Exposure
ID
GRAVI.2024-03-07T02:21:14.419_1
Header ID
GRAVI.2024-03-07T02:21:14.419
Date updated
2024-03-07 02:30:30 UTC+0000
Release date
2025-03-07 02:30:30 UTC+0000
UTC Start
2024-03-07 02:21:14.419
UTC End
2024-03-07 02:25:14.419
MJD Start
60376.09808355
MJD End
60376.1008613278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008769
Ambient temperature (°C)
16.81
Seeing (arcsec)
0.655
Observation
ID
58660
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
43424
Name
HD81157
RA
140.453963
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 85.7690 86.0540 104.6000 105.4000
A0-J2 128.1790 128.3420 83.8000 84.7000
A0-K0 127.6490 127.5560 65.2040 66.0540
G1-J2 56.8910 56.7890 51.4000 52.1000
G1-K0 82.0620 81.9010 23.6320 24.2470
J2-K0 41.3000 41.3740 343.7750 344.2890
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 60376.09808355
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 81157
HIERARCH ESO INS SOBJ NAME HD81157
RA 140.453963
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 85.769
HIERARCH ESO ISS PBL12 END 86.054
HIERARCH ESO ISS PBLA12 START 104.6
HIERARCH ESO ISS PBLA12 END 105.4
HIERARCH ESO ISS PBL13 START 128.179
HIERARCH ESO ISS PBL13 END 128.342
HIERARCH ESO ISS PBLA13 START 83.8
HIERARCH ESO ISS PBLA13 END 84.7
HIERARCH ESO ISS PBL14 START 127.649
HIERARCH ESO ISS PBL14 END 127.556
HIERARCH ESO ISS PBLA14 START 65.204
HIERARCH ESO ISS PBLA14 END 66.054
HIERARCH ESO ISS PBL23 START 56.891
HIERARCH ESO ISS PBL23 END 56.789
HIERARCH ESO ISS PBLA23 START 51.4
HIERARCH ESO ISS PBLA23 END 52.1
HIERARCH ESO ISS PBL24 START 82.062
HIERARCH ESO ISS PBL24 END 81.901
HIERARCH ESO ISS PBLA24 START 23.632
HIERARCH ESO ISS PBLA24 END 24.247
HIERARCH ESO ISS PBL34 START 41.3
HIERARCH ESO ISS PBL34 END 41.374
HIERARCH ESO ISS PBLA34 START 343.775
HIERARCH ESO ISS PBLA34 END 344.289
HIERARCH ESO ISS AMBI TAU0 START 0.008656
HIERARCH ESO ISS AMBI TAU0 END 0.008882
HIERARCH ESO ISS AMBI TEMP 16.81
HIERARCH ESO ISS AMBI FWHM START 0.74
HIERARCH ESO ISS AMBI FWHM END 0.57