Exposure
ID
GRAVI.2023-07-30T03:32:33.566_1
Header ID
GRAVI.2023-07-30T03:32:33.566
Date updated
2023-07-30 03:45:43 UTC+0000
Release date
2024-07-30 03:45:43 UTC+0000
UTC Start
2023-07-30 03:32:33.566
UTC End
2023-07-30 03:35:13.566
MJD Start
60155.14761072
MJD End
60155.149462571855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004786
Ambient temperature (°C)
17.31
Seeing (arcsec)
0.81
Observation
ID
56464
Category
science
Program ID
111.252J.002
Program Title
THE BINARY OR A PLANET: WHAT CAUSES THE LARGE CAVITIES AROUND POST-MAIN SEQUENCE DISCS?
Program Type
Normal
PI / COI
CORPORAAL/ KLUSKA/ VAN WINCKEL
Target
ID
41843
Name
EP_Lyr
RA
289.584003
DEC
27.85067
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 39.8260 40.1110 38.8000 39.0000
U1-U3 76.3560 76.9130 46.2000 46.3000
U1-U4 120.1170 120.6480 70.7870 70.5320
U2-U3 37.2100 37.4660 54.1000 54.0000
U2-U4 88.8560 88.9650 84.5070 84.1700
U3-U4 59.8170 59.6140 102.8700 102.5700
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.252J.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60155.14761072
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME V EP Lyr
HIERARCH ESO INS SOBJ NAME EP_Lyr
RA 289.584003
DEC 27.85067
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 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 39.826
HIERARCH ESO ISS PBL12 END 40.111
HIERARCH ESO ISS PBLA12 START 38.8
HIERARCH ESO ISS PBLA12 END 39.0
HIERARCH ESO ISS PBL13 START 76.356
HIERARCH ESO ISS PBL13 END 76.913
HIERARCH ESO ISS PBLA13 START 46.2
HIERARCH ESO ISS PBLA13 END 46.3
HIERARCH ESO ISS PBL14 START 120.117
HIERARCH ESO ISS PBL14 END 120.648
HIERARCH ESO ISS PBLA14 START 70.787
HIERARCH ESO ISS PBLA14 END 70.532
HIERARCH ESO ISS PBL23 START 37.21
HIERARCH ESO ISS PBL23 END 37.466
HIERARCH ESO ISS PBLA23 START 54.1
HIERARCH ESO ISS PBLA23 END 54.0
HIERARCH ESO ISS PBL24 START 88.856
HIERARCH ESO ISS PBL24 END 88.965
HIERARCH ESO ISS PBLA24 START 84.507
HIERARCH ESO ISS PBLA24 END 84.17
HIERARCH ESO ISS PBL34 START 59.817
HIERARCH ESO ISS PBL34 END 59.614
HIERARCH ESO ISS PBLA34 START 102.87
HIERARCH ESO ISS PBLA34 END 102.57
HIERARCH ESO ISS AMBI TAU0 START 0.004786
HIERARCH ESO ISS AMBI TAU0 END 0.004786
HIERARCH ESO ISS AMBI TEMP 17.31
HIERARCH ESO ISS AMBI FWHM START 0.81
HIERARCH ESO ISS AMBI FWHM END 0.81