Exposure
ID
GRAVI.2024-03-07T03:27:05.586_1
Header ID
GRAVI.2024-03-07T03:27:05.586
Date updated
2024-03-07 03:40:27 UTC+0000
Release date
2025-03-07 03:40:26 UTC+0000
UTC Start
2024-03-07 03:27:05.586
UTC End
2024-03-07 03:31:05.586
MJD Start
60376.14381465
MJD End
60376.1465924278
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005543
Ambient temperature (°C)
16.37
Seeing (arcsec)
0.755
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 89.1490 89.2880 117.4000 118.2000
A0-J2 129.1600 129.1070 97.4000 98.3000
A0-K0 124.7190 124.4200 78.4150 79.2560
G1-J2 54.6660 54.4770 63.5000 64.3000
G1-K0 78.8750 78.6210 33.0780 33.6650
J2-K0 42.1560 42.1900 351.9630 352.4920
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 60376.14381465
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 89.149
HIERARCH ESO ISS PBL12 END 89.288
HIERARCH ESO ISS PBLA12 START 117.4
HIERARCH ESO ISS PBLA12 END 118.2
HIERARCH ESO ISS PBL13 START 129.16
HIERARCH ESO ISS PBL13 END 129.107
HIERARCH ESO ISS PBLA13 START 97.4
HIERARCH ESO ISS PBLA13 END 98.3
HIERARCH ESO ISS PBL14 START 124.719
HIERARCH ESO ISS PBL14 END 124.42
HIERARCH ESO ISS PBLA14 START 78.415
HIERARCH ESO ISS PBLA14 END 79.256
HIERARCH ESO ISS PBL23 START 54.666
HIERARCH ESO ISS PBL23 END 54.477
HIERARCH ESO ISS PBLA23 START 63.5
HIERARCH ESO ISS PBLA23 END 64.3
HIERARCH ESO ISS PBL24 START 78.875
HIERARCH ESO ISS PBL24 END 78.621
HIERARCH ESO ISS PBLA24 START 33.078
HIERARCH ESO ISS PBLA24 END 33.665
HIERARCH ESO ISS PBL34 START 42.156
HIERARCH ESO ISS PBL34 END 42.19
HIERARCH ESO ISS PBLA34 START 351.963
HIERARCH ESO ISS PBLA34 END 352.492
HIERARCH ESO ISS AMBI TAU0 START 0.005372
HIERARCH ESO ISS AMBI TAU0 END 0.005714
HIERARCH ESO ISS AMBI TEMP 16.37
HIERARCH ESO ISS AMBI FWHM START 0.75
HIERARCH ESO ISS AMBI FWHM END 0.76