Exposure
ID
GRAVI.2024-02-14T02:43:24.645_1
Header ID
GRAVI.2024-02-14T02:43:24.645
Date updated
2024-02-14 02:55:33 UTC+0000
Release date
2025-02-14 02:55:33 UTC+0000
UTC Start
2024-02-14 02:43:24.645
UTC End
2024-02-14 02:47:24.645
MJD Start
60354.11347969
MJD End
60354.1162574678
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.003804
Ambient temperature (°C)
16.61
Seeing (arcsec)
0.82
Observation
ID
58454
Category
science
Program ID
112.25Y8.001
Program Title
MUTUAL INCLINATIONS AND MASSES OF COMPACT GAIA TRIPLE SYSTEMS
Program Type
Normal
PI / COI
GARDNER/ TOKOVININ/ KRAUS/ LU
Target
ID
43267
Name
HD81157
RA
140.453966
DEC
-55.51428
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 80.1950 80.6270 91.8000 92.7000
A0-J2 124.1130 124.4600 70.0000 70.9000
A0-K0 127.7250 127.7870 51.8910 52.7810
G1-J2 57.9260 57.8860 39.0000 39.9000
G1-K0 83.9110 83.8240 14.0360 14.6710
J2-K0 39.8370 39.9530 336.0990 336.5860
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 112.25Y8.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60354.11347969
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81157
HIERARCH ESO INS SOBJ NAME HD81157
RA 140.453966
DEC -55.51428
HIERARCH ESO INS SPEC RES MEDIUM
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 80.195
HIERARCH ESO ISS PBL12 END 80.627
HIERARCH ESO ISS PBLA12 START 91.8
HIERARCH ESO ISS PBLA12 END 92.7
HIERARCH ESO ISS PBL13 START 124.113
HIERARCH ESO ISS PBL13 END 124.46
HIERARCH ESO ISS PBLA13 START 70.0
HIERARCH ESO ISS PBLA13 END 70.9
HIERARCH ESO ISS PBL14 START 127.725
HIERARCH ESO ISS PBL14 END 127.787
HIERARCH ESO ISS PBLA14 START 51.891
HIERARCH ESO ISS PBLA14 END 52.781
HIERARCH ESO ISS PBL23 START 57.926
HIERARCH ESO ISS PBL23 END 57.886
HIERARCH ESO ISS PBLA23 START 39.0
HIERARCH ESO ISS PBLA23 END 39.9
HIERARCH ESO ISS PBL24 START 83.911
HIERARCH ESO ISS PBL24 END 83.824
HIERARCH ESO ISS PBLA24 START 14.036
HIERARCH ESO ISS PBLA24 END 14.671
HIERARCH ESO ISS PBL34 START 39.837
HIERARCH ESO ISS PBL34 END 39.953
HIERARCH ESO ISS PBLA34 START 336.099
HIERARCH ESO ISS PBLA34 END 336.586
HIERARCH ESO ISS AMBI TAU0 START 0.003804
HIERARCH ESO ISS AMBI TAU0 END 0.003804
HIERARCH ESO ISS AMBI TEMP 16.61
HIERARCH ESO ISS AMBI FWHM START 0.82
HIERARCH ESO ISS AMBI FWHM END 0.82