Exposure
ID
GRAVI.2024-07-09T23:13:09.903_1
Header ID
GRAVI.2024-07-09T23:13:09.903
Date updated
2024-07-09 23:20:39 UTC+0000
Release date
2025-07-09 23:20:39 UTC+0000
UTC Start
2024-07-09 23:13:09.903
UTC End
2024-07-09 23:14:29.903
MJD Start
60500.96747573
MJD End
60500.9684016559
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.0021645
Ambient temperature (°C)
7.4
Seeing (arcsec)
0.73
Observation
ID
59994
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
44518
Name
DQ_Leo
RA
176.994367
DEC
20.21891
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 29.7020 29.6060 156.9000 157.2000
A0-J2 112.9230 112.5260 81.4000 81.3000
A0-J6 156.3560 156.6120 37.8420 37.8290
B5-J2 109.3180 109.1750 66.2000 66.0000
B5-J6 172.7470 173.0710 29.1960 29.2550
J2-J6 107.8250 107.7080 351.5980 351.8960
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 60500.96747573
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME DQ-Leo
HIERARCH ESO INS SOBJ NAME DQ_Leo
RA 176.994367
DEC 20.21891
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 29.702
HIERARCH ESO ISS PBL12 END 29.606
HIERARCH ESO ISS PBLA12 START 156.9
HIERARCH ESO ISS PBLA12 END 157.2
HIERARCH ESO ISS PBL13 START 112.923
HIERARCH ESO ISS PBL13 END 112.526
HIERARCH ESO ISS PBLA13 START 81.4
HIERARCH ESO ISS PBLA13 END 81.3
HIERARCH ESO ISS PBL14 START 156.356
HIERARCH ESO ISS PBL14 END 156.612
HIERARCH ESO ISS PBLA14 START 37.842
HIERARCH ESO ISS PBLA14 END 37.829
HIERARCH ESO ISS PBL23 START 109.318
HIERARCH ESO ISS PBL23 END 109.175
HIERARCH ESO ISS PBLA23 START 66.2
HIERARCH ESO ISS PBLA23 END 66.0
HIERARCH ESO ISS PBL24 START 172.747
HIERARCH ESO ISS PBL24 END 173.071
HIERARCH ESO ISS PBLA24 START 29.196
HIERARCH ESO ISS PBLA24 END 29.255
HIERARCH ESO ISS PBL34 START 107.825
HIERARCH ESO ISS PBL34 END 107.708
HIERARCH ESO ISS PBLA34 START 351.598
HIERARCH ESO ISS PBLA34 END 351.896
HIERARCH ESO ISS AMBI TAU0 START 0.001579
HIERARCH ESO ISS AMBI TAU0 END 0.00275
HIERARCH ESO ISS AMBI TEMP 7.4
HIERARCH ESO ISS AMBI FWHM START 0.71
HIERARCH ESO ISS AMBI FWHM END 0.75