Exposure
ID
GRAVI.2025-03-03T07:40:03.550_1
Header ID
GRAVI.2025-03-03T07:40:03.550
Date updated
2025-03-03 08:10:45 UTC+0000
Release date
2026-03-03 08:10:44 UTC+0000
UTC Start
2025-03-03 07:40:03.550
UTC End
2025-03-03 07:41:23.550
MJD Start
60737.31948553
MJD End
60737.32041145593
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.0032955
Ambient temperature (°C)
13.25
Seeing (arcsec)
1.025
Observation
ID
64943
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
48370
Name
DQ_Leo
RA
176.993163
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 65.3470 64.9560 103.8000 103.7000
A0-J2 113.2550 112.8570 81.6000 81.4000
A0-K0 125.0620 124.9000 66.3400 66.1740
G1-J2 58.2280 58.2290 56.5000 56.4000
G1-K0 83.2550 83.3940 37.8400 37.8300
J2-K0 33.7170 33.7350 4.2640 4.5120
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 60737.31948553
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME DQ-Leo
HIERARCH ESO INS SOBJ NAME DQ_Leo
RA 176.993163
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 65.347
HIERARCH ESO ISS PBL12 END 64.956
HIERARCH ESO ISS PBLA12 START 103.8
HIERARCH ESO ISS PBLA12 END 103.7
HIERARCH ESO ISS PBL13 START 113.255
HIERARCH ESO ISS PBL13 END 112.857
HIERARCH ESO ISS PBLA13 START 81.6
HIERARCH ESO ISS PBLA13 END 81.4
HIERARCH ESO ISS PBL14 START 125.062
HIERARCH ESO ISS PBL14 END 124.9
HIERARCH ESO ISS PBLA14 START 66.34
HIERARCH ESO ISS PBLA14 END 66.174
HIERARCH ESO ISS PBL23 START 58.228
HIERARCH ESO ISS PBL23 END 58.229
HIERARCH ESO ISS PBLA23 START 56.5
HIERARCH ESO ISS PBLA23 END 56.4
HIERARCH ESO ISS PBL24 START 83.255
HIERARCH ESO ISS PBL24 END 83.394
HIERARCH ESO ISS PBLA24 START 37.84
HIERARCH ESO ISS PBLA24 END 37.83
HIERARCH ESO ISS PBL34 START 33.717
HIERARCH ESO ISS PBL34 END 33.735
HIERARCH ESO ISS PBLA34 START 4.264
HIERARCH ESO ISS PBLA34 END 4.512
HIERARCH ESO ISS AMBI TAU0 START 0.003081
HIERARCH ESO ISS AMBI TAU0 END 0.00351
HIERARCH ESO ISS AMBI TEMP 13.25
HIERARCH ESO ISS AMBI FWHM START 1.14
HIERARCH ESO ISS AMBI FWHM END 0.91