Exposure
ID
GRAVI.2025-03-23T07:43:18.951_1
Header ID
GRAVI.2025-03-23T07:43:18.951
Date updated
2025-03-23 08:00:44 UTC+0000
Release date
2026-03-23 08:00:44 UTC+0000
UTC Start
2025-03-23 07:43:18.951
UTC End
2025-03-23 07:49:18.951
MJD Start
60757.32174712
MJD End
60757.32591378666
Exposure time (s)
360.0
Validation level
1
Tau 0: Coherence time (s)
0.00429
Ambient temperature (°C)
13.43
Seeing (arcsec)
0.59
Observation
ID
65834
Category
science
Program ID
115.28G0.002
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
48995
Name
UCAC4_354-078108
RA
247.956033
DEC
-19.33365
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 86.6840 87.2930 109.6000 110.0000
A0-J2 121.1900 122.3100 85.4000 86.0000
A0-K0 119.7760 120.7820 62.1350 62.9090
G1-J2 55.0910 55.4320 45.3000 46.1000
G1-K0 88.4550 88.5910 15.8990 16.7250
J2-K0 48.6490 48.6460 342.1480 342.6840
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60757.32174712
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME UCAC4 354-078108
HIERARCH ESO INS SOBJ NAME UCAC4_354-078108
RA 247.956033
DEC -19.33365
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 376.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 12
HIERARCH ESO ISS PBL12 START 86.684
HIERARCH ESO ISS PBL12 END 87.293
HIERARCH ESO ISS PBLA12 START 109.6
HIERARCH ESO ISS PBLA12 END 110.0
HIERARCH ESO ISS PBL13 START 121.19
HIERARCH ESO ISS PBL13 END 122.31
HIERARCH ESO ISS PBLA13 START 85.4
HIERARCH ESO ISS PBLA13 END 86.0
HIERARCH ESO ISS PBL14 START 119.776
HIERARCH ESO ISS PBL14 END 120.782
HIERARCH ESO ISS PBLA14 START 62.135
HIERARCH ESO ISS PBLA14 END 62.909
HIERARCH ESO ISS PBL23 START 55.091
HIERARCH ESO ISS PBL23 END 55.432
HIERARCH ESO ISS PBLA23 START 45.3
HIERARCH ESO ISS PBLA23 END 46.1
HIERARCH ESO ISS PBL24 START 88.455
HIERARCH ESO ISS PBL24 END 88.591
HIERARCH ESO ISS PBLA24 START 15.899
HIERARCH ESO ISS PBLA24 END 16.725
HIERARCH ESO ISS PBL34 START 48.649
HIERARCH ESO ISS PBL34 END 48.646
HIERARCH ESO ISS PBLA34 START 342.148
HIERARCH ESO ISS PBLA34 END 342.684
HIERARCH ESO ISS AMBI TAU0 START 0.004469
HIERARCH ESO ISS AMBI TAU0 END 0.004111
HIERARCH ESO ISS AMBI TEMP 13.43
HIERARCH ESO ISS AMBI FWHM START 0.58
HIERARCH ESO ISS AMBI FWHM END 0.6