Exposure
ID
GRAVI.2025-02-21T07:36:20.574_1
Header ID
GRAVI.2025-02-21T07:36:20.574
Date updated
2025-02-21 07:45:45 UTC+0000
Release date
2026-02-21 07:45:45 UTC+0000
UTC Start
2025-02-21 07:36:20.574
UTC End
2025-02-21 07:40:20.574
MJD Start
60727.31690479
MJD End
60727.31968256778
Exposure time (s)
240.0
Validation level
1
Tau 0: Coherence time (s)
0.0102205
Ambient temperature (°C)
13.34
Seeing (arcsec)
0.525
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 48.5720 48.6010 143.3000 143.2000
A0-J2 95.0180 96.6200 94.0000 93.9000
A0-J6 138.0130 138.1510 3.9560 4.7010
B5-J2 73.2370 74.6370 63.8000 64.3000
B5-J6 177.6790 177.4920 353.6870 354.2470
J2-J6 167.6010 167.4890 329.4250 329.4800
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 60727.31690479
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 48.572
HIERARCH ESO ISS PBL12 END 48.601
HIERARCH ESO ISS PBLA12 START 143.3
HIERARCH ESO ISS PBLA12 END 143.2
HIERARCH ESO ISS PBL13 START 95.018
HIERARCH ESO ISS PBL13 END 96.62
HIERARCH ESO ISS PBLA13 START 94.0
HIERARCH ESO ISS PBLA13 END 93.9
HIERARCH ESO ISS PBL14 START 138.013
HIERARCH ESO ISS PBL14 END 138.151
HIERARCH ESO ISS PBLA14 START 3.956
HIERARCH ESO ISS PBLA14 END 4.701
HIERARCH ESO ISS PBL23 START 73.237
HIERARCH ESO ISS PBL23 END 74.637
HIERARCH ESO ISS PBLA23 START 63.8
HIERARCH ESO ISS PBLA23 END 64.3
HIERARCH ESO ISS PBL24 START 177.679
HIERARCH ESO ISS PBL24 END 177.492
HIERARCH ESO ISS PBLA24 START 353.687
HIERARCH ESO ISS PBLA24 END 354.247
HIERARCH ESO ISS PBL34 START 167.601
HIERARCH ESO ISS PBL34 END 167.489
HIERARCH ESO ISS PBLA34 START 329.425
HIERARCH ESO ISS PBLA34 END 329.48
HIERARCH ESO ISS AMBI TAU0 START 0.009972
HIERARCH ESO ISS AMBI TAU0 END 0.010469
HIERARCH ESO ISS AMBI TEMP 13.34
HIERARCH ESO ISS AMBI FWHM START 0.54
HIERARCH ESO ISS AMBI FWHM END 0.51