Exposure
ID
GRAVI.2025-03-10T03:30:15.636_1
Header ID
GRAVI.2025-03-10T03:30:15.636
Date updated
2025-03-10 03:45:42 UTC+0000
Release date
2026-03-10 03:45:41 UTC+0000
UTC Start
2025-03-10 03:30:15.636
UTC End
2025-03-10 03:36:55.636
MJD Start
60744.14601431
MJD End
60744.150643939625
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.013707
Ambient temperature (°C)
14.68
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 19.6380 19.8120 117.5000 118.8000
A0-D0 31.9280 31.9040 55.2000 56.7000
A0-C1 20.3430 20.4640 89.9080 91.4890
B2-D0 28.6730 28.6020 17.8000 19.0000
B2-C1 9.5490 9.5250 17.8060 18.9630
D0-C1 19.1250 19.0770 197.8700 199.0280
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 60744.14601431
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 19.638
HIERARCH ESO ISS PBL12 END 19.812
HIERARCH ESO ISS PBLA12 START 117.5
HIERARCH ESO ISS PBLA12 END 118.8
HIERARCH ESO ISS PBL13 START 31.928
HIERARCH ESO ISS PBL13 END 31.904
HIERARCH ESO ISS PBLA13 START 55.2
HIERARCH ESO ISS PBLA13 END 56.7
HIERARCH ESO ISS PBL14 START 20.343
HIERARCH ESO ISS PBL14 END 20.464
HIERARCH ESO ISS PBLA14 START 89.908
HIERARCH ESO ISS PBLA14 END 91.489
HIERARCH ESO ISS PBL23 START 28.673
HIERARCH ESO ISS PBL23 END 28.602
HIERARCH ESO ISS PBLA23 START 17.8
HIERARCH ESO ISS PBLA23 END 19.0
HIERARCH ESO ISS PBL24 START 9.549
HIERARCH ESO ISS PBL24 END 9.525
HIERARCH ESO ISS PBLA24 START 17.806
HIERARCH ESO ISS PBLA24 END 18.963
HIERARCH ESO ISS PBL34 START 19.125
HIERARCH ESO ISS PBL34 END 19.077
HIERARCH ESO ISS PBLA34 START 197.87
HIERARCH ESO ISS PBLA34 END 199.028
HIERARCH ESO ISS AMBI TAU0 START 0.013707
HIERARCH ESO ISS AMBI TAU0 END 0.013707
HIERARCH ESO ISS AMBI TEMP 14.68
HIERARCH ESO ISS AMBI FWHM START 0.6
HIERARCH ESO ISS AMBI FWHM END 0.6