Exposure
ID
GRAVI.2025-10-28T02:06:46.070_1
Header ID
GRAVI.2025-10-28T02:06:46.070
Date updated
2025-10-28 02:20:52 UTC+0000
Release date
2026-10-28 02:20:51 UTC+0000
UTC Start
2025-10-28 02:06:46.070
UTC End
2025-10-28 02:12:06.070
MJD Start
60976.08803322
MJD End
60976.09173692371
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.0053775
Ambient temperature (°C)
11.66
Seeing (arcsec)
1.165
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 90.4230 90.3780 136.4000 137.6000
A0-J2 124.3460 123.8750 117.1000 118.4000
A0-K0 114.4080 113.5540 96.7870 97.9770
G1-J2 49.1140 48.6530 79.7000 80.8000
G1-K0 73.0260 72.4640 44.6120 45.3020
J2-K0 43.3160 43.2910 3.9210 4.6220
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 60976.08803322
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 90.423
HIERARCH ESO ISS PBL12 END 90.378
HIERARCH ESO ISS PBLA12 START 136.4
HIERARCH ESO ISS PBLA12 END 137.6
HIERARCH ESO ISS PBL13 START 124.346
HIERARCH ESO ISS PBL13 END 123.875
HIERARCH ESO ISS PBLA13 START 117.1
HIERARCH ESO ISS PBLA13 END 118.4
HIERARCH ESO ISS PBL14 START 114.408
HIERARCH ESO ISS PBL14 END 113.554
HIERARCH ESO ISS PBLA14 START 96.787
HIERARCH ESO ISS PBLA14 END 97.977
HIERARCH ESO ISS PBL23 START 49.114
HIERARCH ESO ISS PBL23 END 48.653
HIERARCH ESO ISS PBLA23 START 79.7
HIERARCH ESO ISS PBLA23 END 80.8
HIERARCH ESO ISS PBL24 START 73.026
HIERARCH ESO ISS PBL24 END 72.464
HIERARCH ESO ISS PBLA24 START 44.612
HIERARCH ESO ISS PBLA24 END 45.302
HIERARCH ESO ISS PBL34 START 43.316
HIERARCH ESO ISS PBL34 END 43.291
HIERARCH ESO ISS PBLA34 START 3.921
HIERARCH ESO ISS PBLA34 END 4.622
HIERARCH ESO ISS AMBI TAU0 START 0.005035
HIERARCH ESO ISS AMBI TAU0 END 0.00572
HIERARCH ESO ISS AMBI TEMP 11.66
HIERARCH ESO ISS AMBI FWHM START 1.25
HIERARCH ESO ISS AMBI FWHM END 1.08