Exposure
ID
GRAVI.2025-03-20T06:30:12.260_1
Header ID
GRAVI.2025-03-20T06:30:12.260
Date updated
2025-03-20 06:40:53 UTC+0000
Release date
2026-03-20 06:40:52 UTC+0000
UTC Start
2025-03-20 06:30:12.260
UTC End
2025-03-20 06:31:32.260
MJD Start
60754.27097523
MJD End
60754.271901155924
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.004143
Ambient temperature (°C)
14.93
Seeing (arcsec)
0.82
Observation
ID
65716
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
48891
Name
DQ_Leo
RA
176.99316
DEC
20.21891
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 66.0940 65.7070 103.9000 103.8000
A0-J2 114.0080 113.6180 81.9000 81.7000
A0-K0 125.3620 125.2080 66.6600 66.4950
G1-J2 58.2210 58.2250 56.8000 56.6000
G1-K0 82.9830 83.1250 37.8600 37.8510
J2-K0 33.6860 33.7020 3.7890 4.0370
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 60754.27097523
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME DQ-Leo
HIERARCH ESO INS SOBJ NAME DQ_Leo
RA 176.99316
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 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 66.094
HIERARCH ESO ISS PBL12 END 65.707
HIERARCH ESO ISS PBLA12 START 103.9
HIERARCH ESO ISS PBLA12 END 103.8
HIERARCH ESO ISS PBL13 START 114.008
HIERARCH ESO ISS PBL13 END 113.618
HIERARCH ESO ISS PBLA13 START 81.9
HIERARCH ESO ISS PBLA13 END 81.7
HIERARCH ESO ISS PBL14 START 125.362
HIERARCH ESO ISS PBL14 END 125.208
HIERARCH ESO ISS PBLA14 START 66.66
HIERARCH ESO ISS PBLA14 END 66.495
HIERARCH ESO ISS PBL23 START 58.221
HIERARCH ESO ISS PBL23 END 58.225
HIERARCH ESO ISS PBLA23 START 56.8
HIERARCH ESO ISS PBLA23 END 56.6
HIERARCH ESO ISS PBL24 START 82.983
HIERARCH ESO ISS PBL24 END 83.125
HIERARCH ESO ISS PBLA24 START 37.86
HIERARCH ESO ISS PBLA24 END 37.851
HIERARCH ESO ISS PBL34 START 33.686
HIERARCH ESO ISS PBL34 END 33.702
HIERARCH ESO ISS PBLA34 START 3.789
HIERARCH ESO ISS PBLA34 END 4.037
HIERARCH ESO ISS AMBI TAU0 START 0.00363
HIERARCH ESO ISS AMBI TAU0 END 0.004656
HIERARCH ESO ISS AMBI TEMP 14.93
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82