Exposure
ID
GRAVI.2024-07-04T07:54:26.952_1
Header ID
GRAVI.2024-07-04T07:54:26.952
Date updated
2024-07-04 08:30:42 UTC+0000
Release date
2024-07-04 07:54:26 UTC+0000
UTC Start
2024-07-04 07:54:26.952
UTC End
2024-07-04 08:01:06.952
MJD Start
60495.32947861
MJD End
60495.3341082396
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.0046965
Ambient temperature (°C)
13.09
Seeing (arcsec)
0.59
Observation
ID
59900
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
44439
Name
HD_231808
RA
293.438135
DEC
15.24635
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 57.6640 55.7180 108.6000 108.8000
A0-J2 102.2620 99.9490 81.2000 80.6000
A0-K0 118.8500 117.5730 63.9570 63.1940
G1-J2 57.4880 57.2560 53.8000 53.2000
G1-K0 87.6960 88.0680 36.4560 36.3290
J2-K0 37.0340 37.1830 8.8700 9.8090
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 60495.32947861
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD231808
HIERARCH ESO INS SOBJ NAME HD_231808
RA 293.438135
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 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 57.664
HIERARCH ESO ISS PBL12 END 55.718
HIERARCH ESO ISS PBLA12 START 108.6
HIERARCH ESO ISS PBLA12 END 108.8
HIERARCH ESO ISS PBL13 START 102.262
HIERARCH ESO ISS PBL13 END 99.949
HIERARCH ESO ISS PBLA13 START 81.2
HIERARCH ESO ISS PBLA13 END 80.6
HIERARCH ESO ISS PBL14 START 118.85
HIERARCH ESO ISS PBL14 END 117.573
HIERARCH ESO ISS PBLA14 START 63.957
HIERARCH ESO ISS PBLA14 END 63.194
HIERARCH ESO ISS PBL23 START 57.488
HIERARCH ESO ISS PBL23 END 57.256
HIERARCH ESO ISS PBLA23 START 53.8
HIERARCH ESO ISS PBLA23 END 53.2
HIERARCH ESO ISS PBL24 START 87.696
HIERARCH ESO ISS PBL24 END 88.068
HIERARCH ESO ISS PBLA24 START 36.456
HIERARCH ESO ISS PBLA24 END 36.329
HIERARCH ESO ISS PBL34 START 37.034
HIERARCH ESO ISS PBL34 END 37.183
HIERARCH ESO ISS PBLA34 START 8.87
HIERARCH ESO ISS PBLA34 END 9.809
HIERARCH ESO ISS AMBI TAU0 START 0.004003
HIERARCH ESO ISS AMBI TAU0 END 0.00539
HIERARCH ESO ISS AMBI TEMP 13.09
HIERARCH ESO ISS AMBI FWHM START 0.64
HIERARCH ESO ISS AMBI FWHM END 0.54