Exposure
ID
GRAVI.2025-10-28T01:41:43.007_1
Header ID
GRAVI.2025-10-28T01:41:43.007
Date updated
2025-10-28 01:56:01 UTC+0000
Release date
2026-10-28 01:56:01 UTC+0000
UTC Start
2025-10-28 01:41:43.007
UTC End
2025-10-28 01:47:03.007
MJD Start
60976.07063665
MJD End
60976.074340353705
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0051295
Ambient temperature (°C)
11.7
Seeing (arcsec)
0.985
Observation
ID
71023
Category
science
Program ID
116.28ZV.004
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
52706
Name
HD_207453
RA
327.679565
DEC
-53.34102
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 90.5070 90.5060 131.3000 132.5000
A0-J2 126.2260 125.8350 111.7000 112.9000
A0-K0 117.9120 117.1640 91.6310 92.7790
G1-J2 51.0140 50.6070 75.2000 76.2000
G1-K0 75.3450 74.8470 41.4990 42.2090
J2-K0 43.3760 43.3690 0.8060 1.5090
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 116.28ZV.004
HIERARCH ESO DPR CATG SCIENCE
HIERARCH ESO DPR TYPE OBJECT,SINGLE
MJD-OBS 60976.07063665
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 207453
HIERARCH ESO INS SOBJ NAME HD_207453
RA 327.679565
DEC -53.34102
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 339.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 32
HIERARCH ESO ISS PBL12 START 90.507
HIERARCH ESO ISS PBL12 END 90.506
HIERARCH ESO ISS PBLA12 START 131.3
HIERARCH ESO ISS PBLA12 END 132.5
HIERARCH ESO ISS PBL13 START 126.226
HIERARCH ESO ISS PBL13 END 125.835
HIERARCH ESO ISS PBLA13 START 111.7
HIERARCH ESO ISS PBLA13 END 112.9
HIERARCH ESO ISS PBL14 START 117.912
HIERARCH ESO ISS PBL14 END 117.164
HIERARCH ESO ISS PBLA14 START 91.631
HIERARCH ESO ISS PBLA14 END 92.779
HIERARCH ESO ISS PBL23 START 51.014
HIERARCH ESO ISS PBL23 END 50.607
HIERARCH ESO ISS PBLA23 START 75.2
HIERARCH ESO ISS PBLA23 END 76.2
HIERARCH ESO ISS PBL24 START 75.345
HIERARCH ESO ISS PBL24 END 74.847
HIERARCH ESO ISS PBLA24 START 41.499
HIERARCH ESO ISS PBLA24 END 42.209
HIERARCH ESO ISS PBL34 START 43.376
HIERARCH ESO ISS PBL34 END 43.369
HIERARCH ESO ISS PBLA34 START 0.806
HIERARCH ESO ISS PBLA34 END 1.509
HIERARCH ESO ISS AMBI TAU0 START 0.00502
HIERARCH ESO ISS AMBI TAU0 END 0.005239
HIERARCH ESO ISS AMBI TEMP 11.7
HIERARCH ESO ISS AMBI FWHM START 0.8
HIERARCH ESO ISS AMBI FWHM END 1.17