Exposure
ID
GRAVI.2023-08-18T03:58:40.930_1
Header ID
GRAVI.2023-08-18T03:58:40.930
Date updated
2023-08-18 04:10:24 UTC+0000
Release date
2023-08-18 03:58:40 UTC+0000
UTC Start
2023-08-18 03:58:40.930
UTC End
2023-08-18 04:02:40.930
MJD Start
60174.16575151
MJD End
60174.16852928778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0026170000000000004
Ambient temperature (°C)
11.64
Seeing (arcsec)
0.775
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 87.2120 87.1010 158.2000 159.2000
A0-J2 110.0290 109.4900 139.9000 141.0000
A0-K0 92.6930 91.7140 116.6970 117.8000
G1-J2 38.6120 38.0700 94.7000 95.6000
G1-K0 63.9230 63.2910 52.0480 52.3960
J2-K0 44.1400 44.0700 15.6710 16.1410
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 60174.16575151
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 87.212
HIERARCH ESO ISS PBL12 END 87.101
HIERARCH ESO ISS PBLA12 START 158.2
HIERARCH ESO ISS PBLA12 END 159.2
HIERARCH ESO ISS PBL13 START 110.029
HIERARCH ESO ISS PBL13 END 109.49
HIERARCH ESO ISS PBLA13 START 139.9
HIERARCH ESO ISS PBLA13 END 141.0
HIERARCH ESO ISS PBL14 START 92.693
HIERARCH ESO ISS PBL14 END 91.714
HIERARCH ESO ISS PBLA14 START 116.697
HIERARCH ESO ISS PBLA14 END 117.8
HIERARCH ESO ISS PBL23 START 38.612
HIERARCH ESO ISS PBL23 END 38.07
HIERARCH ESO ISS PBLA23 START 94.7
HIERARCH ESO ISS PBLA23 END 95.6
HIERARCH ESO ISS PBL24 START 63.923
HIERARCH ESO ISS PBL24 END 63.291
HIERARCH ESO ISS PBLA24 START 52.048
HIERARCH ESO ISS PBLA24 END 52.396
HIERARCH ESO ISS PBL34 START 44.14
HIERARCH ESO ISS PBL34 END 44.07
HIERARCH ESO ISS PBLA34 START 15.671
HIERARCH ESO ISS PBLA34 END 16.141
HIERARCH ESO ISS AMBI TAU0 START 0.00254
HIERARCH ESO ISS AMBI TAU0 END 0.002694
HIERARCH ESO ISS AMBI TEMP 11.64
HIERARCH ESO ISS AMBI FWHM START 0.77
HIERARCH ESO ISS AMBI FWHM END 0.78