Exposure
ID
GRAVI.2024-08-14T08:31:48.575_1
Header ID
GRAVI.2024-08-14T08:31:48.575
Date updated
2024-08-14 08:45:28 UTC+0000
Release date
2025-08-14 08:45:28 UTC+0000
UTC Start
2024-08-14 08:31:48.575
UTC End
2024-08-14 08:35:48.575
MJD Start
60536.35542332
MJD End
60536.35820109778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0027454999999999997
Ambient temperature (°C)
12.23
Seeing (arcsec)
0.94
Observation
ID
60314
Category
science
Program ID
113.26GP.002
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
44773
Name
HD_270790
RA
71.669527
DEC
-73.68996
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 28.8520 29.0510 99.2000 100.1000
A0-J2 124.8950 125.0110 42.2000 43.2000
A0-J6 132.9820 132.9860 359.1520 359.9260
B5-J2 111.8300 111.8140 29.7000 30.7000
B5-J6 140.8960 141.0530 347.5210 348.2330
J2-J6 94.8570 95.5030 295.2150 296.0380
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26GP.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60536.35542332
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 270790
HIERARCH ESO INS SOBJ NAME HD_270790
RA 71.669527
DEC -73.68996
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 28.852
HIERARCH ESO ISS PBL12 END 29.051
HIERARCH ESO ISS PBLA12 START 99.2
HIERARCH ESO ISS PBLA12 END 100.1
HIERARCH ESO ISS PBL13 START 124.895
HIERARCH ESO ISS PBL13 END 125.011
HIERARCH ESO ISS PBLA13 START 42.2
HIERARCH ESO ISS PBLA13 END 43.2
HIERARCH ESO ISS PBL14 START 132.982
HIERARCH ESO ISS PBL14 END 132.986
HIERARCH ESO ISS PBLA14 START 359.152
HIERARCH ESO ISS PBLA14 END 359.926
HIERARCH ESO ISS PBL23 START 111.83
HIERARCH ESO ISS PBL23 END 111.814
HIERARCH ESO ISS PBLA23 START 29.7
HIERARCH ESO ISS PBLA23 END 30.7
HIERARCH ESO ISS PBL24 START 140.896
HIERARCH ESO ISS PBL24 END 141.053
HIERARCH ESO ISS PBLA24 START 347.521
HIERARCH ESO ISS PBLA24 END 348.233
HIERARCH ESO ISS PBL34 START 94.857
HIERARCH ESO ISS PBL34 END 95.503
HIERARCH ESO ISS PBLA34 START 295.215
HIERARCH ESO ISS PBLA34 END 296.038
HIERARCH ESO ISS AMBI TAU0 START 0.002525
HIERARCH ESO ISS AMBI TAU0 END 0.002966
HIERARCH ESO ISS AMBI TEMP 12.23
HIERARCH ESO ISS AMBI FWHM START 0.89
HIERARCH ESO ISS AMBI FWHM END 0.99