Exposure
ID
GRAVI.2024-08-29T03:17:08.506_1
Header ID
GRAVI.2024-08-29T03:17:08.506
Date updated
2024-08-29 03:25:37 UTC+0000
Release date
2025-08-29 03:25:37 UTC+0000
UTC Start
2024-08-29 03:17:08.506
UTC End
2024-08-29 03:19:48.506
MJD Start
60551.13690401
MJD End
60551.13875586186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002094
Ambient temperature (°C)
8.96
Seeing (arcsec)
1.48
Observation
ID
60448
Category
science
Program ID
114.272P.001
Program Title
PRECISION MASSES AND ORBITS OF A-TYPE GAIA BINARIES
Program Type
Normal
PI / COI
GARDNER / KRAUS / LU
Target
ID
44899
Name
HD_191889
RA
303.389792
DEC
-38.44898
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.2270 48.2510 157.3000 157.7000
A0-J2 127.5090 127.3000 100.9000 101.3000
A0-J6 161.9940 161.7240 32.3940 32.6900
B5-J2 108.5580 108.2870 79.1000 79.6000
B5-J6 193.6770 193.4770 20.6120 20.9020
J2-J6 165.3630 165.4290 346.5590 346.9080
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.272P.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60551.13690401
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 191889
HIERARCH ESO INS SOBJ NAME HD_191889
RA 303.389792
DEC -38.44898
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 176.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 48.227
HIERARCH ESO ISS PBL12 END 48.251
HIERARCH ESO ISS PBLA12 START 157.3
HIERARCH ESO ISS PBLA12 END 157.7
HIERARCH ESO ISS PBL13 START 127.509
HIERARCH ESO ISS PBL13 END 127.3
HIERARCH ESO ISS PBLA13 START 100.9
HIERARCH ESO ISS PBLA13 END 101.3
HIERARCH ESO ISS PBL14 START 161.994
HIERARCH ESO ISS PBL14 END 161.724
HIERARCH ESO ISS PBLA14 START 32.394
HIERARCH ESO ISS PBLA14 END 32.69
HIERARCH ESO ISS PBL23 START 108.558
HIERARCH ESO ISS PBL23 END 108.287
HIERARCH ESO ISS PBLA23 START 79.1
HIERARCH ESO ISS PBLA23 END 79.6
HIERARCH ESO ISS PBL24 START 193.677
HIERARCH ESO ISS PBL24 END 193.477
HIERARCH ESO ISS PBLA24 START 20.612
HIERARCH ESO ISS PBLA24 END 20.902
HIERARCH ESO ISS PBL34 START 165.363
HIERARCH ESO ISS PBL34 END 165.429
HIERARCH ESO ISS PBLA34 START 346.559
HIERARCH ESO ISS PBLA34 END 346.908
HIERARCH ESO ISS AMBI TAU0 START 0.002094
HIERARCH ESO ISS AMBI TAU0 END 0.002094
HIERARCH ESO ISS AMBI TEMP 8.96
HIERARCH ESO ISS AMBI FWHM START 1.48
HIERARCH ESO ISS AMBI FWHM END 1.48