DN Boo - JD 2458599.33174

DN Boo (Eclipsing binary)

RA: 13h 51m 42.00s, DE: +14° 18' 06.00" (207.9250000000, 14.3016666667)

4/25/2019, 19:57 - 4/26/2019, 00:34 (UTC)

Data:

Observer: Martin Lehky
Created: 5/7/2019, 15:41
Station: Hradec Králové, CZ (MPC 048)
Instrument: 0.40-m f/5 + CCD G2-1600 + BVRcIc
Photometric band: B
Time standard: Gjd
Brightness in: Mag

Note:

# NAME DN Boo
# VAR 13:51:42.04 +14:18:05.9 2454899.854 0.447564 11.17-11.38Hp EW (VSX 20190225)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 25/26 IV 2019; B_127_60s (85/38); V_127_30s (84/35); Rc_127_15s (82/36); Ic_126_15s (89/41); 4.6h; minimum P
# NOTE FLT B 2458599.41586 +/- 0.00034; 20190425 21:58:50 (UT) GEO
# NOTE FLT V 2458599.42067 +/- 0.00036; 20190425 22:05:46 (UT) GEO
# NOTE FLT Rc 2458599.41939 +/- 0.00039; 20190425 22:03:55 (UT) GEO
# NOTE FLT Ic 2458599.41790 +/- 0.00060; 20190425 22:01:47 (UT) GEO
# NOTE FLT BVRcIc average 2458599.41845 +/- 0.00060; 20190425 22:02:34 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus) => clear weather => somewhat cloudy (cirrus)

Determined minima

P: 2458599.41583 (4/25/2019, 21:58)
HJD_min: 2458599.42095 +/- 0.00066
Heliocentric correction: 0.00512
Note:

# NAME DN Boo
# VAR 13:51:42.04 +14:18:05.9 2454899.854 0.447564 11.17-11.38Hp EW (VSX 20190225)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 25/26 IV 2019; B_127_60s (85/38); V_127_30s (84/35); Rc_127_15s (82/36); Ic_126_15s (89/41); 4.6h; minimum P
# NOTE FLT B 2458599.41586 +/- 0.00034; 20190425 21:58:50 (UT) GEO
# NOTE FLT V 2458599.42067 +/- 0.00036; 20190425 22:05:46 (UT) GEO
# NOTE FLT Rc 2458599.41939 +/- 0.00039; 20190425 22:03:55 (UT) GEO
# NOTE FLT Ic 2458599.41790 +/- 0.00060; 20190425 22:01:47 (UT) GEO
# NOTE FLT BVRcIc average 2458599.41845 +/- 0.00060; 20190425 22:02:34 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus) => clear weather => somewhat cloudy (cirrus)

----- EBFit result: -----
Tmin = 2458599.41583
Error (1 sigma): +0.00063/-0.00069 (Bootstrapping), +0.00128/-0.00088 (Prayer bead), +0.00035/-0.00035 (LSM)
Error (95% CI):  +0.00128/-0.00120 (Bootstrapping), +0.00154/-0.00169 (Prayer bead)
LSM: chi^2 = 155.3, n_freedom = 70

P: 2458599.42066 (4/25/2019, 22:05)
HJD_min: 2458599.42578 +/- 0.00063
Heliocentric correction: 0.00512
Note:

# NAME DN Boo
# VAR 13:51:42.04 +14:18:05.9 2454899.854 0.447564 11.17-11.38Hp EW (VSX 20190225)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 25/26 IV 2019; B_127_60s (85/38); V_127_30s (84/35); Rc_127_15s (82/36); Ic_126_15s (89/41); 4.6h; minimum P
# NOTE FLT B 2458599.41586 +/- 0.00034; 20190425 21:58:50 (UT) GEO
# NOTE FLT V 2458599.42067 +/- 0.00036; 20190425 22:05:46 (UT) GEO
# NOTE FLT Rc 2458599.41939 +/- 0.00039; 20190425 22:03:55 (UT) GEO
# NOTE FLT Ic 2458599.41790 +/- 0.00060; 20190425 22:01:47 (UT) GEO
# NOTE FLT BVRcIc average 2458599.41845 +/- 0.00060; 20190425 22:02:34 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus) => clear weather => somewhat cloudy (cirrus)

----- EBFit result: -----
Tmin = 2458599.42066
Error (1 sigma): +0.00066/-0.00060 (Bootstrapping), +0.00140/-0.00177 (Prayer bead), +0.00038/-0.00038 (LSM)
Error (95% CI):  +0.00133/-0.00125 (Bootstrapping), +0.00262/-0.00338 (Prayer bead)
LSM: chi^2 = 167.6, n_freedom = 69

P: 2458599.41935 (4/25/2019, 22:03)
HJD_min: 2458599.42447 +/- 0.00086
Heliocentric correction: 0.00512
Note:

# NAME DN Boo
# VAR 13:51:42.04 +14:18:05.9 2454899.854 0.447564 11.17-11.38Hp EW (VSX 20190225)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 25/26 IV 2019; B_127_60s (85/38); V_127_30s (84/35); Rc_127_15s (82/36); Ic_126_15s (89/41); 4.6h; minimum P
# NOTE FLT B 2458599.41586 +/- 0.00034; 20190425 21:58:50 (UT) GEO
# NOTE FLT V 2458599.42067 +/- 0.00036; 20190425 22:05:46 (UT) GEO
# NOTE FLT Rc 2458599.41939 +/- 0.00039; 20190425 22:03:55 (UT) GEO
# NOTE FLT Ic 2458599.41790 +/- 0.00060; 20190425 22:01:47 (UT) GEO
# NOTE FLT BVRcIc average 2458599.41845 +/- 0.00060; 20190425 22:02:34 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus) => clear weather => somewhat cloudy (cirrus)

----- EBFit result: -----
Tmin = 2458599.41935
Error (1 sigma): +0.00074/-0.00098 (Bootstrapping), +0.00084/-0.00077 (Prayer bead), +0.00043/-0.00043 (LSM)
Error (95% CI):  +0.00145/-0.00171 (Bootstrapping), +0.00180/-0.00112 (Prayer bead)
LSM: chi^2 = 214.5, n_freedom = 69

P: 2458599.41772 (4/25/2019, 22:01)
HJD_min: 2458599.42284 +/- 0.00113
Heliocentric correction: 0.00512
Note:

# NAME DN Boo
# VAR 13:51:42.04 +14:18:05.9 2454899.854 0.447564 11.17-11.38Hp EW (VSX 20190225)
# OBS Martin Lehky (Hradec Kralove CZ; 0.40-m f/5 reflector + CCD G2-1600)
# FLT BVRcIc
# RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz
# NOTE 25/26 IV 2019; B_127_60s (85/38); V_127_30s (84/35); Rc_127_15s (82/36); Ic_126_15s (89/41); 4.6h; minimum P
# NOTE FLT B 2458599.41586 +/- 0.00034; 20190425 21:58:50 (UT) GEO
# NOTE FLT V 2458599.42067 +/- 0.00036; 20190425 22:05:46 (UT) GEO
# NOTE FLT Rc 2458599.41939 +/- 0.00039; 20190425 22:03:55 (UT) GEO
# NOTE FLT Ic 2458599.41790 +/- 0.00060; 20190425 22:01:47 (UT) GEO
# NOTE FLT BVRcIc average 2458599.41845 +/- 0.00060; 20190425 22:02:34 (UT) GEO
# COND clear weather => somewhat cloudy (cirrus) => clear weather => somewhat cloudy (cirrus)

----- EBFit result: -----
Tmin = 2458599.41772
Error (1 sigma): +0.00107/-0.00118 (Bootstrapping), +0.00329/-0.00408 (Prayer bead), +0.00060/-0.00060 (LSM)
Error (95% CI):  +0.00214/-0.00234 (Bootstrapping), +0.00635/-0.00510 (Prayer bead)
LSM: chi^2 = 214.4, n_freedom = 76

Actions:

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Light curve

Catalog geometry

R_p: N/A +/- N/A R_Jup	R_*: N/A +/- N/A R_Sun
i: N/A +/- N/A °	A: N/A +/- N/A AU

Measured geometry

R_p: N/A _-N/A ^+N/A R_Jup
i: N/A _-N/A\|N/A ^+N/A\|N/A °

Neighborhood of the object, comparison and check stars

Comments