Exposure
ID
GRAVI.2023-08-26T05:52:29.839_1
Header ID
GRAVI.2023-08-26T05:52:29.839
Date updated
2023-08-26 06:00:47 UTC+0000
Release date
2024-08-26 06:00:47 UTC+0000
UTC Start
2023-08-26 05:52:29.839
UTC End
2023-08-26 05:53:49.839
MJD Start
60182.2447898
MJD End
60182.24571572593
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.003271
Ambient temperature (°C)
14.64
Seeing (arcsec)
0.9
Observation
ID
56628
Category
science
Program ID
111.24N4.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART III
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ KERVELLA/ MÉRAND/ GIEREN/ GRACZYK
Target
ID
41959
Name
alpha_Equ
RA
318.954041
DEC
5.24735
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 66.8920 66.5290 117.2000 117.3000
A0-J2 107.1970 106.7120 89.5000 89.5000
A0-K0 119.0210 118.7250 69.1420 69.0510
G1-J2 57.1390 57.0750 56.6000 56.5000
G1-K0 89.4060 89.4590 35.3350 35.3470
J2-K0 41.6500 41.6660 5.5420 5.7360
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24N4.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60182.2447898
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alpha-Equ
HIERARCH ESO INS SOBJ NAME alpha_Equ
RA 318.954041
DEC 5.24735
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 96.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 66.892
HIERARCH ESO ISS PBL12 END 66.529
HIERARCH ESO ISS PBLA12 START 117.2
HIERARCH ESO ISS PBLA12 END 117.3
HIERARCH ESO ISS PBL13 START 107.197
HIERARCH ESO ISS PBL13 END 106.712
HIERARCH ESO ISS PBLA13 START 89.5
HIERARCH ESO ISS PBLA13 END 89.5
HIERARCH ESO ISS PBL14 START 119.021
HIERARCH ESO ISS PBL14 END 118.725
HIERARCH ESO ISS PBLA14 START 69.142
HIERARCH ESO ISS PBLA14 END 69.051
HIERARCH ESO ISS PBL23 START 57.139
HIERARCH ESO ISS PBL23 END 57.075
HIERARCH ESO ISS PBLA23 START 56.6
HIERARCH ESO ISS PBLA23 END 56.5
HIERARCH ESO ISS PBL24 START 89.406
HIERARCH ESO ISS PBL24 END 89.459
HIERARCH ESO ISS PBLA24 START 35.335
HIERARCH ESO ISS PBLA24 END 35.347
HIERARCH ESO ISS PBL34 START 41.65
HIERARCH ESO ISS PBL34 END 41.666
HIERARCH ESO ISS PBLA34 START 5.542
HIERARCH ESO ISS PBLA34 END 5.736
HIERARCH ESO ISS AMBI TAU0 START 0.003271
HIERARCH ESO ISS AMBI TAU0 END 0.003271
HIERARCH ESO ISS AMBI TEMP 14.64
HIERARCH ESO ISS AMBI FWHM START 0.9
HIERARCH ESO ISS AMBI FWHM END 0.9