Exposure
ID
GRAVI.2025-10-15T06:11:19.719_1
Header ID
GRAVI.2025-10-15T06:11:19.719
Date updated
2025-10-15 06:26:05 UTC+0000
Release date
2026-10-15 06:26:04 UTC+0000
UTC Start
2025-10-15 06:11:19.719
UTC End
2025-10-15 06:17:59.719
MJD Start
60963.25786712
MJD End
60963.26249674963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.008671499999999999
Ambient temperature (°C)
12.1
Seeing (arcsec)
0.455
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 48.4730 48.5420 143.1000 143.1000
A0-J2 95.9030 98.4830 91.7000 91.7000
A0-J6 142.2970 142.5370 4.3200 5.5010
B5-J2 75.8390 78.0190 61.7000 62.6000
B5-J6 181.5900 181.3400 354.1910 355.0940
J2-J6 167.8700 167.7600 329.5280 329.6510
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 60963.25786712
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 48.473
HIERARCH ESO ISS PBL12 END 48.542
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 95.903
HIERARCH ESO ISS PBL13 END 98.483
HIERARCH ESO ISS PBLA13 START 91.7
HIERARCH ESO ISS PBLA13 END 91.7
HIERARCH ESO ISS PBL14 START 142.297
HIERARCH ESO ISS PBL14 END 142.537
HIERARCH ESO ISS PBLA14 START 4.32
HIERARCH ESO ISS PBLA14 END 5.501
HIERARCH ESO ISS PBL23 START 75.839
HIERARCH ESO ISS PBL23 END 78.019
HIERARCH ESO ISS PBLA23 START 61.7
HIERARCH ESO ISS PBLA23 END 62.6
HIERARCH ESO ISS PBL24 START 181.59
HIERARCH ESO ISS PBL24 END 181.34
HIERARCH ESO ISS PBLA24 START 354.191
HIERARCH ESO ISS PBLA24 END 355.094
HIERARCH ESO ISS PBL34 START 167.87
HIERARCH ESO ISS PBL34 END 167.76
HIERARCH ESO ISS PBLA34 START 329.528
HIERARCH ESO ISS PBLA34 END 329.651
HIERARCH ESO ISS AMBI TAU0 START 0.008568
HIERARCH ESO ISS AMBI TAU0 END 0.008775
HIERARCH ESO ISS AMBI TEMP 12.1
HIERARCH ESO ISS AMBI FWHM START 0.45
HIERARCH ESO ISS AMBI FWHM END 0.46