2025twi

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Information

Transient

Name: AT2025twi
Right ascension: 18h31m55.17s
Declination: 31d44m43.41s
Discovery Date: Aug. 14, 2025, 10:03 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.097

Host

Name: 1962079
Right ascension: 18h31m56.81s
Declination: 31d44m28.47s
Redshift: 0.059841
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 5.01
Transient MWEBV processed 0.12
Host match processed 3.89
Host information processed 0.18
Host MWEBV processed 0.05
Global aperture construction processed 0.69
Global aperture photometry processed 5.05
Validate global photometry processed 13.21
Global host SED inference processed 404.03
Local aperture photometry processed 5.09
Validate local photometry processed 0.02
Local host SED inference failed 0.05
 

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) = 18h31m55.17s, 31d44m43.41s
semi major axis, semi minor axis (arcsec) = 1.73, 1.73
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
DES_g 0.04 0.07 27.478 1.963 AB
PanSTARRS_g -0.47 0.3 AB
PanSTARRS_r -0.02 0.51 AB
DES_r 0.23 0.22 25.501 1.023 AB
PanSTARRS_i -1.27 0.54 AB
PanSTARRS_z -0.77 1.23 AB
PanSTARRS_y 7.13 2.88 21.768 0.439 AB

Aperture details

RA, DEC (J2000) = 18h31m56.77s, 31d44m28.83s
semi major axis, semi minor axis (arcsec) = 20.56, 11.23
angle (degrees, anti-clockwise from east) = -126.08

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_NUV 39.03 3.87 19.921 0.108 AB
DES_g 1688.44 2.6 15.831 0.002 AB
PanSTARRS_g 1806.4 2.66 15.758 0.002 AB
PanSTARRS_r 4117.08 4.77 14.864 0.001 AB
DES_r 4324.55 11.35 14.810 0.003 AB
PanSTARRS_i 6392.43 4.85 14.386 0.001 AB
PanSTARRS_z 8316.32 11.45 14.100 0.001 AB
PanSTARRS_y 10375.54 26.02 13.860 0.003 AB
2MASS_J 13862.1 297.86 12.651 0.023 Vega
2MASS_H 18288.54 402.55 11.877 0.024 Vega
2MASS_K 16593.2 552.55 11.512 0.036 Vega
WISE_W1 7763.75 66.09 11.476 0.009 Vega
WISE_W2 4721.01 58.81 11.376 0.014 Vega
WISE_W3 8691.75 156.66 8.878 0.020 Vega
WISE_W4 7843.42 910.69 7.544 0.126 Vega
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

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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})\, 11.251 11.303 11.392
{\rm log}_{10}({\rm SFR}) 0.243 0.703 1.045
{\rm log}_{10}({\rm sSFR}) -11.122 -10.609 -10.261
{\rm stellar\ age} 7.771 9.251 12.001

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.536 -0.362 -0.225
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.357 0.138 0.382

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.310 0.433 0.590
\delta -0.833 -0.618 -0.376
\tau_1/\tau_2 0.593 1.033 1.476
Q_{PAH} 0.653 1.300 2.127
U_{min} 2.784 7.517 14.545
{\rm log}_{10}(\gamma_e)\, -3.156 -2.394 -1.730

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.205 -3.086 -2.219
{\rm log}_{10}(\tau_{AGN})\, 1.101 1.585 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.209 0.353 0.627
0.03-0.10 Gyr 0.183 0.782 1.180
0.10-0.33 Gyr -0.589 0.460 0.922
0.33-1.08 Gyr -1.453 -0.014 0.516
1.08-3.55 Gyr -1.292 0.089 0.749
3.55-11.66 Gyr 0.226 1.374 1.531
11.66-12.96 Gyr 1.328 2.007 2.502