Exposure
ID
GRAVI.2025-02-19T08:13:31.133_1
Header ID
GRAVI.2025-02-19T08:13:31.133
Date updated
2025-02-19 08:21:02 UTC+0000
Release date
2026-02-19 08:21:02 UTC+0000
UTC Start
2025-02-19 08:13:31.133
UTC End
2025-02-19 08:14:51.133
MJD Start
60725.34272145
MJD End
60725.34364737592
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.004891
Ambient temperature (°C)
10.94
Seeing (arcsec)
1.35
Observation
ID
64765
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
48228
Name
DQ_Leo
RA
176.994348
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 30.6860 30.5790 154.1000 154.4000
A0-J2 116.5560 116.1940 83.0000 82.8000
A0-J6 153.7520 154.0370 37.8910 37.8930
B5-J2 110.5220 110.4120 67.8000 67.6000
B5-J6 169.5680 169.9090 28.5470 28.6240
J2-J6 109.1990 109.0400 348.7700 349.0640
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 60725.34272145
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME DQ-Leo
HIERARCH ESO INS SOBJ NAME DQ_Leo
RA 176.994348
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 30.686
HIERARCH ESO ISS PBL12 END 30.579
HIERARCH ESO ISS PBLA12 START 154.1
HIERARCH ESO ISS PBLA12 END 154.4
HIERARCH ESO ISS PBL13 START 116.556
HIERARCH ESO ISS PBL13 END 116.194
HIERARCH ESO ISS PBLA13 START 83.0
HIERARCH ESO ISS PBLA13 END 82.8
HIERARCH ESO ISS PBL14 START 153.752
HIERARCH ESO ISS PBL14 END 154.037
HIERARCH ESO ISS PBLA14 START 37.891
HIERARCH ESO ISS PBLA14 END 37.893
HIERARCH ESO ISS PBL23 START 110.522
HIERARCH ESO ISS PBL23 END 110.412
HIERARCH ESO ISS PBLA23 START 67.8
HIERARCH ESO ISS PBLA23 END 67.6
HIERARCH ESO ISS PBL24 START 169.568
HIERARCH ESO ISS PBL24 END 169.909
HIERARCH ESO ISS PBLA24 START 28.547
HIERARCH ESO ISS PBLA24 END 28.624
HIERARCH ESO ISS PBL34 START 109.199
HIERARCH ESO ISS PBL34 END 109.04
HIERARCH ESO ISS PBLA34 START 348.77
HIERARCH ESO ISS PBLA34 END 349.064
HIERARCH ESO ISS AMBI TAU0 START 0.004891
HIERARCH ESO ISS AMBI TAU0 END 0.004891
HIERARCH ESO ISS AMBI TEMP 10.94
HIERARCH ESO ISS AMBI FWHM START 1.34
HIERARCH ESO ISS AMBI FWHM END 1.36