Exposure
ID
GRAVI.2023-05-22T04:20:41.580_1
Header ID
GRAVI.2023-05-22T04:20:41.580
Date updated
2023-05-22 04:31:07 UTC+0000
Release date
2024-05-22 04:31:07 UTC+0000
UTC Start
2023-05-22 04:20:41.580
UTC End
2023-05-22 04:23:21.580
MJD Start
60086.18103681
MJD End
60086.1828886619
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.004144
Ambient temperature (°C)
12.55
Seeing (arcsec)
0.47
Observation
ID
55527
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
41127
Name
chi_Oph
RA
246.753623
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 89.5370 89.6810 112.1000 112.3000
A0-J2 126.4990 126.8130 88.8000 89.0000
A0-K0 124.5570 124.8800 66.4620 66.7650
G1-J2 56.7030 56.8250 50.1000 50.4000
G1-K0 89.0210 89.0900 20.5230 20.8790
J2-K0 48.5590 48.5500 345.3560 345.6370
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 60086.18103681
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME chi Oph
HIERARCH ESO INS SOBJ NAME chi_Oph
RA 246.753623
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 89.537
HIERARCH ESO ISS PBL12 END 89.681
HIERARCH ESO ISS PBLA12 START 112.1
HIERARCH ESO ISS PBLA12 END 112.3
HIERARCH ESO ISS PBL13 START 126.499
HIERARCH ESO ISS PBL13 END 126.813
HIERARCH ESO ISS PBLA13 START 88.8
HIERARCH ESO ISS PBLA13 END 89.0
HIERARCH ESO ISS PBL14 START 124.557
HIERARCH ESO ISS PBL14 END 124.88
HIERARCH ESO ISS PBLA14 START 66.462
HIERARCH ESO ISS PBLA14 END 66.765
HIERARCH ESO ISS PBL23 START 56.703
HIERARCH ESO ISS PBL23 END 56.825
HIERARCH ESO ISS PBLA23 START 50.1
HIERARCH ESO ISS PBLA23 END 50.4
HIERARCH ESO ISS PBL24 START 89.021
HIERARCH ESO ISS PBL24 END 89.09
HIERARCH ESO ISS PBLA24 START 20.523
HIERARCH ESO ISS PBLA24 END 20.879
HIERARCH ESO ISS PBL34 START 48.559
HIERARCH ESO ISS PBL34 END 48.55
HIERARCH ESO ISS PBLA34 START 345.356
HIERARCH ESO ISS PBLA34 END 345.637
HIERARCH ESO ISS AMBI TAU0 START 0.003856
HIERARCH ESO ISS AMBI TAU0 END 0.004432
HIERARCH ESO ISS AMBI TEMP 12.55
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.42