Exposure
ID
GRAVI.2023-05-22T03:17:56.421_1
Header ID
GRAVI.2023-05-22T03:17:56.421
Date updated
2023-05-22 03:25:53 UTC+0000
Release date
2024-05-22 03:25:53 UTC+0000
UTC Start
2023-05-22 03:17:56.421
UTC End
2023-05-22 03:20:36.421
MJD Start
60086.13745858
MJD End
60086.1393104319
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.003508
Ambient temperature (°C)
12.68
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 70.3280 70.7930 80.5000 81.1000
A0-J2 113.4930 113.9160 55.4000 56.1000
A0-K0 123.3990 123.5670 36.6340 37.3010
G1-J2 58.0250 58.0410 24.5000 25.1000
G1-K0 87.5000 87.4900 2.7990 3.2370
J2-K0 39.8710 39.9850 330.2200 330.4950
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 60086.13745858
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 70.328
HIERARCH ESO ISS PBL12 END 70.793
HIERARCH ESO ISS PBLA12 START 80.5
HIERARCH ESO ISS PBLA12 END 81.1
HIERARCH ESO ISS PBL13 START 113.493
HIERARCH ESO ISS PBL13 END 113.916
HIERARCH ESO ISS PBLA13 START 55.4
HIERARCH ESO ISS PBLA13 END 56.1
HIERARCH ESO ISS PBL14 START 123.399
HIERARCH ESO ISS PBL14 END 123.567
HIERARCH ESO ISS PBLA14 START 36.634
HIERARCH ESO ISS PBLA14 END 37.301
HIERARCH ESO ISS PBL23 START 58.025
HIERARCH ESO ISS PBL23 END 58.041
HIERARCH ESO ISS PBLA23 START 24.5
HIERARCH ESO ISS PBLA23 END 25.1
HIERARCH ESO ISS PBL24 START 87.5
HIERARCH ESO ISS PBL24 END 87.49
HIERARCH ESO ISS PBLA24 START 2.799
HIERARCH ESO ISS PBLA24 END 3.237
HIERARCH ESO ISS PBL34 START 39.871
HIERARCH ESO ISS PBL34 END 39.985
HIERARCH ESO ISS PBLA34 START 330.22
HIERARCH ESO ISS PBLA34 END 330.495
HIERARCH ESO ISS AMBI TAU0 START 0.003508
HIERARCH ESO ISS AMBI TAU0 END 0.003508
HIERARCH ESO ISS AMBI TEMP 12.68
HIERARCH ESO ISS AMBI FWHM START 0.53
HIERARCH ESO ISS AMBI FWHM END 0.53