Exposure
ID
GRAVI.2023-07-20T01:29:54.408_1
Header ID
GRAVI.2023-07-20T01:29:54.408
Date updated
2023-07-20 01:40:33 UTC+0000
Release date
2024-07-20 01:40:33 UTC+0000
UTC Start
2023-07-20 01:29:54.408
UTC End
2023-07-20 01:33:54.408
MJD Start
60145.06243528
MJD End
60145.06521305778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0064705
Ambient temperature (°C)
17.87
Seeing (arcsec)
0.61
Observation
ID
56302
Category
science
Program ID
111.24TN.004
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
41709
Name
48_Lib
RA
239.544987
DEC
-14.27944
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 88.2180 87.8880 118.7000 119.1000
A0-J2 127.2930 126.8720 95.3000 95.5000
A0-K0 127.3480 127.1090 73.6780 73.9050
G1-J2 58.1910 58.1530 58.1000 58.3000
G1-K0 90.1720 90.2360 29.8390 30.1680
J2-K0 47.6920 47.6760 354.5340 355.0010
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 111.24TN.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60145.06243528
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME 48 Lib
HIERARCH ESO INS SOBJ NAME 48_Lib
RA 239.544987
DEC -14.27944
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 88.218
HIERARCH ESO ISS PBL12 END 87.888
HIERARCH ESO ISS PBLA12 START 118.7
HIERARCH ESO ISS PBLA12 END 119.1
HIERARCH ESO ISS PBL13 START 127.293
HIERARCH ESO ISS PBL13 END 126.872
HIERARCH ESO ISS PBLA13 START 95.3
HIERARCH ESO ISS PBLA13 END 95.5
HIERARCH ESO ISS PBL14 START 127.348
HIERARCH ESO ISS PBL14 END 127.109
HIERARCH ESO ISS PBLA14 START 73.678
HIERARCH ESO ISS PBLA14 END 73.905
HIERARCH ESO ISS PBL23 START 58.191
HIERARCH ESO ISS PBL23 END 58.153
HIERARCH ESO ISS PBLA23 START 58.1
HIERARCH ESO ISS PBLA23 END 58.3
HIERARCH ESO ISS PBL24 START 90.172
HIERARCH ESO ISS PBL24 END 90.236
HIERARCH ESO ISS PBLA24 START 29.839
HIERARCH ESO ISS PBLA24 END 30.168
HIERARCH ESO ISS PBL34 START 47.692
HIERARCH ESO ISS PBL34 END 47.676
HIERARCH ESO ISS PBLA34 START 354.534
HIERARCH ESO ISS PBLA34 END 355.001
HIERARCH ESO ISS AMBI TAU0 START 0.007245
HIERARCH ESO ISS AMBI TAU0 END 0.005696
HIERARCH ESO ISS AMBI TEMP 17.87
HIERARCH ESO ISS AMBI FWHM START 0.59
HIERARCH ESO ISS AMBI FWHM END 0.63