2025abnb

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Information

Transient

Name: AT2025abnb
Right ascension: 20h27m37.56s
Declination: -17d29m02.60s
Discovery Date: Oct. 18, 2025, 9:42 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.051

Host

Name: 187410
Right ascension: 20h27m37.70s
Declination: -17d29m00.41s
Redshift: 0.024668
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.2
Transient MWEBV processed 0.04
Host match processed 4.81
Host information processed 0.13
Host MWEBV processed 0.03
Global aperture construction processed 0.71
Global aperture photometry processed 4.15
Validate global photometry processed 10.35
Global host SED inference processed 618.8
Local aperture photometry processed 3.93
Validate local photometry processed 0.01
Local host SED inference processed 450.35
 

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) = 20h27m37.56s, -17d29m02.60s
semi major axis, semi minor axis (arcsec) = 4.02, 4.02
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 856.12 1.05 16.569 0.001 AB
PanSTARRS_r 1635.23 1.34 15.866 0.001 AB
PanSTARRS_i 2207.62 0.99 15.540 0.000 AB
PanSTARRS_z 2770.44 2.97 15.294 0.001 AB
PanSTARRS_y 3374.43 7.71 15.079 0.002 AB
2MASS_J 3844.88 98.66 14.043 0.028 Vega
2MASS_H 4674.05 167.22 13.358 0.039 Vega
2MASS_K 3775.62 172.88 13.120 0.050 Vega

Aperture details

RA, DEC (J2000) = 20h27m37.73s, -17d29m00.47s
semi major axis, semi minor axis (arcsec) = 15.49, 7.9
angle (degrees, anti-clockwise from east) = -58.04

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 2058.89 2.58 15.616 0.001 AB
PanSTARRS_i 5023.13 2.5 14.648 0.001 AB
PanSTARRS_z 6310.45 7.68 14.400 0.001 AB
PanSTARRS_y 7627.39 20.99 14.194 0.003 AB
WISE_W1 4030.17 44.92 12.188 0.012 Vega
WISE_W3 2991.13 142.36 10.036 0.052 Vega
WISE_W4 3757.52 868.97 8.343 0.251 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})\, 9.672 9.807 9.927
{\rm log}_{10}({\rm SFR}) -1.027 -0.339 0.275
{\rm log}_{10}({\rm sSFR}) -10.899 -10.154 -9.462
{\rm stellar\ age} 4.260 6.682 8.361

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.998 -0.539 -0.272
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.762 -1.004 0.132

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.453 0.731 1.054
\delta -0.789 -0.560 -0.233
\tau_1/\tau_2 0.633 0.980 1.321
Q_{PAH} 0.303 1.395 3.888
U_{min} 2.449 7.599 14.559
{\rm log}_{10}(\gamma_e)\, -3.547 -2.573 -1.206

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.292 -2.513 -1.096
{\rm log}_{10}(\tau_{AGN})\, 0.900 1.356 1.827

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.856 -0.366 0.003
0.03-0.10 Gyr -1.375 -0.384 0.362
0.10-0.33 Gyr -1.196 -0.274 0.255
0.33-1.10 Gyr -0.796 -0.195 0.243
1.10-3.64 Gyr -0.589 -0.133 0.136
3.64-12.08 Gyr -0.756 -0.188 0.024
12.08-13.43 Gyr -0.862 -0.125 0.454

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.237 10.298 10.401
{\rm log}_{10}({\rm SFR}) -2.462 -1.394 -0.518
{\rm log}_{10}({\rm sSFR}) -12.678 -11.681 -10.806
{\rm stellar\ age} 7.864 9.036 12.498

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.770 -0.606 -0.465
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.212 -0.358 0.269

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.068 0.160 0.299
\delta -0.899 -0.564 0.008
\tau_1/\tau_2 0.588 0.985 1.410
Q_{PAH} 0.304 1.350 4.153
U_{min} 2.671 7.878 15.480
{\rm log}_{10}(\gamma_e)\, -3.167 -2.031 -0.815

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.992 -2.329 -1.681
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.414 1.846

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.984 -1.459 -0.580
0.03-0.10 Gyr -3.327 -1.537 -0.485
0.10-0.33 Gyr -3.676 -1.659 -0.589
0.33-1.10 Gyr -3.601 -1.561 -0.683
1.10-3.64 Gyr -2.791 -0.953 -0.083
3.64-12.08 Gyr -0.814 0.392 0.543
12.08-13.43 Gyr 0.082 0.848 1.508