Exposure
ID
GRAVI.2023-07-30T03:19:15.533_1
Header ID
GRAVI.2023-07-30T03:19:15.533
Date updated
2023-07-30 03:30:25 UTC+0000
Release date
2024-07-30 03:30:25 UTC+0000
UTC Start
2023-07-30 03:19:15.533
UTC End
2023-07-30 03:21:55.533
MJD Start
60155.13837422
MJD End
60155.14022607185
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 38.5220 38.8080 38.0000 38.2000
U1-U3 73.7780 74.3470 45.9000 45.9000
U1-U4 117.5270 118.1170 71.9250 71.6790
U2-U3 36.0050 36.2740 54.3000 54.2000
U2-U4 88.2220 88.3810 86.0320 85.7000
U3-U4 60.6420 60.4750 104.2400 103.9390
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 60155.13837422
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 38.522
HIERARCH ESO ISS PBL12 END 38.808
HIERARCH ESO ISS PBLA12 START 38.0
HIERARCH ESO ISS PBLA12 END 38.2
HIERARCH ESO ISS PBL13 START 73.778
HIERARCH ESO ISS PBL13 END 74.347
HIERARCH ESO ISS PBLA13 START 45.9
HIERARCH ESO ISS PBLA13 END 45.9
HIERARCH ESO ISS PBL14 START 117.527
HIERARCH ESO ISS PBL14 END 118.117
HIERARCH ESO ISS PBLA14 START 71.925
HIERARCH ESO ISS PBLA14 END 71.679
HIERARCH ESO ISS PBL23 START 36.005
HIERARCH ESO ISS PBL23 END 36.274
HIERARCH ESO ISS PBLA23 START 54.3
HIERARCH ESO ISS PBLA23 END 54.2
HIERARCH ESO ISS PBL24 START 88.222
HIERARCH ESO ISS PBL24 END 88.381
HIERARCH ESO ISS PBLA24 START 86.032
HIERARCH ESO ISS PBLA24 END 85.7
HIERARCH ESO ISS PBL34 START 60.642
HIERARCH ESO ISS PBL34 END 60.475
HIERARCH ESO ISS PBLA34 START 104.24
HIERARCH ESO ISS PBLA34 END 103.939
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