Exposure
ID
GRAVI.2024-06-05T09:27:28.931_1
Header ID
GRAVI.2024-06-05T09:27:28.931
Date updated
2024-06-05 09:35:37 UTC+0000
Release date
2025-06-05 09:35:36 UTC+0000
UTC Start
2024-06-05 09:27:28.931
UTC End
2024-06-05 09:28:48.931
MJD Start
60466.39408485
MJD End
60466.3950107759
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.003257
Ambient temperature (°C)
14.58
Seeing (arcsec)
0.42
Observation
ID
59537
Category
science
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
44145
Name
alpha_Equ
RA
318.955171
DEC
5.24734
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 42.3980 42.3180 150.3000 150.5000
A0-J2 128.0140 127.8920 91.9000 91.8000
A0-J6 155.7530 155.9890 31.4220 31.5240
B5-J2 111.8200 111.8570 73.0000 73.0000
B5-J6 180.0990 180.3050 19.5250 19.6690
J2-J6 144.8280 144.6430 341.1670 341.3430
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26BP.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60466.39408485
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alpha-Equ
HIERARCH ESO INS SOBJ NAME alpha_Equ
RA 318.955171
DEC 5.24734
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 96.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 42.398
HIERARCH ESO ISS PBL12 END 42.318
HIERARCH ESO ISS PBLA12 START 150.3
HIERARCH ESO ISS PBLA12 END 150.5
HIERARCH ESO ISS PBL13 START 128.014
HIERARCH ESO ISS PBL13 END 127.892
HIERARCH ESO ISS PBLA13 START 91.9
HIERARCH ESO ISS PBLA13 END 91.8
HIERARCH ESO ISS PBL14 START 155.753
HIERARCH ESO ISS PBL14 END 155.989
HIERARCH ESO ISS PBLA14 START 31.422
HIERARCH ESO ISS PBLA14 END 31.524
HIERARCH ESO ISS PBL23 START 111.82
HIERARCH ESO ISS PBL23 END 111.857
HIERARCH ESO ISS PBLA23 START 73.0
HIERARCH ESO ISS PBLA23 END 73.0
HIERARCH ESO ISS PBL24 START 180.099
HIERARCH ESO ISS PBL24 END 180.305
HIERARCH ESO ISS PBLA24 START 19.525
HIERARCH ESO ISS PBLA24 END 19.669
HIERARCH ESO ISS PBL34 START 144.828
HIERARCH ESO ISS PBL34 END 144.643
HIERARCH ESO ISS PBLA34 START 341.167
HIERARCH ESO ISS PBLA34 END 341.343
HIERARCH ESO ISS AMBI TAU0 START 0.003208
HIERARCH ESO ISS AMBI TAU0 END 0.003306
HIERARCH ESO ISS AMBI TEMP 14.58
HIERARCH ESO ISS AMBI FWHM START 0.43
HIERARCH ESO ISS AMBI FWHM END 0.41