Exposure
ID
GRAVI.2025-10-15T05:49:04.663_1
Header ID
GRAVI.2025-10-15T05:49:04.663
Date updated
2025-10-15 06:05:59 UTC+0000
Release date
2026-10-15 06:05:59 UTC+0000
UTC Start
2025-10-15 05:49:04.663
UTC End
2025-10-15 05:55:44.663
MJD Start
60963.24241508
MJD End
60963.24704470963
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.006697
Ambient temperature (°C)
12.19
Seeing (arcsec)
0.5
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 48.1460 48.2650 143.4000 143.3000
A0-J2 87.0490 89.8950 91.6000 91.6000
A0-J6 141.9190 141.9720 0.4930 1.6890
B5-J2 68.6450 70.9090 58.2000 59.4000
B5-J6 182.6570 182.2840 351.3540 352.2270
J2-J6 167.9520 167.9700 329.2880 329.3390
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 60963.24241508
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 48.146
HIERARCH ESO ISS PBL12 END 48.265
HIERARCH ESO ISS PBLA12 START 143.4
HIERARCH ESO ISS PBLA12 END 143.3
HIERARCH ESO ISS PBL13 START 87.049
HIERARCH ESO ISS PBL13 END 89.895
HIERARCH ESO ISS PBLA13 START 91.6
HIERARCH ESO ISS PBLA13 END 91.6
HIERARCH ESO ISS PBL14 START 141.919
HIERARCH ESO ISS PBL14 END 141.972
HIERARCH ESO ISS PBLA14 START 0.493
HIERARCH ESO ISS PBLA14 END 1.689
HIERARCH ESO ISS PBL23 START 68.645
HIERARCH ESO ISS PBL23 END 70.909
HIERARCH ESO ISS PBLA23 START 58.2
HIERARCH ESO ISS PBLA23 END 59.4
HIERARCH ESO ISS PBL24 START 182.657
HIERARCH ESO ISS PBL24 END 182.284
HIERARCH ESO ISS PBLA24 START 351.354
HIERARCH ESO ISS PBLA24 END 352.227
HIERARCH ESO ISS PBL34 START 167.952
HIERARCH ESO ISS PBL34 END 167.97
HIERARCH ESO ISS PBLA34 START 329.288
HIERARCH ESO ISS PBLA34 END 329.339
HIERARCH ESO ISS AMBI TAU0 START 0.006753
HIERARCH ESO ISS AMBI TAU0 END 0.006641
HIERARCH ESO ISS AMBI TEMP 12.19
HIERARCH ESO ISS AMBI FWHM START 0.5
HIERARCH ESO ISS AMBI FWHM END 0.5