Exposure
ID
GRAVI.2024-03-07T03:17:47.562_1
Header ID
GRAVI.2024-03-07T03:17:47.562
Date updated
2024-03-07 03:30:34 UTC+0000
Release date
2025-03-07 03:30:34 UTC+0000
UTC Start
2024-03-07 03:17:47.562
UTC End
2024-03-07 03:21:47.562
MJD Start
60376.13735604
MJD End
60376.1401338178
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.005218
Ambient temperature (°C)
16.49
Seeing (arcsec)
0.615
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 88.8090 88.9680 115.6000 116.4000
A0-J2 129.2270 129.2050 95.5000 96.4000
A0-K0 125.3310 125.0620 76.5540 77.3980
G1-J2 55.0640 54.8870 61.8000 62.6000
G1-K0 79.4160 79.1740 31.7700 32.3640
J2-K0 42.0720 42.1110 350.7920 351.3220
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 60376.13735604
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 88.809
HIERARCH ESO ISS PBL12 END 88.968
HIERARCH ESO ISS PBLA12 START 115.6
HIERARCH ESO ISS PBLA12 END 116.4
HIERARCH ESO ISS PBL13 START 129.227
HIERARCH ESO ISS PBL13 END 129.205
HIERARCH ESO ISS PBLA13 START 95.5
HIERARCH ESO ISS PBLA13 END 96.4
HIERARCH ESO ISS PBL14 START 125.331
HIERARCH ESO ISS PBL14 END 125.062
HIERARCH ESO ISS PBLA14 START 76.554
HIERARCH ESO ISS PBLA14 END 77.398
HIERARCH ESO ISS PBL23 START 55.064
HIERARCH ESO ISS PBL23 END 54.887
HIERARCH ESO ISS PBLA23 START 61.8
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 79.416
HIERARCH ESO ISS PBL24 END 79.174
HIERARCH ESO ISS PBLA24 START 31.77
HIERARCH ESO ISS PBLA24 END 32.364
HIERARCH ESO ISS PBL34 START 42.072
HIERARCH ESO ISS PBL34 END 42.111
HIERARCH ESO ISS PBLA34 START 350.792
HIERARCH ESO ISS PBLA34 END 351.322
HIERARCH ESO ISS AMBI TAU0 START 0.005584
HIERARCH ESO ISS AMBI TAU0 END 0.004852
HIERARCH ESO ISS AMBI TEMP 16.49
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.65