Exposure
ID
GRAVI.2023-05-22T03:27:56.447_1
Header ID
GRAVI.2023-05-22T03:27:56.447
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 03:27:56.447
UTC End
2023-05-22 03:30:36.447
MJD Start
60086.14440332
MJD End
60086.1462551719
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003508
Ambient temperature (°C)
12.59
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 71.8830 72.3360 82.6000 83.2000
A0-J2 114.9110 115.3280 57.8000 58.5000
A0-K0 123.9640 124.1310 38.8830 39.5450
G1-J2 58.0790 58.0940 26.5000 27.1000
G1-K0 87.4600 87.4440 4.2850 4.7270
J2-K0 40.2500 40.3590 331.1630 331.4480
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 60086.14440332
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 71.883
HIERARCH ESO ISS PBL12 END 72.336
HIERARCH ESO ISS PBLA12 START 82.6
HIERARCH ESO ISS PBLA12 END 83.2
HIERARCH ESO ISS PBL13 START 114.911
HIERARCH ESO ISS PBL13 END 115.328
HIERARCH ESO ISS PBLA13 START 57.8
HIERARCH ESO ISS PBLA13 END 58.5
HIERARCH ESO ISS PBL14 START 123.964
HIERARCH ESO ISS PBL14 END 124.131
HIERARCH ESO ISS PBLA14 START 38.883
HIERARCH ESO ISS PBLA14 END 39.545
HIERARCH ESO ISS PBL23 START 58.079
HIERARCH ESO ISS PBL23 END 58.094
HIERARCH ESO ISS PBLA23 START 26.5
HIERARCH ESO ISS PBLA23 END 27.1
HIERARCH ESO ISS PBL24 START 87.46
HIERARCH ESO ISS PBL24 END 87.444
HIERARCH ESO ISS PBLA24 START 4.285
HIERARCH ESO ISS PBLA24 END 4.727
HIERARCH ESO ISS PBL34 START 40.25
HIERARCH ESO ISS PBL34 END 40.359
HIERARCH ESO ISS PBLA34 START 331.163
HIERARCH ESO ISS PBLA34 END 331.448
HIERARCH ESO ISS AMBI TAU0 START 0.003508
HIERARCH ESO ISS AMBI TAU0 END 0.003508
HIERARCH ESO ISS AMBI TEMP 12.59
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53