Exposure
ID
GRAVI.2025-10-29T01:37:42.142_1
Header ID
GRAVI.2025-10-29T01:37:42.142
Date updated
2025-10-29 01:51:31 UTC+0000
Release date
2026-10-29 01:51:30 UTC+0000
UTC Start
2025-10-29 01:37:42.142
UTC End
2025-10-29 01:43:02.142
MJD Start
60977.06784887
MJD End
60977.0715525737
Exposure time (s)
320.0
Validation level
1
Tau 0: Coherence time (s)
0.008659
Ambient temperature (°C)
13.29
Seeing (arcsec)
0.61
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 126.2310 125.8400 111.7000 112.9000
A0-K0 117.9220 117.1740 91.6180 92.7660
G1-J2 51.0200 50.6120 75.2000 76.2000
G1-K0 75.3520 74.8540 41.4920 42.2020
J2-K0 43.3760 43.3690 0.7990 1.5020
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 60977.06784887
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 126.231
HIERARCH ESO ISS PBL13 END 125.84
HIERARCH ESO ISS PBLA13 START 111.7
HIERARCH ESO ISS PBLA13 END 112.9
HIERARCH ESO ISS PBL14 START 117.922
HIERARCH ESO ISS PBL14 END 117.174
HIERARCH ESO ISS PBLA14 START 91.618
HIERARCH ESO ISS PBLA14 END 92.766
HIERARCH ESO ISS PBL23 START 51.02
HIERARCH ESO ISS PBL23 END 50.612
HIERARCH ESO ISS PBLA23 START 75.2
HIERARCH ESO ISS PBLA23 END 76.2
HIERARCH ESO ISS PBL24 START 75.352
HIERARCH ESO ISS PBL24 END 74.854
HIERARCH ESO ISS PBLA24 START 41.492
HIERARCH ESO ISS PBLA24 END 42.202
HIERARCH ESO ISS PBL34 START 43.376
HIERARCH ESO ISS PBL34 END 43.369
HIERARCH ESO ISS PBLA34 START 0.799
HIERARCH ESO ISS PBLA34 END 1.502
HIERARCH ESO ISS AMBI TAU0 START 0.008673
HIERARCH ESO ISS AMBI TAU0 END 0.008645
HIERARCH ESO ISS AMBI TEMP 13.29
HIERARCH ESO ISS AMBI FWHM START 0.61
HIERARCH ESO ISS AMBI FWHM END 0.61