Exposure
ID
GRAVI.2023-07-13T01:57:49.150_1
Header ID
GRAVI.2023-07-13T01:57:49.150
Date updated
2023-07-13 02:10:48 UTC+0000
Release date
2024-07-13 02:10:48 UTC+0000
UTC Start
2023-07-13 01:57:49.150
UTC End
2023-07-13 02:01:49.150
MJD Start
60138.08181887
MJD End
60138.08459664778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.001325
Ambient temperature (°C)
10.81
Seeing (arcsec)
1.86
Observation
ID
56214
Category
science
Program ID
109.22XY.001
Program Title
HIGH-PRECISION MASSES AND DISTANCES OF SPECTROSCOPIC BINARIES WITH INTERFEROMETRY - PART II
Program Type
Normal
PI / COI
GALLENNE/ PIETRZYNSKI/ GRACZYK/ PILECKI/ GIEREN/ KERVELLA/ MÉRAND
Target
ID
41643
Name
lambda-Vir
RA
214.777381
DEC
-13.37094
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 56.8110 56.1260 281.0000 281.4000
K0-D0 84.0250 83.1900 257.6000 257.7000
K0-J3 52.7740 52.7110 349.8900 350.5370
G2-D0 39.0980 38.9930 222.3000 222.4000
G2-J3 62.0470 61.8020 48.5430 48.5910
D0-J3 101.0020 100.6530 46.1220 46.1800
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 109.22XY.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60138.08181887
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME lam Vir
HIERARCH ESO INS SOBJ NAME lambda-Vir
RA 214.777381
DEC -13.37094
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 56.811
HIERARCH ESO ISS PBL12 END 56.126
HIERARCH ESO ISS PBLA12 START 281.0
HIERARCH ESO ISS PBLA12 END 281.4
HIERARCH ESO ISS PBL13 START 84.025
HIERARCH ESO ISS PBL13 END 83.19
HIERARCH ESO ISS PBLA13 START 257.6
HIERARCH ESO ISS PBLA13 END 257.7
HIERARCH ESO ISS PBL14 START 52.774
HIERARCH ESO ISS PBL14 END 52.711
HIERARCH ESO ISS PBLA14 START 349.89
HIERARCH ESO ISS PBLA14 END 350.537
HIERARCH ESO ISS PBL23 START 39.098
HIERARCH ESO ISS PBL23 END 38.993
HIERARCH ESO ISS PBLA23 START 222.3
HIERARCH ESO ISS PBLA23 END 222.4
HIERARCH ESO ISS PBL24 START 62.047
HIERARCH ESO ISS PBL24 END 61.802
HIERARCH ESO ISS PBLA24 START 48.543
HIERARCH ESO ISS PBLA24 END 48.591
HIERARCH ESO ISS PBL34 START 101.002
HIERARCH ESO ISS PBL34 END 100.653
HIERARCH ESO ISS PBLA34 START 46.122
HIERARCH ESO ISS PBLA34 END 46.18
HIERARCH ESO ISS AMBI TAU0 START 0.001325
HIERARCH ESO ISS AMBI TAU0 END 0.001325
HIERARCH ESO ISS AMBI TEMP 10.81
HIERARCH ESO ISS AMBI FWHM START 1.86
HIERARCH ESO ISS AMBI FWHM END 1.86