Exposure
ID
GRAVI.2023-08-18T03:18:40.829_1
Header ID
GRAVI.2023-08-18T03:18:40.829
Date updated
2023-08-18 03:30:38 UTC+0000
Release date
2024-08-18 03:30:38 UTC+0000
UTC Start
2023-08-18 03:18:40.829
UTC End
2023-08-18 03:22:40.829
MJD Start
60174.13797256
MJD End
60174.14075033778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0029195000000000002
Ambient temperature (°C)
11.78
Seeing (arcsec)
0.735
Observation
ID
56623
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
41954
Name
iot_Ara
RA
260.813651
DEC
-47.46829
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 88.3270 88.1950 148.0000 149.0000
A0-J2 115.5560 114.9850 128.3000 129.3000
A0-K0 102.5700 101.6390 105.5560 106.4870
G1-J2 44.0210 43.5400 85.7000 86.5000
G1-K0 70.4430 69.9110 47.6720 48.0600
J2-K0 44.9220 44.8790 10.4890 10.9750
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 60174.13797256
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME iot Ara
HIERARCH ESO INS SOBJ NAME iot_Ara
RA 260.813651
DEC -47.46829
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 88.327
HIERARCH ESO ISS PBL12 END 88.195
HIERARCH ESO ISS PBLA12 START 148.0
HIERARCH ESO ISS PBLA12 END 149.0
HIERARCH ESO ISS PBL13 START 115.556
HIERARCH ESO ISS PBL13 END 114.985
HIERARCH ESO ISS PBLA13 START 128.3
HIERARCH ESO ISS PBLA13 END 129.3
HIERARCH ESO ISS PBL14 START 102.57
HIERARCH ESO ISS PBL14 END 101.639
HIERARCH ESO ISS PBLA14 START 105.556
HIERARCH ESO ISS PBLA14 END 106.487
HIERARCH ESO ISS PBL23 START 44.021
HIERARCH ESO ISS PBL23 END 43.54
HIERARCH ESO ISS PBLA23 START 85.7
HIERARCH ESO ISS PBLA23 END 86.5
HIERARCH ESO ISS PBL24 START 70.443
HIERARCH ESO ISS PBL24 END 69.911
HIERARCH ESO ISS PBLA24 START 47.672
HIERARCH ESO ISS PBLA24 END 48.06
HIERARCH ESO ISS PBL34 START 44.922
HIERARCH ESO ISS PBL34 END 44.879
HIERARCH ESO ISS PBLA34 START 10.489
HIERARCH ESO ISS PBLA34 END 10.975
HIERARCH ESO ISS AMBI TAU0 START 0.002818
HIERARCH ESO ISS AMBI TAU0 END 0.003021
HIERARCH ESO ISS AMBI TEMP 11.78
HIERARCH ESO ISS AMBI FWHM START 0.76
HIERARCH ESO ISS AMBI FWHM END 0.71