Exposure
ID
GRAVI.2023-07-30T03:25:54.549_1
Header ID
GRAVI.2023-07-30T03:25:54.549
Date updated
2023-07-30 03:35:26 UTC+0000
Release date
2024-07-30 03:35:26 UTC+0000
UTC Start
2023-07-30 03:25:54.549
UTC End
2023-07-30 03:28:34.549
MJD Start
60155.14299247
MJD End
60155.144844321854
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 39.1780 39.4610 38.4000 38.6000
U1-U3 75.0810 75.6420 46.0000 46.1000
U1-U4 118.8620 119.4200 71.3580 71.1100
U2-U3 36.6170 36.8780 54.2000 54.1000
U2-U4 88.5690 88.7020 85.2680 84.9350
U3-U4 60.2480 60.0640 103.5510 103.2530
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 60155.14299247
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 39.178
HIERARCH ESO ISS PBL12 END 39.461
HIERARCH ESO ISS PBLA12 START 38.4
HIERARCH ESO ISS PBLA12 END 38.6
HIERARCH ESO ISS PBL13 START 75.081
HIERARCH ESO ISS PBL13 END 75.642
HIERARCH ESO ISS PBLA13 START 46.0
HIERARCH ESO ISS PBLA13 END 46.1
HIERARCH ESO ISS PBL14 START 118.862
HIERARCH ESO ISS PBL14 END 119.42
HIERARCH ESO ISS PBLA14 START 71.358
HIERARCH ESO ISS PBLA14 END 71.11
HIERARCH ESO ISS PBL23 START 36.617
HIERARCH ESO ISS PBL23 END 36.878
HIERARCH ESO ISS PBLA23 START 54.2
HIERARCH ESO ISS PBLA23 END 54.1
HIERARCH ESO ISS PBL24 START 88.569
HIERARCH ESO ISS PBL24 END 88.702
HIERARCH ESO ISS PBLA24 START 85.268
HIERARCH ESO ISS PBLA24 END 84.935
HIERARCH ESO ISS PBL34 START 60.248
HIERARCH ESO ISS PBL34 END 60.064
HIERARCH ESO ISS PBLA34 START 103.551
HIERARCH ESO ISS PBLA34 END 103.253
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