Exposure
ID
GRAVI.2025-05-26T10:02:22.429_1
Header ID
GRAVI.2025-05-26T10:02:22.429
Date updated
2025-05-26 10:16:28 UTC+0000
Release date
2025-05-26 10:02:22 UTC+0000
UTC Start
2025-05-26 10:02:22.429
UTC End
2025-05-26 10:09:02.429
MJD Start
60821.41831515
MJD End
60821.422944779624
Exposure time (s)
400.0
Validation level
1
Tau 0: Coherence time (s)
0.004935999999999999
Ambient temperature (°C)
10.89
Seeing (arcsec)
0.71
Observation
ID
67594
Category
calibrator
Program ID
115.28G0.003
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
50270
Name
HD_217309
RA
345.152081
DEC
-52.26868
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 82.6090 83.2750 97.8000 99.1000
A0-J2 125.3200 125.8710 75.6000 77.0000
A0-K0 127.8000 127.8910 56.5730 57.9700
G1-J2 57.9770 57.9030 43.0000 44.3000
G1-K0 85.3090 85.1390 16.9160 17.9240
J2-K0 41.8810 42.0390 339.4340 340.2180
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.28G0.003
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60821.41831515
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 217309
HIERARCH ESO INS SOBJ NAME HD_217309
RA 345.152081
DEC -52.26868
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 414.0
HIERARCH ESO DET2 SEQ1 DIT 100.0
HIERARCH ESO DET2 NDIT 4
HIERARCH ESO ISS PBL12 START 82.609
HIERARCH ESO ISS PBL12 END 83.275
HIERARCH ESO ISS PBLA12 START 97.8
HIERARCH ESO ISS PBLA12 END 99.1
HIERARCH ESO ISS PBL13 START 125.32
HIERARCH ESO ISS PBL13 END 125.871
HIERARCH ESO ISS PBLA13 START 75.6
HIERARCH ESO ISS PBLA13 END 77.0
HIERARCH ESO ISS PBL14 START 127.8
HIERARCH ESO ISS PBL14 END 127.891
HIERARCH ESO ISS PBLA14 START 56.573
HIERARCH ESO ISS PBLA14 END 57.97
HIERARCH ESO ISS PBL23 START 57.977
HIERARCH ESO ISS PBL23 END 57.903
HIERARCH ESO ISS PBLA23 START 43.0
HIERARCH ESO ISS PBLA23 END 44.3
HIERARCH ESO ISS PBL24 START 85.309
HIERARCH ESO ISS PBL24 END 85.139
HIERARCH ESO ISS PBLA24 START 16.916
HIERARCH ESO ISS PBLA24 END 17.924
HIERARCH ESO ISS PBL34 START 41.881
HIERARCH ESO ISS PBL34 END 42.039
HIERARCH ESO ISS PBLA34 START 339.434
HIERARCH ESO ISS PBLA34 END 340.218
HIERARCH ESO ISS AMBI TAU0 START 0.005434
HIERARCH ESO ISS AMBI TAU0 END 0.004438
HIERARCH ESO ISS AMBI TEMP 10.89
HIERARCH ESO ISS AMBI FWHM START 0.7
HIERARCH ESO ISS AMBI FWHM END 0.72