Exposure
ID
GRAVI.2023-07-20T03:47:14.501_1
Header ID
GRAVI.2023-07-20T03:47:14.501
Date updated
2023-07-20 04:00:39 UTC+0000
Release date
2024-07-20 04:00:39 UTC+0000
UTC Start
2023-07-20 03:47:14.501
UTC End
2023-07-20 03:49:54.501
MJD Start
60145.15780673
MJD End
60145.1596585819
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004534
Ambient temperature (°C)
17.23
Seeing (arcsec)
0.38
Observation
ID
56305
Category
science
Program ID
111.24TN.001
Program Title
SUBDWARF COMPANIONS AND THE ORIGIN OF BE STARS: TOWARDS THE FIRST SET OF FUNDAMENTAL PARAMETERS
Program Type
Normal
PI / COI
KLEMENT/ RIVINIUS/ BAADE/ MÉRAND
Target
ID
41711
Name
chi_Oph
RA
246.753622
DEC
-18.45637
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 77.0590 76.6450 134.4000 135.0000
A0-J2 106.0900 105.2250 106.9000 107.3000
A0-K0 108.4770 107.6530 80.9020 81.0660
G1-J2 51.9370 51.6470 63.5000 63.6000
G1-K0 88.1450 87.9960 36.2260 36.3270
J2-K0 48.2910 48.3000 6.6500 6.9670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24TN.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60145.15780673
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME chi Oph
HIERARCH ESO INS SOBJ NAME chi_Oph
RA 246.753622
DEC -18.45637
HIERARCH ESO INS SPEC RES HIGH
HIERARCH ESO INS POLA MODE COMBINED
HIERARCH ESO ISS CONF NTEL 4
HIERARCH ESO ISS CONF STATION1 A0
HIERARCH ESO ISS CONF STATION2 G1
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 K0
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 77.059
HIERARCH ESO ISS PBL12 END 76.645
HIERARCH ESO ISS PBLA12 START 134.4
HIERARCH ESO ISS PBLA12 END 135.0
HIERARCH ESO ISS PBL13 START 106.09
HIERARCH ESO ISS PBL13 END 105.225
HIERARCH ESO ISS PBLA13 START 106.9
HIERARCH ESO ISS PBLA13 END 107.3
HIERARCH ESO ISS PBL14 START 108.477
HIERARCH ESO ISS PBL14 END 107.653
HIERARCH ESO ISS PBLA14 START 80.902
HIERARCH ESO ISS PBLA14 END 81.066
HIERARCH ESO ISS PBL23 START 51.937
HIERARCH ESO ISS PBL23 END 51.647
HIERARCH ESO ISS PBLA23 START 63.5
HIERARCH ESO ISS PBLA23 END 63.6
HIERARCH ESO ISS PBL24 START 88.145
HIERARCH ESO ISS PBL24 END 87.996
HIERARCH ESO ISS PBLA24 START 36.226
HIERARCH ESO ISS PBLA24 END 36.327
HIERARCH ESO ISS PBL34 START 48.291
HIERARCH ESO ISS PBL34 END 48.3
HIERARCH ESO ISS PBLA34 START 6.65
HIERARCH ESO ISS PBLA34 END 6.967
HIERARCH ESO ISS AMBI TAU0 START 0.004534
HIERARCH ESO ISS AMBI TAU0 END 0.004534
HIERARCH ESO ISS AMBI TEMP 17.23
HIERARCH ESO ISS AMBI FWHM START 0.38
HIERARCH ESO ISS AMBI FWHM END 0.38