Exposure
ID
GRAVI.2024-04-27T00:48:43.678_1
Header ID
GRAVI.2024-04-27T00:48:43.678
Date updated
2024-04-27 01:05:17 UTC+0000
Release date
2025-04-27 01:05:17 UTC+0000
UTC Start
2024-04-27 00:48:43.678
UTC End
2024-04-27 00:55:23.678
MJD Start
60427.03383886
MJD End
60427.0384684896
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004276
Ambient temperature (°C)
16.39
Seeing (arcsec)
0.86
Observation
ID
58957
Category
science
Program ID
113.26K8.004
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
Target
ID
43642
Name
MPCen
RA
175.945012
DEC
-61.74311
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
U1 U2 U3 U4
Projected baselines
Baseline Length start Length end Angle start Angle end
U1-U2 49.4240 49.2880 19.6000 20.7000
U1-U3 92.0750 91.7880 25.9000 27.0000
U1-U4 128.2920 128.0380 50.0690 51.5060
U2-U3 43.2790 43.1400 33.0000 34.2000
U2-U4 89.2760 89.3370 66.3640 67.9110
U3-U4 58.2320 58.5490 90.5060 92.0290
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26K8.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60427.03383886
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V MP Cen
HIERARCH ESO INS SOBJ NAME MPCen
RA 175.945012
DEC -61.74311
HIERARCH ESO INS SPEC RES MEDIUM
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 U1
HIERARCH ESO ISS CONF STATION2 U2
HIERARCH ESO ISS CONF STATION3 U3
HIERARCH ESO ISS CONF STATION4 U4
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 49.424
HIERARCH ESO ISS PBL12 END 49.288
HIERARCH ESO ISS PBLA12 START 19.6
HIERARCH ESO ISS PBLA12 END 20.7
HIERARCH ESO ISS PBL13 START 92.075
HIERARCH ESO ISS PBL13 END 91.788
HIERARCH ESO ISS PBLA13 START 25.9
HIERARCH ESO ISS PBLA13 END 27.0
HIERARCH ESO ISS PBL14 START 128.292
HIERARCH ESO ISS PBL14 END 128.038
HIERARCH ESO ISS PBLA14 START 50.069
HIERARCH ESO ISS PBLA14 END 51.506
HIERARCH ESO ISS PBL23 START 43.279
HIERARCH ESO ISS PBL23 END 43.14
HIERARCH ESO ISS PBLA23 START 33.0
HIERARCH ESO ISS PBLA23 END 34.2
HIERARCH ESO ISS PBL24 START 89.276
HIERARCH ESO ISS PBL24 END 89.337
HIERARCH ESO ISS PBLA24 START 66.364
HIERARCH ESO ISS PBLA24 END 67.911
HIERARCH ESO ISS PBL34 START 58.232
HIERARCH ESO ISS PBL34 END 58.549
HIERARCH ESO ISS PBLA34 START 90.506
HIERARCH ESO ISS PBLA34 END 92.029
HIERARCH ESO ISS AMBI TAU0 START 0.003813
HIERARCH ESO ISS AMBI TAU0 END 0.004739
HIERARCH ESO ISS AMBI TEMP 16.39
HIERARCH ESO ISS AMBI FWHM START 1.02
HIERARCH ESO ISS AMBI FWHM END 0.7