Exposure
ID
GRAVI.2024-09-04T08:12:03.944_1
Header ID
GRAVI.2024-09-04T08:12:03.944
Date updated
2024-09-04 08:25:37 UTC+0000
Release date
2025-09-04 08:25:37 UTC+0000
UTC Start
2024-09-04 08:12:03.944
UTC End
2024-09-04 08:18:43.944
MJD Start
60557.34171231
MJD End
60557.34634193963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004968
Ambient temperature (°C)
13.98
Seeing (arcsec)
0.6000000000000001
Observation
ID
60587
Category
science
Program ID
113.26GP.003
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
45029
Name
HD_23684
RA
56.585351
DEC
-20.82678
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 87.0870 87.7120 109.6000 110.1000
A0-J2 122.3640 123.4880 85.5000 86.2000
A0-K0 121.2170 122.2130 62.4790 63.3320
G1-J2 55.7120 56.0470 45.8000 46.8000
G1-K0 88.9840 89.1170 16.6340 17.5260
J2-K0 48.6470 48.6490 342.6740 343.2770
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 113.26GP.003
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60557.34171231
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 23684
HIERARCH ESO INS SOBJ NAME HD_23684
RA 56.585351
DEC -20.82678
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 87.087
HIERARCH ESO ISS PBL12 END 87.712
HIERARCH ESO ISS PBLA12 START 109.6
HIERARCH ESO ISS PBLA12 END 110.1
HIERARCH ESO ISS PBL13 START 122.364
HIERARCH ESO ISS PBL13 END 123.488
HIERARCH ESO ISS PBLA13 START 85.5
HIERARCH ESO ISS PBLA13 END 86.2
HIERARCH ESO ISS PBL14 START 121.217
HIERARCH ESO ISS PBL14 END 122.213
HIERARCH ESO ISS PBLA14 START 62.479
HIERARCH ESO ISS PBLA14 END 63.332
HIERARCH ESO ISS PBL23 START 55.712
HIERARCH ESO ISS PBL23 END 56.047
HIERARCH ESO ISS PBLA23 START 45.8
HIERARCH ESO ISS PBLA23 END 46.8
HIERARCH ESO ISS PBL24 START 88.984
HIERARCH ESO ISS PBL24 END 89.117
HIERARCH ESO ISS PBLA24 START 16.634
HIERARCH ESO ISS PBLA24 END 17.526
HIERARCH ESO ISS PBL34 START 48.647
HIERARCH ESO ISS PBL34 END 48.649
HIERARCH ESO ISS PBLA34 START 342.674
HIERARCH ESO ISS PBLA34 END 343.277
HIERARCH ESO ISS AMBI TAU0 START 0.004199
HIERARCH ESO ISS AMBI TAU0 END 0.005737
HIERARCH ESO ISS AMBI TEMP 13.98
HIERARCH ESO ISS AMBI FWHM START 0.65
HIERARCH ESO ISS AMBI FWHM END 0.55