2025eqn

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Information

Transient

Name: AT2025eqn
Right ascension: 18h25m19.10s
Declination: 46d34m45.43s
Discovery Date: March 10, 2025, 10:50 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.044

Host

Name: 2025eqn
Right ascension: 18h25m21.84s
Declination: 46d35m14.84s
Redshift: 0.113409
Photometric Redshift: 0.104
 

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
no valid phot
 status
Local host SED inference
Local host SED inference
not 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 3.22
Cutout download processed 2.94
Global aperture construction processed 0.68
Local aperture photometry processed 3.64
Global aperture photometry processed 3.74
Validate local photometry no valid phot 0.02
Validate global photometry processed 11.54
Host information processed 0.1
Global host SED inference processed 413.22
Local host SED inference not processed None
Transient information processed 0.0
Transient MWEBV processed 0.04
Host MWEBV processed 0.13
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) = 18h25m19.10s, 46d34m45.43s
semi major axis, semi minor axis (arcsec) = 0.97, 0.97
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) = 18h25m21.79s, 46d35m15.46s
semi major axis, semi minor axis (arcsec) = 9.01, 5.54
angle (degrees, anti-clockwise from east) = -39.24

Filter Flux {\rm (\mu Jy)} Flux error {\rm (\mu Jy)} Mag Mag error Mag sys
GALEX_FUV 9.54 2.56 21.451 0.291 AB
GALEX_NUV 9.8 2.53 21.422 0.280 AB
PanSTARRS_g 251.52 1.43 17.899 0.006 AB
PanSTARRS_r 564.68 2.28 17.021 0.004 AB
PanSTARRS_i 814.14 1.92 16.623 0.003 AB
PanSTARRS_z 1087.21 5.96 16.309 0.006 AB
2MASS_J 1430.56 230.63 15.116 0.175 Vega
2MASS_H 2734.69 336.97 13.940 0.134 Vega
2MASS_K 1973.96 397.24 13.824 0.218 Vega
WISE_W1 977.04 21.14 13.726 0.023 Vega
WISE_W2 578.0 26.7 13.656 0.050 Vega
WISE_W3 307.91 69.79 12.505 0.246 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})\, 10.907 10.951 11.024
{\rm log}_{10}({\rm SFR}) -0.688 -0.274 0.180
{\rm log}_{10}({\rm sSFR}) -11.634 -11.225 -10.766
{\rm stellar\ age} 7.508 8.869 11.381

Metallicity parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot}) -0.465 -0.300 -0.175
{\rm log}_{10}(Z_{gas}/Z_{\odot})\, -1.450 -0.716 -0.034

Dust parameters
Parameter Lower (16%) Median (50%) Upper (84%)
\tau_2 0.096 0.178 0.288
\delta -0.647 -0.306 0.021
\tau_1/\tau_2 0.556 0.960 1.387
Q_{PAH} 0.523 1.706 3.900
U_{min} 2.745 8.018 15.406
{\rm log}_{10}(\gamma_e)\, -2.931 -2.136 -1.280

AGN parameters
Parameter Lower (16%) Median (50%) Upper (84%)
{\rm log}_{10}(f_{AGN})\, -4.428 -3.529 -2.539
{\rm log}_{10}(\tau_{AGN})\, 0.995 1.484 1.900

Binned star formation history
Lookback time Lower (16%) Median (50%) Upper (84%)
0.00-0.03 Gyr -0.699 -0.306 0.001
0.03-0.10 Gyr -1.122 -0.304 0.260
0.10-0.32 Gyr -1.459 -0.474 0.047
0.32-1.05 Gyr -1.853 -0.656 -0.093
1.05-3.41 Gyr -1.534 -0.334 0.278
3.41-11.06 Gyr -0.030 1.054 1.211
11.06-12.29 Gyr 1.038 1.690 2.160