2025qsy

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Information

Transient

Name: AT2025qsy
Right ascension: 23h50m12.74s
Declination: 6d45m37.26s
Discovery Date: July 9, 2025, 11:09 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.095

Host

Name:
Right ascension: 23h50m12.69s
Declination: 6d45m36.96s
Redshift: None
Photometric Redshift: 0.129

Processing Status

Task Name	Status	Time taken (s)	Warning Flag
Host match	processed	7.85
Cutout download	processed	21.54
Global aperture construction	processed	2.7
Local aperture photometry	processed	7.64
Global aperture photometry	processed	6.68
Validate local photometry	no valid phot	0.03
Validate global photometry	processed	17.61
Host information	processed	0.16
Global host SED inference	processed	487.23
Local host SED inference	not processed	None
Transient information	processed	0.0
Transient MWEBV	processed	0.13
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) = 23h50m12.74s, 6d45m37.26s
semi major axis, semi minor axis (arcsec) = 0.87, 0.87
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) = 23h50m12.65s, 6d45m37.02s
semi major axis, semi minor axis (arcsec) = 5.44, 3.52
angle (degrees, anti-clockwise from east) = -134.38

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	1.18	1.07	23.717	0.978	AB
GALEX_NUV	3.41	1.94	22.569	0.617	AB
SDSS_u	-9.67	3.54			AB
SDSS_g	25.13	1.92	20.399	0.083	AB
DES_g	20.79	0.26	20.605	0.014	AB
PanSTARRS_g	19.46	1.32	20.677	0.074	AB
SDSS_r	32.13	2.47	20.133	0.084	AB
PanSTARRS_r	30.3	1.13	20.196	0.041	AB
DES_r	35.12	0.63	20.036	0.019	AB
SDSS_i	36.71	3.23	19.988	0.096	AB
PanSTARRS_i	39.44	1.03	19.910	0.028	AB
PanSTARRS_z	39.81	2.89	19.900	0.079	AB
SDSS_z	14.31	10.76	21.011	0.816	AB
DES_z	46.57	1.56	19.730	0.036	AB
PanSTARRS_y	30.25	7.6	20.198	0.273	AB
2MASS_J	146.49	146.45	17.591	1.085	Vega
2MASS_H	118.25	227.25	17.350	2.086	Vega
2MASS_K	-185.91	243.66			Vega
WISE_W1	20.79	7.74	17.906	0.404	Vega
WISE_W2	18.24	13.15	17.408	0.783	Vega
WISE_W3	23.58	63.87	15.295	2.941	Vega
WISE_W4	-54.78	386.91			Vega

Imaging data

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})\,	8.917	9.142	9.343
{\rm log}_{10}({\rm SFR})	-1.604	-0.617	0.158
{\rm log}_{10}({\rm sSFR})	-10.796	-9.797	-8.848
{\rm stellar\ age}	0.265	1.515	4.635

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.752	-1.184	-0.281
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.596	-0.383	0.285

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.174	0.423	0.823
\delta	-0.659	-0.213	0.192
\tau_1/\tau_2	0.596	1.045	1.488
Q_{PAH}	1.740	3.705	5.561
U_{min}	3.491	9.529	17.540
{\rm log}_{10}(\gamma_e)\,	-2.838	-1.720	-0.712

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-2.746	-0.947	-0.234
{\rm log}_{10}(\tau_{AGN})\,	0.954	1.437	1.816

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.951	-0.865	-0.396
0.03-0.10 Gyr	-2.424	-0.625	0.291
0.10-0.32 Gyr	-0.900	0.164	0.698
0.32-1.04 Gyr	-2.108	-0.244	0.246
1.04-3.37 Gyr	-4.146	-1.402	-0.428
3.37-10.90 Gyr	-5.218	-2.042	-0.813
10.90-12.11 Gyr	-5.338	-2.052	-0.713