2025ihn

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Information

Transient

Name: AT2025ihn
Right ascension: 4h31m47.04s
Declination: -37d26m54.74s
Discovery Date: April 22, 2025, 11:31 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.014

Host

Name: 2025ihn
Right ascension: 4h31m47.21s
Declination: -37d26m56.81s
Redshift: 0.032139
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
not enough filters
 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 0.83
Cutout download processed 3.44
Global aperture construction processed 0.15
Local aperture photometry processed 0.87
Global aperture photometry processed 1.0
Validate local photometry processed 0.01
Validate global photometry processed 1.44
Host information processed 0.09
Global host SED inference processed 657.41
Local host SED inference not enough filters 17.69
Transient information processed 0.0
Transient MWEBV processed 0.14
Host MWEBV processed 0.05
Processing status blocked 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) = 4h31m47.04s, -37d26m54.74s
semi major axis, semi minor axis (arcsec) = 3.12, 3.12
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
2MASS_J 1380.48 86.43 15.155 0.068 Vega
2MASS_H 1650.07 109.68 14.489 0.072 Vega
2MASS_K 1638.86 155.4 14.026 0.103 Vega

Aperture details

RA, DEC (J2000) = 4h31m47.21s, -37d26m57.12s
semi major axis, semi minor axis (arcsec) = 7.2, 6.35
angle (degrees, anti-clockwise from east) = -21.11

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 75.26 8.51 19.209 0.123 AB
GALEX_NUV 156.87 7.05 18.411 0.049 AB
2MASS_J 3724.35 187.64 14.077 0.055 Vega
2MASS_H 4356.63 237.01 13.435 0.059 Vega
2MASS_K 4036.06 338.43 13.047 0.091 Vega
WISE_W1 2000.49 21.27 12.948 0.012 Vega
WISE_W2 1321.63 25.52 12.758 0.021 Vega
WISE_W3 5822.97 77.61 9.313 0.014 Vega
WISE_W4 8701.54 644.63 7.431 0.080 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})\, 9.724 9.986 10.146
{\rm log}_{10}({\rm SFR}) -0.358 -0.008 0.427
{\rm log}_{10}({\rm sSFR}) -10.386 -9.948 -9.469
{\rm stellar\ age} 4.638 7.623 11.040

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.967 -0.228 0.090
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.567 -0.935 -0.229

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.231 0.435 0.676
\delta -0.536 -0.174 0.141
\tau_1/\tau_2 0.281 0.676 1.169
Q_{PAH} 0.339 1.228 2.852
U_{min} 2.559 7.064 13.848
{\rm log}_{10}(\gamma_e)\, -3.616 -2.783 -1.644

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.895 -2.499 -1.467
{\rm log}_{10}(\tau_{AGN})\, 1.020 1.562 1.950

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.787 0.015 0.366
0.03-0.10 Gyr -1.014 -0.097 0.538
0.10-0.33 Gyr -1.838 -0.429 0.347
0.33-1.10 Gyr -2.420 -0.542 0.261
1.10-3.62 Gyr -1.823 -0.341 0.101
3.62-11.99 Gyr -1.026 -0.092 0.237
11.99-13.33 Gyr -0.823 0.167 1.117