2025pcy

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Information

Transient

Name: AT2025pcy
Right ascension: 17h18m57.00s
Declination: 31d54m40.76s
Discovery Date: June 26, 2025, 7:52 a.m.
Classification: None
Redshift: None
MW E(B-V): 0.030

Host

Name:
Right ascension: 17h18m56.96s
Declination: 31d54m43.00s
Redshift: 0.087111
Photometric Redshift:

Processing Status: completed

Task Name	Status	Time taken (s)
Cutout download	processed	19.25
Transient MWEBV	processed	0.05
Host match	processed	6.4
Host information	processed	0.15
Host MWEBV	processed	0.05
Global aperture construction	processed	0.62
Global aperture photometry	processed	5.59
Validate global photometry	processed	15.6
Global host SED inference	processed	509.42
Local aperture photometry	processed	6.31
Validate local photometry	processed	0.02
Local host SED inference	processed	451.13

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) = 17h18m57.00s, 31d54m40.76s
semi major axis, semi minor axis (arcsec) = 1.23, 1.23
angle (degrees, anti-clockwise from east) = 0.0

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
DES_g	17.35	0.33	20.802	0.021	AB
PanSTARRS_r	25.43	0.37	20.387	0.016	AB
DES_r	32.67	0.62	20.115	0.021	AB
PanSTARRS_i	41.89	0.4	19.845	0.010	AB
PanSTARRS_z	56.42	0.93	19.521	0.018	AB
DES_z	71.26	2.55	19.268	0.039	AB
PanSTARRS_y	69.75	1.92	19.291	0.030	AB

Aperture details

RA, DEC (J2000) = 17h18m56.95s, 31d54m43.15s
semi major axis, semi minor axis (arcsec) = 7.0, 6.12
angle (degrees, anti-clockwise from east) = -159.83

Filter	Flux {\rm (\mu Jy)}	Flux error {\rm (\mu Jy)}	Mag	Mag error	Mag sys
SDSS_u	83.66	5.09	19.094	0.066	AB
SDSS_g	202.91	4.03	18.132	0.022	AB
DES_g	209.64	1.17	18.096	0.006	AB
PanSTARRS_g	206.48	1.3	18.113	0.007	AB
SDSS_r	351.49	5.43	17.535	0.017	AB
PanSTARRS_r	350.65	1.94	17.538	0.006	AB
DES_r	374.04	2.15	17.468	0.006	AB
SDSS_i	481.85	6.82	17.193	0.015	AB
PanSTARRS_i	485.95	2.1	17.184	0.005	AB
PanSTARRS_z	575.02	4.9	17.001	0.009	AB
SDSS_z	625.96	16.62	16.909	0.029	AB
DES_z	564.08	7.87	17.022	0.015	AB
PanSTARRS_y	673.01	10.16	16.830	0.016	AB
2MASS_J	857.8	137.36	15.672	0.174	Vega
2MASS_H	560.82	238.26	15.660	0.461	Vega
2MASS_K	891.49	248.71	14.687	0.303	Vega
WISE_W1	361.52	14.69	14.806	0.044	Vega
WISE_W2	227.49	17.07	14.669	0.081	Vega
WISE_W3	502.15	62.6	11.974	0.135	Vega
WISE_W4	658.9	388.91	10.233	0.641	Vega

Imaging data

Click the image to load the interactive plot.

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})\,	9.028	9.362	9.484
{\rm log}_{10}({\rm SFR})	-0.594	-0.043	0.462
{\rm log}_{10}({\rm sSFR})	-10.033	-9.405	-8.565
{\rm stellar\ age}	0.977	5.751	7.622

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-0.586	-0.029	0.124
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-1.281	-0.665	-0.135

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.680	1.392	1.908
\delta	-0.142	0.078	0.287
\tau_1/\tau_2	0.727	1.108	1.486
Q_{PAH}	0.616	2.326	5.221
U_{min}	2.930	7.883	15.159
{\rm log}_{10}(\gamma_e)\,	-3.226	-1.747	-0.582

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-3.764	-1.608	0.006
{\rm log}_{10}(\tau_{AGN})\,	0.969	1.364	1.906

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-0.845	-0.247	0.193
0.03-0.10 Gyr	-0.687	-0.039	0.548
0.10-0.33 Gyr	-1.340	-0.422	0.190
0.33-1.07 Gyr	-1.985	-0.731	-0.190
1.07-3.48 Gyr	-2.459	-0.779	-0.407
3.48-11.35 Gyr	-2.794	-0.663	-0.383
11.35-12.61 Gyr	-2.636	-0.682	-0.071

Global parameter details

Documentation

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(M_{\ast}/M_{\odot})\,	10.190	10.274	10.379
{\rm log}_{10}({\rm SFR})	-1.145	-0.166	0.761
{\rm log}_{10}({\rm sSFR})	-11.405	-10.386	-9.477
{\rm stellar\ age}	6.771	7.615	10.987

Metallicity parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(Z_{\ast}/Z_{\odot})	-1.383	-0.973	-0.701
{\rm log}_{10}(Z_{gas}/Z_{\odot})\,	-0.967	0.139	0.400

Dust parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
\tau_2	0.108	0.255	0.429
\delta	-0.872	-0.544	0.043
\tau_1/\tau_2	0.519	0.908	1.336
Q_{PAH}	0.555	1.798	4.213
U_{min}	2.917	8.784	16.589
{\rm log}_{10}(\gamma_e)\,	-3.057	-1.945	-0.853

AGN parameters

Parameter	Lower (16%)	Median (50%)	Upper (84%)
{\rm log}_{10}(f_{AGN})\,	-4.121	-2.719	-1.671
{\rm log}_{10}(\tau_{AGN})\,	1.065	1.518	1.916

Binned star formation history

Lookback time	Lower (16%)	Median (50%)	Upper (84%)
0.00-0.03 Gyr	-2.660	-1.102	-0.518
0.03-0.10 Gyr	-1.171	-0.037	0.921
0.10-0.33 Gyr	-2.474	-0.619	0.086
0.33-1.07 Gyr	-3.658	-0.793	-0.138
1.07-3.48 Gyr	-2.512	-0.315	0.260
3.48-11.35 Gyr	-0.415	0.402	0.576
11.35-12.61 Gyr	-0.417	0.574	1.449