Exposure
ID
GRAVI.2025-06-23T08:05:20.336_1
Header ID
GRAVI.2025-06-23T08:05:20.336
Date updated
2025-06-23 08:15:41 UTC+0000
Release date
2025-06-23 08:05:20 UTC+0000
UTC Start
2025-06-23 08:05:20.336
UTC End
2025-06-23 08:08:00.336
MJD Start
60849.33704093
MJD End
60849.33889278185
Exposure time (s)
160.0
Validation level
1
Tau 0: Coherence time (s)
0.0037035
Ambient temperature (°C)
9.71
Seeing (arcsec)
0.46499999999999997
Observation
ID
68176
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
50679
Name
HD167576
RA
274.239535
DEC
-27.71652
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 51.7640 51.3160 299.4000 300.0000
K0-D0 70.4140 69.6600 271.8000 272.2000
K0-J3 55.9810 55.9790 358.3280 358.7690
G2-D0 34.2790 34.1040 227.5000 227.6000
G2-J3 53.1610 52.8160 54.8870 54.9710
D0-J3 87.2660 86.7450 51.9830 52.0610
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 60849.33704093
HIERARCH ESO DPR TECH INTERFEROMETRY,DIRECT
HIERARCH ESO OBS TARG NAME HD 167576
HIERARCH ESO INS SOBJ NAME HD167576
RA 274.239535
DEC -27.71652
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 51.764
HIERARCH ESO ISS PBL12 END 51.316
HIERARCH ESO ISS PBLA12 START 299.4
HIERARCH ESO ISS PBLA12 END 300.0
HIERARCH ESO ISS PBL13 START 70.414
HIERARCH ESO ISS PBL13 END 69.66
HIERARCH ESO ISS PBLA13 START 271.8
HIERARCH ESO ISS PBLA13 END 272.2
HIERARCH ESO ISS PBL14 START 55.981
HIERARCH ESO ISS PBL14 END 55.979
HIERARCH ESO ISS PBLA14 START 358.328
HIERARCH ESO ISS PBLA14 END 358.769
HIERARCH ESO ISS PBL23 START 34.279
HIERARCH ESO ISS PBL23 END 34.104
HIERARCH ESO ISS PBLA23 START 227.5
HIERARCH ESO ISS PBLA23 END 227.6
HIERARCH ESO ISS PBL24 START 53.161
HIERARCH ESO ISS PBL24 END 52.816
HIERARCH ESO ISS PBLA24 START 54.887
HIERARCH ESO ISS PBLA24 END 54.971
HIERARCH ESO ISS PBL34 START 87.266
HIERARCH ESO ISS PBL34 END 86.745
HIERARCH ESO ISS PBLA34 START 51.983
HIERARCH ESO ISS PBLA34 END 52.061
HIERARCH ESO ISS AMBI TAU0 START 0.003412
HIERARCH ESO ISS AMBI TAU0 END 0.003995
HIERARCH ESO ISS AMBI TEMP 9.71
HIERARCH ESO ISS AMBI FWHM START 0.46
HIERARCH ESO ISS AMBI FWHM END 0.47