2025hvn

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Information

Transient

Name: AT2025hvn
Right ascension: 7h27m20.15s
Declination: 54d06m47.84s
Discovery Date: March 3, 2025, 7:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.048

Host

Name: 2025hvn
Right ascension: 7h27m20.47s
Declination: 54d06m45.77s
Redshift: None
Photometric Redshift: 0.185
 

Processing Status

Task Name Status Time taken (s) Warning Flag
Host match processed 2.36
Cutout download processed 4.13
Global aperture construction processed 0.65
Local aperture photometry processed 4.09
Global aperture photometry processed 4.35
Validate local photometry no valid phot 0.02
Validate global photometry processed 12.13
Host information processed 0.09
Global host SED inference processed 390.32
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.05
Host MWEBV processed 0.07
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) = 7h27m20.15s, 54d06m47.84s
semi major axis, semi minor axis (arcsec) = 0.65, 0.65
angle (degrees, anti-clockwise from east) = 0.0

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

Aperture details

RA, DEC (J2000) = 7h27m20.46s, 54d06m45.93s
semi major axis, semi minor axis (arcsec) = 5.89, 2.51
angle (degrees, anti-clockwise from east) = -56.58

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 7.5 1.94 21.712 0.281 AB
GALEX_NUV 8.92 1.53 21.524 0.186 AB
PanSTARRS_g 36.92 0.85 19.982 0.025 AB
PanSTARRS_r 53.03 1.32 19.589 0.027 AB
PanSTARRS_i 69.76 1.0 19.291 0.016 AB
PanSTARRS_z 66.92 2.63 19.336 0.043 AB
PanSTARRS_y 83.94 6.95 19.090 0.090 AB
2MASS_J 2.93 104.45 21.838 38.707 Vega
2MASS_H -12.29 167.78 Vega
2MASS_K 120.57 166.45 16.859 1.499 Vega
WISE_W1 39.54 10.97 17.208 0.301 Vega
WISE_W2 28.13 14.28 16.938 0.551 Vega
WISE_W3 53.97 60.69 14.396 1.221 Vega
WISE_W4 -332.52 384.45 Vega
 

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})\, 9.500 9.659 9.798
{\rm log}_{10}({\rm SFR}) 0.171 0.473 0.751
{\rm log}_{10}({\rm sSFR}) -9.573 -9.198 -8.830
{\rm stellar\ age} 1.854 3.869 5.163

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.238 -0.568 -0.026
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.327 0.086 0.282

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.156 0.300 0.525
\delta -0.506 -0.074 0.167
\tau_1/\tau_2 0.837 1.198 1.543
Q_{PAH} 0.828 2.434 4.548
U_{min} 2.756 7.972 15.645
{\rm log}_{10}(\gamma_e)\, -2.910 -1.830 -0.632

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.966 -2.225 -1.118
{\rm log}_{10}(\tau_{AGN})\, 1.029 1.443 1.857

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.022 0.182 0.363
0.03-0.10 Gyr 0.187 0.558 0.868
0.10-0.32 Gyr 0.289 0.588 0.858
0.32-1.02 Gyr -0.436 0.140 0.464
1.02-3.24 Gyr -0.899 -0.260 0.029
3.24-10.32 Gyr -1.135 -0.447 -0.156
10.32-11.47 Gyr -1.334 -0.453 0.003