Exposure
ID
GRAVI.2023-07-22T00:52:47.418_1
Header ID
GRAVI.2023-07-22T00:52:47.418
Date updated
2023-07-22 01:05:38 UTC+0000
Release date
2024-07-22 01:05:38 UTC+0000
UTC Start
2023-07-22 00:52:47.418
UTC End
2023-07-22 00:56:47.418
MJD Start
60147.03665993
MJD End
60147.03943770778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0028215000000000002
Ambient temperature (°C)
14.57
Seeing (arcsec)
0.5700000000000001
Observation
ID
56351
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
41751
Name
lambda-Vir
RA
214.775097
DEC
-13.37094
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 80.1300 79.5070 126.1000 126.7000
A0-J2 115.3020 114.2410 100.0000 100.3000
A0-K0 118.7720 117.9120 76.6270 76.7780
G1-J2 55.9040 55.6390 60.8000 60.9000
G1-K0 90.3110 90.2490 34.2260 34.4170
J2-K0 47.4580 47.4670 2.3970 2.8800
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 60147.03665993
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME lam Vir
HIERARCH ESO INS SOBJ NAME lambda-Vir
RA 214.775097
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 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 80.13
HIERARCH ESO ISS PBL12 END 79.507
HIERARCH ESO ISS PBLA12 START 126.1
HIERARCH ESO ISS PBLA12 END 126.7
HIERARCH ESO ISS PBL13 START 115.302
HIERARCH ESO ISS PBL13 END 114.241
HIERARCH ESO ISS PBLA13 START 100.0
HIERARCH ESO ISS PBLA13 END 100.3
HIERARCH ESO ISS PBL14 START 118.772
HIERARCH ESO ISS PBL14 END 117.912
HIERARCH ESO ISS PBLA14 START 76.627
HIERARCH ESO ISS PBLA14 END 76.778
HIERARCH ESO ISS PBL23 START 55.904
HIERARCH ESO ISS PBL23 END 55.639
HIERARCH ESO ISS PBLA23 START 60.8
HIERARCH ESO ISS PBLA23 END 60.9
HIERARCH ESO ISS PBL24 START 90.311
HIERARCH ESO ISS PBL24 END 90.249
HIERARCH ESO ISS PBLA24 START 34.226
HIERARCH ESO ISS PBLA24 END 34.417
HIERARCH ESO ISS PBL34 START 47.458
HIERARCH ESO ISS PBL34 END 47.467
HIERARCH ESO ISS PBLA34 START 2.397
HIERARCH ESO ISS PBLA34 END 2.88
HIERARCH ESO ISS AMBI TAU0 START 0.002665
HIERARCH ESO ISS AMBI TAU0 END 0.002978
HIERARCH ESO ISS AMBI TEMP 14.57
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.53