Exposure
ID
GRAVI.2023-05-22T03:24:41.439_1
Header ID
GRAVI.2023-05-22T03:24:41.439
Date updated
2023-05-22 03:36:04 UTC+0000
Release date
2024-05-22 03:36:04 UTC+0000
UTC Start
2023-05-22 03:24:41.439
UTC End
2023-05-22 03:27:21.439
MJD Start
60086.14214628
MJD End
60086.1439981319
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003508
Ambient temperature (°C)
12.61
Seeing (arcsec)
0.53
Observation
ID
55526
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
41126
Name
alf_Ara
RA
262.956653
DEC
-49.8765
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 71.3810 71.8390 81.9000 82.5000
A0-J2 114.4520 114.8710 57.0000 57.7000
A0-K0 123.7810 123.9480 38.1510 38.8170
G1-J2 58.0620 58.0770 25.9000 26.5000
G1-K0 87.4750 87.4610 3.7990 4.2410
J2-K0 40.1280 40.2390 330.8520 331.1340
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 60086.14214628
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME alf Ara
HIERARCH ESO INS SOBJ NAME alf_Ara
RA 262.956653
DEC -49.8765
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 71.381
HIERARCH ESO ISS PBL12 END 71.839
HIERARCH ESO ISS PBLA12 START 81.9
HIERARCH ESO ISS PBLA12 END 82.5
HIERARCH ESO ISS PBL13 START 114.452
HIERARCH ESO ISS PBL13 END 114.871
HIERARCH ESO ISS PBLA13 START 57.0
HIERARCH ESO ISS PBLA13 END 57.7
HIERARCH ESO ISS PBL14 START 123.781
HIERARCH ESO ISS PBL14 END 123.948
HIERARCH ESO ISS PBLA14 START 38.151
HIERARCH ESO ISS PBLA14 END 38.817
HIERARCH ESO ISS PBL23 START 58.062
HIERARCH ESO ISS PBL23 END 58.077
HIERARCH ESO ISS PBLA23 START 25.9
HIERARCH ESO ISS PBLA23 END 26.5
HIERARCH ESO ISS PBL24 START 87.475
HIERARCH ESO ISS PBL24 END 87.461
HIERARCH ESO ISS PBLA24 START 3.799
HIERARCH ESO ISS PBLA24 END 4.241
HIERARCH ESO ISS PBL34 START 40.128
HIERARCH ESO ISS PBL34 END 40.239
HIERARCH ESO ISS PBLA34 START 330.852
HIERARCH ESO ISS PBLA34 END 331.134
HIERARCH ESO ISS AMBI TAU0 START 0.003508
HIERARCH ESO ISS AMBI TAU0 END 0.003508
HIERARCH ESO ISS AMBI TEMP 12.61
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53