Exposure
ID
GRAVI.2024-04-27T00:34:04.640_1
Header ID
GRAVI.2024-04-27T00:34:04.640
Date updated
2024-04-27 00:50:27 UTC+0000
Release date
2025-04-27 00:50:27 UTC+0000
UTC Start
2024-04-27 00:34:04.640
UTC End
2024-04-27 00:40:44.640
MJD Start
60427.02366482
MJD End
60427.0282944496
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.008061
Ambient temperature (°C)
16.09
Seeing (arcsec)
0.75
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 49.6840 49.5660 17.3000 18.4000
U1-U3 92.6310 92.3770 23.4000 24.5000
U1-U4 128.7620 128.5510 47.0250 48.4650
U2-U3 43.5480 43.4250 30.3000 31.6000
U2-U4 89.1000 89.1910 63.0830 64.6360
U3-U4 57.5250 57.8650 87.2640 88.8000
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 60427.02366482
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 49.684
HIERARCH ESO ISS PBL12 END 49.566
HIERARCH ESO ISS PBLA12 START 17.3
HIERARCH ESO ISS PBLA12 END 18.4
HIERARCH ESO ISS PBL13 START 92.631
HIERARCH ESO ISS PBL13 END 92.377
HIERARCH ESO ISS PBLA13 START 23.4
HIERARCH ESO ISS PBLA13 END 24.5
HIERARCH ESO ISS PBL14 START 128.762
HIERARCH ESO ISS PBL14 END 128.551
HIERARCH ESO ISS PBLA14 START 47.025
HIERARCH ESO ISS PBLA14 END 48.465
HIERARCH ESO ISS PBL23 START 43.548
HIERARCH ESO ISS PBL23 END 43.425
HIERARCH ESO ISS PBLA23 START 30.3
HIERARCH ESO ISS PBLA23 END 31.6
HIERARCH ESO ISS PBL24 START 89.1
HIERARCH ESO ISS PBL24 END 89.191
HIERARCH ESO ISS PBLA24 START 63.083
HIERARCH ESO ISS PBLA24 END 64.636
HIERARCH ESO ISS PBL34 START 57.525
HIERARCH ESO ISS PBL34 END 57.865
HIERARCH ESO ISS PBLA34 START 87.264
HIERARCH ESO ISS PBLA34 END 88.8
HIERARCH ESO ISS AMBI TAU0 START 0.008061
HIERARCH ESO ISS AMBI TAU0 END 0.008061
HIERARCH ESO ISS AMBI TEMP 16.09
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.75