Exposure
ID
GRAVI.2025-02-05T03:18:56.328_1
Header ID
GRAVI.2025-02-05T03:18:56.328
Date updated
2025-02-05 03:30:48 UTC+0000
Release date
2026-02-05 03:30:48 UTC+0000
UTC Start
2025-02-05 03:18:56.328
UTC End
2025-02-05 03:22:56.328
MJD Start
60711.13815194
MJD End
60711.14092971778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.008066
Ambient temperature (°C)
14.27
Seeing (arcsec)
0.77
Observation
ID
63641
Category
science
Program ID
114.276J.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
47409
Name
TYC_7157-1169-1
RA
139.953001
DEC
-33.04359
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 82.8830 83.4190 103.5000 104.0000
A0-J2 120.2250 120.9290 78.5000 79.1000
A0-K0 122.8710 123.3210 56.0720 56.7890
G1-J2 57.1710 57.2800 40.6000 41.3000
G1-K0 90.4820 90.4790 13.6550 14.2260
J2-K0 47.2440 47.3030 340.4150 340.7900
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 114.276J.002
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60711.13815194
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 7157-1169-1
HIERARCH ESO INS SOBJ NAME TYC_7157-1169-1
RA 139.953001
DEC -33.04359
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 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 82.883
HIERARCH ESO ISS PBL12 END 83.419
HIERARCH ESO ISS PBLA12 START 103.5
HIERARCH ESO ISS PBLA12 END 104.0
HIERARCH ESO ISS PBL13 START 120.225
HIERARCH ESO ISS PBL13 END 120.929
HIERARCH ESO ISS PBLA13 START 78.5
HIERARCH ESO ISS PBLA13 END 79.1
HIERARCH ESO ISS PBL14 START 122.871
HIERARCH ESO ISS PBL14 END 123.321
HIERARCH ESO ISS PBLA14 START 56.072
HIERARCH ESO ISS PBLA14 END 56.789
HIERARCH ESO ISS PBL23 START 57.171
HIERARCH ESO ISS PBL23 END 57.28
HIERARCH ESO ISS PBLA23 START 40.6
HIERARCH ESO ISS PBLA23 END 41.3
HIERARCH ESO ISS PBL24 START 90.482
HIERARCH ESO ISS PBL24 END 90.479
HIERARCH ESO ISS PBLA24 START 13.655
HIERARCH ESO ISS PBLA24 END 14.226
HIERARCH ESO ISS PBL34 START 47.244
HIERARCH ESO ISS PBL34 END 47.303
HIERARCH ESO ISS PBLA34 START 340.415
HIERARCH ESO ISS PBLA34 END 340.79
HIERARCH ESO ISS AMBI TAU0 START 0.009061
HIERARCH ESO ISS AMBI TAU0 END 0.007071
HIERARCH ESO ISS AMBI TEMP 14.27
HIERARCH ESO ISS AMBI FWHM START 0.68
HIERARCH ESO ISS AMBI FWHM END 0.86