GJ643 (nirps_he_online_udem)

This page was last modified: 2025-01-09 18:13:14.943168 (UTC)

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Contents

Target info

This section gives some details of the APERO astrometric database used when processing this target (e.g. for BERV calculation). Any observation with a object name in the alias list will be associated with this “APERO target” i.e. DRSOBJN=GJ643

Target Information

RA

253.8515351 [deg] (Gaia DR2)

Dec

-8.32645146 [deg] (Gaia DR2)

Finder chart

[FINDER CHART]

Teff

3413.0 [K] (2021A&A…656A.162M)

Spectral Type

M3.5V (1991ApJS…77..417K)

Proper Motion (RA)

-816.9437021 [mas/yr] (Gaia DR2)

Proper Motion (Dec)

-898.3270863 [mas/yr] (Gaia DR2)

Parallax

153.9189115 [mas/yr] (Gaia DR2)

Radial Velocity

15.839 [mas/yr] (2018A&A…616A…7S)

Aliases

LHS 427, ** LDS 573C, CCDM J16555-0820C, CSI-08 4352 2, DENIS J165525.4-081918, GCRV 9744, GEN# +6.00106750, GEN# +1.00152751C, GEN# +6.10010643, GJ 643, GSC 05642-01473, GSC 05642-01583, HIC 82809, HIP 82809, IDS 16501-0809 C, JP11 5161, Karmn J16554-083N, LFT 1311, LPM 622, LTT 6750, 2MASS J16552527-0819207, NLTT 43797, 8pc 153.96E, PLX 3844, PLX 3844.00, PM J16554-0819, PMSC 16501-0809P, SDSS J165524.92-081926.2, TIC 181589885, TYC 5642-1583-1, UBV 14331, UCAC2 28934772, UCAC4 409-067017, VVO 248, WDS J16555-0820C, WEB 14000, WISEA J165524.66-081930.5, Wolf 629, Zkh 237, Zkh 236, [RHG95] 2660, Gaia DR3 4339465360510320128, Gaia DR1 4339465356212491648, Gaia DR2 4339465360508118912, GJ643, GL643, GL 643, GL_643, GJ 643, GJ_643, Wolf_629, LHS427, **LDS573C, CCDMJ16555-0820C, CSI-0843522, DENISJ165525.4-081918, GCRV9744, GEN#+6.00106750, GEN#+1.00152751C, GEN#+6.10010643, GJ643, GSC05642-01473, GSC05642-01583, HIC82809, HIP82809, IDS16501-0809C, JP115161, KarmnJ16554-083N, LFT1311, LPM622, LTT6750, 2MASSJ16552527-0819207, NLTT43797, 8pc153.96E, PLX3844, PLX3844.00, PMJ16554-0819, PMSC16501-0809P, SDSSJ165524.92-081926.2, TIC181589885, TYC5642-1583-1, UBV14331, UCAC228934772, UCAC4409-067017, VVO248, WDSJ16555-0820C, WEB14000, WISEAJ165524.66-081930.5, Wolf629, Zkh237, Zkh236, [RHG95]2660, GaiaDR34339465360510320128, GaiaDR14339465356212491648, GaiaDR24339465360508118912, GJ643, GL643, GL643, GL643, GJ643, GJ643, Wolf629

OBJECT name(s) in headers

GJ643

Spectrum

This section presents the observation after extraction,with and without telluric correction.

../../../_images/spec_plot_GJ643_nirps_he_online_udem.png

Spectrum Information

DPRTYPES

OBJ_SKY

Total number raw files

111

First raw files

2023-04-02 09:22:53.846

Last raw files

2024-09-16 00:56:20.947

Total number PP files

111

Number PP files passed QC

111

Number PP files failed QC

0

First pp file [Mid exposure]

2023-04-02 09:22:53.846

Last pp file [Mid exposure]

2024-09-16 00:56:20.947

Last processed [pp]

2024-12-26 11:08:25.181

Version [pp]

0.7.292

Total number ext files

111

Number ext files passed QC

111

Number ext files failed QC

0

First ext file [Mid exposure]

2023-04-02 09:22:53.846

Last ext file [Mid exposure]

2024-09-16 00:56:20.947

Last processed [ext]

2024-12-19 07:55:10.181

Version [ext]

0.7.292

Total number tcorr files

111

Number tcorr files passed QC

111

Number tcorr files failed QC

0

First tcorr file [Mid exposure]

2023-04-02 09:22:53.846

Last tcorr file [Mid exposure]

2024-09-16 00:56:20.947

Last processed [tcorr]

2024-12-29 20:34:49.716

Version [tcorr]

0.7.292

Median SNR Y

89.83 \(\pm\) 16.36

Median SNR H

135.90 \(\pm\) 21.00

Request

Extracted 2D spectra

Extracted 1D spectra

Telluric corrected 2D spectra

Telluric corrected 1D spectra

2D Template (after telluric correction)

1D Template (after telluric correction)

Packaged extraction files (e.fits)

Packaged telluric corrected files (t.fits)

Packaged s1d extract+tcorr (s.fits)

Packaged velocity files (v.fits)

Packaged polarimetry files (p.fits)

Spectrum Downloads

File URL

Uploaded

Extracted 2D spectra

ext2d_GJ643_nirps_he_online_udem_file_list.txt

2025-01-09 18:13:41.708

Extracted 1D spectra

ext1d_GJ643_nirps_he_online_udem_file_list.txt

2025-01-09 18:13:41.919

Telluric corrected 2D spectra

tcorr2d_GJ643_nirps_he_online_udem_file_list.txt

2025-01-09 18:13:42.121

Telluric corrected 1D spectra

tcorr1d_GJ643_nirps_he_online_udem_file_list.txt

2025-01-09 18:13:42.323

Extracted 2D header file

ext2d_header_GJ643_nirps_he_online_udem_file.csv

2025-01-09 18:13:41.344

LBL (GJ643_GJ643)

This section presents the LBL results for GJ643_GJ643. The first object is the target we measure RVs for the second is the “friend” or “template” that was used to calculate those RVs.

../../../_images/lbl_plot_GJ643_GJ643_nirps_he_online_udem.png

LBL stats

RV Uncertainty lbl.rdb (25, 50, 75 percentile)

1.88, 2.08, 2.30 m/s

RV Absolute Deviation lbl.rdb (25, 50, 75 percentile)

0.71, 1.88, 4.21 m/s

Number of lbl.rdb Measurements

111

Number of lbl.rdb Spurious Low Points

1

Number of lbl.rdb Spurious High Points

0

Number of Nights

53

Number of Reset RV Points

0

Systemic Velocity

15899.53 m/s

Velocity Domain considered valid

15885.39 to 15914.18 m/s

LBL Version

0.65.002

Request

LBL fits files

lbl_rdb files

lbl2_rdb files

lbl_drift files

lbl2_drift files

lbl_fits files

LBL Downloads

File URL

Uploaded

RDB file

lbl_GJ643_GJ643.rdb

2025-01-01 01:33:33.108

RDB2 file

lbl2_GJ643_GJ643.rdb

2025-01-01 01:33:35.830

Drift file

lbl_GJ643_GJ643_drift.rdb

2025-01-01 01:33:35.983

Drift2 file

lbl2_GJ643_GJ643_drift.rdb

2025-01-01 01:33:36.326

LBL (GJ643_GJ581)

This section presents the LBL results for GJ643_GJ581. The first object is the target we measure RVs for the second is the “friend” or “template” that was used to calculate those RVs.

../../../_images/lbl_plot_GJ643_GJ581_nirps_he_online_udem.png

LBL stats

RV Uncertainty lbl.rdb (25, 50, 75 percentile)

3.33, 3.54, 3.78 m/s

RV Absolute Deviation lbl.rdb (25, 50, 75 percentile)

1.52, 2.76, 5.03 m/s

Number of lbl.rdb Measurements

111

Number of lbl.rdb Spurious Low Points

1

Number of lbl.rdb Spurious High Points

0

Number of Nights

53

Number of Reset RV Points

0

Systemic Velocity

15872.82 m/s

Velocity Domain considered valid

15857.11 to 15888.38 m/s

LBL Version

0.65.002

Request

LBL fits files

lbl_rdb files

lbl2_rdb files

lbl_drift files

lbl2_drift files

lbl_fits files

LBL Downloads

File URL

Uploaded

RDB file

lbl_GJ643_GJ581.rdb

2025-01-01 01:34:55.009

RDB2 file

lbl2_GJ643_GJ581.rdb

2025-01-01 01:34:57.127

Drift file

lbl_GJ643_GJ581_drift.rdb

2025-01-01 01:34:57.217

Drift2 file

lbl2_GJ643_GJ581_drift.rdb

2025-01-01 01:34:57.536

CCF

This section presents the APERO CCF results for this object.

../../../_images/ccf_plot_GJ643_nirps_he_online_udem.png

CCF stats

Mask used

GL699_neg.fits

CCF systemic velocity

16020.86 \(\pm\) 5.16 m/s

CCF FWHM

5094.31 \(\pm\) 32.13 m/s

Number of CCF files Total

111

Number of CCF passed QC

111

Number CCF files failed QC

0

First ccf file [Mid exposure]

2023-04-02 09:22:53.846

Last ccf file [Mid exposure]

2024-09-16 00:56:20.947

Last processed [ccf]

2024-12-30 07:01:42.442

Version [ccf]

0.7.292

Request

CCF files

CCF Downloads

File URL

Uploaded

CCF Table

ccf_GJ643_nirps_he_online_udem_file_list.txt

2025-01-09 18:14:17.443

Time series

This section deals with providing the time series information for this object

Obs Dir

First obs mid

Last obs mid

Number of ext

Number of tcorr

Seeing

Airmass

Mean Exptime

Total Exptime

SNR[Order 15 (#134 1.08um)]

SNR[Order 60 (#89 1.63um)]

DPRTYPEs

ext_files

tcorr_files

Request ext files

Request tcorr files

2023-04-01

2023-04-02 09:22:53.846

2023-04-02 09:30:36.426

2

2

1.150

1.076

451.437

902.875

110.411

159.507

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-03

2023-04-04 09:49:02.083

2023-04-04 09:57:34.837

2

2

0.820

1.104

451.437

902.875

116.897

167.252

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-04

2023-04-05 09:39:04.175

2023-04-05 09:46:46.755

2

2

1.640

1.098

451.437

902.875

104.962

155.463

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-06

2023-04-07 08:58:20.073

2023-04-07 09:06:02.653

2

2

1.060

1.075

451.437

902.875

102.094

148.591

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-07

2023-04-08 09:43:04.011

2023-04-08 09:50:46.590

2

2

0.940

1.117

451.437

902.875

113.249

163.288

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-08

2023-04-09 09:43:40.705

2023-04-09 09:51:23.284

2

2

0.880

1.123

451.437

902.875

113.302

164.148

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-10

2023-04-11 09:04:52.528

2023-04-11 09:12:35.108

2

2

1.360

1.087

451.437

902.875

110.521

159.958

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-14

2023-04-15 10:01:08.468

2023-04-15 10:08:51.048

2

2

1.800

1.207

451.437

902.875

98.132

147.351

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-04-16

2023-04-17 06:31:43.113

2023-04-17 06:39:25.693

2

2

1.570

1.147

451.437

902.875

84.818

130.855

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-05-29

2023-05-30 08:01:39.594

2023-05-30 08:09:22.172

2

2

1.415

1.424

451.437

902.875

91.452

137.657

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-05-31

2023-06-01 03:32:36.496

2023-06-01 03:40:19.074

2

2

0.790

1.151

451.437

902.875

96.852

142.472

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-01

2023-06-02 07:12:40.759

2023-06-02 07:20:23.337

2

2

0.920

1.267

451.437

902.875

102.752

150.680

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-02

2023-06-03 05:58:33.819

2023-06-03 06:06:16.398

2

2

1.520

1.111

451.437

902.875

95.896

143.375

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-04

2023-06-05 07:21:21.637

2023-06-05 07:29:04.216

2

2

1.025

1.345

451.437

902.875

93.535

139.760

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-05

2023-06-06 07:00:44.734

2023-06-06 07:08:27.313

2

2

1.050

1.280

451.437

902.875

102.478

150.281

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-07

2023-06-08 06:22:15.667

2023-06-08 06:29:58.245

2

2

1.060

1.190

451.437

902.875

117.870

168.179

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-08

2023-06-09 07:23:42.487

2023-06-09 07:31:25.066

2

2

1.185

1.431

451.437

902.875

104.186

154.238

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-06-25

2023-06-26 04:03:03.571

2023-06-26 04:10:46.152

2

2

2.410

1.085

451.437

902.875

78.660

123.346

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-07-30

2023-07-31 03:05:07.942

2023-07-31 03:12:50.522

2

2

1.220

1.220

451.437

902.875

82.623

127.623

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-08-04

2023-08-05 02:28:44.746

2023-08-05 02:36:27.326

2

2

1.400

1.177

451.437

902.875

90.443

135.251

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-08-10

2023-08-11 02:48:25.580

2023-08-11 02:56:08.160

2

2

3.030

1.306

451.437

902.875

61.249

99.144

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-08-23

2023-08-24 00:23:36.286

2023-08-24 00:31:18.864

2

2

1.840

1.096

451.437

902.875

81.363

124.598

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-08-26

2023-08-27 01:47:20.115

2023-08-27 01:55:02.693

2

2

2.710

1.313

451.437

902.875

73.246

114.053

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-08-29

2023-08-30 01:55:06.947

2023-08-30 02:02:49.525

2

2

1.690

1.399

451.437

902.875

80.009

122.959

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-09-13

2023-09-14 00:40:20.959

2023-09-14 00:48:03.538

2

2

1.360

1.329

451.437

902.875

90.529

135.623

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2023-09-18

2023-09-19 00:41:51.145

2023-09-19 00:49:33.725

2

2

1.545

1.427

451.437

902.875

62.538

98.211

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-02-25

2024-02-26 09:01:26.533

2024-02-26 09:09:09.111

2

2

1.260

1.268

451.437

902.875

102.912

150.963

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-03-18

2024-03-19 08:04:03.843

2024-03-19 08:11:46.421

2

2

1.260

1.185

451.437

902.875

96.911

144.164

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-03-23

2024-03-24 08:40:54.092

2024-03-24 08:48:36.671

2

2

1.260

1.094

451.437

902.875

108.428

155.688

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-04-04

2024-04-05 08:35:44.051

2024-04-05 08:43:26.628

2

2

1.260

1.071

451.437

902.875

86.625

133.947

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-04-05

2024-04-06 07:48:21.374

2024-04-06 07:56:03.952

2

2

1.260

1.095

451.437

902.875

94.765

143.708

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-04-15

2024-04-16 07:45:20.306

2024-04-16 07:53:02.884

2

2

1.260

1.072

451.437

902.875

80.763

127.573

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-04-26

2024-04-27 07:03:31.293

2024-04-27 07:11:13.871

2

2

1.260

1.072

451.437

902.875

87.192

128.014

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-05-17

2024-05-18 05:36:36.978

2024-05-18 05:44:19.557

2

2

-1.000

1.074

451.437

902.875

85.744

131.316

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-05-18

2024-05-19 07:36:01.940

2024-05-19 07:43:44.518

2

2

-1.000

1.185

451.437

902.875

84.412

130.966

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-05-29

2024-05-30 07:16:47.344

2024-05-30 07:24:29.923

2

2

1.260

1.252

451.437

902.875

97.455

144.549

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-06-05

2024-06-06 05:05:17.533

2024-06-06 05:13:00.111

2

2

1.260

1.077

451.437

902.875

60.070

93.161

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-06-16

2024-06-17 05:13:14.946

2024-06-17 05:20:57.525

2

2

1.260

1.129

451.437

902.875

82.274

126.933

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-06-25

2024-06-26 05:28:09.157

2024-06-26 05:35:51.735

2

2

1.260

1.244

451.437

902.875

72.327

114.376

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-07-15

2024-07-16 03:23:53.471

2024-07-16 03:31:36.049

2

2

1.260

1.137

451.437

902.875

99.839

147.384

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-07-25

2024-07-26 02:27:43.647

2024-07-26 02:35:26.225

2

2

1.260

1.111

451.437

902.875

45.862

75.203

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-07-26

2024-07-27 03:16:24.291

2024-07-27 03:24:06.868

2

2

1.260

1.215

451.437

902.875

77.274

118.955

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-08-09

2024-08-10 01:26:25.692

2024-08-10 01:34:08.270

2

2

1.260

1.109

451.437

902.875

87.848

133.387

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-08-12

2024-08-13 01:29:26.492

2024-08-13 01:37:09.071

2

2

1.260

1.129

451.437

902.875

98.893

145.871

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-08-21

2024-08-22 01:29:34.395

2024-08-22 01:37:16.974

2

2

1.260

1.203

451.437

902.875

32.487

59.896

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-08-22

2024-08-23 01:40:44.018

2024-08-23 01:48:26.597

2

2

1.260

1.246

451.437

902.875

61.842

102.914

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-03

2024-09-04 01:06:06.092

2024-09-04 01:13:48.671

2

2

1.260

1.288

451.437

902.875

46.126

76.147

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-08

2024-09-09 00:45:55.295

2024-09-09 00:53:37.874

2

2

1.260

1.286

451.437

902.875

84.079

127.024

OBJ_SKY

2 [download]

2 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-09

2024-09-10 00:43:48.010

2024-09-10 00:59:13.168

3

3

1.260

1.308

451.437

1354.312

76.641

118.866

OBJ_SKY

3 [download]

3 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-11

2024-09-12 00:48:04.543

2024-09-12 01:03:29.700

3

3

1.260

1.358

451.437

1354.312

56.011

93.894

OBJ_SKY

3 [download]

3 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-13

2024-09-14 00:51:14.497

2024-09-14 01:06:39.653

3

3

1.260

1.410

451.437

1354.312

89.527

135.781

OBJ_SKY

3 [download]

3 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-14

2024-09-15 00:18:21.575

2024-09-15 00:33:46.732

3

3

1.260

1.286

451.437

1354.312

92.208

138.338

OBJ_SKY

3 [download]

3 [download]

Extracted 2D files

Telluric corrected 2D files

2024-09-15

2024-09-16 00:40:55.790

2024-09-16 00:56:20.947

3

3

1.260

1.398

451.437

1354.312

96.413

142.693

OBJ_SKY

3 [download]

3 [download]

Extracted 2D files

Telluric corrected 2D files

Debug

This section has various debug plots from APERO products

Telluric map

../../../_images/debug_tcorr_map_plot_GJ643_nirps_he_online_udem.png

Telluric map of e2dsff_tcorr_A files.Files are low-passed and corrected for the stars motion. The QC is displayed to the right of the image - in purple are the files that passed, in orange the files that failed.

Shape QC plot

../../../_images/debug_shape_plot_GJ643_nirps_he_online_udem.png

Shape parameters varying in time.dx is a shift along the order, dy is a shift across orders, [[A,B],[C,D]] is an affine transformation matrix.

wfpdrift plot

../../../_images/debug_wfpdrift_plot_GJ643_nirps_he_online_udem.png

Wavelength solution absolute CCF FP Drift [km/s]

Wave cavity (c0) plot

../../../_images/debug_wcav000_plot_GJ643_nirps_he_online_udem.png

Wave cavity polynomial coeffs=0

Maximum Saturation level plot

../../../_images/debug_extsmax_plot_GJ643_nirps_he_online_udem.png

Maximum saturation level measured at time of extraction

Measured effective readout noise before extraction

../../../_images/debug_effron_plot_GJ643_nirps_he_online_udem.png

Measured effective readout noise before extraction

APERO Processing Debug Plot

../../../_images/debug_version_plot_GJ643_nirps_he_online_udem.png

Plotting the version and processed date from the header from APERO. Note that offline reductions should lead to a straight line, while online reductions should be roughly a one-to-one with the Date axis.

APERO Calibration times plot

../../../_images/debug_mjd_cdt_plot_GJ643_nirps_he_online_udem.png

Computed time between observation and calibration used. Some calibrations arereference calibrations (in purple) and thus diverge from the reference night, others should always be from the same night (orange) unless no calibration was taken that night in which case the closest calirbation in time should have been used.