DW UMa
RA: 10h 33m 52.87s, DE: +58° 46' 54.70" (158.4702916667, 58.7818611104)
3/27/2017, 6:37 PM - 3/28/2017, 1:49 AM (UTC)
- Observer: Martin Lehky
- Created: 4/13/2017 10:20:59 PM
- Station: Hradec Králové, CZ (MPC 048)
- Instrument: EQ6 + 0.25-m f/4 + CCD ST7 + Rc
- Photometric band: R
- Time standard: Gjd
- Brightness in: Mag
Note:
JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!! # NAME DW UMa # VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328) # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7) # FLT Rc # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz # NOTE 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P # NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO # NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO # NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO # COND fine clear weather
Determined minima
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P: 2457840.28646 (3/27/2017, 18:52)
HJDmin: 2457840.28883
Heliocentric correction: 0.00237
Note:JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!! # NAME DW UMa # VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328) # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7) # FLT Rc # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz # NOTE 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P # NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO # NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO # NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO # COND fine clear weather ----- EBFit result: ----- Tmin = 2457840.28646 Error (1 sigma): +0.00033/-0.00036 (Bootstrapping), +0.00042/-0.00037 (Prayer bead), +0.00029/-0.00029 (LSM) Error (95% CI): +0.00084/-0.00074 (Bootstrapping), +0.00053/-0.00088 (Prayer bead) LSM: chi^2 = 26.3, n_freedom = 21
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P: 2457840.42298 (3/27/2017, 22:09)
HJDmin: 2457840.42535
Heliocentric correction: 0.00237
Note:JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!! # NAME DW UMa # VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328) # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7) # FLT Rc # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz # NOTE 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P # NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO # NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO # NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO # COND fine clear weather ----- EBFit result: ----- Tmin = 2457840.42298 Error (1 sigma): +0.00033/-0.00023 (Bootstrapping), +0.00007/-0.00006 (Prayer bead), +0.00028/-0.00028 (LSM) Error (95% CI): +0.00069/-0.00043 (Bootstrapping), +0.00018/-0.00024 (Prayer bead) LSM: chi^2 = 11.2, n_freedom = 14
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P: 2457840.55988 (3/28/2017, 01:26)
HJDmin: 2457840.56224
Heliocentric correction: 0.00236
Note:JD V-C2 s1 V-C s2 V-C1 s3 C-C1 s4 C-C2 s5 C1-C2 s6 !!! # NAME DW UMa # VAR 10:33:52.87 +58:46:54.7 2446229.006 0.136606547 13.6-18.0V NL/VY+E (VSX 20170328) # OBS Martin Lehky (Hradec Kralove CZ; 0.25-m f/4 reflector + CCD ST7) # FLT Rc # RED CMunipack 1.1.26 + Peranso 2.50 + SPHE/VSES Upload Form (2012) var.astro.cz # NOTE 27/28 III 2017; Rc_255_90s (230); 7.1h; minimum P, minimum P, minimum P # NOTE 2457840.28651 +/- 0.00029; 20170327 18:52:34 (UT) GEO # NOTE 2457840.42299 +/- 0.00028; 20170327 22:09:06 (UT) GEO # NOTE 2457840.55984 +/- 0.00034; 20170328 01:26:10 (UT) GEO # COND fine clear weather ----- EBFit result: ----- Tmin = 2457840.55988 Error (1 sigma): +0.00040/-0.00033 (Bootstrapping), +0.00025/-0.00023 (Prayer bead), +0.00032/-0.00032 (LSM) Error (95% CI): +0.00089/-0.00070 (Bootstrapping), +0.00032/-0.00038 (Prayer bead) LSM: chi^2 = 26.3, n_freedom = 17
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