Exposure
ID
GRAVI.2022-05-17T04:29:25.104_1
Header ID
GRAVI.2022-05-17T04:29:25.104
Date updated
2022-05-17 04:40:58 UTC+0000
Release date
2023-05-17 04:40:58 UTC+0000
UTC Start
2022-05-17 04:29:25.104
UTC End
2022-05-17 04:33:25.104
MJD Start
59716.18709611
MJD End
59716.1898738878
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.002562
Ambient temperature (°C)
10.73
Seeing (arcsec)
1.135
Observation
ID
50844
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
37926
Name
lambda-Vir
RA
214.776246
DEC
-13.37095
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 85.4750 85.0060 121.2000 121.6000
A0-J2 123.7530 123.0650 96.9000 97.2000
A0-J3 132.0080 131.8480 50.7790 50.9730
G1-J2 57.7460 57.6230 59.4000 59.6000
G1-J3 130.9910 131.0690 12.8470 13.2450
J2-J3 100.4750 100.3770 348.1720 348.6960
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 59716.18709611
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME lam Vir
HIERARCH ESO INS SOBJ NAME lambda-Vir
RA 214.776246
DEC -13.37095
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 J3
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 85.475
HIERARCH ESO ISS PBL12 END 85.006
HIERARCH ESO ISS PBLA12 START 121.2
HIERARCH ESO ISS PBLA12 END 121.6
HIERARCH ESO ISS PBL13 START 123.753
HIERARCH ESO ISS PBL13 END 123.065
HIERARCH ESO ISS PBLA13 START 96.9
HIERARCH ESO ISS PBLA13 END 97.2
HIERARCH ESO ISS PBL14 START 132.008
HIERARCH ESO ISS PBL14 END 131.848
HIERARCH ESO ISS PBLA14 START 50.779
HIERARCH ESO ISS PBLA14 END 50.973
HIERARCH ESO ISS PBL23 START 57.746
HIERARCH ESO ISS PBL23 END 57.623
HIERARCH ESO ISS PBLA23 START 59.4
HIERARCH ESO ISS PBLA23 END 59.6
HIERARCH ESO ISS PBL24 START 130.991
HIERARCH ESO ISS PBL24 END 131.069
HIERARCH ESO ISS PBLA24 START 12.847
HIERARCH ESO ISS PBLA24 END 13.245
HIERARCH ESO ISS PBL34 START 100.475
HIERARCH ESO ISS PBL34 END 100.377
HIERARCH ESO ISS PBLA34 START 348.172
HIERARCH ESO ISS PBLA34 END 348.696
HIERARCH ESO ISS AMBI TAU0 START 0.002408
HIERARCH ESO ISS AMBI TAU0 END 0.002716
HIERARCH ESO ISS AMBI TEMP 10.73
HIERARCH ESO ISS AMBI FWHM START 1.15
HIERARCH ESO ISS AMBI FWHM END 1.12