Exposure
ID
GRAVI.2025-06-17T09:02:37.536_1
Header ID
GRAVI.2025-06-17T09:02:37.536
Date updated
2025-06-17 09:22:16 UTC+0000
Release date
2026-06-17 09:22:15 UTC+0000
UTC Start
2025-06-17 09:02:37.536
UTC End
2025-06-17 09:09:17.536
MJD Start
60843.37682333
MJD End
60843.38145295963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.003569
Ambient temperature (°C)
6.18
Seeing (arcsec)
0.6950000000000001
Observation
ID
68146
Category
science
Program ID
115.28G0.001
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS / GARDNER
Target
ID
50654
Name
HD_6144
RA
15.364387
DEC
-61.75895
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 K0
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 73.2100 73.9350 72.0000 73.7000
A0-J2 120.3200 120.8480 51.4000 53.1000
A0-K0 127.3290 127.4350 35.6520 37.2410
G1-J2 57.9140 57.8760 24.8000 26.3000
G1-K0 81.0070 80.9690 3.2440 4.3590
J2-K0 34.5330 34.8110 325.1110 325.9670
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60843.37682333
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 6144
HIERARCH ESO INS SOBJ NAME HD_6144
RA 15.364387
DEC -61.75895
HIERARCH ESO INS SPEC RES HIGH
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 73.21
HIERARCH ESO ISS PBL12 END 73.935
HIERARCH ESO ISS PBLA12 START 72.0
HIERARCH ESO ISS PBLA12 END 73.7
HIERARCH ESO ISS PBL13 START 120.32
HIERARCH ESO ISS PBL13 END 120.848
HIERARCH ESO ISS PBLA13 START 51.4
HIERARCH ESO ISS PBLA13 END 53.1
HIERARCH ESO ISS PBL14 START 127.329
HIERARCH ESO ISS PBL14 END 127.435
HIERARCH ESO ISS PBLA14 START 35.652
HIERARCH ESO ISS PBLA14 END 37.241
HIERARCH ESO ISS PBL23 START 57.914
HIERARCH ESO ISS PBL23 END 57.876
HIERARCH ESO ISS PBLA23 START 24.8
HIERARCH ESO ISS PBLA23 END 26.3
HIERARCH ESO ISS PBL24 START 81.007
HIERARCH ESO ISS PBL24 END 80.969
HIERARCH ESO ISS PBLA24 START 3.244
HIERARCH ESO ISS PBLA24 END 4.359
HIERARCH ESO ISS PBL34 START 34.533
HIERARCH ESO ISS PBL34 END 34.811
HIERARCH ESO ISS PBLA34 START 325.111
HIERARCH ESO ISS PBLA34 END 325.967
HIERARCH ESO ISS AMBI TAU0 START 0.002982
HIERARCH ESO ISS AMBI TAU0 END 0.004156
HIERARCH ESO ISS AMBI TEMP 6.18
HIERARCH ESO ISS AMBI FWHM START 0.79
HIERARCH ESO ISS AMBI FWHM END 0.6