2025nah

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Information

Transient

Name: AT2025nah
Right ascension: 20h15m21.50s
Declination: -23d08m38.63s
Discovery Date: June 6, 2025, 10:31 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.104

Host

Name: 2025nah
Right ascension: 20h15m21.60s
Declination: -23d08m40.56s
Redshift: None
Photometric Redshift: 0.103
 

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 3.94
Cutout download processed 3.81
Global aperture construction processed 0.65
Local aperture photometry processed 4.14
Global aperture photometry processed 3.92
Validate local photometry processed 0.02
Validate global photometry processed 9.11
Host information processed 0.09
Global host SED inference processed 446.87
Local host SED inference processed 646.41
Transient information processed 0.0
Transient MWEBV processed 0.03
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) = 20h15m21.50s, -23d08m38.63s
semi major axis, semi minor axis (arcsec) = 1.06, 1.06
angle (degrees, anti-clockwise from east) = 0.0

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
PanSTARRS_y 15.09 2.18 20.953 0.157 AB

Aperture details

RA, DEC (J2000) = 20h15m21.59s, -23d08m40.27s
semi major axis, semi minor axis (arcsec) = 5.77, 3.9
angle (degrees, anti-clockwise from east) = -56.35

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 10.12 3.18 21.388 0.341 AB
GALEX_NUV 10.46 2.08 21.351 0.216 AB
PanSTARRS_g 68.3 1.08 19.314 0.017 AB
PanSTARRS_r 97.0 1.39 18.933 0.016 AB
PanSTARRS_i 133.19 1.25 18.589 0.010 AB
PanSTARRS_z 136.56 3.4 18.562 0.027 AB
PanSTARRS_y 160.35 9.56 18.387 0.065 AB
2MASS_J 65.56 110.78 18.463 1.834 Vega
2MASS_H 148.11 163.71 17.106 1.200 Vega
2MASS_K 357.03 184.36 15.680 0.561 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})\, 8.171 8.684 9.081
{\rm log}_{10}({\rm SFR}) -1.044 -0.550 -0.101
{\rm log}_{10}({\rm sSFR}) -9.917 -9.249 -8.348
{\rm stellar\ age} 0.949 5.712 8.253

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.626 -0.849 -0.059
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.080 -0.426 0.164

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.569 1.062 1.695
\delta -0.333 0.047 0.267
\tau_1/\tau_2 0.463 0.882 1.340
Q_{PAH} 0.751 2.004 4.376
U_{min} 2.890 8.360 15.319
{\rm log}_{10}(\gamma_e)\, -3.127 -2.122 -0.740

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.058 -0.884 0.068
{\rm log}_{10}(\tau_{AGN})\, 1.060 1.473 1.936

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.796 -0.282 0.181
0.03-0.10 Gyr -2.620 -1.125 -0.308
0.10-0.33 Gyr -3.969 -1.655 -0.803
0.33-1.06 Gyr -4.605 -1.814 -0.963
1.06-3.44 Gyr -4.223 -1.742 -1.068
3.44-11.18 Gyr -3.613 -1.527 -0.913
11.18-12.42 Gyr -3.728 -1.479 -0.385

Global parameter details

Documentation

Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\, 9.454 9.595 9.730
{\rm log}_{10}({\rm SFR}) -0.261 0.089 0.514
{\rm log}_{10}({\rm sSFR}) -9.870 -9.513 -9.011
{\rm stellar\ age} 1.632 4.523 6.364

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -1.549 -0.707 -0.059
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.421 -0.392 0.193

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.141 0.439 0.878
\delta -0.214 0.176 0.344
\tau_1/\tau_2 0.656 0.993 1.382
Q_{PAH} 0.818 2.796 5.196
U_{min} 2.938 7.700 14.874
{\rm log}_{10}(\gamma_e)\, -2.836 -1.575 -0.484

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -3.888 -2.165 -1.037
{\rm log}_{10}(\tau_{AGN})\, 0.957 1.364 1.860

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.312 -0.054 0.199
0.03-0.10 Gyr -0.348 0.127 0.616
0.10-0.33 Gyr -0.105 0.253 0.692
0.33-1.06 Gyr -0.425 0.048 0.408
1.06-3.44 Gyr -0.943 -0.320 -0.049
3.44-11.18 Gyr -1.684 -0.542 -0.209
11.18-12.42 Gyr -1.794 -0.558 0.004