Exposure
ID
GRAVI.2025-10-15T06:04:07.701_1
Header ID
GRAVI.2025-10-15T06:04:07.701
Date updated
2025-10-15 06:20:44 UTC+0000
Release date
2026-10-15 06:20:43 UTC+0000
UTC Start
2025-10-15 06:04:07.701
UTC End
2025-10-15 06:10:47.701
MJD Start
60963.25286691
MJD End
60963.25749653963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.008047499999999999
Ambient temperature (°C)
12.13
Seeing (arcsec)
0.485
Observation
ID
70951
Category
science
Program ID
116.28ZV.001
Program Title
VLTI SURVEY ON GAIA BINARIES: STELLAR EVOLUTION AND BINARY FORMATION AT LOW/HIGH METALLICITY
Program Type
Normal
PI / COI
LU / KRAUS
Target
ID
52655
Name
TYC_4773-1004-1
RA
89.381264
DEC
-1.97903
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.3850 48.4710 143.2000 143.1000
A0-J2 93.1370 95.8080 91.7000 91.7000
A0-J6 142.1100 142.2900 3.0900 4.2790
B5-J2 73.5440 75.7590 60.6000 61.6000
B5-J6 181.8920 181.6000 353.2650 354.1600
J2-J6 167.9410 167.8730 329.4260 329.5260
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZV.001
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60963.25286691
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 4773-1004-1
HIERARCH ESO INS SOBJ NAME TYC_4773-1004-1
RA 89.381264
DEC -1.97903
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 48.385
HIERARCH ESO ISS PBL12 END 48.471
HIERARCH ESO ISS PBLA12 START 143.2
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 93.137
HIERARCH ESO ISS PBL13 END 95.808
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.7
HIERARCH ESO ISS PBL14 START 142.11
HIERARCH ESO ISS PBL14 END 142.29
HIERARCH ESO ISS PBLA14 START 3.09
HIERARCH ESO ISS PBLA14 END 4.279
HIERARCH ESO ISS PBL23 START 73.544
HIERARCH ESO ISS PBL23 END 75.759
HIERARCH ESO ISS PBLA23 START 60.6
HIERARCH ESO ISS PBLA23 END 61.6
HIERARCH ESO ISS PBL24 START 181.892
HIERARCH ESO ISS PBL24 END 181.6
HIERARCH ESO ISS PBLA24 START 353.265
HIERARCH ESO ISS PBLA24 END 354.16
HIERARCH ESO ISS PBL34 START 167.941
HIERARCH ESO ISS PBL34 END 167.873
HIERARCH ESO ISS PBLA34 START 329.426
HIERARCH ESO ISS PBLA34 END 329.526
HIERARCH ESO ISS AMBI TAU0 START 0.007527
HIERARCH ESO ISS AMBI TAU0 END 0.008568
HIERARCH ESO ISS AMBI TEMP 12.13
HIERARCH ESO ISS AMBI FWHM START 0.52
HIERARCH ESO ISS AMBI FWHM END 0.45