2025afcy

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Information

Transient

Name: SN2025afcy
Right ascension: 8h17m38.85s
Declination: 59d57m25.72s
Discovery Date: Nov. 28, 2025, 1:30 p.m.
Classification: SN Ia
Redshift: 0.028000
MW E(B-V): 0.076

Host

Name: 23238
Right ascension: 8h17m36.19s
Declination: 59d57m13.78s
Redshift: 0.029284
Photometric Redshift:
 

Processing Status: blocked

Task Name Status Time taken (s) Warning Flag
Cutout download processed 3.68
Transient MWEBV processed 0.08
Host match processed 4.17
Host information processed 0.11
Host MWEBV processed 0.07
Global aperture construction processed 0.64
Global aperture photometry failed 3.25
Validate global photometry not processed 9.89
Global host SED inference not processed 524.4
Local aperture photometry failed 0.01
Validate local photometry not processed 0.02
Local host SED inference not processed 405.38
 

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) = 8h17m38.85s, 59d57m25.72s
semi major axis, semi minor axis (arcsec) = 3.41, 3.41
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_g 27.19 0.72 20.314 0.029 AB
PanSTARRS_r 57.76 1.27 19.496 0.024 AB
PanSTARRS_i 88.99 1.0 19.027 0.012 AB
PanSTARRS_z 111.98 2.64 18.777 0.026 AB
PanSTARRS_y 152.4 6.12 18.443 0.044 AB
2MASS_J 146.07 69.04 17.594 0.513 Vega
2MASS_H 267.29 101.22 16.465 0.411 Vega
2MASS_K 150.75 131.96 16.617 0.950 Vega

Aperture details

RA, DEC (J2000) = 8h17m36.22s, 59d57m13.51s
semi major axis, semi minor axis (arcsec) = 22.54, 17.01
angle (degrees, anti-clockwise from east) = -108.67

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 33537.51 34.74 12.586 0.001 AB
 

Imaging data

Click the image to load the interactive plot.


 

Spectral Energy Distribution

 

Host SED inference


Local parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 8.662 8.818 8.968
{\rm log}_{10}({\rm SFR}) -1.954 -1.388 -0.891
{\rm log}_{10}({\rm sSFR}) -10.779 -10.200 -9.622
{\rm stellar\ age} 5.591 7.404 9.322

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.484 -0.750 -0.175
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.190 -0.123 0.280

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.626 1.299 1.643
\delta -0.420 -0.095 0.174
\tau_1/\tau_2 0.683 0.991 1.344
Q_{PAH} 0.662 2.157 4.612
U_{min} 2.664 7.560 13.953
{\rm log}_{10}(\gamma_e)\, -3.420 -2.522 -1.428

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.911 -2.116 -0.468
{\rm log}_{10}(\tau_{AGN})\, 0.977 1.343 1.845

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -1.891 -1.268 -0.900
0.03-0.10 Gyr -2.247 -1.512 -0.875
0.10-0.33 Gyr -2.434 -1.561 -1.016
0.33-1.10 Gyr -2.490 -1.493 -0.995
1.10-3.63 Gyr -2.183 -1.291 -0.961
3.63-12.03 Gyr -1.626 -1.121 -0.902
12.03-13.36 Gyr -1.672 -1.041 -0.338

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 11.095 11.161 11.280
{\rm log}_{10}({\rm SFR}) -2.474 -0.626 0.627
{\rm log}_{10}({\rm sSFR}) -13.533 -11.764 -10.512
{\rm stellar\ age} 7.814 8.985 12.581

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.731 -0.464 -0.291
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.168 -0.428 0.176

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.319 0.486 0.779
\delta -0.898 -0.705 -0.398
\tau_1/\tau_2 0.471 0.874 1.257
Q_{PAH} 0.485 1.435 4.717
U_{min} 2.503 7.508 15.130
{\rm log}_{10}(\gamma_e)\, -3.381 -2.455 -1.004

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.722 -4.184 -3.300
{\rm log}_{10}(\tau_{AGN})\, 1.242 1.757 2.041

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -3.306 -0.714 0.626
0.03-0.10 Gyr -3.402 -0.766 0.627
0.10-0.33 Gyr -4.019 -0.790 0.540
0.33-1.10 Gyr -3.457 -0.799 0.358
1.10-3.63 Gyr -2.329 -0.051 0.831
3.63-12.03 Gyr -0.352 1.234 1.401
12.03-13.36 Gyr 0.962 1.716 2.392