2025ajvh

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Information

Transient

Name: SN2025ajvh
Right ascension: 23h02m43.21s
Declination: 20d04m53.00s
Discovery Date: Dec. 29, 2025, 8:13 p.m.
Classification: SN Ia-91T-like
Redshift: 0.033600
MW E(B-V): 0.057

Host

Name:
Right ascension: 23h02m44.03s
Declination: 20d04m56.46s
Redshift: None
Photometric Redshift: 0.023
 

Processing Status: completed

Task Name Status Time taken (s) Warning Flag
Cutout download processed 1.13
Transient MWEBV processed 0.06
Host match processed 5.99
Host information processed 0.05
Host MWEBV processed 0.08
Global aperture construction processed 0.62
Global aperture photometry processed 5.08
Validate global photometry processed 16.27
Global host SED inference processed 2729.68
Local aperture photometry processed 5.06
Validate local photometry processed 0.02
Local host SED inference processed 423.03
 

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) = 23h02m43.21s, 20d04m53.00s
semi major axis, semi minor axis (arcsec) = 2.99, 2.99
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 -2.32 3.49 AB
SDSS_g 25.04 1.56 20.403 0.068 AB
PanSTARRS_g 22.96 0.71 20.497 0.034 AB
SDSS_r 35.62 2.29 20.021 0.070 AB
PanSTARRS_r 34.25 1.0 20.063 0.032 AB
SDSS_i 41.15 3.29 19.864 0.087 AB
PanSTARRS_i 40.17 1.29 19.890 0.035 AB
PanSTARRS_z 53.66 2.41 19.576 0.049 AB
SDSS_z 46.32 10.98 19.736 0.257 AB
PanSTARRS_y 62.85 7.62 19.404 0.132 AB
2MASS_J 19.71 59.77 19.768 3.292 Vega
2MASS_H 53.09 89.43 18.220 1.829 Vega
2MASS_K 21.68 116.41 18.722 5.830 Vega

Aperture details

RA, DEC (J2000) = 23h02m44.02s, 20d04m56.71s
semi major axis, semi minor axis (arcsec) = 19.27, 11.87
angle (degrees, anti-clockwise from east) = -69.1

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 127.83 8.79 18.633 0.075 AB
SDSS_u 106.37 17.86 18.833 0.182 AB
SDSS_r 1323.9 12.78 16.095 0.010 AB
SDSS_i 1783.29 18.01 15.772 0.011 AB
PanSTARRS_i 1536.83 6.51 15.933 0.005 AB
2MASS_J 2175.14 307.83 14.661 0.154 Vega
2MASS_K 2564.74 599.06 13.540 0.254 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})\, 7.992 8.235 8.370
{\rm log}_{10}({\rm SFR}) -1.936 -1.393 -0.795
{\rm log}_{10}({\rm sSFR}) -10.227 -9.679 -8.948
{\rm stellar\ age} 2.927 6.135 7.649

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.024 -0.350 0.012
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.570 -0.993 -0.202

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.233 0.584 0.950
\delta -0.594 -0.144 0.221
\tau_1/\tau_2 0.641 1.009 1.383
Q_{PAH} 0.798 2.559 4.949
U_{min} 3.219 8.094 15.336
{\rm log}_{10}(\gamma_e)\, -2.882 -1.544 -0.529

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.086 -1.078 -0.196
{\rm log}_{10}(\tau_{AGN})\, 1.101 1.529 2.012

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -2.008 -1.537 -1.150
0.03-0.10 Gyr -2.113 -1.395 -0.692
0.10-0.33 Gyr -2.223 -1.537 -1.030
0.33-1.09 Gyr -2.531 -1.707 -1.320
1.09-3.62 Gyr -2.606 -1.821 -1.500
3.62-11.98 Gyr -2.688 -1.779 -1.518
11.98-13.31 Gyr -2.829 -1.824 -1.303

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.919 10.038 10.159
{\rm log}_{10}({\rm SFR}) -0.719 -0.331 0.062
{\rm log}_{10}({\rm sSFR}) -10.735 -10.352 -9.943
{\rm stellar\ age} 7.230 8.940 12.380

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.711 -1.089 -0.627
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.411 -0.854 -0.515

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.091 0.405 0.723
\delta 0.070 0.295 0.372
\tau_1/\tau_2 0.173 0.703 1.463
Q_{PAH} 0.974 3.235 5.712
U_{min} 2.370 7.004 14.546
{\rm log}_{10}(\gamma_e)\, -3.135 -1.789 -0.735

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.307 -2.475 -0.785
{\rm log}_{10}(\tau_{AGN})\, 1.018 1.541 1.983

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.434 -0.078 0.302
0.03-0.10 Gyr -2.427 -0.691 -0.044
0.10-0.33 Gyr -3.462 -1.059 -0.356
0.33-1.09 Gyr -3.077 -0.917 -0.200
1.09-3.62 Gyr -2.828 -0.741 -0.054
3.62-11.98 Gyr -1.287 -0.032 0.226
11.98-13.31 Gyr -0.088 0.627 1.256