2025ahbm

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Information

Transient

Name: AT2025ahbm
Right ascension: 4h36m00.24s
Declination: -30d21m38.88s
Discovery Date: Dec. 15, 2025, 9:49 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name: 718179
Right ascension: 4h35m59.76s
Declination: -30d21m34.26s
Redshift: 0.102391
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 6.01
Transient MWEBV processed 0.04
Host match processed 3.99
Host information processed 0.39
Host MWEBV processed 0.06
Global aperture construction processed 0.65
Global aperture photometry processed 5.1
Validate global photometry processed 11.49
Global host SED inference processed 467.53
Local aperture photometry processed 5.32
Validate local photometry processed 0.02
Local host SED inference processed 612.18
 

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) = 4h36m00.24s, -30d21m38.88s
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 53.14 1.01 19.587 0.021 AB
PanSTARRS_y 56.52 3.9 19.520 0.075 AB

Aperture details

RA, DEC (J2000) = 4h35m59.72s, -30d21m34.25s
semi major axis, semi minor axis (arcsec) = 8.63, 5.09
angle (degrees, anti-clockwise from east) = -48.7

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 452.54 1.0 17.261 0.002 AB
PanSTARRS_r 982.43 5.46 16.419 0.006 AB
DES_r 1120.8 1.65 16.276 0.002 AB
PanSTARRS_i 1484.76 7.78 15.971 0.006 AB
PanSTARRS_z 1942.41 13.21 15.679 0.007 AB
DES_z 2202.07 6.5 15.543 0.003 AB
PanSTARRS_y 2440.41 23.94 15.431 0.011 AB
2MASS_J 3257.66 155.1 14.223 0.052 Vega
2MASS_H 3871.73 233.26 13.563 0.065 Vega
2MASS_K 3857.57 305.62 13.096 0.086 Vega
WISE_W1 1757.42 25.48 13.089 0.016 Vega
WISE_W2 1112.32 28.8 12.945 0.028 Vega
WISE_W3 1244.35 66.2 10.989 0.058 Vega
WISE_W4 996.61 412.28 9.784 0.449 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})\, 8.720 9.203 9.448
{\rm log}_{10}({\rm SFR}) -0.814 -0.259 0.275
{\rm log}_{10}({\rm sSFR}) -10.146 -9.459 -8.528
{\rm stellar\ age} 0.734 5.504 7.643

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.306 -0.282 0.064
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.279 -0.677 0.024

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.417 0.831 1.297
\delta -0.641 -0.242 0.196
\tau_1/\tau_2 0.455 0.883 1.352
Q_{PAH} 0.870 2.917 5.307
U_{min} 3.307 8.642 16.094
{\rm log}_{10}(\gamma_e)\, -3.114 -1.997 -0.659

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.484 -1.217 -0.228
{\rm log}_{10}(\tau_{AGN})\, 1.019 1.525 1.980

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.595 -0.083 0.387
0.03-0.10 Gyr -1.833 -0.628 0.235
0.10-0.33 Gyr -2.160 -0.912 -0.093
0.33-1.06 Gyr -2.682 -0.917 -0.250
1.06-3.44 Gyr -3.108 -1.018 -0.493
3.44-11.18 Gyr -3.238 -0.931 -0.431
11.18-12.42 Gyr -3.241 -0.961 -0.105

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.035 11.098 11.202
{\rm log}_{10}({\rm SFR}) -2.442 -1.145 -0.011
{\rm log}_{10}({\rm sSFR}) -13.604 -12.277 -11.173
{\rm stellar\ age} 7.152 7.912 11.442

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.387 -0.249 -0.147
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.577 -0.768 0.117

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.122 0.233 0.354
\delta -0.917 -0.654 -0.211
\tau_1/\tau_2 0.568 0.913 1.264
Q_{PAH} 0.907 2.890 5.367
U_{min} 2.172 7.170 14.606
{\rm log}_{10}(\gamma_e)\, -2.981 -1.745 -0.836

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.336 -3.299 -2.294
{\rm log}_{10}(\tau_{AGN})\, 1.054 1.535 1.924

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.673 -1.205 -0.318
0.03-0.10 Gyr -3.146 -1.241 0.052
0.10-0.33 Gyr -3.002 -1.079 0.317
0.33-1.06 Gyr -2.564 -0.788 0.387
1.06-3.44 Gyr -1.715 0.157 0.943
3.44-11.18 Gyr 0.205 1.251 1.389
11.18-12.42 Gyr 0.761 1.503 2.326