Global aperture photometry processed 6.12
Validate global photometry processed 16.16
Global host SED inference processed 730.63
Local aperture photometry processed 5.98
Validate local photometry processed 0.02
Local host SED inference processed 850.43
 

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) = 9h21m58.90s, 39d35m19.55s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_z 156.66 2.14 18.413 0.015 AB
PanSTARRS_y 177.46 1.82 18.277 0.011 AB

Aperture details

RA, DEC (J2000) = 9h21m58.86s, 39d35m19.55s
semi major axis, semi minor axis (arcsec) = 5.76, 4.04
angle (degrees, anti-clockwise from east) = -22.27

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 3.43 2.05 22.562 0.650 AB
SDSS_u 39.58 3.59 19.906 0.099 AB
SDSS_g 126.14 3.22 18.648 0.028 AB
DES_g 124.82 0.83 18.659 0.007 AB
PanSTARRS_g 130.32 0.97 18.612 0.008 AB
SDSS_r 278.73 4.81 17.787 0.019 AB
PanSTARRS_r 276.01 1.13 17.798 0.004 AB
SDSS_i 398.54 6.05 17.399 0.016 AB
PanSTARRS_i 397.1 1.34 17.403 0.004 AB
PanSTARRS_z 507.41 2.85 17.137 0.006 AB
SDSS_z 546.21 13.49 17.057 0.027 AB
DES_z 511.84 3.99 17.127 0.008 AB
PanSTARRS_y 592.85 8.08 16.968 0.015 AB
2MASS_J 799.48 120.07 15.748 0.163 Vega
2MASS_H 780.58 174.55 15.301 0.243 Vega
2MASS_K 693.08 202.2 14.960 0.317 Vega
WISE_W1 289.31 12.91 15.048 0.048 Vega
WISE_W2 157.77 14.25 15.066 0.098 Vega
WISE_W3 34.97 68.95 14.867 2.141 Vega
WISE_W4 -6.65 302.95 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})\, 9.519 9.793 10.056
{\rm log}_{10}({\rm SFR}) -0.548 0.049 0.671
{\rm log}_{10}({\rm sSFR}) -10.436 -9.769 -8.976
{\rm stellar\ age} 2.853 6.498 9.132

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.943 -0.231 0.108
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.019 -0.476 0.105

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.463 0.854 1.331
\delta -0.685 -0.373 0.034
\tau_1/\tau_2 0.461 0.916 1.444
Q_{PAH} 0.455 1.515 4.751
U_{min} 3.138 8.391 15.491
{\rm log}_{10}(\gamma_e)\, -3.219 -1.763 -0.586

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.228 -0.857 0.005
{\rm log}_{10}(\tau_{AGN})\, 1.087 1.547 1.984

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.405 0.212 0.625
0.03-0.10 Gyr -1.506 -0.204 0.685
0.10-0.33 Gyr -2.141 -0.627 0.192
0.33-1.06 Gyr -2.609 -0.604 0.194
1.06-3.44 Gyr -2.465 -0.486 0.027
3.44-11.18 Gyr -1.633 -0.233 0.146
11.18-12.42 Gyr -1.423 -0.122 0.812

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.443 10.561 10.624
{\rm log}_{10}({\rm SFR}) -2.664 -0.553 0.525
{\rm log}_{10}({\rm sSFR}) -13.270 -11.076 -9.968
{\rm stellar\ age} 7.606 11.540 11.794

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.607 -1.205 -0.850
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.089 -0.090 0.309

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.276 0.435 0.635
\delta -0.873 -0.651 -0.376
\tau_1/\tau_2 0.425 0.943 1.447
Q_{PAH} 0.562 1.842 4.264
U_{min} 3.738 10.031 17.888
{\rm log}_{10}(\gamma_e)\, -2.759 -1.562 -0.589

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.290 -3.053 -2.002
{\rm log}_{10}(\tau_{AGN})\, 1.114 1.621 1.957

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.346 -1.728 -0.539
0.03-0.10 Gyr -3.098 -0.478 0.680
0.10-0.33 Gyr -4.789 -2.334 -0.465
0.33-1.06 Gyr -6.770 -3.754 -1.044
1.06-3.44 Gyr -4.745 -2.573 -0.624
3.44-11.18 Gyr -2.387 -0.559 0.698
11.18-12.42 Gyr 0.641 1.703 1.779