2025alpn

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Information

Transient

Name: AT2025alpn
Right ascension: 11h33m07.13s
Declination: 44d50m00.27s
Discovery Date: Nov. 15, 2025, 1:53 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.019

Host

Name:
Right ascension: 11h33m07.07s
Declination: 44d49m59.30s
Redshift: None
Photometric Redshift: 0.119
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 16.5
Transient MWEBV processed 0.08
Host match processed 6.85
Host information processed 0.11
Host MWEBV processed 0.09
Global aperture construction processed 0.64
Global aperture photometry processed 4.58
Validate global photometry processed 15.22
Global host SED inference processed 412.63
Local aperture photometry processed 4.44
Validate local photometry no valid phot 0.02
Local host SED inference not processed None
 

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) = 11h33m07.13s, 44d50m00.27s
semi major axis, semi minor axis (arcsec) = 0.93, 0.93
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys

Data not available


Aperture details

RA, DEC (J2000) = 11h33m07.06s, 44d49m59.39s
semi major axis, semi minor axis (arcsec) = 4.0, 3.21
angle (degrees, anti-clockwise from east) = -17.29

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.91 0.17 22.739 0.064 AB
GALEX_NUV 5.03 0.16 22.145 0.034 AB
SDSS_u 9.83 2.01 21.419 0.222 AB
SDSS_g 31.41 1.68 20.157 0.058 AB
PanSTARRS_g 32.51 0.84 20.120 0.028 AB
SDSS_r 40.21 2.19 19.889 0.059 AB
PanSTARRS_r 47.08 0.97 19.718 0.022 AB
SDSS_i 60.36 3.31 19.448 0.060 AB
PanSTARRS_i 59.96 1.21 19.455 0.022 AB
PanSTARRS_z 63.8 2.86 19.388 0.049 AB
SDSS_z 100.13 9.5 18.899 0.103 AB
PanSTARRS_y 78.06 5.9 19.169 0.082 AB
2MASS_J 235.63 100.02 17.075 0.461 Vega
2MASS_H 175.08 155.79 16.924 0.966 Vega
2MASS_K -105.13 176.55 Vega
WISE_W1 28.57 6.25 17.561 0.238 Vega
WISE_W2 19.38 9.46 17.342 0.530 Vega
WISE_W3 40.95 47.43 14.695 1.258 Vega
WISE_W4 553.96 394.35 10.421 0.773 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Data not available


Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.209 9.377 9.493
{\rm log}_{10}({\rm SFR}) -0.646 -0.173 0.261
{\rm log}_{10}({\rm sSFR}) -10.067 -9.564 -9.041
{\rm stellar\ age} 2.836 5.007 6.308

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.073 -0.364 -0.066
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.548 -0.200 0.267

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.190 0.377 0.659
\delta -0.643 -0.273 0.010
\tau_1/\tau_2 0.680 1.079 1.419
Q_{PAH} 0.748 2.193 4.182
U_{min} 2.828 8.292 15.556
{\rm log}_{10}(\gamma_e)\, -2.567 -1.514 -0.619

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.552 -1.713 -0.816
{\rm log}_{10}(\tau_{AGN})\, 1.150 1.534 1.898

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.163 -0.599 -0.345
0.03-0.10 Gyr -0.635 -0.075 0.403
0.10-0.32 Gyr -0.286 0.064 0.390
0.32-1.05 Gyr -0.780 -0.292 0.024
1.05-3.40 Gyr -1.132 -0.552 -0.299
3.40-11.00 Gyr -1.318 -0.667 -0.424
11.00-12.22 Gyr -1.505 -0.687 -0.186