Exposure
ID
GRAVI.2025-10-28T01:54:22.039_1
Header ID
GRAVI.2025-10-28T01:54:22.039
Date updated
2025-10-28 02:11:45 UTC+0000
Release date
2026-10-28 02:11:45 UTC+0000
UTC Start
2025-10-28 01:54:22.039
UTC End
2025-10-28 01:59:42.039
MJD Start
60976.07942175
MJD End
60976.083125453704
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.004528
Ambient temperature (°C)
11.6
Seeing (arcsec)
1.0550000000000002
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 90.4890 90.4640 133.9000 135.0000
A0-J2 125.3250 124.8910 114.4000 115.7000
A0-K0 116.2060 115.4030 94.2060 95.3730
G1-J2 50.0870 49.6520 77.4000 78.5000
G1-K0 74.2130 73.6820 43.0780 43.7780
J2-K0 43.3560 43.3400 2.3760 3.0780
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 60976.07942175
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 90.489
HIERARCH ESO ISS PBL12 END 90.464
HIERARCH ESO ISS PBLA12 START 133.9
HIERARCH ESO ISS PBLA12 END 135.0
HIERARCH ESO ISS PBL13 START 125.325
HIERARCH ESO ISS PBL13 END 124.891
HIERARCH ESO ISS PBLA13 START 114.4
HIERARCH ESO ISS PBLA13 END 115.7
HIERARCH ESO ISS PBL14 START 116.206
HIERARCH ESO ISS PBL14 END 115.403
HIERARCH ESO ISS PBLA14 START 94.206
HIERARCH ESO ISS PBLA14 END 95.373
HIERARCH ESO ISS PBL23 START 50.087
HIERARCH ESO ISS PBL23 END 49.652
HIERARCH ESO ISS PBLA23 START 77.4
HIERARCH ESO ISS PBLA23 END 78.5
HIERARCH ESO ISS PBL24 START 74.213
HIERARCH ESO ISS PBL24 END 73.682
HIERARCH ESO ISS PBLA24 START 43.078
HIERARCH ESO ISS PBLA24 END 43.778
HIERARCH ESO ISS PBL34 START 43.356
HIERARCH ESO ISS PBL34 END 43.34
HIERARCH ESO ISS PBLA34 START 2.376
HIERARCH ESO ISS PBLA34 END 3.078
HIERARCH ESO ISS AMBI TAU0 START 0.003994
HIERARCH ESO ISS AMBI TAU0 END 0.005062
HIERARCH ESO ISS AMBI TEMP 11.6
HIERARCH ESO ISS AMBI FWHM START 1.1
HIERARCH ESO ISS AMBI FWHM END 1.01