Exposure
ID
GRAVI.2024-04-25T00:17:40.849_1
Header ID
GRAVI.2024-04-25T00:17:40.849
Date updated
2024-04-25 00:30:42 UTC+0000
Release date
2025-04-25 00:30:42 UTC+0000
UTC Start
2024-04-25 00:17:40.849
UTC End
2024-04-25 00:24:20.849
MJD Start
60425.01227834
MJD End
60425.0169079696
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.007883
Ambient temperature (°C)
15.39
Seeing (arcsec)
0.765
Observation
ID
58940
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
43629
Name
BFCen
RA
174.075117
DEC
-61.46693
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 50.0620 49.9620 14.6000 15.7000
U1-U3 93.3800 93.1600 20.5000 21.7000
U1-U4 129.2540 129.0900 43.4830 44.9340
U2-U3 43.8880 43.7810 27.2000 28.5000
U2-U4 88.8010 88.9270 59.3030 60.8760
U3-U4 56.6370 57.0090 83.6100 85.1730
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 60425.01227834
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V BF Cen
HIERARCH ESO INS SOBJ NAME BFCen
RA 174.075117
DEC -61.46693
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 50.062
HIERARCH ESO ISS PBL12 END 49.962
HIERARCH ESO ISS PBLA12 START 14.6
HIERARCH ESO ISS PBLA12 END 15.7
HIERARCH ESO ISS PBL13 START 93.38
HIERARCH ESO ISS PBL13 END 93.16
HIERARCH ESO ISS PBLA13 START 20.5
HIERARCH ESO ISS PBLA13 END 21.7
HIERARCH ESO ISS PBL14 START 129.254
HIERARCH ESO ISS PBL14 END 129.09
HIERARCH ESO ISS PBLA14 START 43.483
HIERARCH ESO ISS PBLA14 END 44.934
HIERARCH ESO ISS PBL23 START 43.888
HIERARCH ESO ISS PBL23 END 43.781
HIERARCH ESO ISS PBLA23 START 27.2
HIERARCH ESO ISS PBLA23 END 28.5
HIERARCH ESO ISS PBL24 START 88.801
HIERARCH ESO ISS PBL24 END 88.927
HIERARCH ESO ISS PBLA24 START 59.303
HIERARCH ESO ISS PBLA24 END 60.876
HIERARCH ESO ISS PBL34 START 56.637
HIERARCH ESO ISS PBL34 END 57.009
HIERARCH ESO ISS PBLA34 START 83.61
HIERARCH ESO ISS PBLA34 END 85.173
HIERARCH ESO ISS AMBI TAU0 START 0.007883
HIERARCH ESO ISS AMBI TAU0 END 0.007883
HIERARCH ESO ISS AMBI TEMP 15.39
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.77