Exposure
ID
GRAVI.2023-07-19T07:53:03.307_1
Header ID
GRAVI.2023-07-19T07:53:03.307
Date updated
2023-07-19 08:00:47 UTC+0000
Release date
2024-07-19 08:00:47 UTC+0000
UTC Start
2023-07-19 07:53:03.307
UTC End
2023-07-19 07:54:23.307
MJD Start
60144.3285105
MJD End
60144.32943642593
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.0041835
Ambient temperature (°C)
14.25
Seeing (arcsec)
0.44999999999999996
Observation
ID
56297
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
41705
Name
alpha_Equ
RA
318.954042
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 73.3310 73.0060 115.3000 115.3000
A0-J2 115.4010 115.0060 90.2000 90.2000
A0-K0 123.7330 123.5230 70.6290 70.5580
G1-J2 58.0030 57.9730 57.8000 57.7000
G1-K0 88.1660 88.2440 34.8680 34.9050
J2-K0 41.4450 41.4510 1.8300 2.0310
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 60144.3285105
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alpha-Equ
HIERARCH ESO INS SOBJ NAME alpha_Equ
RA 318.954042
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 73.331
HIERARCH ESO ISS PBL12 END 73.006
HIERARCH ESO ISS PBLA12 START 115.3
HIERARCH ESO ISS PBLA12 END 115.3
HIERARCH ESO ISS PBL13 START 115.401
HIERARCH ESO ISS PBL13 END 115.006
HIERARCH ESO ISS PBLA13 START 90.2
HIERARCH ESO ISS PBLA13 END 90.2
HIERARCH ESO ISS PBL14 START 123.733
HIERARCH ESO ISS PBL14 END 123.523
HIERARCH ESO ISS PBLA14 START 70.629
HIERARCH ESO ISS PBLA14 END 70.558
HIERARCH ESO ISS PBL23 START 58.003
HIERARCH ESO ISS PBL23 END 57.973
HIERARCH ESO ISS PBLA23 START 57.8
HIERARCH ESO ISS PBLA23 END 57.7
HIERARCH ESO ISS PBL24 START 88.166
HIERARCH ESO ISS PBL24 END 88.244
HIERARCH ESO ISS PBLA24 START 34.868
HIERARCH ESO ISS PBLA24 END 34.905
HIERARCH ESO ISS PBL34 START 41.445
HIERARCH ESO ISS PBL34 END 41.451
HIERARCH ESO ISS PBLA34 START 1.83
HIERARCH ESO ISS PBLA34 END 2.031
HIERARCH ESO ISS AMBI TAU0 START 0.003581
HIERARCH ESO ISS AMBI TAU0 END 0.004786
HIERARCH ESO ISS AMBI TEMP 14.25
HIERARCH ESO ISS AMBI FWHM START 0.47
HIERARCH ESO ISS AMBI FWHM END 0.43