Exposure
ID
GRAVI.2024-08-13T04:57:42.140_1
Header ID
GRAVI.2024-08-13T04:57:42.140
Date updated
2024-08-13 05:10:45 UTC+0000
Release date
2024-08-13 04:57:42 UTC+0000
UTC Start
2024-08-13 04:57:42.140
UTC End
2024-08-13 05:04:22.140
MJD Start
60535.20673773
MJD End
60535.211367359625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004348
Ambient temperature (°C)
13.68
Seeing (arcsec)
0.645
Observation
ID
60300
Category
calibrator
Program ID
113.26BP.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART IV
Program Type
Normal
PI / COI
GALLENNE / PIETRZYNSKI / KERVELLA / MÉRAND / GIEREN / GRACZYK
Target
ID
44760
Name
HD_231808
RA
293.439282
DEC
15.24635
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 31.8760 31.5520 161.7000 163.1000
A0-J2 108.3450 106.2710 83.0000 82.4000
A0-J6 162.2290 163.0680 36.6930 36.6340
B5-J2 106.8020 105.8730 66.0000 65.3000
B5-J6 182.4010 183.5850 28.4630 28.6870
J2-J6 117.3050 117.0280 354.8130 356.0600
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60535.20673773
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD231808
HIERARCH ESO INS SOBJ NAME HD_231808
RA 293.439282
DEC 15.24635
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 31.876
HIERARCH ESO ISS PBL12 END 31.552
HIERARCH ESO ISS PBLA12 START 161.7
HIERARCH ESO ISS PBLA12 END 163.1
HIERARCH ESO ISS PBL13 START 108.345
HIERARCH ESO ISS PBL13 END 106.271
HIERARCH ESO ISS PBLA13 START 83.0
HIERARCH ESO ISS PBLA13 END 82.4
HIERARCH ESO ISS PBL14 START 162.229
HIERARCH ESO ISS PBL14 END 163.068
HIERARCH ESO ISS PBLA14 START 36.693
HIERARCH ESO ISS PBLA14 END 36.634
HIERARCH ESO ISS PBL23 START 106.802
HIERARCH ESO ISS PBL23 END 105.873
HIERARCH ESO ISS PBLA23 START 66.0
HIERARCH ESO ISS PBLA23 END 65.3
HIERARCH ESO ISS PBL24 START 182.401
HIERARCH ESO ISS PBL24 END 183.585
HIERARCH ESO ISS PBLA24 START 28.463
HIERARCH ESO ISS PBLA24 END 28.687
HIERARCH ESO ISS PBL34 START 117.305
HIERARCH ESO ISS PBL34 END 117.028
HIERARCH ESO ISS PBLA34 START 354.813
HIERARCH ESO ISS PBLA34 END 356.06
HIERARCH ESO ISS AMBI TAU0 START 0.004348
HIERARCH ESO ISS AMBI TAU0 END 0.004348
HIERARCH ESO ISS AMBI TEMP 13.68
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.61