Exposure
ID
GRAVI.2023-08-18T03:44:28.894_1
Header ID
GRAVI.2023-08-18T03:44:28.894
Date updated
2023-08-18 03:55:29 UTC+0000
Release date
2023-08-18 03:44:28 UTC+0000
UTC Start
2023-08-18 03:44:28.894
UTC End
2023-08-18 03:48:28.894
MJD Start
60174.15588998
MJD End
60174.15866775778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0032575
Ambient temperature (°C)
11.82
Seeing (arcsec)
0.6799999999999999
Observation
ID
56624
Category
calibrator
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
41955
Name
HD_156138
RA
259.545579
DEC
-48.0536
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 87.5990 87.4800 154.9000 155.9000
A0-J2 111.8660 111.3120 136.2000 137.3000
A0-K0 95.9460 94.9770 113.1310 114.1750
G1-J2 40.3830 39.8600 91.9000 92.8000
G1-K0 65.9660 65.3650 50.8370 51.2020
J2-K0 44.3560 44.2940 14.0730 14.5500
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24TN.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60174.15588998
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 156138
HIERARCH ESO INS SOBJ NAME HD_156138
RA 259.545579
DEC -48.0536
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 256.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 87.599
HIERARCH ESO ISS PBL12 END 87.48
HIERARCH ESO ISS PBLA12 START 154.9
HIERARCH ESO ISS PBLA12 END 155.9
HIERARCH ESO ISS PBL13 START 111.866
HIERARCH ESO ISS PBL13 END 111.312
HIERARCH ESO ISS PBLA13 START 136.2
HIERARCH ESO ISS PBLA13 END 137.3
HIERARCH ESO ISS PBL14 START 95.946
HIERARCH ESO ISS PBL14 END 94.977
HIERARCH ESO ISS PBLA14 START 113.131
HIERARCH ESO ISS PBLA14 END 114.175
HIERARCH ESO ISS PBL23 START 40.383
HIERARCH ESO ISS PBL23 END 39.86
HIERARCH ESO ISS PBLA23 START 91.9
HIERARCH ESO ISS PBLA23 END 92.8
HIERARCH ESO ISS PBL24 START 65.966
HIERARCH ESO ISS PBL24 END 65.365
HIERARCH ESO ISS PBLA24 START 50.837
HIERARCH ESO ISS PBLA24 END 51.202
HIERARCH ESO ISS PBL34 START 44.356
HIERARCH ESO ISS PBL34 END 44.294
HIERARCH ESO ISS PBLA34 START 14.073
HIERARCH ESO ISS PBLA34 END 14.55
HIERARCH ESO ISS AMBI TAU0 START 0.003501
HIERARCH ESO ISS AMBI TAU0 END 0.003014
HIERARCH ESO ISS AMBI TEMP 11.82
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.7