2025qcd

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Information

Transient

Name: AT2025qcd
Right ascension: 15h47m48.18s
Declination: 14d57m36.87s
Discovery Date: July 2, 2025, 7:54 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.035

Host

Name:
Right ascension: 15h47m48.18s
Declination: 14d57m36.85s
Redshift: None
Photometric Redshift: 0.200

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	27.28
Transient MWEBV	processed	0.04
Host match	processed	6.13
Host information	processed	0.14
Host MWEBV	processed	0.03
Global aperture construction	processed	0.63
Global aperture photometry	processed	6.22
Validate global photometry	processed	16.37
Global host SED inference	processed	478.6
Local aperture photometry	processed	7.72
Validate local photometry	no valid phot	0.03
Local host SED inference	not processed	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) = 15h47m48.18s, 14d57m36.87s
semi major axis, semi minor axis (arcsec) = 0.61, 0.61
angle (degrees, anti-clockwise from east) = 0.0

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

Data not available

Aperture details

RA, DEC (J2000) = 15h47m48.18s, 14d57m36.92s
semi major axis, semi minor axis (arcsec) = 3.72, 3.15
angle (degrees, anti-clockwise from east) = -159.32

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	8.73	2.87	21.548	0.358	AB
SDSS_g	50.85	2.06	19.634	0.044	AB
DES_g	52.1	0.47	19.608	0.010	AB
PanSTARRS_g	55.04	1.13	19.548	0.022	AB
SDSS_r	131.88	3.32	18.600	0.027	AB
PanSTARRS_r	128.38	1.15	18.629	0.010	AB
DES_r	146.51	0.99	18.485	0.007	AB
SDSS_i	186.71	4.46	18.222	0.026	AB
PanSTARRS_i	182.96	0.99	18.244	0.006	AB
PanSTARRS_z	232.0	2.17	17.986	0.010	AB
SDSS_z	227.27	10.26	18.009	0.049	AB
DES_z	263.87	2.99	17.847	0.012	AB
PanSTARRS_y	270.85	5.65	17.818	0.023	AB
2MASS_J	436.38	78.65	16.405	0.196	Vega
2MASS_H	534.2	127.91	15.713	0.260	Vega
2MASS_K	262.24	152.55	16.015	0.632	Vega
WISE_W1	159.97	9.57	15.691	0.065	Vega
WISE_W2	108.04	12.05	15.477	0.121	Vega
WISE_W3	62.09	49.87	14.243	0.872	Vega
WISE_W4	-661.23	427.74			Vega

Imaging data

Click the image to load the interactive plot.

Spectral Energy Distribution

Host SED inference

Local parameter details

Documentation

Data not available

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.540	10.661	10.756
{\rm log}_{10}({\rm SFR})	-1.378	-0.124	0.487
{\rm log}_{10}({\rm sSFR})	-12.048	-10.784	-10.093
{\rm stellar\ age}	5.213	6.668	8.734

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.270	-0.954	-0.713
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.274	-0.699	-0.212

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.209	0.346	0.530
\delta	-0.937	-0.788	-0.520
\tau_1/\tau_2	0.629	1.044	1.451
Q_{PAH}	1.300	3.245	5.399
U_{min}	2.910	8.454	16.153
{\rm log}_{10}(\gamma_e)\,	-2.492	-1.346	-0.401

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.133	-2.796	-1.532
{\rm log}_{10}(\tau_{AGN})\,	1.059	1.554	1.930

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.559	-0.231	0.196
0.03-0.10 Gyr	-2.016	-0.130	0.581
0.10-0.32 Gyr	-2.054	-0.014	0.620
0.32-1.01 Gyr	-1.801	0.010	0.647
1.01-3.20 Gyr	-0.881	0.441	0.870
3.20-10.18 Gyr	-0.030	0.820	1.003
10.18-11.31 Gyr	-0.120	0.869	1.692