2025yd

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Information

Transient

Name: AT2025yd
Right ascension: 18h03m51.85s
Declination: 42d56m43.00s
Discovery Date: Jan. 20, 2025, 11:38 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.024

Host

Name: 2025yd
Right ascension: 18h03m46.63s
Declination: 42d57m27.43s
Redshift: None
Photometric Redshift: 0.109
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 11.43
Cutout download processed 12.44
Global aperture construction processed 0.65
Local aperture photometry processed 4.55
Global aperture photometry processed 4.71
Validate local photometry no valid phot 0.02
Validate global photometry processed 13.59
Host information processed 0.08
Global host SED inference processed 403.22
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.1
Log transient processing status blocked 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) = 18h03m51.85s, 42d56m43.00s
semi major axis, semi minor axis (arcsec) = 1.01, 1.01
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 18h03m46.62s, 42d57m27.38s
semi major axis, semi minor axis (arcsec) = 11.15, 9.05
angle (degrees, anti-clockwise from east) = -102.05

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error
SDSS_u 84.44 7.69 19.084 0.099
SDSS_g 315.35 5.21 17.653 0.018
PanSTARRS_g 350.8 2.51 17.537 0.008
SDSS_r 548.94 7.26 17.051 0.014
PanSTARRS_r 555.72 2.66 17.038 0.005
SDSS_i 723.7 10.11 16.751 0.015
PanSTARRS_i 749.91 1.67 16.712 0.002
PanSTARRS_z 854.86 7.53 16.570 0.010
SDSS_z 1054.5 29.3 16.342 0.030
PanSTARRS_y 971.33 14.84 16.432 0.017
2MASS_J 1683.18 263.08 14.940 0.170
2MASS_H 1425.46 424.43 14.648 0.323
2MASS_K 1556.49 466.54 14.082 0.325
WISE_W1 704.4 18.34 14.081 0.028
WISE_W2 473.22 23.29 13.873 0.053
WISE_W3 1276.96 92.39 10.961 0.079
WISE_W4 1475.61 508.06 9.358 0.374
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.425 10.510 10.613
{\rm log}_{10}({\rm SFR}) -0.203 0.368 0.717
{\rm log}_{10}({\rm sSFR}) -10.694 -10.145 -9.795
{\rm stellar\ age} 3.959 5.599 6.914

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.443 -0.225 -0.081
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.624 -0.548 0.201

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.105 0.250 0.403
\delta -0.790 -0.391 0.167
\tau_1/\tau_2 0.691 1.025 1.351
Q_{PAH} 0.436 1.385 3.985
U_{min} 2.568 7.268 14.466
{\rm log}_{10}(\gamma_e)\, -2.424 -1.442 -0.469

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.087 -2.840 -1.590
{\rm log}_{10}(\tau_{AGN})\, 1.128 1.639 1.983

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.076 0.227 0.430
0.03-0.10 Gyr -0.362 0.398 0.821
0.10-0.32 Gyr -0.171 0.700 1.046
0.32-1.05 Gyr 0.460 0.767 0.994
1.05-3.42 Gyr 0.433 0.715 0.974
3.42-11.11 Gyr 0.156 0.542 0.749
11.11-12.34 Gyr -0.224 0.508 0.994