2025ywv

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Information

Transient

Name: AT2025ywv
Right ascension: 2h49m33.89s
Declination: -0d35m19.16s
Discovery Date: Sept. 27, 2025, 11:43 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 1139667
Right ascension: 2h49m33.95s
Declination: -0d35m19.11s
Redshift: 0.043852
Photometric Redshift:
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 17.86
Transient MWEBV processed 0.06
Host match processed 3.89
Host information processed 0.04
Host MWEBV processed 0.04
Global aperture construction processed 0.67
Global aperture photometry processed 5.82
Validate global photometry processed 15.21
Global host SED inference processed 534.12
Local aperture photometry processed 5.71
Validate local photometry processed 0.03
Local host SED inference processed 589.93
 

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) = 2h49m33.89s, -0d35m19.16s
semi major axis, semi minor axis (arcsec) = 2.32, 2.32
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
SDSS_u 78.29 2.95 19.166 0.041 AB
SDSS_g 495.95 5.81 17.161 0.013 AB
PanSTARRS_g 553.01 0.74 17.043 0.001 AB
SDSS_r 1050.74 8.49 16.346 0.009 AB
PanSTARRS_r 1196.45 0.95 16.205 0.001 AB
DES_r 1244.97 4.29 16.162 0.004 AB
SDSS_i 1552.23 10.4 15.923 0.007 AB
PanSTARRS_i 1739.68 1.05 15.799 0.001 AB
PanSTARRS_z 2159.2 2.31 15.564 0.001 AB
SDSS_z 2126.18 13.99 15.581 0.007 AB
DES_z 2467.47 5.16 15.419 0.002 AB
PanSTARRS_y 2668.28 3.87 15.334 0.002 AB

Aperture details

RA, DEC (J2000) = 2h49m33.90s, -0d35m18.48s
semi major axis, semi minor axis (arcsec) = 11.24, 8.28
angle (degrees, anti-clockwise from east) = -10.82

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 2.22 0.6 23.033 0.294 AB
GALEX_NUV 8.54 0.54 21.571 0.069 AB
SDSS_u 240.81 8.98 17.946 0.040 AB
SDSS_g 1186.84 9.33 16.214 0.009 AB
PanSTARRS_g 1316.13 2.35 16.102 0.002 AB
PanSTARRS_r 2710.95 2.89 15.317 0.001 AB
DES_r 2820.34 6.5 15.274 0.003 AB
SDSS_i 3850.71 17.94 14.936 0.005 AB
PanSTARRS_i 3870.88 3.21 14.930 0.001 AB
PanSTARRS_z 4845.03 8.5 14.687 0.002 AB
SDSS_z 5059.25 35.39 14.640 0.008 AB
DES_z 5185.96 7.71 14.613 0.002 AB
PanSTARRS_y 6194.59 15.49 14.420 0.003 AB
2MASS_J 7426.16 241.61 13.328 0.035 Vega
2MASS_H 8376.4 395.89 12.725 0.051 Vega
2MASS_K 7034.49 462.92 12.444 0.071 Vega
WISE_W1 3319.93 27.06 12.398 0.009 Vega
WISE_W2 1788.29 33.16 12.430 0.020 Vega
WISE_W3 310.32 116.47 12.496 0.407 Vega
WISE_W4 623.09 423.6 10.294 0.738 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})\, 10.092 10.279 10.398
{\rm log}_{10}({\rm SFR}) -0.990 -0.109 0.408
{\rm log}_{10}({\rm sSFR}) -11.342 -10.439 -9.763
{\rm stellar\ age} 4.007 7.191 9.081

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.213 -0.723 -0.275
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.277 -0.289 0.067

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.472 0.785 1.179
\delta -0.889 -0.691 -0.484
\tau_1/\tau_2 0.575 0.928 1.296
Q_{PAH} 0.584 2.446 4.853
U_{min} 2.711 7.410 14.279
{\rm log}_{10}(\gamma_e)\, -3.445 -1.882 -0.843

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.230 -1.837 -0.482
{\rm log}_{10}(\tau_{AGN})\, 0.858 1.611 1.952

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.682 0.065 0.472
0.03-0.10 Gyr -1.841 -0.374 0.374
0.10-0.33 Gyr -1.699 -0.281 0.547
0.33-1.09 Gyr -1.228 -0.074 0.506
1.09-3.59 Gyr -0.905 0.172 0.523
3.59-11.85 Gyr -0.524 0.308 0.540
11.85-13.17 Gyr -0.502 0.404 1.090

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.691 10.809 10.850
{\rm log}_{10}({\rm SFR}) -3.456 -1.909 -1.146
{\rm log}_{10}({\rm sSFR}) -14.371 -12.721 -11.894
{\rm stellar\ age} 7.994 12.062 12.502

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.946 -0.740 -0.603
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.175 -0.270 0.224

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.191 0.279 0.420
\delta -0.890 -0.682 -0.447
\tau_1/\tau_2 0.546 0.978 1.414
Q_{PAH} 1.118 3.296 5.419
U_{min} 3.302 9.717 17.634
{\rm log}_{10}(\gamma_e)\, -2.175 -1.157 -0.317

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.575 -3.765 -2.771
{\rm log}_{10}(\tau_{AGN})\, 1.199 1.727 2.023

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -4.821 -2.190 -1.252
0.03-0.10 Gyr -4.528 -2.101 -1.116
0.10-0.33 Gyr -4.666 -2.138 -1.006
0.33-1.09 Gyr -4.729 -2.133 -0.776
1.09-3.59 Gyr -3.944 -1.779 -0.193
3.59-11.85 Gyr -2.018 0.030 0.954
11.85-13.17 Gyr 0.742 1.915 1.983