2025qsb

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Information

Transient

Name: AT2025qsb
Right ascension: 23h30m01.81s
Declination: 21d49m21.08s
Discovery Date: June 29, 2025, 2:02 p.m.
Classification: None
Redshift: None
MW E(B-V): 0.043

Host

Name:
Right ascension: 23h30m01.73s
Declination: 21d49m19.54s
Redshift: None
Photometric Redshift: 0.138

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	36.04
Transient MWEBV	processed	0.04
Host match	processed	6.25
Host information	processed	0.15
Host MWEBV	processed	0.04
Global aperture construction	processed	0.67
Global aperture photometry	processed	6.17
Validate global photometry	processed	17.64
Global host SED inference	processed	385.27
Local aperture photometry	processed	6.84
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) = 23h30m01.81s, 21d49m21.08s
semi major axis, semi minor axis (arcsec) = 0.82, 0.82
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) = 23h30m01.71s, 21d49m19.72s
semi major axis, semi minor axis (arcsec) = 7.07, 4.63
angle (degrees, anti-clockwise from east) = -109.43

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	8.51	2.02	21.575	0.258	AB
GALEX_NUV	16.91	1.86	20.830	0.119	AB
SDSS_u	21.85	5.48	20.552	0.272	AB
SDSS_g	83.68	3.05	19.093	0.040	AB
DES_g	90.16	0.79	19.012	0.010	AB
PanSTARRS_g	91.88	1.23	18.992	0.015	AB
SDSS_r	148.22	4.39	18.473	0.032	AB
PanSTARRS_r	153.99	1.45	18.431	0.010	AB
DES_r	162.05	1.52	18.376	0.010	AB
SDSS_i	195.43	6.19	18.173	0.034	AB
PanSTARRS_i	203.38	1.96	18.129	0.010	AB
PanSTARRS_z	226.87	3.98	18.011	0.019	AB
SDSS_z	192.47	19.23	18.189	0.108	AB
DES_z	251.69	3.95	17.898	0.017	AB
PanSTARRS_y	251.08	8.58	17.900	0.037	AB
2MASS_J	555.73	147.56	16.143	0.288	Vega
2MASS_H	249.65	234.44	16.539	1.020	Vega
2MASS_K	234.83	280.46	16.135	1.297	Vega
WISE_W1	134.18	10.3	15.882	0.083	Vega
WISE_W2	109.99	15.13	15.458	0.149	Vega
WISE_W3	265.28	59.22	12.667	0.242	Vega
WISE_W4	-165.91	356.67			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})\,	10.128	10.176	10.233
{\rm log}_{10}({\rm SFR})	-0.121	0.128	0.367
{\rm log}_{10}({\rm sSFR})	-10.285	-10.044	-9.799
{\rm stellar\ age}	5.687	6.390	7.246

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.921	-0.668	-0.459
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.627	-1.063	-0.013

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.088	0.156	0.268
\delta	-0.718	-0.296	0.067
\tau_1/\tau_2	0.801	1.104	1.429
Q_{PAH}	0.665	1.674	3.310
U_{min}	2.649	7.515	14.113
{\rm log}_{10}(\gamma_e)\,	-2.297	-1.411	-0.567

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.030	-2.660	-1.742
{\rm log}_{10}(\tau_{AGN})\,	0.983	1.465	1.876

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.326	-0.137	0.012
0.03-0.10 Gyr	-0.094	0.206	0.485
0.10-0.32 Gyr	0.143	0.374	0.566
0.32-1.04 Gyr	-0.063	0.200	0.372
1.04-3.35 Gyr	-0.045	0.204	0.380
3.35-10.80 Gyr	0.182	0.327	0.429
10.80-12.00 Gyr	-0.042	0.375	0.777