Exposure
ID
GRAVI.2025-02-22T07:44:37.606_1
Header ID
GRAVI.2025-02-22T07:44:37.606
Date updated
2025-02-22 07:55:43 UTC+0000
Release date
2026-02-22 07:55:43 UTC+0000
UTC Start
2025-02-22 07:44:37.606
UTC End
2025-02-22 07:48:37.606
MJD Start
60728.32265748
MJD End
60728.32543525778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.011988
Ambient temperature (°C)
14.54
Seeing (arcsec)
0.645
Observation
ID
64774
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
48235
Name
TYC_353-611-1
RA
238.805567
DEC
0.62623
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
MEDIUM-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 B5 J2 J6
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-B5 48.6390 48.6510 143.1000 143.1000
A0-J2 99.5400 101.0460 93.8000 93.7000
A0-J6 138.4730 138.6770 6.0940 6.8290
B5-J2 77.2280 78.5830 65.2000 65.7000
B5-J6 177.1870 177.0490 355.3090 355.8780
J2-J6 167.2390 167.0850 329.6080 329.6880
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 60728.32265748
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME TYC 353-611-1
HIERARCH ESO INS SOBJ NAME TYC_353-611-1
RA 238.805567
DEC 0.62623
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 B5
HIERARCH ESO ISS CONF STATION3 J2
HIERARCH ESO ISS CONF STATION4 J6
EXPTIME 255.0
HIERARCH ESO DET2 SEQ1 DIT 30.0
HIERARCH ESO DET2 NDIT 8
HIERARCH ESO ISS PBL12 START 48.639
HIERARCH ESO ISS PBL12 END 48.651
HIERARCH ESO ISS PBLA12 START 143.1
HIERARCH ESO ISS PBLA12 END 143.1
HIERARCH ESO ISS PBL13 START 99.54
HIERARCH ESO ISS PBL13 END 101.046
HIERARCH ESO ISS PBLA13 START 93.8
HIERARCH ESO ISS PBLA13 END 93.7
HIERARCH ESO ISS PBL14 START 138.473
HIERARCH ESO ISS PBL14 END 138.677
HIERARCH ESO ISS PBLA14 START 6.094
HIERARCH ESO ISS PBLA14 END 6.829
HIERARCH ESO ISS PBL23 START 77.228
HIERARCH ESO ISS PBL23 END 78.583
HIERARCH ESO ISS PBLA23 START 65.2
HIERARCH ESO ISS PBLA23 END 65.7
HIERARCH ESO ISS PBL24 START 177.187
HIERARCH ESO ISS PBL24 END 177.049
HIERARCH ESO ISS PBLA24 START 355.309
HIERARCH ESO ISS PBLA24 END 355.878
HIERARCH ESO ISS PBL34 START 167.239
HIERARCH ESO ISS PBL34 END 167.085
HIERARCH ESO ISS PBLA34 START 329.608
HIERARCH ESO ISS PBLA34 END 329.688
HIERARCH ESO ISS AMBI TAU0 START 0.011684
HIERARCH ESO ISS AMBI TAU0 END 0.012292
HIERARCH ESO ISS AMBI TEMP 14.54
HIERARCH ESO ISS AMBI FWHM START 0.66
HIERARCH ESO ISS AMBI FWHM END 0.63