2025dch

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Information

Transient

Name: AT2025dch
Right ascension: 13h46m12.89s
Declination: 53d47m45.02s
Discovery Date: March 1, 2025, 11:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.010

Host

Name: 2025dch
Right ascension: 13h46m12.84s
Declination: 53d47m44.60s
Redshift: None
Photometric Redshift: 0.139

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	1.73
Cutout download	processed	12.59
Global aperture construction	processed	0.57
Local aperture photometry	processed	4.56
Global aperture photometry	processed	4.48
Validate local photometry	no valid phot	0.02
Validate global photometry	processed	13.07
Host information	processed	0.1
Global host SED inference	processed	457.36
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.05
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) = 13h46m12.89s, 53d47m45.02s
semi major axis, semi minor axis (arcsec) = 0.81, 0.81
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) = 13h46m12.80s, 53d47m44.83s
semi major axis, semi minor axis (arcsec) = 5.17, 2.61
angle (degrees, anti-clockwise from east) = -64.35

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	27.75	3.3	20.292	0.129	AB
SDSS_g	48.3	2.14	19.690	0.048	AB
PanSTARRS_g	50.99	0.83	19.631	0.018	AB
SDSS_r	79.4	2.88	19.151	0.039	AB
PanSTARRS_r	76.87	0.93	19.186	0.013	AB
SDSS_i	102.53	3.77	18.873	0.040	AB
PanSTARRS_i	100.13	1.04	18.899	0.011	AB
PanSTARRS_z	125.04	2.5	18.657	0.022	AB
SDSS_z	124.72	9.83	18.660	0.086	AB
PanSTARRS_y	112.85	5.88	18.769	0.057	AB
2MASS_J	253.17	130.91	16.997	0.561	Vega
2MASS_H	109.88	197.34	17.430	1.950	Vega
2MASS_K	-61.53	235.78			Vega
WISE_W1	71.11	7.31	16.571	0.112	Vega
WISE_W2	54.1	12.59	16.228	0.253	Vega
WISE_W3	29.82	57.22	15.040	2.083	Vega
WISE_W4	-354.47	378.15			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})\,	9.349	9.732	9.968
{\rm log}_{10}({\rm SFR})	-0.829	0.334	0.984
{\rm log}_{10}({\rm sSFR})	-10.668	-9.447	-8.419
{\rm stellar\ age}	0.980	4.655	6.914

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.590	-0.983	-0.394
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.669	-0.626	0.268

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.334	0.491	0.685
\delta	-0.728	-0.373	-0.002
\tau_1/\tau_2	0.454	0.880	1.327
Q_{PAH}	0.557	1.718	3.624
U_{min}	3.028	9.025	17.373
{\rm log}_{10}(\gamma_e)\,	-3.186	-2.261	-1.143

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.912	-2.263	-1.485
{\rm log}_{10}(\tau_{AGN})\,	0.942	1.354	1.844

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-3.339	-1.739	-0.756
0.03-0.10 Gyr	-0.726	0.490	1.146
0.10-0.32 Gyr	-1.503	0.253	0.766
0.32-1.04 Gyr	-2.727	-0.309	0.308
1.04-3.35 Gyr	-2.987	-0.338	0.167
3.35-10.79 Gyr	-2.859	-0.517	0.057
10.79-11.98 Gyr	-3.323	-0.506	0.433