2025qsv

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Information

Transient

Name: AT2025qsv
Right ascension: 21h46m55.48s
Declination: 4d54m10.25s
Discovery Date: June 19, 2025, 7:46 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.060

Host

Name:
Right ascension: 21h46m55.46s
Declination: 4d54m09.81s
Redshift: None
Photometric Redshift: 0.100

Processing Status: blocked

Task Name	Status	Time taken (s)
Cutout download	processed	31.4
Transient MWEBV	processed	0.14
Host match	processed	6.68
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.68
Global aperture photometry	processed	6.26
Validate global photometry	processed	18.21
Global host SED inference	processed	533.18
Local aperture photometry	processed	7.09
Validate local photometry	processed	0.03
Local host SED inference	processed	481.52

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) = 21h46m55.48s, 4d54m10.25s
semi major axis, semi minor axis (arcsec) = 1.08, 1.08
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_r	132.57	0.91	18.594	0.007	AB
PanSTARRS_z	305.0	0.86	17.689	0.003	AB
DES_z	291.68	4.84	17.738	0.018	AB
PanSTARRS_y	343.71	1.89	17.560	0.006	AB

Aperture details

RA, DEC (J2000) = 21h46m55.45s, 4d54m10.01s
semi major axis, semi minor axis (arcsec) = 6.24, 4.95
angle (degrees, anti-clockwise from east) = -90.33

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
GALEX_FUV	-0.2	0.49			AB
GALEX_NUV	2.14	0.55	23.074	0.278	AB
SDSS_u	44.32	4.05	19.784	0.099	AB
SDSS_g	201.26	4.14	18.141	0.022	AB
DES_g	234.25	0.79	17.976	0.004	AB
PanSTARRS_g	243.43	1.08	17.934	0.005	AB
SDSS_r	519.68	6.39	17.111	0.013	AB
PanSTARRS_r	542.01	1.44	17.065	0.003	AB
DES_r	564.8	1.95	17.020	0.004	AB
SDSS_i	776.65	8.14	16.674	0.011	AB
PanSTARRS_i	780.02	1.33	16.670	0.002	AB
PanSTARRS_z	1020.54	3.99	16.378	0.004	AB
SDSS_z	1095.78	17.16	16.301	0.017	AB
DES_z	1085.05	9.51	16.311	0.010	AB
PanSTARRS_y	1227.0	9.39	16.178	0.008	AB
2MASS_J	1380.81	145.17	15.155	0.114	Vega
2MASS_H	1880.56	253.99	14.347	0.147	Vega
2MASS_K	1838.59	245.82	13.901	0.145	Vega
WISE_W1	734.51	18.85	14.036	0.028	Vega
WISE_W2	422.48	21.29	13.996	0.055	Vega
WISE_W3	139.82	75.55	13.362	0.587	Vega

Imaging data

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Spectral Energy Distribution

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Host SED inference

Local parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.123	10.309	10.473
{\rm log}_{10}({\rm SFR})	-0.813	-0.055	0.517
{\rm log}_{10}({\rm sSFR})	-11.117	-10.360	-9.729
{\rm stellar\ age}	4.903	7.175	9.790

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.448	-0.819	-0.331
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.567	-0.808	0.077

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.884	1.232	1.561
\delta	-0.542	-0.310	-0.046
\tau_1/\tau_2	0.538	0.920	1.328
Q_{PAH}	0.386	1.806	4.118
U_{min}	2.831	8.321	15.874
{\rm log}_{10}(\gamma_e)\,	-3.244	-1.593	-0.465

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.686	-1.512	-0.562
{\rm log}_{10}(\tau_{AGN})\,	0.978	1.466	1.933

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-1.041	-0.059	0.431
0.03-0.10 Gyr	-1.415	-0.220	0.509
0.10-0.33 Gyr	-1.670	-0.276	0.408
0.33-1.06 Gyr	-1.734	-0.156	0.478
1.06-3.44 Gyr	-1.569	0.053	0.501
3.44-11.20 Gyr	-0.584	0.358	0.629
11.20-12.45 Gyr	-0.532	0.514	1.368

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.733	10.791	10.907
{\rm log}_{10}({\rm SFR})	-5.368	-1.973	-0.535
{\rm log}_{10}({\rm sSFR})	-16.125	-12.853	-11.383
{\rm stellar\ age}	7.289	8.239	11.765

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.319	-0.984	-0.750
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.398	-0.608	0.078

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.280	0.414	0.552
\delta	-0.874	-0.566	-0.357
\tau_1/\tau_2	0.437	0.877	1.331
Q_{PAH}	0.880	2.933	5.194
U_{min}	4.051	10.937	19.131
{\rm log}_{10}(\gamma_e)\,	-2.447	-1.293	-0.322

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.439	-3.325	-2.170
{\rm log}_{10}(\tau_{AGN})\,	1.136	1.676	2.004

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-6.914	-3.054	-1.031
0.03-0.10 Gyr	-5.930	-2.114	-0.430
0.10-0.33 Gyr	-5.649	-2.264	-0.282
0.33-1.06 Gyr	-4.702	-2.168	-0.293
1.06-3.44 Gyr	-3.351	-1.268	0.350
3.44-11.20 Gyr	-1.072	0.909	1.107
11.20-12.45 Gyr	-0.742	1.290	2.060