Exposure
ID
GRAVI.2025-08-16T01:11:15.246_1
Header ID
GRAVI.2025-08-16T01:11:15.246
Date updated
2025-08-16 01:20:39 UTC+0000
Release date
2025-08-16 01:11:15 UTC+0000
UTC Start
2025-08-16 01:11:15.246
UTC End
2025-08-16 01:13:55.246
MJD Start
60903.04948201
MJD End
60903.051333861855
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0025044999999999998
Ambient temperature (°C)
9.34
Seeing (arcsec)
0.925
Observation
ID
70028
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
51955
Name
HD167576
RA
274.239533
DEC
-27.71653
Instrument
Interferometer
VLTI
Instrument
GRAVITY
Instrument mode
HIGH-COMBINED
Instrument sub-mode
SINGLE
Stations
K0 G2 D0 J3
Projected baselines
Baseline Length start Length end Angle start Angle end
K0-G2 68.2910 68.3190 270.4000 270.8000
K0-D0 95.9590 95.9740 249.9000 250.2000
K0-J3 56.4400 56.4590 331.8210 332.1320
G2-D0 39.9770 39.9700 213.1000 213.4000
G2-J3 64.5000 64.4910 40.2050 40.5440
D0-J3 104.2860 104.2700 37.4750 37.8120
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 60903.04948201
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.239533
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 K0
HIERARCH ESO ISS CONF STATION2 G2
HIERARCH ESO ISS CONF STATION3 D0
HIERARCH ESO ISS CONF STATION4 J3
EXPTIME 178.0
HIERARCH ESO DET2 SEQ1 DIT 10.0
HIERARCH ESO DET2 NDIT 16
HIERARCH ESO ISS PBL12 START 68.291
HIERARCH ESO ISS PBL12 END 68.319
HIERARCH ESO ISS PBLA12 START 270.4
HIERARCH ESO ISS PBLA12 END 270.8
HIERARCH ESO ISS PBL13 START 95.959
HIERARCH ESO ISS PBL13 END 95.974
HIERARCH ESO ISS PBLA13 START 249.9
HIERARCH ESO ISS PBLA13 END 250.2
HIERARCH ESO ISS PBL14 START 56.44
HIERARCH ESO ISS PBL14 END 56.459
HIERARCH ESO ISS PBLA14 START 331.821
HIERARCH ESO ISS PBLA14 END 332.132
HIERARCH ESO ISS PBL23 START 39.977
HIERARCH ESO ISS PBL23 END 39.97
HIERARCH ESO ISS PBLA23 START 213.1
HIERARCH ESO ISS PBLA23 END 213.4
HIERARCH ESO ISS PBL24 START 64.5
HIERARCH ESO ISS PBL24 END 64.491
HIERARCH ESO ISS PBLA24 START 40.205
HIERARCH ESO ISS PBLA24 END 40.544
HIERARCH ESO ISS PBL34 START 104.286
HIERARCH ESO ISS PBL34 END 104.27
HIERARCH ESO ISS PBLA34 START 37.475
HIERARCH ESO ISS PBLA34 END 37.812
HIERARCH ESO ISS AMBI TAU0 START 0.002532
HIERARCH ESO ISS AMBI TAU0 END 0.002477
HIERARCH ESO ISS AMBI TEMP 9.34
HIERARCH ESO ISS AMBI FWHM START 0.92
HIERARCH ESO ISS AMBI FWHM END 0.93