Exposure
ID
GRAVI.2025-07-14T07:01:46.502_1
Header ID
GRAVI.2025-07-14T07:01:46.502
Date updated
2025-07-14 07:10:46 UTC+0000
Release date
2025-07-14 07:01:46 UTC+0000
UTC Start
2025-07-14 07:01:46.502
UTC End
2025-07-14 07:04:26.502
MJD Start
60870.29289933
MJD End
60870.29475118186
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.002687
Ambient temperature (°C)
12.98
Seeing (arcsec)
1.31
Observation
ID
68758
Category
calibrator
Program ID
115.282E.001
Program Title
CIRCUMSTELLAR ENVELOPES OF NEARBY CEPHEIDS WITH GRAVITY TO REFINE THE PERIOD-LUMINOSITY RELATION IN THE JWST ERA
Program Type
Normal
PI / COI
HOCDÉ / NARDETTO / GALLENNE / KERVELLA / PIETRZYNSKI / GIEREN / MÉRAND / BRAS / BAILLEUL / LEFTLEY / AFANASIEV
Target
ID
51161
Name
HD167576
RA
274.237024
DEC
-27.71653
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
A0 G1 J2 C1
Projected baselines
Baseline Length start Length end Angle start Angle end
A0-G1 75.8180 75.5520 151.6000 152.4000
A0-J2 92.9910 92.1540 125.2000 126.0000
A0-C1 18.9520 18.8860 151.6500 152.3730
G1-J2 42.0140 41.5740 71.9000 72.0000
G1-C1 56.8650 56.6660 331.6330 332.3570
J2-C1 76.4830 75.7070 298.9160 299.5870
Header: used keywords
Key Value
HIERARCH ESO OBS PROG ID 115.282E.001
HIERARCH ESO DPR CATG CALIB
HIERARCH ESO DPR TYPE STD,SINGLE
MJD-OBS 60870.29289933
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.237024
DEC -27.71653
HIERARCH ESO INS SPEC RES HIGH
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 C1
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 75.818
HIERARCH ESO ISS PBL12 END 75.552
HIERARCH ESO ISS PBLA12 START 151.6
HIERARCH ESO ISS PBLA12 END 152.4
HIERARCH ESO ISS PBL13 START 92.991
HIERARCH ESO ISS PBL13 END 92.154
HIERARCH ESO ISS PBLA13 START 125.2
HIERARCH ESO ISS PBLA13 END 126.0
HIERARCH ESO ISS PBL14 START 18.952
HIERARCH ESO ISS PBL14 END 18.886
HIERARCH ESO ISS PBLA14 START 151.65
HIERARCH ESO ISS PBLA14 END 152.373
HIERARCH ESO ISS PBL23 START 42.014
HIERARCH ESO ISS PBL23 END 41.574
HIERARCH ESO ISS PBLA23 START 71.9
HIERARCH ESO ISS PBLA23 END 72.0
HIERARCH ESO ISS PBL24 START 56.865
HIERARCH ESO ISS PBL24 END 56.666
HIERARCH ESO ISS PBLA24 START 331.633
HIERARCH ESO ISS PBLA24 END 332.357
HIERARCH ESO ISS PBL34 START 76.483
HIERARCH ESO ISS PBL34 END 75.707
HIERARCH ESO ISS PBLA34 START 298.916
HIERARCH ESO ISS PBLA34 END 299.587
HIERARCH ESO ISS AMBI TAU0 START 0.002687
HIERARCH ESO ISS AMBI TAU0 END 0.002687
HIERARCH ESO ISS AMBI TEMP 12.98
HIERARCH ESO ISS AMBI FWHM START 1.31
HIERARCH ESO ISS AMBI FWHM END 1.31