2025acyd

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Information

Transient

Name: AT2025acyd
Right ascension: 18h45m23.97s
Declination: 53d44m44.65s
Discovery Date: Nov. 9, 2025, 2:27 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name:
Right ascension: 18h45m23.83s
Declination: 53d44m42.32s
Redshift: None
Photometric Redshift: 0.084
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.59
Transient MWEBV processed 0.04
Host match processed 4.57
Host information processed 0.14
Host MWEBV processed 0.03
Global aperture construction processed 0.63
Global aperture photometry processed 3.92
Validate global photometry processed 10.31
Global host SED inference processed 436.66
Local aperture photometry processed 3.84
Validate local photometry processed 0.02
Local host SED inference processed 457.19
 

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) = 18h45m23.97s, 53d44m44.65s
semi major axis, semi minor axis (arcsec) = 1.27, 1.27
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_r 36.54 0.46 19.993 0.014 AB
PanSTARRS_i 48.98 0.38 19.675 0.008 AB
PanSTARRS_z 53.73 1.08 19.575 0.022 AB
PanSTARRS_y 54.78 2.28 19.553 0.045 AB

Aperture details

RA, DEC (J2000) = 18h45m23.81s, 53d44m42.45s
semi major axis, semi minor axis (arcsec) = 7.14, 6.4
angle (degrees, anti-clockwise from east) = -133.76

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 362.04 1.42 17.503 0.004 AB
PanSTARRS_r 514.92 2.41 17.121 0.005 AB
PanSTARRS_i 698.74 2.01 16.789 0.003 AB
PanSTARRS_z 750.38 5.67 16.712 0.008 AB
PanSTARRS_y 829.59 12.0 16.603 0.016 AB
2MASS_J 1111.71 151.95 15.390 0.148 Vega
2MASS_H 1239.07 203.54 14.800 0.178 Vega
2MASS_K 562.98 310.75 15.186 0.599 Vega
WISE_W1 503.63 11.86 14.446 0.026 Vega
WISE_W2 339.77 12.78 14.233 0.041 Vega
WISE_W3 1635.08 36.21 10.692 0.024 Vega
WISE_W4 1519.13 368.01 9.326 0.263 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})\, 8.901 9.162 9.297
{\rm log}_{10}({\rm SFR}) -1.542 -0.819 -0.237
{\rm log}_{10}({\rm sSFR}) -10.774 -9.982 -9.282
{\rm stellar\ age} 3.418 6.366 8.021

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.667 -1.137 -0.381
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.543 -0.794 -0.040

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.228 0.529 0.914
\delta -0.655 -0.255 0.150
\tau_1/\tau_2 0.652 1.010 1.382
Q_{PAH} 1.047 3.046 5.417
U_{min} 3.121 8.416 15.269
{\rm log}_{10}(\gamma_e)\, -2.982 -1.842 -0.745

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -2.772 -0.822 -0.237
{\rm log}_{10}(\tau_{AGN})\, 0.973 1.420 1.933

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.521 -0.982 -0.589
0.03-0.10 Gyr -1.852 -0.830 -0.130
0.10-0.33 Gyr -2.030 -0.875 -0.226
0.33-1.07 Gyr -1.950 -0.917 -0.438
1.07-3.49 Gyr -1.947 -0.903 -0.588
3.49-11.39 Gyr -1.657 -0.808 -0.552
11.39-12.65 Gyr -1.749 -0.817 -0.172

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 10.031 10.165 10.280
{\rm log}_{10}({\rm SFR}) -0.515 0.087 0.565
{\rm log}_{10}({\rm sSFR}) -10.751 -10.076 -9.606
{\rm stellar\ age} 3.538 5.841 7.187

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.176 -0.768 -0.477
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.556 -0.686 0.095

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.148 0.261 0.429
\delta -0.817 -0.444 0.092
\tau_1/\tau_2 0.696 1.107 1.491
Q_{PAH} 0.858 2.178 4.439
U_{min} 2.331 7.087 14.157
{\rm log}_{10}(\gamma_e)\, -3.291 -2.037 -1.074

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.704 -2.348 -1.452
{\rm log}_{10}(\tau_{AGN})\, 1.043 1.517 1.899

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.390 -0.029 0.200
0.03-0.10 Gyr -0.791 0.100 0.687
0.10-0.33 Gyr -0.758 0.318 0.738
0.33-1.07 Gyr -0.215 0.342 0.672
1.07-3.49 Gyr -0.113 0.319 0.588
3.49-11.39 Gyr -0.446 0.177 0.419
11.39-12.65 Gyr -0.846 0.126 0.664