Exposure
ID
GRAVI.2025-03-10T03:37:24.655_1
Header ID
GRAVI.2025-03-10T03:37:24.655
Date updated
2025-03-10 03:50:42 UTC+0000
Release date
2026-03-10 03:50:42 UTC+0000
UTC Start
2025-03-10 03:37:24.655
UTC End
2025-03-10 03:44:04.655
MJD Start
60744.1509798
MJD End
60744.155609429625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.013707
Ambient temperature (°C)
14.49
Seeing (arcsec)
0.6
Observation
ID
65006
Category
science
Program ID
115.285N.003
Program Title
DO TERTIARY COMPANIONS AFFECT THE FORMATION AND EVOLUTION OF MASSIVE OVERCONTACT BINARY SYSTEMS?
Program Type
Normal
PI / COI
ABDUL-MASIH / FROST / DE MINK / TOONEN / MAHY / ESCORZA
Target
ID
48400
Name
LS3074
RA
172.790014
DEC
-65.74225
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B2 D0 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B2 19.8170 19.9850 118.8000 120.1000
A0-D0 31.9030 31.8750 56.8000 58.3000
A0-C1 20.4680 20.5850 91.5440 93.1160
B2-D0 28.6000 28.5240 19.0000 20.2000
B2-C1 9.5240 9.4990 19.0040 20.1600
D0-C1 19.0750 19.0250 199.0690 200.2260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.285N.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60744.1509798
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V TU Mus
HIERARCH ESO INS SOBJ NAME LS3074
RA 172.790014
DEC -65.74225
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 B2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 C1
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 19.817
HIERARCH ESO ISS PBL12 END 19.985
HIERARCH ESO ISS PBLA12 START 118.8
HIERARCH ESO ISS PBLA12 END 120.1
HIERARCH ESO ISS PBL13 START 31.903
HIERARCH ESO ISS PBL13 END 31.875
HIERARCH ESO ISS PBLA13 START 56.8
HIERARCH ESO ISS PBLA13 END 58.3
HIERARCH ESO ISS PBL14 START 20.468
HIERARCH ESO ISS PBL14 END 20.585
HIERARCH ESO ISS PBLA14 START 91.544
HIERARCH ESO ISS PBLA14 END 93.116
HIERARCH ESO ISS PBL23 START 28.6
HIERARCH ESO ISS PBL23 END 28.524
HIERARCH ESO ISS PBLA23 START 19.0
HIERARCH ESO ISS PBLA23 END 20.2
HIERARCH ESO ISS PBL24 START 9.524
HIERARCH ESO ISS PBL24 END 9.499
HIERARCH ESO ISS PBLA24 START 19.004
HIERARCH ESO ISS PBLA24 END 20.16
HIERARCH ESO ISS PBL34 START 19.075
HIERARCH ESO ISS PBL34 END 19.025
HIERARCH ESO ISS PBLA34 START 199.069
HIERARCH ESO ISS PBLA34 END 200.226
HIERARCH ESO ISS AMBI TAU0 START 0.013707
HIERARCH ESO ISS AMBI TAU0 END 0.013707
HIERARCH ESO ISS AMBI TEMP 14.49
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6