2025yyq

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Information

Transient

Name: AT2025yyq
Right ascension: 8h55m48.99s
Declination: 59d08m11.98s
Discovery Date: Sept. 28, 2025, 5:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name:
Right ascension: 8h55m48.94s
Declination: 59d08m11.89s
Redshift: 0.087015
Photometric Redshift:
 

Processing Status

Cutout download
 Cutout download
processed
 status
Transient information
Transient information
processed
 status
Transient MWEBV
Transient MWEBV
processed
 status
Host match
 Host match
processed
 status
Host information
Host information
processed
 status
Local aperture photometry
 Local aperture photometry
processed
 status
Validate local photometry
 Validate local photometry
processed
 status
Local host SED inference
Local host SED inference
processed
 status
Host MWEBV
Host MWEBV
processed
 status
Global host SED inference
Global host SED inference
processed
 status
Validate global photometry
Validate global photometr...
processed
 status
Global aperture construction
 Global aperture construct...
processed
 status
Global aperture photometry
 Global aperture photometr...
processed
 status
Task Name Status Time taken (s) Warning Flag
Host match processed 5.42
Cutout download processed 16.37
Global aperture construction processed 0.64
Local aperture photometry processed 5.12
Global aperture photometry processed 5.2
Validate local photometry processed 0.02
Validate global photometry processed 14.89
Host information processed 0.05
Global host SED inference processed 456.45
Local host SED inference processed 460.03
Transient information processed 0.0
Transient MWEBV processed 0.1
Host MWEBV processed 0.04
Processing status completed N/A N/A
 

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) = 8h55m48.99s, 59d08m11.98s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
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 113.09 0.48 18.766 0.005 AB
PanSTARRS_i 169.95 0.33 18.324 0.002 AB
PanSTARRS_z 196.25 1.03 18.168 0.006 AB
PanSTARRS_y 203.22 2.11 18.130 0.011 AB

Aperture details

RA, DEC (J2000) = 8h55m48.92s, 59d08m12.14s
semi major axis, semi minor axis (arcsec) = 5.37, 4.08
angle (degrees, anti-clockwise from east) = -43.34

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 29.5 1.21 20.225 0.044 AB
GALEX_NUV 46.51 0.9 19.731 0.021 AB
SDSS_u 113.09 4.92 18.766 0.047 AB
SDSS_g 239.68 4.2 17.951 0.019 AB
PanSTARRS_g 241.06 0.97 17.945 0.004 AB
SDSS_r 345.77 5.41 17.553 0.017 AB
PanSTARRS_r 347.51 1.6 17.548 0.005 AB
SDSS_i 485.17 7.0 17.185 0.016 AB
PanSTARRS_i 473.36 1.12 17.212 0.003 AB
PanSTARRS_z 499.79 3.74 17.153 0.008 AB
SDSS_z 513.74 15.51 17.123 0.033 AB
PanSTARRS_y 574.77 7.86 17.001 0.015 AB
2MASS_J 722.16 113.76 15.859 0.171 Vega
2MASS_H 731.36 186.35 15.372 0.277 Vega
2MASS_K 794.11 174.81 14.812 0.239 Vega
WISE_W1 335.86 12.1 14.886 0.039 Vega
WISE_W2 245.4 14.97 14.586 0.066 Vega
WISE_W3 1183.17 53.94 11.043 0.049 Vega
WISE_W4 950.64 375.64 9.835 0.429 Vega
 

Imaging data

 

Spectral Energy Distribution

 
 
 
 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.668 9.831 9.995
{\rm log}_{10}({\rm SFR}) -0.933 -0.428 0.072
{\rm log}_{10}({\rm sSFR}) -10.804 -10.237 -9.686
{\rm stellar\ age} 4.961 7.149 9.942

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.673 -1.142 -0.656
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.636 -0.907 0.105

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.339 0.610 0.876
\delta -0.734 -0.349 -0.046
\tau_1/\tau_2 0.579 0.958 1.388
Q_{PAH} 0.727 2.817 5.217
U_{min} 2.972 8.070 14.681
{\rm log}_{10}(\gamma_e)\, -3.148 -1.754 -0.580

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.809 -1.770 -0.570
{\rm log}_{10}(\tau_{AGN})\, 0.985 1.468 1.958

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.762 -0.402 -0.123
0.03-0.10 Gyr -1.334 -0.480 0.163
0.10-0.33 Gyr -1.668 -0.572 0.027
0.33-1.07 Gyr -1.838 -0.501 0.068
1.07-3.48 Gyr -1.589 -0.336 0.037
3.48-11.35 Gyr -0.761 -0.138 0.118
11.35-12.61 Gyr -0.697 0.030 0.886

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.813 9.940 10.037
{\rm log}_{10}({\rm SFR}) 0.617 0.808 1.025
{\rm log}_{10}({\rm sSFR}) -9.376 -9.138 -8.831
{\rm stellar\ age} 5.176 6.534 7.782

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.611 -0.375 -0.207
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, 0.169 0.318 0.433

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.135 0.208 0.372
\delta -0.897 -0.659 -0.355
\tau_1/\tau_2 0.733 1.098 1.502
Q_{PAH} 0.463 1.193 2.191
U_{min} 2.296 6.744 13.465
{\rm log}_{10}(\gamma_e)\, -3.419 -2.610 -1.560

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.626 -2.239 -1.785
{\rm log}_{10}(\tau_{AGN})\, 0.980 1.333 1.743

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.024 0.121 0.267
0.03-0.10 Gyr 0.739 0.944 1.168
0.10-0.33 Gyr -0.673 0.127 0.502
0.33-1.07 Gyr -1.017 -0.275 0.051
1.07-3.48 Gyr -0.608 -0.151 0.117
3.48-11.35 Gyr -0.366 -0.014 0.168
11.35-12.61 Gyr -0.428 0.128 0.621