Exposure
ID
GRAVI.2025-02-07T08:57:55.587_1
Header ID
GRAVI.2025-02-07T08:57:55.587
Date updated
2025-02-07 09:05:46 UTC+0000
Release date
2026-02-07 09:05:46 UTC+0000
UTC Start
2025-02-07 08:57:55.587
UTC End
2025-02-07 08:59:15.587
MJD Start
60713.37356003
MJD End
60713.37448595592
Exposure time (s)
80.0
Validation level
1
Tau 0: Coherence time (s)
0.004852
Ambient temperature (°C)
13.21
Seeing (arcsec)
1.29
Observation
ID
63688
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
47442
Name
DQ_Leo
RA
176.994349
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 30.8760 30.7680 153.6000 153.9000
A0-J2 117.1860 116.8310 83.3000 83.1000
A0-J6 153.2410 153.5310 37.8860 37.8890
B5-J2 110.7080 110.6050 68.0000 67.9000
B5-J6 168.9650 169.3070 28.4120 28.4890
J2-J6 109.4910 109.3240 348.2580 348.5470
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 60713.37356003
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME DQ-Leo
HIERARCH ESO INS SOBJ NAME DQ_Leo
RA 176.994349
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 30.876
HIERARCH ESO ISS PBL12 END 30.768
HIERARCH ESO ISS PBLA12 START 153.6
HIERARCH ESO ISS PBLA12 END 153.9
HIERARCH ESO ISS PBL13 START 117.186
HIERARCH ESO ISS PBL13 END 116.831
HIERARCH ESO ISS PBLA13 START 83.3
HIERARCH ESO ISS PBLA13 END 83.1
HIERARCH ESO ISS PBL14 START 153.241
HIERARCH ESO ISS PBL14 END 153.531
HIERARCH ESO ISS PBLA14 START 37.886
HIERARCH ESO ISS PBLA14 END 37.889
HIERARCH ESO ISS PBL23 START 110.708
HIERARCH ESO ISS PBL23 END 110.605
HIERARCH ESO ISS PBLA23 START 68.0
HIERARCH ESO ISS PBLA23 END 67.9
HIERARCH ESO ISS PBL24 START 168.965
HIERARCH ESO ISS PBL24 END 169.307
HIERARCH ESO ISS PBLA24 START 28.412
HIERARCH ESO ISS PBLA24 END 28.489
HIERARCH ESO ISS PBL34 START 109.491
HIERARCH ESO ISS PBL34 END 109.324
HIERARCH ESO ISS PBLA34 START 348.258
HIERARCH ESO ISS PBLA34 END 348.547
HIERARCH ESO ISS AMBI TAU0 START 0.004852
HIERARCH ESO ISS AMBI TAU0 END 0.004852
HIERARCH ESO ISS AMBI TEMP 13.21
HIERARCH ESO ISS AMBI FWHM START 1.29
HIERARCH ESO ISS AMBI FWHM END 1.29